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Mountain Marathon Festival - Sembalun, West Nusa Tenggara - 42K

Indonesia
Verified listingUpdated May 25, 2026

Mountain Marathon Festival - Sembalun, West Nusa Tenggara - 42K is listed for September 20, 2026 in Indonesia. Listed distances: Full Marathon. Confirm the date, registration and travel details with the official organizer before you book.

Date
September 20, 2026
Distances
Full Marathon
Location
Indonesia
Surface
Trail

About this race

ITRA source-backed trail_race 42K; category Marathon (35-45km); +2065 m elevation gain; location Sembalon.

Key facts

Date
September 20, 2026
Location
Indonesia
Events
Full Marathon
Surface
Trail
Official source
Registration page & official site
Listing status
Verified · updated May 25, 2026

Before you register

  • 1
    Confirm the race-day schedule

    Verify the September 20, 2026 start times, packet pickup (collecting your race bib) and corral (your assigned start group) instructions on the official source before booking travel.

  • 2
    Pin the exact start area

    Use Indonesia as the planning region, then confirm the precise start, finish, parking and transport with the organizer.

  • 3
    Pick your distance

    Listed options are Full Marathon. Check the source for current per-distance availability and limits.

  • 4
    Review entry terms

    Read entry rules, refund terms, participant limits and transfer rules before you pay.