Billy HALLORAN
Japan
20-34 Men
Unavailable UTMB Index
Unavailable UTMB Index
How does the calculation work?
Evolution
Best UTMB Score
636
Finished race(s)
32
Top 10
2
2026
September 21
100 miles
Shinetsu Five Mountains Trail
Cat.
country
Distance
161.9 KM
6716 M+
Time
31:32:39
Rank
183
323
Gender
163
286
2025
September 14
110km
Shinetsu Five Mountains Trail
Cat.
country
Distance
112.7 KM
4309 M+
Time
20:22:26
Rank
128
306
Gender
110
259