Jasper Kirkby
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1948
Cat. M75 Ultrarunner since 1982
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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 ?United States
United States5,9%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 80; Σ finishers = 1 350. 80 / 1 350 × 100 = 5.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races809 km
> 100 km2
> 160 km1
> 200 km1
> 24h1
Longest race206,5 km
5th Sri Chinmoy 24 Hour Race — 24/9/1983
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road35,5%
Trail64,5%
Wins & podiums (ultra)
🏆 Win2
🏆 Win M2
🏅 Top 33
🏅 Top 3 M3
Longest winning streak1
Current streak1
HISTORY
8 race(s) · 4 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/9/1983 | 5th Sri Chinmoy 24 Hour Race | 206,47 | ×7 |
| ✓ 2 | 25/6/1983 | 10th Western States 100 Mile Endurance Run | 150,47 | ×5 |
| ✓ 3 | 5/11/1983 | Challenge Cup 50 - 50 Mile | 80,47 | ×3 |
| ✓ 4 | 11/9/1983 | Drake's Bay 50 Mile Run | 80,47 | ×3 |
| ✓ 5 | 17/4/1983 | 4th American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 6 | 26/12/1982 | 1st Recover From The Holidays Fat Ass 50 | 80,47 | ×3 |
| ✓ 7 | 18/4/1982 | 3rd American River 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 8 | 1/8/1982 | 1st Skyline 50k Endurance Run | 50,00 | ×1 |