Mark Iversen
Born : 1959 Cat. M65 Ultrarunner since 2012 USA
21
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
5
Countries visited ?CAMCambodiaNZLNew ZealandSGPSingaporeSUISwitzerlandUSAUnited States
56,9%
Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 3 054; Σ finishers = 5 372. 3 054 / 5 372 × 100 = 56.85%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21
Km — ultra races1 188 km
> 100 km1
Longest race102,0 km

Km per year (ultra races)

50
1 race
2022
157
3 races
2023
233
3 races
2024
163
3 races
2025
2026

Race types (share of distance)

Road28,7%
Trail71,3%