James Peter Heyboer
Born : 1980 Cat. M45 Ultrarunner since 2015 USA
19
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
40
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
3
Countries visited ?CANCanadaFRAFranceUSAUnited States
17,5%
Rank quotient ?This runner's calculation uses 19 eligible race(s): Σ(rank − 1) = 882; Σ finishers = 5 039. 882 / 5 039 × 100 = 17.50%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed19
Km — ultra races1 970 km
> 100 km7
> 160 km6
Longest race170,0 km

Km per year (ultra races)

270
2 races
2022
161
1 race
2023
301
3 races
2024
100
1 race
2025
90
1 race
2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0