2025 “The Third” Dunkerbeck GPS Speed Challenge

The final sprint with hopefully strong autumn storms in the north and solid summer conditions in the southern hemisphere like Namibia, South Africa or Australia.

FINN – FOIL – WING

Join the ultimate windsurfing adventure and determine the overall champion!

The Dunkerbeck GPS Speed Challenge 2025 is the grand finale of a three-part global speed sailing series. Windsurfers worldwide are invited to clock their fastest speeds and compete for the title of overall series champion.

• Windsurf anywhere in the world
• Record your fastest sessions
• Upload them to GPS-Speedsurfing.com to race against the global community

This third and final event will decide not only the fastest riders of this round, but also the overall series champions of 2025. The ranking is based on the highest average speed over 250 meters, measured via GPS.

Sessions from the Lüderitz Canal are excluded from the ranking.

Series Overview

The Dunkerbeck Speed Challenge Virtual Global Tour runs in three periods:

• 01.04. – 31.05.25 · Period 1: Gran Canaria Dunkerbeck Speed Challenge
• 01.07. – 31.08.25 · Period 2: Summer Edition
• 01.10. – 30.11.25 · Period 3: The Third

Rankings are published on:

• gps-speedsurfing.com
• gps-foilsurfing.com
• gps-wingfoiling.com

The overall series champion will be crowned based on the combined results of all three periods. Even if you missed the first two, you can still make your mark in this final round.

Categories (250m Average Speed)

• OPEN
• FEMALE
• Grand Master (51–60)
• Super Master (61–70)
• Ultimate Master (71–99)
• Youth (0–10)
• Junior (11–14)
• Junior Plus (15–18)

A category is only valid if at least 3 participants compete. Otherwise, results are counted in the Open Ranking.

Notice of Race (NoR) – 2025

1. Event Overview

• Event period: October 1 – November 30, 2025
• Format: highest 250m average speed using GPS
• Results must be uploaded to GPS-Speedsurfing.com by 23:59 UTC on November 30, 2025

2. Eligibility and Entry

• Open worldwide, all skill levels
• Registration via GPS-Speedsurfing.com
• Only approved GPS devices/apps accepted

3. Registration & Participation

• Register as a user on www.gps-speedsurfing.com (GP3S).
• Sign up for the event Gran Canaria Dunkerbeck Speed Challenge.
• By creating an account on GP3S, all participants agree to the terms and conditions, allowing DSC to share session data for rankings and send event-related information.
• Upload your session to be included in the ranking. DSC reserves the right to determine participation eligibility.

4. Series Championship

• Overall winners decided by combined results of all three events in 2025
• Tie-breaker: fastest single speed in any event

5. Results Submission

• Competitors are responsible for correct data upload
• Late submissions will not be considered

6. Liability

• Participation at own risk
• Organizers, sponsors and partners assume no liability for injuries, accidents or damages
• Participants are responsible for fitness, safety and equipment

7. Disqualification

• Manipulated/fake GPS data leads to immediate disqualification
• Organizers reserve the right to verify results

8. Amendments

• Organizers may adjust rules to ensure fairness and safety

By registering, competitors accept these rules and confirm responsibility for their own safety.

List of approved GPS devices: HERE

Every registered windsurf spot worldwide is valid. Switch on your GPS, hit the water, and go as fast as you can.

Sponsors & Partners 2025

The Third Dunkerbeck Speed Challenge is made possible thanks to the support of:

Organization

Organized by Björn Dunkerbeck / E11 Bjorn Dunkerbeck SLU
Contact: event@dunkerbeck.com