Mad Fox Ultra Infinity 2023

toughest winter ultramarathon in Russia

The Biggest Winter Trail Race Event in Russia

Mad Fox Ultra K40 Mad Fox Ultra 50 miles Valhalla Race Mad Fox Ultra K20

Mad Fox Ultra K40

Itra Points

Mountain Level

Finisher level

National League

RACE DETAILS RACE COURSE RACE RESULTS

Race Course

Start Location: Kupan Village, Russia

Finish Location: Azimut Pereslavl, Russia

Type of Terrain: 30% Paths / 60% Tracks / 10% Roads

See in detail on trace de trail

International Trail Running Association

A non-profit organization

Born in July 2013, the ITRA (International Trail Running Association) aims to give a voice to parties involved in trail running in order to promote its strong values, its diversity, the safety of races and the health of runners, as well as to further the development of trail running and ensure a constructive dialogue between the national and international bodies with an interest in the sport.

Our Values