Michel Ducrey
Born : 1946 Cat. M80 Ultrarunner since 1979 FRA
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
42
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 ?FRAFrance
49,3%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 4 425; Σ finishers = 8 977. 4 425 / 8 977 × 100 = 49.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races2 057 km
> 100 km1
> 160 km1
> 200 km1
Longest race257,0 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road100,0%