Boris Grehal
Born : 1992 Cat. M23 Ultrarunner since 2016 FRA
23
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
37
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
3
Countries visited ?FRAFranceITAItalyPORPortugal
7,9%
Rank quotient ?This runner's calculation uses 23 eligible race(s): Σ(rank − 1) = 956; Σ finishers = 12 069. 956 / 12 069 × 100 = 7.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed23
Km — ultra races1 761 km
> 100 km5
Longest race160,0 km

Km per year (ultra races)

80
1 race
2022
118
2 races
2023
100
1 race
2024
158
2 races
2025
2026

Race types (share of distance)

Road5,7%
Trail94,3%