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Transjeju by UTMB - Jeju100M


Seogwipo, Jeju, South Korea

UTMB Direct 3WSER Qualifier4 UTMB Running Stones
The race's site ↗Course map ↗

Transjeju by UTMB - Jeju100M is a trail race of 92 miles (148 km) in Seogwipo, Jeju, South Korea. The next edition is on Friday, October 2, 2026. The race gives its climbing as 16,404 ft (5,000 m). It starts at 263 ft (80 m) above sea level. Its high point is 6,333 ft (1,930 m). The course finishes where it starts. It's a UTMB World Series Event, whose top three men and women go straight to the UTMB Finals and a Western States 100 qualifier. Finishers earn 4 UTMB Running Stones toward the UTMB lottery.

There is one other upcoming 100-mile race in South Korea. Transjeju by UTMB - Jeju100M climbs about 178 ft a mile (34 m per km), near the middle of the 146 100-mile races listed with their climbing.

92miDistance
16,404ftClimbing

The course

92miMeasured distance
—Aid stations
16,365ftMeasured climb
16,368ftDescent
6,333ftHigh point
208ftLow point

Questions about Transjeju by UTMB - Jeju100M

When is Transjeju by UTMB - Jeju100M 2026?

Transjeju by UTMB - Jeju100M 2026 is on Friday, October 2, 2026.

Where is Transjeju by UTMB - Jeju100M?

Transjeju by UTMB - Jeju100M is held in Seogwipo, Jeju, South Korea.

How long is Transjeju by UTMB - Jeju100M?

Transjeju by UTMB - Jeju100M is 92 miles (148 km).

How much elevation gain does Transjeju by UTMB - Jeju100M have?

Transjeju by UTMB - Jeju100M has 16,404 ft (5,000 m) of elevation gain, as the race states it.

Is Transjeju by UTMB - Jeju100M a Western States qualifier?

Yes. Transjeju by UTMB - Jeju100M is on the Western States 100's list of qualifying races. Check wser.org for the qualifying standard and years.

Where can I see the Transjeju by UTMB - Jeju100M elevation profile and aid station cutoffs?

runfarwhere has Transjeju by UTMB - Jeju100M's course file. The outline, distance and climbing are free on its page; the elevation profile, aid stations with cutoffs and the GPX file are part of runfarwhere Premium.

How hilly is Transjeju by UTMB - Jeju100M?

Transjeju by UTMB - Jeju100M climbs about 178 ft a mile (34 m per km), near the middle of the 146 100-mile races listed with their climbing.

What other 100-mile races are there in South Korea?

The other upcoming 100-mile race in South Korea is Ulju Trail Nine Peaks (October 1, 2026).

Other races in South Korea

Every race in South Korea

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