| Bgcolour: | lightblue |
| Date: | October (Annually) |
| Location: | Kochi Japan |
| Type: | ultramarathon |
| Distance: | 100km & 60km |
| Sponsor: | Shimanto, Kōchi (city) |
| Homepage: | http://www.shimanto-ultra.jp |
The River Shimanto Ultramarathon, also referred to as Shimantogawa Ultra Marathon (四万十川ウルトラマラソン), is a 100 km and 60 km ultramarathon foot road race event held annually in October in Kochi, Japan since 1995.[1] [2] [3] It is an official 100 km and 60 km event endorsed by JAAF.[4] [5] Its 1998 event was held as IAU 100 km World Championship.[6] [7] Time limit for the 100 km race is 14 hours, and that for the 60 km race is 9 hours and 30 minutes.[8]
2013
2,000 participants were accepted out of 6,267 entries over all. In 100 km race, 1,091 runners finished out of 1,466 starters.[9] [10]
Men : Yoshikazu Hara (原 良和) 6:48:43 / Ladies : Tomoko Hara (原 朋子) 8:04:38 [11]
2012
2,000 participants were accepted out of 4,859 entries over all. In 100 km race, 1,072 runners finished out of 1,475 starters.[3]
Men : Yoshikazu Hara (原 良和) 6:45:45 / Ladies : Tomoko Hara (原 朋子) 8:08:50[11]
2011
Men : Yoshikazu Hara (原 良和) 6:45:45 / Ladies : Mikie Sakane (坂根 充紀栄) 8:07:16[11]