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Running races 2025 - 2026: ultramarathons in Eastern Asia
Jeju International Ultra Marathon (제주 국제 울트라 마라톤 대회)
Jeju-do, South Korea
24 May, 2025 (Sat)
Running
50 km, 100 km, 200 km
This event also offers:Trail running
Yokosuka-Miura 72km Michikusa Ultra Marathon (横須賀・三浦 72kmみちくさウルトラマラソン)
Kanagawa, Japan
24 May, 2025 (Sat)
Running
72 km
OSJ Okukuji Trail (OSJ奥久慈トレイル)
Daigo, Japan
24 May, 2025 (Sat)
Running
59 km +1 more
Tojinbo Maranic with Love 62km
Tojinbo, Japan
31 May, 2025 (Sat)
Running
62 km
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Tokyo Grand Trail 60km
Okutama, Japan
31 May, 2025 (Sat)
Running
60 km
Water Love Nakdonggang River Ultra Marathon
부산광역시 을숙도, South Korea
06 Jun, 2025 (Fri)
Running
100 km, 200 km
Gwangju Bitgoeul Ultra 100K (광주빛고을울트라100km)
Kwangju, South Korea
14 Jun, 2025 (Sat)
Running
50 km, 100 km
Shimanami Surround
Hiroshima, Japan
15 Jun, 2025 (Sun)
Running
60 km, 100 km +1 more
Ulsan Taehwa River Ultra Marathon (울산태화강울트라마라톤대회)
태화강둔치공영주차장, South Korea
21 Jun, 2025 (Sat)
Running
50 km, 100 km
Lake Saroma 50/100k Ultramarathon
Yubetsu, Japan
29 Jun, 2025 (Sun)
Running
50 km, 100 km
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