You’re one of the heroes pushing your limits in the 300km gravel challenge.
On this page, you’ll find all the information you need to prepare for the Flatlands300, as well as everything about the event itself and some discounts. As we get closer to the date, this page will be updated with the latest details.
MY FLATLANDS
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Important downloads
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​Below, you can download everything you need for proper preparation. If something is not yet available, it will indicate when you can expect it.
U-Sport
Because you’re part of the Flatlands madness, you’ll receive three U-Sport gels and bars at registration to kick off your 300KM adventure.
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We know you’ve been putting in the training hours. You might want to fuel and take care of yourself properly. That’s where U-Sport comes in. Here’s what they’ve lined up for you:
✅ Nutrition
✅ Medical Care
✅ Technical Care
✅ Personal Care
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Use the code:
FLAT20
and enjoy 20% off the entire range.
Fondo
On Monday, March 24, the official Flatlands 300 training plan kicks off. As a participant, you get free access to an effective and flexible FONDO training schedule (Note: Fondo is a Dutch-language app).
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Use the following code at knwufondo.nl
FLATLANDS
(valid until June 30, 2025)