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Race planning
Plan Chiang Mai Thailand by UTMB
Use the listed edition as your starting point. Each tool keeps imported race facts separate from the targets and assumptions you choose.
- Listed edition
- Dec 4, 2026 – Dec 6, 2026
- Format
- Fixed-Distance
- Distance
- 173 km
- Local start time
- 10:00 AM Friday at Wat Tham Chiang Dao
- Duration / cutoff
- 48 hours (finish by 10:00 AM Sunday). Time barriers: A3 Pagia Highland Research Station (km 32.8) 7:00 PM Friday, A5 Sop Kai Village (km 51.1) 11:00 PM Friday, A7 Mae Taeng Watershed Research Station (km 71.5) 4:00 AM Saturday, A10 Mae Ka Piang Village (km 100.2) 12:30 PM Saturday, A11 Wat Pang Hai (km 110.0) 5:00 PM Saturday, A13 Maesa Elephant Camp (km 129.9) 11:59 PM Saturday and A16 Montha Than Waterfall (km 162.4) 8:00 AM Sunday.
- Crew and pacers
- Crews may help only at A2, A5, A7, A9, A11 and A13, one assistant per runner, and must show a Support Pass to enter the support area. Runners may not be accompanied outside the zones near aid stations.
- Drop bags
- Two mid-race bags: a Gold bag at A5 Sop Kai Village (km 51) and a Red bag at A11 Wat Pang Hai (km 110). Only the official bags handed out at bib collection are accepted, and poles may not go in them.
Recorded facts reviewed Oct 20, 2026. Check the organizer’s latest rules. Calendar downloads use all-day dates and do not set a starting alarm.
Pace & duration
Start with the recorded course distance. Choose a planning duration; this race has no single recorded time limit to import.
Gear checklist
Choose a checklist suited to your expected duration. Add the organizer’s mandatory gear.
Crew & drop bags
Bring across the race name. Add confirmed access points, distances and your own arrival estimates.