A 13.5km lap with 96m of climbing, rideable free in your browser right now.
Monsoon Cycles, Colorado Springs · Updated August 16, 2026
Thirteen and a half kilometers at dusk on the shape of the most famous endurance road course in France, public-road straights and all. Bring lights, metaphorically. Ride it right now, free, in your browser, on a smart trainer, a dumb trainer with a speed sensor, or just your arrow keys.
RIDE LE YAWNS| Lap length | Climbing per lap | Elevation span | Shape source |
|---|---|---|---|
| 13.5 km | 96 m | 38 m | the real mapped centerline of France's legendary endurance circuit |
Every course carries a Prime Line sprint segment and, where the road climbs enough, a Summit Prime. Ride through the gold coin at a segment start for a powerup. Course records live on the in-game leaderboard, and reversed-direction laps keep their own boards.
Yes. The whole of Gumwall Grand Prix is free, in the browser, with no download and no subscription. Sign in only if you want leaderboards, chat, and ride logging.
No. A smart trainer gives you gradient resistance, but a basic trainer plus a Bluetooth speed sensor works with estimated power, and demo mode needs nothing but a keyboard.
The centerline shape and elevations come from real open map data, so the corners and grades are where they are in life. The world around it, and the name, are ours: this page is the real mapped centerline of France's legendary endurance circuit, with no affiliation to or endorsement by any venue.