Overview
Experience IRONMAN Switzerland: a 3.8 km swim in Lake Thun, a 180 km challenging bike ride through the Swiss Alps, and a 42.2 km run across scenic bridges.
Bridge your limits Experience the ultimate endurance challenge at IRONMAN Switzerland in Thun, set against stunning alpine landscapes and historic bridges. Start with a refreshing swim in the crystal-clear waters of Lake Thun, followed by a challenging, scenic bike ride through the Swiss Alps, where every hill rewards you with breathtaking views. Finish with a run across Thun’s iconic bridges, symbolizing your journey beyond personal limits. This race is more than just a competition—it’s a chance to push yourself and achieve greatness in one of the world’s most beautiful settings.
Race categories
226K
IRONMAN
- Schedule
Friday, 3 July 2026
10:30 - 20:00 · Shuttle Bus / Park and Ride 11:00 · City Tour · Welcome Center, Thun Railway Station 11:00 - 21:00 · IRONMAN Food Village · Lachenwiese 11:00 - 19:00 · IRONMAN Store · KKThun 11:00 - 19:00 · IRONMAN Expo Village · Lachenparkplatz 11:00 - 19:00 · IRONMAN Information Point · Lachenparkplatz 11:00 - 19:00 · Bike Doctor (IRONMAN Expo) · Lachenparkplatz 11:00 - 19:00 · IRONMAN Registration · KKThun 15:30 - 16:30 · Race Talks: Race Preparation with Jari Claes · Finish Area, Lachenwiese 17:00 · ENG Race Briefing: Last race updates and Q&A · Finish Area, LachenwieseSaturday, 4 July 2026
09:30 · Morning Stretching & Mobility Session by Tripl3 · Lido Thun 10:00 · Shuttle Bus / Park and Ride 10:00 - 17:00 · IRONMAN Store · KKThun 10:00 - 17:00 · IRONMAN Registration · KKThun 10:00 - 21:00 · IRONMAN Food Village · Finish Line Area, Lachenwiese 10:00 - 18:00 · IRONMAN Information Point · Lachenparkplatz 10:00 - 18:00 · Bike Doctor (IRONMAN Expo) · Lachenparkplatz 10:00 - 18:00 · IRONMAN Expo Village · Lachenparkplatz 10:00 - 18:00 · Bouncy Castle / Kids Area · Lachenparkplatz 10:30 · DEU Race Briefing: Last race updates and Q&A · Finish Line Area, Lachenwiese 12:00 - 18:30 · Bike Check-In · Transition Zone 13:00 - 17:00 · Hairdresse / Braiding and Styling · Expo Village 14:00 - 14:30 · Race Talks: Swim Course with Jan van Berkel · Finish Line Area, Lachenwiese 15:00 - 15:30 · Race Talks: Bike Course with Daniela Ryf · Finish Line Area, Lachenwiese 16:00 - 16:30 · Race Talks: Run Course with Patrick Jaberg · Finish Line Area, LachenwieseSunday, 5 July 2026 – Race day
04:30 - 01:00 · Shuttle Bus / Park and Ride 05:00 - 06:30 · Transition Open · Transition Zone 05:00 - 09:35 · Bike Doctor · Transition Zone 05:00 - 00:30 · Information Point · Lachenparkplatz 06:00 - 06:25 · Swim Warm-Up · Lido Thun 08:00 - 15:00 · Information Point (Trainstation) · Bahnhofsplatz 06:30 · Start Pro Women · Lido Thun 06:35 - 07:00 · Start IRONMAN Age Grouper · Lido Thun 10:00 - 18:00 · IRONMAN Store · KKThun 10:00 - 18:00 · IRONMAN Expo · Lachenparkplatz 10:00 - 00:00 · IRONMAN Food Village · Lachenwiese 09:00 -18:00 · Fan Corner incl. Kids Area · Lachenparkplatz 09:00 - 17:30 · Bike Hot Spot Turn Around · Gwattstrasse / Lachenparkplatz 14:45 · Finish Line Warm-Up · Finish Area 15:12 · First Finisher · Finish Area 15:30 · Flower Ceremony (places 1 -3) · Finish Area 15:30 - 01:00 · Massage · KKThun 18:00 - 01:00 · Bike Check-Out · Transition 22:00 - 00:00 · Heroes Hour · Finish Line Area, Lachenwiese 23:59 · Official Race EndMonday, 6 July 2026
09:00 - 14:00 · Shuttle Bus / Park and Ride 09:00 - 13:00 · Information Point · Lachenparkplatz 10:00 - 13:00 · IRONMAN Pop-up Store · Finish Line Area, Lachenwiese 10:00 - 11:00 · Award Ceremony - Swiss Championship · Finish Line Area, Lachenwiese 11:00 - 12:00 · Award Ceremony - IRONMAN including Slot Allocation for the IRONMAN World Championship · Finish Line Area, Lachenwiese- Route
Swim
Lake
Bike
Hilly
Run
Flat
Typical race-day conditions
Air 12–27 °C · Water 17 °CSwim course
The swim leg of the IRONMAN Switzerland Thun features a swim in the prestine waters of Lake Thun. It offers a refreshing start to the race, setting the stage for the challenging and scenic journey ahead.Bike course
The 180.2 km bike course winds through the Swiss Alps, offering a challenging ride with steep climbs and breathtaking panoramic views. It combines rugged terrain with spectacular scenery, making it both demanding and rewarding.Run course
The 42.2 km SALOMON run course takes athletes across Thun’s picturesque bridges and through the town’s charming streets. This scenic route blends urban landmarks with serene waterways, offering a visually captivating and inspiring finish to the race.- Cutoff times
Swim: 2h20
Swim + T1 + Bike: 10h30 Intermediate cut-offs: 13:30 - at turning point / start of 2nd lap (Thun) 14:45 - in Belp, Schlopstand 16:15 - in Plötsch, bus stop 17:25 - in Hani (opposite personal needs station) Swim + T1 + Bike + T2 + Run: 17h00 Intermediate cut-offs: 22:00 - at the start of the 3rd lap of the run course (next to transition after run out)
Update history
9 Oct 2026
Sold out: false → true
3 Oct 2026
Time changed: 4 July at 0:00 → 4 July at 4:00
IRONMAN Switzerland Thun
Sun, 4 Jul 2027