Mart van Marrewijk
Born : 1942 Cat. M80 Ultrarunner since 1979 NED
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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
1
Countries visited ?NEDNetherlands
43,6%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 105; Σ finishers = 241. 105 / 241 × 100 = 43.57%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed3
Km — ultra races182 km
Longest race61,0 km
3e Schipholloop — 2/11/1980

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail100,0%

Records

No record for a classic ultra format