Push your limits and join the ultimate team triathlon adventure with the T24, a 24-hour relay series offering four epic, award-winning events across France in 2026. Described by participants as the best sporting experience of their lives, each T24 is not a race but a unique 24-hour team journey where you swim, bike, and run in rotation with your squad, sharing laughs, midnight laps, and unforgettable camaraderie. Choose your dream location: conquer the Mont-Blanc Passy edition on 26-27 September 2026, soak up the coastal vibes of Île de Ré (13-14 June), embrace the Celtic spirit of Breizh (27-28 June), or chase the sun on the French Riviera in Bormes-les-Mimosas (10-11 October). Perfect for friends, corporate teams, and triathlon newcomers, the T24 is about collective achievement, unexpected emotions, and finishing together stronger than you started. Find your team and get ready for an adventure that redefines the triathlon experience.
Races Offered
Mont-Blanc Passy
Sep 26, 2026
straighten
Distance —
Mont-Blanc Passy
terrain
Type —
Multisports
timer
11:00
Mont-Blanc Passy Relais
Sep 26, 2026
straighten
Distance —
Mont-Blanc Passy Relais
terrain
Type —
Multisports
timer
11:00
Weather History
These values represent the 3-year monthly averages for September in Passy.
thermostatTemperature
12.8° / 21.9°
wb_sunnyFeels like
11.6° / 20.8°
light_mode
Avg sunshine hours
9h 16m
water_drop
Avg rainfall
2.9 mm
ac_unit
Avg snowfall
—
air
Avg wind speed
9.4 km/h (Light breeze)
opacity
Sweat loss rate
Moderate
terrain
Course conditions
Firm and slightly soft
sunny
Max UV Index
Moderate (3.5)
humidity_mid
Humidity
76.1%
wb_twilight
Sunrise
07:20
nightlight
Sunset
19:52
About Passy
Learn more about the host city, Passy.
Passy is an area of Paris, France, located in the 16th arrondissement, on the Right Bank. It is adjacent to Auteuil to the southwest, and Chaillot to the northeast.