
The official Waterspeed × DÉFI training challenge is live. Four weeks of competition across Wingfoil, Windsurf, and Kitesurf — with prizes, leaderboards, and a free ULTRA subscription.
Challenge starts in
Registration open · April 3 – May 3, 2026 · Gruissan, France
It takes less than 2 minutes to get on the leaderboard.
Download the Waterspeed app via the link below. As a DÉFI participant you unlock 2 months of PRO or ULTRA completely free — no credit card needed.
Download WaterspeedGolden Jersey
Top the leaderboard and wear it at the start of DÉFI Kite Race 1.
Free Entry Ticket — Next Year's DÉFI (2027)
Every active participant enters the draw for a free entry ticket to next year's DÉFI.
Three sport-specific challenges, one global leaderboard. Pick your discipline — or enter all three and maximise your chances of winning.

The world's biggest windsurf gathering. Log your sessions, hit 20 knots, and earn your spot on the leaderboard before the fleet arrives in Gruissan.

Fly above the water and push your wingfoil speed. Compete on the global leaderboard and earn the Golden Jersey at the start of Race 1.

One of the world's most important kite events. Log distance, hit speed milestones, and compete for the Golden Jersey and a free entry ticket to next year's DÉFI (2027).

We reward both performance and participation. Every session you log counts.
Top the leaderboard and you'll be awarded the Golden Jersey at the start of DÉFI Kite Race 1 — a badge of honour in front of the entire fleet.
Every active participant goes into the draw for a free entry ticket to next year's DÉFI (2027). Just participating gives you a shot.

Top the leaderboard before the fleet arrives in Gruissan and you'll be awarded the iconic Waterspeed Leader jersey at the start of DÉFI Kite Race 1 — in front of hundreds of riders and the entire crowd. A badge of honour that only one rider per discipline can earn.
Every DÉFI community member gets 2 months of Waterspeed ULTRA access completely free to train before, during, and after the event. Use your promo code in the app to activate.

Bring a cellular-connected device on the water during DÉFI Gruissan and Waterspeed will livestream your session — speed, GPS track, and position — so your friends and family can follow every gybe, every gust, and every personal best in real time.