Mad Fox Ultra Invocation 2025

toughest winter ultramarathon in Russia

The Biggest Winter Trail Race Event in Russia

Mad Fox Ultra K20 Mad Fox Ultra K40 Mad Fox Ultra K70 Valhalla Race

RACE DETAILS RACE COURSE RACE RESULTS

Race Date: 2025/12/21

Start Time: 12:00:00

Participation: solo

Distance: 40.50

Elevation Gain: +222

Elevation Loss: -161

Time Limit: 8:0:0

Number of Aid Stations: 3

Number of Participants: 800

Toughest winter ultra race in Russia