Ian Zurn
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Born : 1981
Cat. M45 Ultrarunner since 2009
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
31
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 States52,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 546; Σ finishers = 1 036. 546 / 1 036 × 100 = 52.70%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 156 km
> 100 km3
> 160 km3
Longest race162,5 km
3rd tBunk Endurance Challenge 100 Mile — 7/11/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/11/2015 | 3rd tBunk Endurance Challenge 100 Mile | 162,54 | ×5 |
| ✓ 2 | 11/4/2015 | 15th Potawatomi 100 Mile Trail Run | 160,93 | ×5 |
| ✓ 3 | 16/10/2010 | 4th Boulder 100 Mile Run | 160,93 | ×5 |
| ✓ 4 | 7/6/2014 | 19th Kettle Moraine 100 km Endurance Run | 100,00 | ×3 |
| ✓ 5 | 22/5/2010 | 1st Des Plaines River 50 Miles Trail Race | 80,47 | ×2 |
| ✓ 6 | 24/10/2009 | 2nd Endurance Challenge - Wisconsin Trail 50 Miles | 80,47 | ×2 |
| ✓ 7 | 25/7/2009 | 28th Minnesota Voyageur Trail 50 Mile Ultra | 80,47 | ×2 |
| ✓ 8 | 11/7/2009 | 6th Dances with Dirt - Devil's Lake 50M Ultra | 80,47 | ×2 |
| ✓ 9 | 10/9/2014 | 11th Rock Cut Hobo 50K | 50,00 | ×1 |
| ✓ 10 | 26/4/2014 | 3rd Earth Day 50k | 50,00 | ×1 |
| ✓ 11 | 13/7/2013 | 10th Dances with Dirt - Devil's Lake 50K Ultra | 50,00 | ×1 |
| ✓ 12 | 9/7/2011 | 8th Dances with Dirt - Devil's Lake 50K Ultra | 50,00 | ×1 |
| ✓ 13 | 11/10/2009 | 23rd Glacial Trail 50 km Race | 50,00 | ×1 |