The Qatar T100 Triathlon runs from 10 to 12 December 2026 in Lusail, Doha, Qatar. It is organized by PTO Commercial Ltd as part of the T100 Triathlon World Tour, with the Qatar Triathlon Federation as national federation partner. The organizer's page says the 2025 edition sold out.
Thursday 10 December has the Kick Off Runs over 5km and 1km. On Friday 11 December the Sprint Triathlon (750m swim, 20km bike, 5km run) takes place along with the women's pro T100 World Championship Final. Saturday 12 December has the 100km Triathlon (2km swim, 80km bike, 18km run), the T100 Age-Group World Championship over the same distances, and the men's pro final. The 100km and Sprint events both have a relay option.
The swim is 2km in the Arabian Gulf, the bike is flat through Lusail's streets, and the run is flat through Lusail Plaza and Boulevard. The start is at Lusail Ferry Dock. The Age-Group World Championship starts at 06:45, and the expo and race pack collection are at Lusail Plaza.
