Shimanto River Ultramarathon — ENTRY ROUTE

Entries are first come, first served through RUNNET and close once the field is full.

The 100 km requires an 11-digit JAAF ID.

Entries are first come, first served through RUNNET.

There is a separate entry route through hometown-tax donations that waives 50% or 100% of the entry fee (for the 100 km, 50% for a donation of ¥44,000 or more, 100% for ¥88,000 or more).

JTB West Japan and Tobu Top Tours sell dedicated accommodation tours for the 100 km and 60 km.

ultra100

100 km starts at 5:30 (opening ceremony 5:00);

60 km starts at 9:30 (opening ceremony 9:00)

100 km: 14 hours (cutoff 19:30 for the 5:30 start)

100 km: 36.6 km 5 h 25 min, 56.5 km 8 h 24 min, 61.8 km 9 h 06 min, 71.3 km 10 h 10 min, 79.5 km 11 h 12 min, 86.9 km 12 h 18 min, 93.9 km 13 h 16 min, 100 km 14 h 00 min (measured from the start gun)

Shimanto Citizens' Sports Center (bib pickup venue)

The day before the race, 11:00–18:00 (2026 edition)

The official materials list no separate expo, only the bib pickup venue and the pre-race party