# Berlin — Google I/O Connect + GDE Europe Summit 2026

**Dates:** Wed 24 Jun – Fri 26 Jun 2026
**Traveler:** Fabian Krumbholz (1 person, BC25)
**Trip ID:** `trip-2026-06-24-berlin`
**Briefings:** [index.html](./index.html) · [trip.kml](./trip.kml) (Google My Maps import)

| | |
|---|---|
| Train (DB) | ICE 1508 + ICE 605, ref 596518364222, €75.48 |
| Hotel | Numa Berlin Checkpoint Charlie, ref #6546771600, prepaid via WorkTrips |
| Event | I/O Connect (Thu) + GDE Summit (Fri); Happy Hour kickoff Wed |
| Total program cost | €0 (all sponsored by Google GDE travel program) |

---

## Events

### Wed 24 Jun 18:00 — Community Happy Hour
- **Venue:** Holzmarkt 25, Holzmarktstr. 25, 10243 Berlin-Friedrichshain
- **Maps:** https://maps.app.goo.gl/L5Mj5tJ9hY9GqZbq6
- **Note:** Riverside grounds. Pampa, Katerschmaus, Kater Blau on-site. Bring a jacket — drops to ~16°C after sunset.

### Thu 25 Jun 08:30 — Google I/O Connect Berlin
- **Venue:** Wilhelm Studios, Kopenhagener Str. 60–72, 13407 Berlin-Reinickendorf (Wilhelmsruh)
- **Site:** https://www.wilhelmstudios.de/
- **Bring:** Laptop, charger, badge (digital), notepad. ID for entry.

### Fri 26 Jun 08:30–16:00 — GDE Europe Summit
- **Venue:** Google Berlin, Tucholskystr. 2, 10117 Berlin-Mitte (Gropius-Ensemble, on the Spree)
- **Note:** Bringing **luggage to event** (hotel checkout 11:00, train 18:29). Confirm storage with GDE organizer in advance — backup is Berlin Hbf Gepäckcenter (~€6/day).

---

## Train

### Outbound — Wed 24 Jun
- **ICE 1508** — München Hbf 12:21 (Gleis 19) → Berlin Hbf 16:22 (Gleis 5)
- **Seat:** Wagen 21, Pl. 56, **Ruhebereich** (no calls)
- Reservation #804220209501

### Return — Fri 26 Jun
- **ICE 605** — Berlin Hbf 18:29 (Gleis 3) → München Hbf 23:10 (Gleis 18)
- **Seat:** Wagen 1, Pl. 34, **Handybereich** (calls OK)
- Reservation #804220209502

**Order:** 596518364222 · Class 2 · BC25 · €75.48 · 2nd-class super-saver, no cancellation, train-bound (Zugbindung).

---

## Hotel

**Numa Berlin Checkpoint Charlie**
- 31 Friedrichstraße, 10117 Berlin-Mitte (4★ apart-hotel)
- Studio room, breakfast included, Wi-Fi, parking, gym
- Check-in: **Wed 24 Jun 15:00** · Check-out: **Fri 26 Jun 11:00**
- Booking ref: **#6546771600**
- Agent (24/7): agent@worktrips.com · +48 609 009 386
- **No reception desk on-site** for Numa apart-hotels — check in via app/email instructions; have ID + credit card ready for incidentals/city tax.

---

## Ground Transfers

### Munich Hbf — outbound (Wed 24 Jun)
- Walk Methfesselstr. 2 → U1 Mangfallplatz → Marienplatz → S1/S2/U-walk to Hbf, ~25 min.
- Or: U1 → Hauptbahnhof (no change). Either works.
- **Target arrival Hbf:** 11:55 (25-min buffer for ICE 1508 at 12:21).

### Berlin Hbf → Numa — Wed 24 Jun (~16:30)
| Option | Cost | Time | When |
|---|---|---|---|
| **S1/S2 (S-Bahn) → S+U Friedrichstraße** + 8 min walk | €4.00 (single AB) | ~20 min | **Default** |
| Walk only | €0 | ~25 min | If weather is nice + minimal luggage |
| Bolt/Uber | ~€10–14 | ~10 min | If raining or rushed |

Decision: **S-Bahn**. Walk under 15 min only with cabin bag in dry weather; rideshare adds <10 min savings — not worth €10 over a single ticket.

### Numa → Holzmarkt 25 — Wed 24 Jun (17:30)
- 8 min walk to S+U Friedrichstr. → S5/S7 (Stadtbahn) → 1 stop to **Jannowitzbrücke** → 5 min walk along the Spree.
- Door-to-door **~22 min**. Buy 24-Stunden-Karte AB (€11.20) covers all of Wed PM + Thu AM.

### Numa → Wilhelm Studios — Thu 25 Jun (07:30)
- Walk 8 min to S+U Friedrichstr. → **S1 direction Oranienburg/Wittenau** → 10 stops to **S Wilhelmsruh** → 3 min walk.
- Door-to-door **~38 min**. Trains every 10 min in peak.
- **Leave Numa by 07:30** for 08:30 start.
- Buy second 24h-Karte AB Thu morning (covers Thu return + Fri to Hbf).

### Numa → Google Berlin — Fri 26 Jun (08:00)
- **Walk** 12 min straight north up Friedrichstr. → right on Tucholskystr. No transit.
- With luggage. Bring umbrella if rain.

### Google Berlin → Berlin Hbf — Fri 26 Jun (~17:30)
- Walk 8 min to S+U Friedrichstr. → S5/S7 westbound → **1 stop** to Berlin Hbf. ~18 min total with luggage.
- **Target Hbf 17:50** → 10 min for food at FOODFACTORY Cube or Dean & David → board ICE 605 by 18:20.

### BVG fares (verified 2026)
- Einzelfahrschein AB: **€4.00**
- Kurzstrecke (≤3 stops U/S, ≤6 bus/tram): €2.80
- **24-Stunden-Karte AB: €11.20** ← buy via BVG Tickets app

---

## Restaurants

| When | Pick | Why | Reserve |
|---|---|---|---|
| **Wed dinner** | **Katerschmaus** (Holzmarktstr. 25, on-site) | Modern German, riverside, zero transit after Happy Hour | [opentable.com/r/katerschmaus-berlin](https://www.opentable.com/r/katerschmaus-berlin) |
| **Thu dinner — splurge** | **Nobelhart & Schmutzig** (Friedrichstr. 218, 8 min walk from Numa) | 1★ Michelin, "brutally local" tasting menu | [reservation page](https://nobelhartundschmutzig.com/en/reservation/) — book ASAP |
| **Thu dinner — bistro** | **Lokal** (Linienstr. 160, Mitte) | Chef-driven new German, the sweet spot. ~15 min from hotel | [lokal-berlinmitte.de](https://www.lokal-berlinmitte.de/) |
| **Thu dinner — easy** | **Schwarzwaldstuben** (Tucholskystr. 48) | Modern Black-Forest inn, 2 doors from Friday's office, low commitment | walk-in usually OK |

Backups: **Standard - Serious Pizza** (Templiner Str. 7), **Mädchenitaliener** (Alte Schönhauser 12).

**Skip / closed:** Mrs Robinson's (hiatus since 2023), Mogg (closed Dec 2023), Kanaan (verify by phone).

**Coffee for Thu morning (need to leave 07:30):** Hotel breakfast first; THE BARN Checkpoint Charlie (Friedrichstr. 215) opens 8:00 — too late. Einstein Friedrichstr. 206 opens ~7:00 if you need a real coffee before Hbf.

**Friday lunch:** Provided at Google office.

**Train-ride food (Fri 17:50–18:20):** FOODFACTORY Cube Berlin (across from Hbf) > Dean & David (inside Hbf) > REWE To Go (basement). Avoid Hbf McDonald's/BK lines.

---

## Holiday awareness

- **24–26 Jun 2026:** No federal, Berlin, or Bavarian public holidays. ✅
- **Berlin Pride Month** officially starts 26 Jun (rainbow flags up, no parade — CSD parade is 25 Jul).
- **Fête de la Musique** was 21 Jun (already past).
- **FIH Pro League hockey** in Berlin 23–28 Jun — citywide hotel demand is up but no transit impact.

---

## TripIt / external

**TripIt forward:** ✅ Drafted in Gmail (subject `Fwd: Berlin Trip 24-26 Jun 2026 (ICE 1508 / ICE 605)`, draft ID `r-2358418773601689384`). **Hit Send when ready** — `plans@tripit.com` will auto-create the trip and attach DB + hotel as plans.

**Calendar events** ✅ created on personal primary (`fabian.krumbholz@gmail.com`):

| | Event | When | Link |
|---|---|---|---|
| 🚆 | ICE 1508 MUC → BER | Wed 12:21–16:22 | [open](https://www.google.com/calendar/event?eid=cnFjcTRuNHVqaGF0NTBlYW10dHM0aXM0bmcgZmFiaWFuLmtydW1iaG9sekBt) |
| 🏨 | Numa Berlin (all-day) | Wed 24 → Fri 26 | [open](https://www.google.com/calendar/event?eid=bzFiajFyNmtsYm40YWRkOWp1YzJnaDBrcTQgZmFiaWFuLmtydW1iaG9sekBt) |
| 🍻 | Community Happy Hour @ Holzmarkt 25 | Wed 18:00–22:00 | [open](https://www.google.com/calendar/event?eid=bDh0ZGs2YTU4aDVtbzNrYTgyc2dkYW5pMTAgZmFiaWFuLmtydW1iaG9sekBt) |
| 🎤 | Google I/O Connect @ Wilhelm Studios | Thu 08:30–17:30 | [open](https://www.google.com/calendar/event?eid=b2Y2cDBudmJzbnJmODU1cmplOWZqYzY2OW8gZmFiaWFuLmtydW1iaG9sekBt) |
| 🎤 | GDE Summit @ Google Berlin | Fri 08:30–16:00 | [open](https://www.google.com/calendar/event?eid=Y3VhNmZnM2V2YTM3aHBwa3Eyc21ncGpjbDQgZmFiaWFuLmtydW1iaG9sekBt) |
| 🚆 | ICE 605 BER → MUC | Fri 18:29–23:10 | [open](https://www.google.com/calendar/event?eid=bmp1a2lxOXJjOHNsN2V0N2JkazMwOWF0NWsgZmFiaWFuLmtydW1iaG9sekBt) |

Reminders configured: 24h + 2h on outbound train, 2h + 30min on return train, 1h on each event. Trip ID `trip-2026-06-24-berlin` and per-item IDs noted in each event description for future idempotent updates.

**OLCI:** N/A — train trip, no online check-in.

---

## Open items

- [ ] **Confirm luggage storage at Google Berlin office for Fri** — email GDE Summit organizer before Fri 19 Jun. Backup: Berlin Hbf Gepäckcenter, ~€6/day.
- [ ] **Reserve Katerschmaus** for Wed ~20:30 (post Happy Hour) — book by Sun 14 Jun at the latest.
- [ ] **Decide Thu dinner pick + reserve** — Nobelhart needs weeks ahead; Lokal/Schwarzwaldstuben more forgiving. Decide by Fri 12 Jun.
- [ ] **Buy BVG 24-Stunden-Karte AB** in BVG Tickets app on arrival Wed (€11.20).
- [ ] **Check ICE 605 platform** in DB Navigator app on Fri 26 Jun morning — track usually upper Stadtbahn level (Gleis 11–14, **subject to change**).
- [ ] **Pack umbrella + light sweater** — Berlin late-June can hit 16°C at night with 40% rain probability per day.