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Built on bad decisions in Boulder, CO.

JD Ultra-Trail Great Wall

4 Race EventsMarathon, 100K, 100K, 50K

UTMB

Zhangjiakou, Hebei, China

JD Ultra-Trail Great Wall CGW70

JD Ultra-Trail Great Wall CGW70

Sep 11, 2026

JD Ultra-Trail Great Wall DGW100

JD Ultra-Trail Great Wall DGW100

Sep 11, 2026

JD Ultra-Trail Great Wall MGW50

JD Ultra-Trail Great Wall MGW50

Sep 12, 2026

JD Ultra-Trail Great Wall NGW30

JD Ultra-Trail Great Wall NGW30

Sep 13, 2026