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The 21K race is a solo trail run of 23.84 km with 1,154 m of elevation gain and 1,154 m of elevation loss. It starts at 06:00 with a six-hour time limit and includes two aid stations along the route.
Mountain trail with 1,154 m of climbing and descent
ITRA Mountain Level 5 race with 260 finisher points
Two aid stations on the course
Part of the event's expedition-style theme, Discover Your Adventure
On the day
Before you enter
Other questions
The 21K race takes place on 8 November 2026 in Subang, Indonesia. The race starts at 06:00.
Yes. The 21K race is listed as an ITRA Mountain Level 5 event, with a finisher level of 260 points.
The Sari Ater Trail Race is a legendary trail running event that began in 2022. The 2026 edition, themed Discover Your Adventure, is the fourth edition of the race.
Yes. Updates and photos from the Sari Ater Trail Race are shared on Instagram at @sariater.trailrace.
The event page lists 5K, 10K and 21K distances for the 2026 edition. This page covers the 21K race.
Entry fee not listed
Check the race's registration page for pricing.Subang, Indonesia
Sunday, November 8, 2026
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