Train for OSJ Ontake
Japan, July. 100 km on 75% trail. +137 ft of climbing. 20 hours cutoff.
62 mi+137 ft-130 ft20 hours23 ft to 36 fttech 5/10Checkpoints per race bookWSER qualifierJuly
- Start23 ft
- High36 ft
- Low23 ft
- Finish30 ft
What PR Run builds for this start line
- Personalized plan from your baseline and this course profile
- Aid-segment fuel rehearsals tied to checkpoint spacing
- Structured gear kit from course intelligence
- Race-day pacing, crew notes, and race-morning brief
- Aid stations: 6 · longest gap ~20 km
- Mandatory kit items: 2
- Cutoff: 20 hours
The crux
Humid climbs, ridge exposure, and aid gaps in remote terrain (near mile 40)
Race details can change. Confirm current rules and logistics with the Official site.
Train for your race
Train for OSJ Ontake
Course-specific plan, fuel segments, gear kit, and race morning for OSJ Ontake.
Official siteCheck readinessPredict finish timeFull race guideFoot care plan