Saroma Lake 100km Ultra Marathon Online Challenge [Year End Month Long 100km] (サロマ湖100kmウルトラマラソン オンラインチャレンジ【Year end 1month 100km】)
About the Event
Join the virtual community of runners aiming to complete an online version of Japan's iconic Sairam Lake 100km Ultra Marathon. This event pays homage to one of the pioneering ultra marathons in Japanese history, offering participants a chance to experience its legendary course from their own location. The race offers several pricing tiers ranging from ¥4,990 up to ¥12,990, catering to various levels of engagement and support for runners who wish to replicate the challenge of covering 100 kilometers. Whether you have run Sairam Lake before or are dreaming of one day participating in this historic event, now is your chance to connect with fellow enthusiasts online. The virtual race allows participants from around the world to come together on December 1, 2026, and complete their own unique journey inspired by the scenic beauty and challenging terrain of Sairam Lake. Runners can track their progress over a period that matches the physical event's duration, sharing experiences and milestones with others in real-time. This virtual edition captures the essence of the original race while making it accessible to anyone regardless of geographical limitations or personal circumstances. It’s an opportunity for runners to push themselves and honor the spirit of endurance running embodied by Sairam Lake 100km Ultra Marathon. Experience the camaraderie, challenge yourself with a significant distance goal, and enjoy the virtual support network that connects you to this historic event from anywhere in the world.
Races Offered
2 Month 100km Stage 1 (November-December)
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
2 Month 100km Stage 2 (November-December)
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
November 1month 100km
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
October 1month 100km
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
September 1month 100km
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
Year end 1month 100km
Dec 01, 2026
straighten
Distance —
100K
terrain
Type —
Running
timer
56 days remaining
Hotels & Places to Stay
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Runner Reviews
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Event name — Saroma Lake 100km Ultra Marathon Online Challenge [Year End Month Long 100km] (サロマ湖100kmウルトラマラソン オンラインチャレンジ【Year end 1month 100km】).
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Saroma Lake 100km Ultra Marathon Online Challenge [Year End Month Long 100km] (サロマ湖100kmウルトラマラソン オンラインチャレンジ【Year end 1month 100km】)
![Saroma Lake 100km Ultra Marathon Online Challenge [Year End Month Long 100km] (サロマ湖100kmウルトラマラソン オンラインチャレンジ【Year end 1month 100km】)](/media/races/logos/100km-year-end-1month-100km-logo.jpg){kind=logo}