Tunnel 100K is a 91.0 km ultra trail of Amazean Jungle Trail by UTMB 2026 in Betong, India. The race starts on April 30, 2026. The course climbs 4074 m+ and descends 4084 m−, between a low point of 268 m and a high point of 1165 m. By gradient, 41% of the distance is uphill, 34% downhill and 26% flat. The longest climb runs 3.4 km at an average 16.4% grade (561 m of vertical). The longest descent runs 3.2 km at 17.1% (542 m of vertical). Surface: 23% road and 11% smooth. Flat-equivalent effort: 123.8 FlatKM.
101 finishers completed the 2026 edition. Men's winner: Peiquan You (China) in 10:43:27. Women's winner: Hua Rong Fu (China) in 13:18:17.
This page has the full results and splits, interactive elevation profile, gradient matrix, pacing and nutrition planner and weather climatology for Tunnel 100K.
Other distances of Amazean Jungle Trail by UTMB 2026Betong 100M (116 km)·Jungle 50K (55.0 km)·Mist 20K (26.0 km)·Flower 20K (17.0 km)
Other editions of Tunnel 100K2025
Official websiteamazeanjungletrail.utmb.world
