Seoul 100K2026

19.09 – 20.09.2026Seoul (South Korea)

Pacing, fueling and crew sheet for the course you pick

4’847 m D+

107.9 kmUltra100longest of 2 courses

2 courses

GPX trace not yet published.

Race plan

Pacing, aid stations and fueling timed to your effort on Seoul 100K, in one roadbook.

Seoul 100K trail race featuring 100K, 50K, and 20K categories starting from Gwanghwamun Square.

Find a place to stay near Seoul for the race.

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