TRAIL64K42K22KUTMB World Series
K3 Ultra Gold Border Race
Zlatograd, BulgariaChoose the distanceTap a distance: the course, fees, times and rules below update for that race.
Mountainous
At a glance
K3 Ultra Gold Border Race 2027 takes place in september 2027 (exact day to be confirmed) in Zlatograd, Bulgaria. Distances: 83 km, 64 km, 42 km, 22 km, 12.1 km.
- Date
- September 2027 · Date to be confirmed
- Location
- Zlatograd, Bulgaria
- Distances
- GBR85 · Competitive
- GBR63 · Competitive
- GBR 43 · Competitive
- GBR23 · Competitive
- GBR13 · Competitive
- Official website
- k3ultra.bg ↗
- Series
- UTMB World Series
- Status
- To be confirmed
Last updated: 19 October 2026