Train for OSJ Ontake
Japan, July. 100 mi on 75% trail. +155 ft of climbing. 24 hours cutoff.
100 mi+155 ft-152 ft24 hours23 ft to 35 fttech 5/10Checkpoints per race bookWSER qualifierJuly
- Start23 ft
- High35 ft
- Low23 ft
- Finish26 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 ~32.2 km
- Mandatory kit items: 2
- Cutoff: 24 hours
The crux
Humid climbs, ridge exposure, and aid gaps in remote terrain (near mile 65)
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