KAT 100 Miles is the 169km ultra trail at KAT100 by UTMB 2027 (Fieberbrunn, Austria). The race starts on August 5, 2027 at 06:00 PM. It starts in Fieberbrunn. The time limit is 45 h.
Hold a steady pace and save energy for every section.
The course climbs 9000m+. With 53m/km of climbing, this is a true mountain course with sustained climbs and descents. By gradient, 40% of the distance is uphill, 42% downhill and 18% flat. The longest climb runs 12.1km at an average 12.2% grade (1472m of vertical). The longest descent runs 14.5km at an average 9.4% grade (1364m of vertical). The steepest climb averages 37.2% over 0.2km. The steepest descent drops at 33.6% over 0.7km. Surface: 50% trail, 24% smooth, 21% road, and 5% technical.
The highest summit on the course is Wildseeloder (2119m), 10.5km from the start. Other named summits along the route: Schwarzkogel (2030m) and Kitzbüheler Horn (1996m).
Trekking poles are strongly recommended: about 22.0km of the course is steep enough for them to pay off.
Quad damage risk is high (index 77 of 100), with 43% of the load in the first half: 5 critical descents, the last of them run on already damaged legs. Downhill-specific preparation and a controlled early pace pay off here.
This page has a pacing and nutrition planner, a gradient matrix, an interactive elevation profile and historical weather for KAT 100 Miles.
Other distances of KAT100 by UTMB 2027KAT Endurance Trail (75.0km)·KAT Marathon Trail (52.0km)·KAT Speed Trail (24.0km)
Other editions of KAT 100 Miles2026·2025
Official websitekat.utmb.world