Mark Perkins
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17
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
53,9%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 2 409; Σ finishers = 4 469. 2 409 / 4 469 × 100 = 53.90%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 416 km
> 100 km4
> 160 km4
Longest race160,9 km
36th Leadville Trail 100 Mile — 18/8/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/8/2018 | 36th Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 2 | 19/8/2017 | 35th Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 3 | 16/9/2016 | 10th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run | 160,93 | ×4 |
| ✓ 4 | 22/8/2015 | 33rd Leadville Trail 100 Mile | 160,93 | ×4 |
| ✓ 5 | 8/7/2018 | 11th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 6 | 9/7/2017 | 10th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 7 | 13/7/2014 | 7th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 8 | 15/7/2012 | 5th Leadville Silver Rush 50 Mile Run | 80,47 | ×2 |
| ✓ 9 | 3/6/2017 | 9th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 10 | 4/6/2016 | 8th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 11 | 28/6/2014 | 5th North Fork 50 km Trail Race | 50,00 | ×1 |
| ✓ 12 | 31/5/2014 | 6th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 13 | 3/5/2014 | 10th Greenland Trail Race | 50,00 | ×1 |
| ✓ 14 | 4/5/2013 | 9th Greenland Trail Race | 50,00 | ×1 |
| ✓ 15 | 2/6/2012 | 4th Golden Gate Dirty 30 | 50,00 | ×1 |
| ✓ 16 | 5/5/2012 | 8th Greenland Trail Race | 50,00 | ×1 |
| ✓ 17 | 4/6/2011 | 3rd Golden Gate Dirty 30 | 50,00 | ×1 |