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Built on bad decisions in Boulder, CO.

Borneo Ultra-Trail Marathon

4 Race Events50K, 30K, 10K, 100K

Borneo Ultra Trails Sdn. Bhd.

Kiulu, Sabah, Malaysia

Course map for Borneo Ultra Trail Marathon 100 km

Borneo Ultra Trail Marathon 100 km

Apr 3, 2027

100KCrew

Course map for Borneo Ultra Trail Marathon 30 km

Borneo Ultra Trail Marathon 30 km

Apr 3, 2027

30KCrew

Course map for Borneo Ultra Trail Marathon 55 km

Borneo Ultra Trail Marathon 55 km

Apr 3, 2027

50KCrew

Course map for Borneo Ultra Trail Marathon 9 km

Borneo Ultra Trail Marathon 9 km

Apr 4, 2027

10KCrew