RMT index in week 23/2026
Position TOP 10 in Netherlands
Index
Fitness
Short
Long
Ultra
Diederick Calkoen currently has a ranking of Expert Level A (week 23/2026), which is position TOP 10 among men in Netherlands. Diederick has run 12 scored trail races. The best scoring result achieved is several hundred RMT points on a course of ⨦ 55.5 km and + 3 050 m vertical during UTMB in 2017. They recently participated in World Mountain and Trail Running Championships 2025 and scored a lot of RMT points.
Your effort has a color
Amator
Beginner Level
Advanced Level
Expert Level
Elite
Rate My Trail © 2018 / 2026
Mountain Runners Ranking