Frank Grunert
Born : 1957 Cat. M65 Ultrarunner since 2004 GER
2
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
2
Countries visited ?GERGermanySUISwitzerland
8,4%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 257; Σ finishers = 3 050. 257 / 3 050 × 100 = 8.43%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races173 km
Longest race100,0 km
46. 100 km Lauf Biel — 11/6/2004

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road57,9%
Trail42,1%

Records