Summit Mon Long on a reversed route with the relentless Infinity Climb

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

Experienced ultrarunners

A challenging 72-kilometer course highlighted by the ascent to Mon Long summit and the relentless 'Infinity Climb'. The reversed course transforms every ascent, descent, and rhythm compared to the 100K, exposing runners to sustained climbing followed by long technical descents. Starts with a morning climb to reveal the summit in daylight — a perspective once hidden in darkness.

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

No Service Requirement

Does not require trail or volunteer work

No qualifier race required

Experienced ultrarunners

This event uses open registration - no lottery entry required.

This event does not require a qualifier for entry.

This race does not have a service requirement for entry.

Location	km	Elevation
Start Start	0.0	780 m
Finish Finish	72.2	768 m

Location	km	Elevation
Start Start	0.0	780 m
Finish Finish	72.2	768 m

Pong Yaeng Trail 70K Rock Tower Climb

Pong Yaeng Trail 70K Rock Tower Climb

What Makes It Great

Difficulty

Finish Awards