Hieronymus MERTENS
Netherlands
20-34 Men
Unavailable UTMB Index
Unavailable UTMB Index
Unavailable UTMB Index
How does the calculation work?
Evolution
Best UTMB Score
636
Finished race(s)
32
Top 10
2
2026
October 24
Bear Trail - 17km
Grizzly100
Cat.
country
Distance
17 KM
334 M+
Time
01:52:22
Rank
62
170
Gender
49
109
Cat.
country
Distance
25 KM
500 M+
Time
02:51:14
Rank
88
186
Gender
68
123
January 24
Houffa Night Trail 11km
Houffatrail
Cat.
country
Distance
11 KM
258 M+
Time
00:58:57
Rank
40
233
Gender
34
132