TRAILUTMB World Series
Lake Biwa 100
Ōtsu, JapanUltraCompetitive169km169 kmD+ 10,500 m
In 10 days
Mountainous
At a glance
Lake Biwa 100 2026 takes place on 30 October 2026 in Ōtsu, Japan. Distances: 169 km.
- Date
- Friday, 30 October 2026
- Location
- Ōtsu, Japan
- Distances
- 169 km · Competitive
- ITRA points
- 6
- Official website
- lakebiwa100.com ↗
- Series
- UTMB World Series
- Status
- To be confirmed
Last updated: 19 October 2026
Rules and requirements
CertificationsITRA