Experience the technical beauty of the Vexin Regional Park at **Nesles la Foulée on Sunday, March 22, 2026**. Set in the forested hills of Nesles-la-Vallée, this authentic Val-d'Oise trail event offers a progression of challenges for runners of all levels. The 22km Semi Mara'trail delivers 360 metres of rolling ascent through wooded singletrack, while the 12.5km and 6.5km courses provide accessible introductions with 155m and 82m of gain respectively. A timed 12.5km Nordic walk runs concurrently, and young runners can enjoy the 1.5km Sprint Jeunes or a free 300m animation.
Start lines and bib collection are based at the Stade de Basket on Allée René Florentin. Registration flows through the Nordsport Chronometrage portal, with all competitive participants requiring a valid Pass Prévention Santé or athletics licence. The courses demand respect—technical, playful, and unapologetically rooted in the Vexin's ancient paths. Bring your own cup; aid stations are cup‑free. Join the Foulée on March 22.
Mar 22, 2026
Distance — 22K
Type — Running
09:30
€15.00
Mar 22, 2026
Distance — 12.5K
Type — Running
09:45
€12.00
Mar 22, 2026
Distance — 6.5K
Type — Running
09:45
€10.00
Mar 22, 2026
Distance — 12.5K
Type — Running
09:45
€8.00
Mar 22, 2026
Distance — 1.5K
Type — Running
10:15
€5.00
These values represent the 3-year monthly averages for March in Nesles-la-Vallée.
Learn more about the host city, Nesles-la-Vallée.
Nesles-la-Vallée is a commune in the Val-d'Oise department in Île-de-France in northern France.
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