Confirmed event facts · Sourced

Niantic
Confirmed

All the facts Niantic has officially published — dates, hours, bosses, mechanics, ticket bundles. Sourced from pokemongo.com, Leek Duck, and Pokémon GO Hub as of 2026-05-20.

01 Dates & hours

Event Schedule

Event days
Friday June 5 — Sunday June 7, 2026
Citywide gameplay extension
Thursday June 4 (via City Explorer pass or Citywide add-on)
Park venue
Grant Park, Chicago · Hutchinson Field is the staging area within Grant Park where the in-park session is held
Morning park session
9:00 AM – 1:00 PM CDT
Afternoon park session (yours)
2:00 PM – 6:00 PM CDT
City Experience hours
9:00 AM – 6:00 PM CDT ⚠ source disagreement
Niantic's pokemongo.com page lists "9-6," LeekDuck lists "10 a.m.–8 p.m. (hours vary by ticket)." Operative park sessions (9-1 morning / 2-6 afternoon) unaffected. Re-verify in-game Thu Jun 4.
Citywide bonus window
00:01 – 23:59 local time on ticketed days
Event format
"Open footprint" · no perimeter fencing · Grant Park remains accessible to public (but in-park event features are scan-gated)
Community Ambassador meet-ups
Niantic-hosted citywide meet-ups Thu Jun 4 – Sun Jun 7 across the city (Wrigleyville, Museum Campus, The Loop, McKinley Park, Chinatown, Horner Park, Navy Pier, Lincoln Park, River North, more) — these line up with the raid loops, so they flag when each area peaks. Full schedule + RSVP: Niantic's official meet-ups page.
02 Raid bosses

The Boss List

Citywide rotation (all event days)

TierBossNotes
3★Paldean Tauros (Blaze Breed)SHINY (ticket boost) available, not a debut
5★MewtwoRemote invites work · base form catch
5★Zapdos
5★Raikou
PrimalPrimal KyogreRare · do not skip
PrimalPrimal GroudonRare · do not skip

Park-session only (Saturday afternoon)

TierBossNotes
5★ ShadowShadow ZapdosNo remote invites
5★ ShadowShadow RaikouNo remote invites
5★ ShadowShadow KyogreNo remote invites
5★ ShadowShadow GroudonNo remote invites
★ Super Mega RaidMega Mewtwo XFinal 30 min of session · 1,000-trainer gym
★ Super Mega RaidMega Mewtwo YFinal 30 min of session · 1,000-trainer gym
03 Featured Pokémon

Wild Spawns & Debuts

Per the official Niantic infographic, three buckets exist for ticket holders: (a) the explicit "Available in the wild" grid (citywide for ticket holders + in-park), (b) featured event Pokémon whose location mechanics Niantic hasn't clarified, and (c) genuine in-park-only exclusives. Plan accordingly: park-session minutes should target (c) only.

In the wild (citywide for ticket holders, all event days)

Explicit "Available in the wild" grid per the Chicago infographic. Grindable Thu/Fri/Sat-outside-park/Sun — no park-session priority.

Featured — location mechanics unclear

Listed as event Pokémon on the infographic but not placed inside the "Available in the wild" grid. Could be wild spawn, could be special encounter — Niantic uses generic "may encounter" language. Don't bank park-session time on these.

Special debuts

Zeraora
Pokémon GO debut was GO Fest Tokyo (May 29) — not Chicago. You still get the encounter via Saturday park-session Special Research (story unfolds in Grant Park). First-completion only — subsequent GO Fest events give Zeraora candy.
Shiny Paldean Tauros (Blaze)
Boosted shiny rate for ticket holders. Citywide all event days.
Wash Rotom shiny debut
Per infographic "New shiny!" callout. Lucky encounter.

⚡ The real park-session exclusives (these are the only things you can't get citywide)

  • Zeraora Special Research — opens at 2:00 PM, must be inside the park to start
  • 4 Shadow legendaries (Zapdos, Raikou, Kyogre, Groudon) — Shadow Raids in Team GO Rocket Hideout zone, NO remote invites, requires physical bodies in lobbies
  • Super Mega Raid (Mega Mewtwo X & Y) — 5:30–6:00 PM, with the location background variant only available here

Anything else you can grind Thursday/Friday/Sunday citywide. Saturday park minutes spent on the wild-spawn list are minutes stolen from the only exclusives you'll ever get.

04 Ticket bonuses

What Your Bundle Does

Base afternoon park ticket

Add-ons in your order

Add-onWhat it does
Raid LoverDoubles daily free raid passes from spinning · 9 → 18 / day · +6 Catch Candy on every 5★ and Mega Raid catch (huge XL-candy farm for post-event Mewtwo power-ups)
Egg-thusiast1/4 hatch distance · 3× XP, 3× Candy, 3× Stardust on hatches · active every day
Citywide Gameplay × 3Thursday, Friday, Sunday citywide bonuses (Saturday auto-included)
Premier AccessExpedited park entry · Premier Lounge (charging, restrooms, seating) · Pokémon Center skip-the-line · does NOT extend session hours
T-shirt 3XLPick up at park entry
PinDistributed at entry or Pokémon Center pop-up

Egg pre-hatch protocol

From the ILCA community guide: hatch all eggs before park day, then don't spin stops until your incubators are loaded with event eggs. Egg-thusiast multiplies returns 3× per hatch — never let a slot sit idle.

05 Park interior structure

The Park Zones

Per the official Niantic venue map, the event footprint has three primary zones running north to south. (Niantic labels the wild-spawn core around Buckingham Fountain as the "Conservatory Zone" within Cultivation; the distinction is map-cosmetic and doesn't change routing — treated as one zone here.) Hourly Timed Research changes based on which zone you're standing in. Priorities below are recalibrated against the true scarcity — park-session-only content vs citywide-grindable content.

ZoneThemePark-session priority
Recruitment Zone (N)Raids + PvP · Team Leaders showcase · entry point at NW corner (Monroe + Columbus)Medium — start here at 2 PM for Zeraora SR + standard raids
Cultivation Zone (mid, incl. Conservatory core around Buckingham)Event eggs + Field Research + wild-spawn variety · costume Pokémon visible here · Super Mega Raid gyms staged here at 5:30 PMMedium — Egg-thusiast slot fills · SMR staging at 5:25 · skip costume-spawn chasing (also citywide for ticket holders)
Team GO Rocket Hideout (S, past Balbo)Shadow raids · 4 Shadow legendaries spawn hereHighest — only place these 4 raids exist, no remote invites

Realistic park-session allocation (4 hr total, last 30 min lost to SMR staging → 3.5 hr usable): Zeraora SR opening → as many of the 4 Shadow legendary raids as physical lobbies can support → reposition for the 5:30 PM Super Mega Raid. If something has to give, drop Shadow Zapdos last (weakest attacker of the four; Shadow Kyogre and Shadow Groudon are top-tier meta keepers).

Narrative framing: Niantic published the in-park storyline — Trainers battle Team GO Rocket Leader Sierra and complete Shadow Raids to "reclaim Pokémon GO Fest for Spark and Team Instinct." Expect Sierra battle quests in/around the Rocket Hideout zone in addition to the Shadow legendary raids. Sierra battles typically reward a Shadow Pokémon catch — may feed bonus encounters during the 3:00-4:15 PM window.

06 Companion events

Overlapping in Chicago

🦴 Pokémon Fossil Museum at the Field Museum

Exhibit run
May 22, 2026 – April 11, 2027
Where
Field Museum, 1400 S DuSable Lake Shore Dr · south of restricted zone, ~25 min walk from Palmer
Daily museum hours
9:00 AM – 5:00 PM CDT · last entry 4:00 PM
Thu Jun 4 · 6–10 PM
Collection Quest · 21+ only
Sat Jun 6 · 6:30–10:30 AM
Early Morning Fossil Museum access · pre-park-session window
Sun Jun 7 · 6:30–10:30 AM
Early Morning Fossil Museum access
🎟️ Mon Jun 8 · 12:15 PM
Pokémon Fossil Museum · ~$20 timed-entry add-on · your ticket · paired with Field Museum General Admission at 9 AM (~$30)

⛏️ Pokémon GO content at the museum (active during museum hours, all run-of-exhibit)

Per Niantic's official page, the Field Museum activates a Pokémon GO gameplay layer whenever you're inside the museum area during open hours. Available to anyone (no special ticket needed beyond museum admission):

  • Excavator Pikachu (cowboy hat + pickaxe costume) via Timed Research and Field Research · shiny-eligible · debut
  • In-person raids — "at no cost": Excavator Pikachu raids AND Mega Aerodactyl raids · both shiny-eligible · "At no cost" in Niantic-speak = no premium pass required, but the raid still consumes a Daily Raid Pass or Premium from inventory. Plan for ~1-2 passes per raid you join.
  • Fossil Pokémon spawn in the wild near the museum (Aerodactyl, Tirtouga, Cradily, Bastiodon family + others)
  • Snapshot surprise — take a few snapshots for a bonus (likely costume photobomb)
  • Collection Challenges active

Important catch: "This content will replace all other Pokémon GO gameplay and bonuses, and similar bonuses will not stack." → Pause your Lucky Egg and Star Piece before entering the museum. Resume them when you exit. (Monday isn't a citywide-ticket day anyway, so the only loss is anything you have personally running.)

Mega Aerodactyl counters: Aerodactyl is Rock/Flying — weak to Ice, Electric, Water, Steel, Rock. Your Shadow Tyranitar (Smack Down + Stone Edge) is a solid Rock-type. Other top picks: Mega Diancie, Black Kyurem (Ice Fang + Glaciate), Mega Manectric (if you have one) for Electric/Rock dual coverage.

Monday pass economics reality check: Mon Jun 8 is not a citywide-ticketed day, so the Raid Lover 18/day doubler does NOT apply. You get 1 free Daily Raid Pass from spinning a gym + whatever Premium passes you have in inventory (400+ stockpile). Plenty for several Mega Aerodactyl runs.

🎷 Chicago Blues Festival

Dates
June 4–7 · exact overlap with GO Fest weekend
Location
Millennium Park (201 E Randolph St) · 2-min walk from Palmer · same area as Cloud Gate cluster
Impact
Bigger crowds in Millennium Park = more raid lobby fills · more lured stops · easier dinner options without leaving the area

🧠 Free Pokémon Trivia Nights · Thursday warm-up

When
Thursday June 4 (the day you land) · evening, two venues running concurrently
Replay Lincoln Park
2833 N Sheffield Ave · 7:00 PM · sits inside your Lincoln Park Zoo raid loop area
D'Agostino's Pizza & Pub Wrigleyville
1351 W Addison St · 7:30 PM · literally next door to Wrigley Field
Cost
Free · run by Whaddayaknow? Free Pub Trivia
Fit
You arrive at Palmer ~1 PM Thursday with the whole evening open. Either is a soft launch into the trip with the local community. Pair Replay with the LPZ-area raid evening, or D'Agostino's if you want to scout the Wrigley walkup for Sunday's Cubs game.

🕹️ Logan Arcade · Pokémon-pinball wind-down

Where
2410 W Fullerton Ave (Logan Square) · ~15 min Uber from Palmer · 25 min CTA Blue Line + walk
What
Bar with 40+ vintage video games and dozens of pinball machines — including a Pokémon pinball machine
Hours
Typically open evenings into late night (verify on loganarcade.com closer to the date)
Fit
Year-round, no event tie-in — open any night of your trip. Good wind-down option after a grindy day, or a Thursday-night warm-up alternative to the trivia bars. Logan Square is also near the Logan Square audited raid loop (score 93.8) — bonus raids on the way in.

🎧 Beyond Wonderland Chicago 🎟️ 2-day VIP · attendance TBD

Beyond Wonderland rave pin animation on the Chicago map 🎬 Map pin preview ↗ — animated rave-pin marking the Northerly Island venue (click for full size)

Status
🎟️ 2-day VIP pass purchased — attendance TBD. Either or both days are open; decision lives in the moment based on energy, weather, and how the GO Fest grind is going. VIP perks (dedicated entry, viewing platforms, lounges, restrooms) mean even a short attendance window is comfortable.
Dates
Jun 6 (Sat) and Jun 7 (Sun) · 2-day EDM festival, 3rd annual
Location
Huntington Bank Pavilion at Northerly Island · 1300 S Linn White Dr · lakefront, just south of Museum Campus · ~2.5 mi from Palmer · ~30 min walk or 12 min Uber
Hours
1:00 PM–11:00 PM both days (official) · 18+ event · music ends 11 PM — there is no midnight slot
Headliners
Tiësto · Zedd · DJ Snake · Excision · Alan Walker · San Holo · Loud Luxury · Acraze · Adventure Club · ~60 artists across 4 stages
Sat decision
Park session 2–6 PM (lakefront, same area), Lou Malnati's 6:45 PM. Plausible BW window: ~9–11 PM Sat after pizza (~2 hrs; music ends 11 PM). Uber from 439 N Wells → Northerly Island ~15 min, $12-15.
Sun decision
Sunday BW is OFF the table. The Cubs game is now 8:30 PM first pitch (national NBC/Peacock primetime) and won't end until ~11:30 PM–midnight — after BW closes at 11 PM. No feasible Sunday window; if you do BW, it's Saturday.
Both days?
Not realistic — Sunday is out (Cubs game runs past BW's 11 PM close). BW is effectively a Saturday-only decision: ~9–11 PM after Lou Malnati's, trading against your richest citywide-bonus night.
Decision trigger
Thursday/Friday energy check — if GO Fest grind is going strong (≥150 raids through Fri), prioritize the Saturday slot. If pace is slipping by Friday, drop BW entirely and rest.
Saturday opportunity cost
Saturday citywide bonuses run 12:01 AM – 11:59 PM (Niantic published hours), so BW Sat 9–11 PM isn't trading against sleep — it's trading against ~2 hours of your richest-day citywide bonus raiding (the only day you have park ticket + auto-included citywide). Sharpens the BW-Saturday call: skip unless you're already deep in surplus by Saturday 8 PM.
Pass
Already purchased via chicago.beyondwonderland.com · 2-day VIP. No further booking needed.
07 Open questions

Still Unconfirmed

Last reviewed: 2026-05-29. Tokyo park experience ran TODAY — live observations rewrite the SMR mechanic and confirm energy drop. See "Status changes" callout below.

🛡️ CORRECTION — the park raid IS a shielded Super Mega Raid (Unity Raid)

An earlier entry treated the Tokyo "Unity Raid" as a separate, shield-free format from the "true Super Mega Raid." That was wrong. Niantic's own Tokyo materials confirm the park Mega Mewtwo raid is a Super Mega Raid — called a Unity Raid — and it has shields. What's genuinely new is the Unity Attack finisher.

PropertyPark Mega Mewtwo Unity Raid (Tokyo / Chicago)
ShieldsYES — Mega Mewtwo starts with ~10; broken only by Charged Attacks from a Mega-evolved Pokémon, one per trainer
Active MegaNeeded to break a shield — keep Mega Gengar evolved (also gives the +30% Ghost boost)
FinisherUnity Attack — phone raised overhead with the crowd at low boss HP
GymDesignated, assigned by email in advance — no free choice on the day
Energy~450 per completion (post-Tokyo reports; Niantic says "a large amount")

Chicago implication: Mega Gengar is essential — you need an active Mega to break your shield AND for the +30% Ghost boost. Plan for the Unity Attack (phone overhead; mind the cooler clip). The earlier "no flee / auto-revive" details are community-reported and unconfirmed. Sources: Niantic Tokyo SMR update, PoGO Hub Tokyo park.

✓ Status changes (latest, May 29)

  • 🆕 ENERGY DROPS AT THE UNITY RAID — ~450 Mewtwo Mega Energy per completion (post-Tokyo live reports; Niantic only says "a large amount"). X energy for X raid, Y energy for Y raid. This CONTRADICTS our earlier reading that energy starts at Global. Chicago payoff: if both X and Y run in the final 30 min and you complete both = ~900 energy from the park, plus the catch (Mega Level 1, sometimes 2/3). The 35-day Chicago→Global gap is no longer a desert.
  • 🆕 Designated gyms are PER-TRAINER RANDOM (GetNews Japan report). Even friends in the same group are assigned to different gyms. Plan to split from the Utah crew at 5:25 PM. Tokyo emails went out 3 days before park (May 26 for May 29). Expect Chicago emails ~Jun 3-4.
  • 🆕 Tokyo catches arrive at Mega Level 1 (or L2/L3 lucky variants), carrying the GO Fest location background. In-person catches know both Counter + Psystrike ("Psychic Break" was a mis-name — the move is Psystrike; the X→Counter / Y→Psystrike split is Global-only).
  • 🆕 Tokyo District Time Challenge structure (template for Chicago): each district has specific challenges — Adventure: 5km walk + 2 routes · Field Work: 10 field research + send 30 gifts · Friendship: 10 buddy hearts + 6 trades · Collection: 25 species + 15 Poké Ball catches. Complete any 2 → Expert Time Challenge → choose Mega Mewtwo X OR Y at L1.
  • 🆕 Background-spawn rate ~20% at Tokyo wild catches. Bag-management heads up — many transfers required.
  • 🆕 Carrier reinforcement at venue: mobile base stations + Starlink-backed Wi-Fi (Tokyo precedent). Cellular at Chicago park should be acceptable.
  • ↩️ Premier Access voucher deadline correction: NOT June 3. Voucher codes expire Dec 31, 2026 at 23:59 UTC. No urgency to redeem before the event.
    • 🗺️ CHICAGO FOUR CITY DISTRICTS REVEALED (official Niantic map ↗):
      • Investigations (pink, north) — Rogers Park / Edgewater / Lincoln Square / Lincoln Park / Near North Side. Anchors: NEWCITY (1457 N Halsted St) · Lincoln Park Zoo West Gate (2400 N Cannon Dr).
      • Scouting (yellow, NW + west) — Portage Park / West Town (Wicker Park) / O'Hare Airport zone. No specific anchors marked on map.
      • Friendship (green, south) — Bridgeport / Chinatown / Hyde Park / South Shore / Midway Airport. Anchors: Field Museum (1400 S DuSable Lake Shore Dr) · Rate Field (333 W 35th St, White Sox stadium).
      • Collection (purple) — The entire LOOP community area, not just Grant Park. Bounded by Chicago River (N, W), Roosevelt Rd (S), Lake Michigan (E). Includes Palmer House, Cloud Gate, Millennium Park, Theater District, all downtown skyscrapers. Park-session entries: S Columbus + E Balbo or E Jackson.
    • 🎯 Your itinerary covers ALL FOUR districts naturally — and Collection is FREE because Palmer House is inside it:
      • Thu Jun 4 — From the moment you step out of Palmer House = Collection ✓ (Palmer House is in the Loop = Collection); Lincoln Park Zoo raid loop = Investigations ✓
      • Sat Jun 6 — Grant Park park session = Collection ✓ (already covered from Day 1)
      • Sun Jun 7 — Wrigleyville Cubs game = Investigations ✓
      • Mon Jun 8 — Field Museum visit = Friendship ✓; departure via O'Hare = Scouting ✓ (incidental, on the way out)
      Implication: the Pokémon GO Expert medal needs only 2 districts (and 2 also unlocks the Mega Mewtwo encounter), so it's trivially achievable on Day 1 — e.g. Palmer (Collection) + Lincoln Park Zoo (Investigations). Hitting all four (add West Loop / Scouting + Bridgeport / Friendship) is optional bonus medals; the 4-district loop is walkable if you want it.
    • 🎟 Pikachu raid with Rate Field special background tied to the Friendship district anchor — confirmed via Chicago Pokémon community. Consider raiding Rate Field while you're at the Field Museum on Monday (~3 mi south).
    • 🥚 EGG POOL CONFIRMED (Tokyo, announced) — see Roster. 5km: Squirtle, Caterpie (Poké Ball hat), Lapras, Anorith, Wash Rotom (★shiny debut), Larvesta. 10km: Beldum, Sandile, Larvesta, Mudbray, Comfey (⚠ shiny-LOCKED), Sinistea (shiny available). No 2km/7km event eggs. Larvesta in both pools — prioritize.
    • ⏳ Tokyo PARK has not started — premise check. Park experience is May 29 – Jun 1; first SMR ever is evening of May 29 JST (≈ Fri May 29 morning ET). Everything about SMR below is still ANNOUNCED/DATAMINED, not observed. Re-check May 29 evening JST for first real data.
    • ⚡ Energy-drop lean (still unconfirmed): Tokyo/Chicago SMR descriptions list only catch + Mega Level 1 unlock + background — no Mega Energy reward listed. LeekDuck's Global page ties energy collection to "Starting during [Global, Jul 11-12]." Strong implication: in-person SMR = catch only, NO energy drop; energy farming begins at Global. Needs live confirmation May 29.
    • Shiny Shadow Groudon "shundo" caught May 26 in Tokyo citywide 5★ raids — confirms shiny Shadow Legendaries are live citywide (~1-in-43,000).
    • Tokyo CITYWIDE play live since May 25, 00:00 JST — runs through Jun 1. Mewtwo in citywide 5★ raids (regular, not Mega), Comfey + habitat-rotated spawns active. Live preview of Chicago citywide mechanics.
    • SMR window VERIFIED at final 30 min only (May 25). Niantic's exact wording: "For the last thirty minutes of the Park Experience, new Gyms will appear that allow over one thousand Trainers to take on Mega Mewtwo together!" Chicago = 5:30-6:00 PM CDT, already in the schedule. Source.
    • Normal Mega Raids in park session NOT confirmed (May 25). Niantic has not published any regular Mega Raid lineup for the park experience outside the SMR window. Community assumption that "the rest is normal Mega raids" is untested. Plan: evolve Mega Gengar on park entry from stockpiled energy, don't depend on in-park Mega Raids to top up.
    • SMR entry prerequisite: must already have a Mega evolved (May 25). Per PokemonGoHub, Super Megas have shields, recommend 7+ well-equipped trainers, and gate entry on already-evolved Mega. Your existing plan (Mega Gengar evolved before SMR) was already correct — this just makes it explicit.
    • Mega Mewtwo stats leaked (May 24) — Mega Mewtwo X: 339/215/228, max CP 6,910. Mega Mewtwo Y: 413/223/228, max CP 7,267 (highest-CP Mega in the game). Community datamine via GamingHQ; not Niantic-published.
    • Mega Mewtwo X and Y energy pools are SEPARATE resources (May 24). Officially split, like Charizard X/Y after their split. You cannot share energy between X and Y. First Mega-Evolution: 7,500 energy each = 15,000 total to first-evolve both. 50,000 cap per form. 100 energy per walking candy. Plan two separate grinds if you want both Megas at L3.
    • Branching X/Y research CONFIRMED (May 24) for Tokyo/Chicago/Copenhagen. You pick X or Y (chosen form gets Mega Level 1 pre-unlocked). Global event Jul 11-12 is where everyone gets both — so if you only get one form at Chicago, you'll grab the other in July.
    • Falinks SMR Day (May 23) did NOT use designated-gym pre-assignment per community signal. That mechanic appears reserved for Tokyo/Chicago/Copenhagen park experiences. The email-assignment hypothesis is therefore still untested in the wild until Tokyo (May 29).
    • ↩️ Caterpie costume reverted to Poké Ball Hat — yesterday's "unique new icon" datamine was a missed asset that Pokemod Group corrected today. Original assumption stands.
    • Pokémon Fossil Museum at Field Museum: opened May 22, 2026, runs through April 11, 2027. Excavator Pikachu, Mega Aerodactyl, fossil spawns + themed Timed Research are all live now. Monday Jun 8 plan unchanged (other days are GO Fest days).
    • 100 Thieves x GO Fest capsule drops May 30. Hat/shirt/hoodie in Mega Mewtwo X & Y versions. Sold at the 100 Thieves NEWCITY boutique and the Grant Park Pop-Up (May 30 – Jun 7). Hoodie includes in-game avatar item voucher.
    • Verizon partnership: COLD. No 2026 GO Fest sponsorship found. 100 Thieves is the actual 2026 sponsor. Verizon dropped from Open Questions watchlist.
    • Mega Evolution power-leveling confirmed: you can spend Mega Energy directly to level a Mega, cost decreases with prior Megas of that species. Useful for prepping Mega Aerodactyl + Mega Mewtwo before Sat 5:30 PM.
    • Tokyo park session: final 30 min is the SMR window (~7:30-8:00 PM JST per Tokyo Waterfront City hours = roughly Fri May 29 morning ET). Watch socials then for the first observed designated-gym SMR. Tokyo email leaks expected ~May 26-28.
    • Spark's Caretaking Quest Jun 2 – Jun 8 (official, covers your Chicago window). Spark = Instinct = aligns with confirmed Bulbasaur Team Instinct hat costume narrative.

🚨 KEY — Unity Raid mechanic (Tokyo-observed May 29; was originally announced as "Super Mega Raid")

Per Niantic's Tokyo SMR update: at the 5:30 PM Super Mega Raid window, trainers cannot freely choose any nearby gym. Instead, ticket holders are assigned designated gyms communicated in advance via email. This is the opposite of the original "watch the map for new gyms at 5:30 PM" model.

Tokyo-specific in Niantic's published wording, but extremely likely to apply to Chicago too (logistics for 1,000-trainer raids don't work without managed assignment). Watch your inbox for a Niantic email to ticket holders in the week before June 6.

Bonus upgrade: Niantic also confirmed SMR catches can be at Mega Level 1, 2, OR 3 (was previously announced as L1 only). More Mega Energy from the catch.

WhatWhy it mattersExpected reveal
Habitat rotation schedule (per zone, per hour)Affects which 60-min window in which zone maximizes shiny-target spawns. Tokyo confirmed gameplay-feature zones (not traditional habitats) — Chicago may follow suit.Possibly never published in old "rotation" form
Your Chicago SMR designated-gym assignmentPer the new Tokyo precedent, you'll be assigned a specific gym for the 5:30 PM raid — not free choice. Where to be standing at 5:25 PM Saturday depends entirely on this email.Niantic email to ticket holders, ~late May / early June (based on Tokyo timing)
Citywide Mewtwo movesetIn-person event catches all get Counter + Psystrike. Citywide regular-Mewtwo raid moveset is the usual random pool — may differ.Sample in-game starting Thu Jun 4
Sierra battle specificsStoryline confirmed: Sierra is in-park antagonist. Whether Sierra battles drop a specific Shadow Pokémon reward is TBD.Confirmed at park entry Sat 2:00 PM
Does the in-person SMR drop Mewtwo Mega Energy?RESOLVED (post-Tokyo): YES. The in-person Unity Raid drops ~450 Mega Energy per completion — you can farm energy at Chicago, no need to wait for Global.Resolved May 29–30

Things to manually re-verify the morning of Thursday Jun 4: District names · habitat schedule for Saturday · any last-minute add-on offers in the shop. Egg pool now confirmed (see Roster).

✓ Confirmed by official Niantic venue map

Event footprint
Grant Park strip east of S Columbus Dr, west of Lake Shore Dr · north edge: E Monroe St · south extent: peninsula past E Balbo Dr toward Roosevelt
Three zones (N→S)
Recruitment Zone (yellow, Monroe→Jackson) · Cultivation Zone (blue, Jackson→Balbo) including the Conservatory sub-area around Buckingham Fountain · Team GO Rocket Hideout (red, south of Balbo).
Maggie Daley Park
Outside the footprint (north of Monroe St) — public-accessible all 5 days · same goes for Millennium Park, Cloud Gate, Pritzker Pavilion
Entry point
NW corner: Monroe St + S Columbus Dr — feeds into Recruitment Zone (Zeraora SR opens here)
Rideshare pickup
SW corner of Team GO Rocket Hideout (Balbo + Columbus) — Uber straight to Lou Malnati's at 6 PM if skipping the 25-min walk
Amenities inside
Trainer Belonging Base (Mobility Charging) · PokéStop Powerbanks · Hydration Stations · First Aid · Premier Access Lounge · Pokémon Center Merchandise · Pikachu & Eevee Meet & Greet · Battle Ground · Food Trucks

Sources