KAT100 by UTMB

KAT100 by UTMB is a UTMB World Series trail running festival held in the Pillerseetal region of the Kitzbühel Alps centred on Fieberbrunn. The event header and race pages list a race weekend from 06–08 August 2026 offering multiple distances for a broad range of runners, with long ultra options and shorter, beginner‑friendly formats. The official pages describe alpine ridge routes, substantial elevation profiles, and a programme of on‑site activities such as an expo, briefings and award ceremonies.

The race weekend (KAT100 by UTMB) showcases high‑mountain terrain and panoramic ridgelines with distances reported from about 8 km up to the 173 km KAT100 Miles, and large cumulative elevation gains on the longer distances. The event is presented as part of the UTMB World Series and includes live tracking, aid stations and participant services; full, race‑specific schedules and detailed start times are published on the individual race pages and the official registration/runner guides.