The Trail du Ninglinspo is an inaugural mountain-style running event scheduled for Sunday, May 3, 2026, in Aywaille, Belgium. This race distinguishes itself as one of the most demanding trail events in the country, specifically designed for athletes preparing for high-altitude alpine races. Centered around the valley of the Ninglinspo—Belgium's only designated mountain torrent—the event emphasizes technical difficulty and a high vertical-gain-to-distance ratio.
| Race Distance | Elevation Gain (D+) | Vertical Ratio |
|---|---|---|
| 10 km | 700 m | 70m D+ / km |
| 17 km | 1,350 m | ~79m D+ / km |
| 35 km | 2,700 m | Double loop of the 17km |
The geography of the course is defined by the steep, rocky terrain of the Ardennes. The route follows the cascading Ninglinspo stream, navigating a landscape of waterfalls, quartzite rock formations, and narrow single-track paths. With an average ratio of roughly 75 meters of elevation gain per kilometer, the course provides a rare "vertical" experience within the Belgian landscape. In early May, the Liège province typically sees spring conditions with average highs of 15°C (59°F), though the deep, shaded valleys of the Ninglinspo can remain significantly cooler and damper, affecting trail traction on the technical sections.
Logistically, the event is headquartered at Sedoz 13 in Aywaille, with activities spanning from 9:00 AM to 8:00 PM. The organizers provide a high level of participant comfort, including on-site showers, sanitary facilities, and a dedicated recovery area featuring local specialty beers and high-quality catering. This event serves a specific niche in the European trail running calendar; while Belgium is not an alpine nation, its technical "Ardennes" trails are frequently used by elite runners to build the specific leg strength required for events like the UTMB or Skyrunning World Series. For inquiries, the race direction can be reached via [email protected] or by telephone at +32 493/65.40.54.
May 03, 2026
Distance — 35K
Type — Running
10:00
€30.00
May 03, 2026
Distance — 10K
Type — Running
10:15
€10.00
May 03, 2026
Distance — 17K
Type — Running
10:30
€15.00
These values represent the 3-year monthly averages for May in Aywaille.
Learn more about the host city, Aywaille.
Aywaille is a municipality of Wallonia located in the province of Liège, Belgium.
Read more launchWatch highlights and course previews from previous years.
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