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🇻🇳Vietnam·Lao Cai·Sa Pa

Vietnam Mountain Marathon - 100K

UltraRegistration OpenUTMB IndexITRAATM Series
Sat, Sep 19, 2026Date
100 kmDistance
+5,600m / -5,600mElevation
Sa Pa, Lao Cai, VietnamLocation
156 KEKM-Effort
21:00Start Time

About

Vietnam's oldest ultra trail race, centered around Sa Pa in the Hoang Lien mountains of northern Vietnam. Courses weave through rice-terraced valleys, bamboo forests, and ethnic minority villages of the Hmong, Red Dao, and Tay peoples. Nearby Cat Cat village and Fansipan cable car are popular attractions.

Organized byTopas
Aid stations12

Difficulty

ITRA 5 pointsUTMB World 100K
Asia Trail Master
Extremely Hard156 KE
KM-Effort = distance (km) +elevation gain (m)100

Based on the ITRA standard.

Elevation Density56 m/km · Hard
Elevation Density =elevation gain (m)distance (km)
Time limit:30h

Run Conditions

MountainJungleRice Terraces
Weather in Sep

Temperature

17 – 22°C

Mild

Humidity

Extreme

Rainfall

328 mm

Monsoon

Sunshine

8.9h/day

~25 rainy days expected

Cool season, 15-25C, possible rain

Registration

Website
vietnamtrailseries.com/vmm
Register
vietnamtrailseries.com
Deadline
Not specified
Entry fee
175 USD
Register Now

Travel & Logistics

VenueSapa Square, Sa Pa, Lao Cai, Vietnam
Google MapsView on Maps
No airport within 200 km

Race Day Info

GPX File

Not yet released, check again closer to race date

BiB Collection

Not available yet, check again closer to race date

Mandatory Gear

Not available — check the website for more details

Other Distances

Vietnam Mountain Marathon - 10K

10.8 km+570mSep 19
ITRA

Vietnam Mountain Marathon - 23K

21.4 km+1,000mSep 19
UTMBITRA

Vietnam Mountain Marathon - 50K

46.7 km+2,800mSep 19
UTMBITRA

Vietnam Mountain Marathon - 70K

69.5 km+4,000mSep 19
UTMBITRA

Vietnam Mountain Marathon - 160K

161 km+8,800mSep 18
UTMBITRA

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Race data is actively being refined. If something looks off, .

Sources: manual, itra, atm · Enriched 2026-02-28