Robert Duncan
Born : 1959 Cat. M65 Ultrarunner since 1996 USA
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?USAUnited States
44,5%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 1 065; Σ finishers = 2 394. 1 065 / 2 394 × 100 = 44.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races763 km
> 100 km2
> 160 km2
> 24h1
> 48h1
Longest race160,9 km

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Road8,6%
Trail91,4%