Mad Fox Ultra Pure Intention 2026

toughest winter ultramarathon in Russia

The Biggest Winter Trail Race Event in Russia

Mad Fox Ultra K10 Mad Fox Ultra K20 K30 outbursts Mad Fox Ultra K40 Mad Fox Ultra K70 50 miles Valhalla Race 100 miles

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RACE DETAILS RACE COURSE RACE RESULTS

Race Date: 2026/12/20

Start Time: 08:30:00

Participation: Solo

Distance: 13.13

Elevation Gain: +101

Elevation Loss: -101

Time Limit: 4:0:0

Number of Aid Stations: 0

Number of Participants: 500

Сложная зимняя гонка в рамках MFU

Toughest winer race