Registration opens on February 10, 2025!
Nyon Triathlon
August 9 & 10, 2025 – 36th edition
Registration Program
Introduction
100% volunteer organization
Since its creation in 1989, the Nyon Triathlon has never stopped evolving. From a small regional event with fewer than 300 athletes, it has now become Switzerland’s biggest triathlon. Run every year by children, amateurs and professionals alike, everyone agrees that this is a magnificent race, both in terms of the courses and the atmosphere.
Registration
Join us at
for the 36th edition!
- Register online in just a few minutes
- Discover the different races
- Become a volunteer and experience the race in a different way




Tailor-made challenges
Discover the races
TRI KIDS & TEAM FAMILLE | For future champions and families | Saturday, August 9 | Distances by age category | link | |
DISCOVERY TRIATHLON | For beginners and first-time triathletes | Saturday August 9 and Sunday August 10 | 250m SWIM – 10.5km BIKE – 2.5km RUN | link | |
SHORT DISTANCE | Racing with friends, family and colleagues | Saturday August 9 and Sunday August 10 | 500m SWIM – 21km BIKE – 5km RUN | link | |
OLYMPIC DISTANCE | The ultimate triathlon distance | Sunday, August 10 | 1.5km SWIM – 42km BIKE – 10km RUN | link | |
NATIONAL LEAGUE | For the Swiss triathlon elite | Saturday, August 9 | 750m SWIM – 21km BIKE – 5km RUN | link | |
YOUTH LEAGUE | For Switzerland’s U16 and U18 triathlon elite | Saturday, August 9 | 500m SWIM – 10.5km BIKE – 2.5km RUN | link | |
DUATHLON | Triathlon without swimming | Saturday, August 9 | 5km RUN – 21km BIKE – 2.5km RUN | link | |
AQUATHLON | Triathlon without a bike | Saturday, August 9 | 500m SWIM – 5km RUN | link | |
TEAM MIXED RELAY | New for 2025: a mixed relay team | Sunday, August 10 | 250m SWIM – 2x3km BIKE – 1.8km RUN (Runner 1,2,3) – per relay | link |

In brief
Useful information
Program
Access
Results
Practical info
Friday, August 8, 2025
5pm-8pm: bib distribution and registration (subject to space availability)
Saturday, August 9, 2025
From 7:30 a.m. to 45 minutes before the category start: registration and distribution of race numbers for all categories.
Between 9:30 and 10 a.m.: Short Distance starts
10:30 am: Start of the Discovery Triathlon
Between 11:45 and 12:50: National League and Youth League departures
From 3pm: Tri Kids starts
Starting at 5:35 p.m.: Family Team starts
Sunday, August 10, 2025
From 6:30 a.m. until 45 minutes before the category start: registration and distribution of race numbers for all categories.
Between 8 a.m. and 9 a.m.:Olympic Distance starts
12:30 pm: start of the Mixed Team Relay (Swiss Championship)
From 2pm: Duathlon andAquathlon starts
Between 2.10pm and 2.25pm: Short Distance starts
2.45pm: Start of the Discovery Triathlon



Live 2025 results and start lists, as well as all rankings, on the partner timekeeper’s website DATASPORT
Weather
At the Nyon Triathlon, the weather is always fine! Don’t forget to bring some refreshments!
Housing
Don’t hesitate to book your accommodation at the Bowling Hotel in advance, and take advantage of our special rates!
Supply
Running out of water? Stop every 2km to rehydrate!
Superheroes
Join our team of volunteers




Sponsors and partners

Léman Running is the place to be for all running, trail and triathlon enthusiasts around Lake Geneva. The Nyon Triathlon is part of the Trophée 2025, a unique championship that enables all enthusiasts to accumulate points as runners or volunteers in 45 races around Lake Geneva. Further information on the Léman Running website.