17.2–102.1km10.7–63.4mi
4 courses
Lake Toba by UTMB
Tuktuk Siadong, North Sumatra · 
Indonesia
463–4’277 m D+1’519–14’032 ft D+
UltraGPX
Upcoming races
June 2027 · 1 race
Sat 12.06.1 race
Other regions · Indonesia
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