Lake Saroma Ultramarathon
| Lake Saroma Ultramarathon | |
|---|---|
| Date | June |
| Location | 3 Towns of Yubetsu, Saroma and Tokoro, Hokkaido Prefecture, Japan |
| Event type | Road running |
| Distance | 100 km/50 km |
| Established | 1987 |
| Official site | http://saromanblue.jp |
The Lake Saroma Ultramarathon is an annual 100 km and 50 km Ultramarathon foot road race held in June in the northeastern shore of Hokkaido, Japan since 1987. It is an IAU-labeled official 100 km and 50 km race, and an official JAAF race, and an AIMS (Association of International Marathons)-certified course. Its 1994 event was Asia's first IAU (International Association of Ultrarunners) 100 km World Championship, and its 20th event in 2005 was also held as the IAU 100 km Road World Championship.