Jeffrey Harrison
Born : 1971 Cat. M55 Ultrarunner since 2013 USA
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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
61,9%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 519; Σ finishers = 838. 519 / 838 × 100 = 61.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed10
Km — ultra races865 km
> 100 km3
> 24h8
Longest race128,6 km
4th Tideland 24 Hours — 2/11/2019

Km per year (ultra races)

100
1 race
2022
2023
2024
2025
2026

Race types (share of distance)

Road34,2%
Trail65,8%