DÉFI Wind mass start Gruissan
Official Training Partner · 4th Year

TRAIN.
COMPETE.
CONQUER.

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.

DÉFI Kite · May 8–10
DÉFI Wing · May 11–13
DÉFI Wind · May 14–17

Challenge starts in

00
Days
16
Hours
34
Min
30
Sec

Registration open · April 3 – May 3, 2026 · Gruissan, France

3 Steps to Join

How to Get Started

It takes less than 2 minutes to get on the leaderboard.

01

Get 2 months PRO or ULTRA for free

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 Waterspeed
02

Join the challenges and go ride!

Select your discipline below to jump straight to the challenge cards. Hit the water and climb the leaderboard.

03

Win great prizes

🥇

Golden 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.

April 3 – May 3, 2026

Choose Your Challenge

Three sport-specific challenges, one global leaderboard. Pick your discipline — or enter all three and maximise your chances of winning.

DÉFI Wind challenge
DÉFI Wind

Fastest 20km Challenge

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.

April 3 – May 3, 2026
Download Waterspeed first, then tap the link below to join the challenge in the app.
DÉFI Wing challenge
DÉFI Wing

Fastest 20km Challenge

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.

April 3 – May 3, 2026
Download Waterspeed first, then tap the link below to join the challenge in the app.
DÉFI Kite challenge
DÉFI Kite

Fastest 20km Challenge

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).

April 3 – May 3, 2026
Download Waterspeed first, then tap the link below to join the challenge in the app.
📲
Registration Open
Now — March 30, 2026
🏁
Challenge Period
April 3 – May 3, 2026
📍
Event Week
May 8–17 · Gruissan, France
DÉFI Kite Gruissan start
GRUISSAN · MAY 2026
Prizes & Rewards

What's on the Line

We reward both performance and participation. Every session you log counts.

🥇
Leaderboard Leader

Golden Jersey

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.

🎟️
Random Draw

Free Entry Ticket to Next Year's DÉFI (2027)

Every active participant goes into the draw for a free entry ticket to next year's DÉFI (2027). Just participating gives you a shot.

Golden Jersey winners on stage at DÉFI Gruissan
Top Prize

Wear the Golden Jersey
at Race 1

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.

Leaderboard leader at challenge close wins
All Participants

2 Months of ULTRA — Free

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.

Get the App
DÉFI Wing foil fleet
Live at DÉFI Gruissan

Ride with Waterspeed.
Live. Right Here.

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.

📡 Live GPS tracking⚡ Real-time speed👁️ Watch from anywhere📱 No extra hardware
More about this coming soon