Jan den Hartog
Born : 1981 Cat. M45 Ultrarunner since 2011 GBR
5
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
21
DUV-index+ ?Largest integer N such that the race distances provide at least N complete segments of N km in total. A single long race may therefore contribute several segments. See the DUV-Index tab for the detailed calculation. calculation details
4
Countries visited ?GBRUnited KingdomGERGermanyRSASouth AfricaSWESweden
46,6%
Rank quotient ?This runner's calculation uses 5 eligible race(s): Σ(rank − 1) = 9 717; Σ finishers = 20 830. 9 717 / 20 830 × 100 = 46.65%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed12
Km — ultra races483 km
> 100 km1
> 160 km1
> 200 km1
Longest race273,0 km

Km per year (ultra races)

2022
2023
2024
56
1 race
2025
2026

Race types (share of distance)

Road23,2%
Trail20,3%
Stage56,5%

Records

No record for a classic ultra format