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Marathon Calendar

Upcoming Marathons

143 start lines are waiting for you

See Korea's major marathon schedule at a glance. Filter by region and distance to pick your next challenge.

— past races roll off and new ones are added automatically.

Upcoming 143 Past 900

Showing 127–143 of 143 past races.

Marathon schedule by month

Korea's 2026 marathon schedule, month by month — full, half, 10km and trail. Pick a month to see that month's races and registration status.

When you need someone to train with for race day

Find a crew preparing for the same race on the RunnerOn app and train together with a 12-week plan.

* This schedule is curated based on previous years' events. Please check each race's official site for exact registration and event details.

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Developer Ini Online