Gerard Kortekaas
Born : 1941 Cat. M85 Ultrarunner since 1981 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
15,4%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 45; Σ finishers = 292. 45 / 292 × 100 = 15.41%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed3
Km — ultra races183 km
Longest race61,0 km
6e Schipholloop — 6/11/1983

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

HISTORY

3 race(s)
DateRacePerf.Rk
1983
06.11 61km NED6e Schipholloop 4:12:00 h13
1982
07.11 61km NED5e Schipholloop 4:22:42 h17
1981
01.11 61km NED4e Schipholloop 4:29:10 h18