Manfred Kirfel
Born : 1951 Cat. M75 Ultrarunner since 1986 GER
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
14
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 ?GERGermany
37,7%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 221; Σ finishers = 586. 221 / 586 × 100 = 37.71%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races200 km
Longest race100,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%

Records

HISTORY

2 race(s)
DateRacePerf.Rk
1993
16.10 100km GER3. 100 km Lauf Neuwittenbek 8:55:25 h26
1986
06.09 100km GER18. 100 km Lauf Unna 11:58:54 h197