Jim Bispham
Ultrarunner since 2003 GBR
2
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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 ?GBRUnited KingdomNEDNetherlands
52,7%
Rank quotient ?This runner's calculation uses 2 eligible race(s): Σ(rank − 1) = 59; Σ finishers = 112. 59 / 112 × 100 = 52.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed2
Km — ultra races316 km
> 100 km2
> 160 km1
> 24h1
Longest race162,9 km
24h Weert — 31/5/2003

Km per year (ultra races)

2022
2023
2024
2025
2026

Race types (share of distance)

Trail48,4%
Ult.Walk51,6%

Records

HISTORY

2 race(s)
DateRacePerf.Rk
2007
23.06 153km GBR23rd West Highland Way Race 27:28:34 h54
2003
31.05 24h NED24h Weert 162.869 km7