Berlin Triathlon – Capital City Triathlon
20th Capital City Triathlon in Treptower Park for all distances
About Berlin Triathlon
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20 Years of Capital City Triathlon
The Berlin Triathlon celebrates its 20th anniversary in 2026. What began in 2007 as a compact format for the Berlin triathlon scene has become a mass sporting event today: over 1700 registered participants, five distances, two competition days. The venue has been Treptower Park in the Alt-Treptow district (Treptow-Köpenick borough) for years – with the swimming course on the Spree around the Insel der Jugend, the cycling course through the Plänterwald, and the running course along the Spree banks.
Five Distances for All Skill Levels
The Berlin Triathlon is deliberately broad: from a 400-meter swim for fitness enthusiasts to the middle distance with 1.9 km swimming, 88 km cycling, and 19 km running for ambitious triathletes. In between are the sprint distance (750m/22km/4.5km), Olympic distance (1.5km/36km/9km), and the children's triathlon, which sells out months in advance. The latter is an indicator: the Berlin Triathlon is increasingly seen as a family event.
The Course: Spree, Plänterwald, Insel der Jugend
The swimming course takes place in the Spree around the Insel der Jugend – a historic island park between Treptower Park and Plänterwald. The cycling course leads through Plänterwald, a forest park with quiet roads, making the competitions run smoothly despite the city center location. The running course along the Spree banks is flat and fast. This combination makes the Berlin Triathlon a fast triathlon – personal bests are possible.
Spectator Event with Picnic Atmosphere
Unlike many other triathlons held in cordoned-off industrial areas, the Berlin Triathlon invites spectators. The Insel der Jugend, Treptower Park, and the bridges over the Spree are explicitly open as viewing points. Families and companions sit on picnic blankets on the bank, applaud at the transition zone, and fill the course with atmosphere. The DTU start pass is only required for individual starts in the Olympic and middle distances – relays and shorter distances can be entered with a day license.
Berlin Triathlon — edition 2026
The anniversary year continues the established format. Swimming in the Spree around the Insel der Jugend, cycling through the Plänterwald, running along the Spree banks. The children's triathlon was already fully booked at the time of research – an indicator of the family character the event has gained over the years.
Spectating is possible free of charge everywhere along the course. The transition zone, the bridges to the Insel der Jugend, and the Spree bank near Plänterwald offer the best viewing points. Companions can settle in for a picnic atmosphere over the weekend – the Treptower Park is large enough not to mix the flow of athletes and spectators.
Programme Berlin Triathlon 2026
Friday, June 5th, 2026 — Collection of Starting Documents
- 3:00 PM–7:00 PM — Collection of starting documents for all competitions
Saturday, June 6th, 2026 — Short Distances and Children's Triathlon
- 10:00 AM–4:00 PM — Collection of starting documents (Sunday competitions only)
- From 3:00 PM — Children's Triathlon (100 m swim, 2.5 km bike, 400 m run) — fully booked
- Fitness Distance (400 m / approx. 14 km / 2.8 km)
- Sprint Distance (750 m / approx. 21.7 km / 4.5 km)
Sunday, June 7th, 2026 — Long Distances
- From 8:30 AM
- Olympic Distance (1.5 km / approx. 36.45 km / 9.3 km) — DTU start pass or day license
- Middle Distance (1.9 km / approx. 88 km / 19 km) — DTU start pass or day license
Course
- Swimming — Spree around the Insel der Jugend
- Cycling — through the Plänterwald (closed roads)
- Running — Spree bank near Treptower Park
Complete competition information and registration at berlin-triathlon.de.
Highlights Berlin Triathlon 2026
Prices Berlin Triathlon 2026
Practical information — Berlin Triathlon
Getting There
S-Bahn lines S8/S9/S41/S42/S46/S85 to S Treptower Park, then a five-minute walk to Insel der Jugend. Bus 165 or 265. Ideal by bike – Treptower Park has numerous access routes. Severely restricted by car: many roads around the park are closed on competition day.
Registration and License
Register via berlin-triathlon.de. For individual starts in the Olympic and middle distances: DTU start pass or day license required. For relays and shorter distances, registration is sufficient. Starting documents can be collected on Friday (3–7 PM) and Saturday (10 AM–4 PM for Sunday competitions).
Watching
Freely accessible along the entire course. Best viewing points: the bridges to Insel der Jugend (swim-transition), the transition zone in Treptower Park, the Spree bank near Plänterwald (running course).
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Travel to this festival
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Where it takes place Berlin Triathlon
Treptower Park / Insel der Jugend
Bulgarische Straße / Insel der Jugend, Treptower Park, 12435 Berlin