Bir Billing Ultra
Races
51K
Jul 18, 2026 (Sat)
Distance
50.7 km
Elevation gain
3,378 m
Difficulty
Intermediate
Track your race performances from your personal race dashboard.
Temperature
20°C / 24°C
Feels like
22°C / 28°C
Avg sunshine hours
8h 12m
Avg rainfall
13 mm
Avg snowfall
-
Max wind speed
8.0 km/h (Light breeze)
Sweat loss rate
Moderate
Trail conditions
Mostly tacky, some muddy spots
Aug 15-16, 2026 (Sat-Sun)
Nakhon Si Thammarat, Nakhon Si Thammarat, Thailand
Jul 31-Aug 1, 2026 (Fri-Sat)
Baling, Kedah, Malaysia
Jul 26, 2026 (Sun)
Quezon, Calabarzon, Philippines
Aug 9, 2026 (Sun)
Sibalom, Western Visayas, Philippines
