A World Trail Majors flagship — 100km through the full range of Sapa's mountain terrain
A seriously challenging 100.9km with 5,500m of gain that covers every terrain type in the Sapa region. Starting in Sapa at 5 AM, the course climbs Ham Rong Mountain and traverses the Muong Hoa valley before ascending Mount Silverstone and descending into the remote Ban Moi valley. The iconic Cow Mountain ridgeline delivers sweeping views of Vietnam's highest peak before a technical descent into Ta Phin. Progressive checkpoint cutoffs, bamboo forests, riverside trails, steep village paths, and a final Silverstone climb demand experienced mountain legs. World Trail Majors flagship, ITRA 4-point qualifier, 100K UTMB Index, and Western States 2027 Qualifying Race.
Experienced ultrarunners
Sapa, Lao Cai, VietnamSeptember 19, 2026
Vietnam Mountain Marathon 100km is a point-to-point trail race in Sapa, Lao Cai, Vietnam, held on September 19, 2026. The course covers 100.9 km, climbs 4,810 m, and has a 28h cutoff.
Must complete an approved qualifier event within the qualification window
Submission deadline: August 20, 2026
Must have previously completed at least one chip-timed 50km+ ultra mountain race with significant elevation. Loop runs and virtual races do not qualify. Submit qualifying result URL at registration.
| Location | km | Elevation | Cutoff | Crew | Drop bags |
|---|---|---|---|---|---|
Start Start | 0.0 | 1,501 m | — | ||
Finish Finish | 97.1 | 937 m | 28h9:00 AM +1 |
Aid station details for this race are still being filled in. Cutoffs and access rules come from the race’s own published information and can change — check the official race details before planning around them.
Sign in for race-day weather at every station, points of interest, segment-by-segment analysis, pacing, and to save this race to your calendar.
September is end of Vietnam's monsoon season; wet trails and technical conditions likely throughout
Temperatures drop significantly at night on high mountain sections; thermal layers required
No required gear specified
No recommended gear specified
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