Deep Japan Ultra 100
Date: June 27, 2026
Location: Uonuma, Niigata, Japan
Distances: 30K, 80K, 160K
Description: Deep Japan Ultra 100 immerses runners in Niigata's pristine wilderness, with courses blending trails, roads, and remote paths across multiple towns. The ultra distances test endurance in varied terrain, from rivers to mountains. It's acclaimed for its raw, untouched Japanese landscapes and supportive organization.
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