David Wronski
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Born : 1985
Cat. M40 Ultrarunner since 2009
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
36
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
3
Countries visited ?
Brazil
ItalyUnited States
BrazilItalyUnited States78,6%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 1 696; Σ finishers = 2 159. 1 696 / 2 159 × 100 = 78.55%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 515 km
> 100 km4
> 160 km3
> 200 km2
Longest race330,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 18.10 | 100km | 5th Lake Sonoma 100K & 50K |
19:26:10 h | 218 |
| 2024 | ||||
| 29.09 | 50mi | 42nd Dick Collins Firetrails 50 Mile |
14:33:36 h | 68 |
| 24.02 | 50km | 1st The Big Alta |
8:36:47 h | 187 |
| 2018 | ||||
| 05.05 | 100km | 23nd Miwok 100k Trail Race |
15:10:32 h | 253 |
| 2017 | ||||
| 15.04 | 50mi | 9th Lake Sonoma 50 Mile Race |
12:57:21 h | 249 |
| 2016 | ||||
| 26.11 | 28mi | 32nd Quad Dipsea Trail Run |
7:22:38 h | 176 |
| 2015 | ||||
| 12.09 | 75mi | 9th Headlands Hundred 75 Mile Endurance Run |
20:04:00 h | 5 |
| 2013 | ||||
| 08.09 | 330km | 4° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta |
5d 22:48:51 h | 251 |
| 2011 | ||||
| 21.01 | 135mi | 5ª Brazil 135mi Ultramaratona |
47:25:00 h | 17 |
| 2010 | ||||
| 30.10 | 50km | 1st Boggs Mountain Boogie 50K |
6:50:00 h | 24 |
| 16.10 | 50km | 10th Mount Diablo 50K |
7:59:56 h | 14 |
| 17.07 | 100mi | 9th Tahoe Rim Trail 100M Endurance Runs |
33:19:10 h | 58 |
| 01.05 | 50km | 30th Wild Wild West 50k |
7:22:42 h | 40 |
| 2009 | ||||
| 05.12 | 50mi | 3rd Endurance Challenge - California Trail 50 Mile |
12:09:59 h | 150 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/9/2013 | 4° Tor des Géants - 330 km Endurance Trail della Valle d'Aosta | 330,00 | ×9 |
| ✓ 2 | 21/1/2011 | 5ª Brazil 135mi Ultramaratona | 217,26 | ×6 |
| ✓ 3 | 17/7/2010 | 9th Tahoe Rim Trail 100M Endurance Runs | 160,93 | ×4 |
| ✓ 4 | 12/9/2015 | 9th Headlands Hundred 75 Mile Endurance Run | 120,70 | ×3 |
| ✓ 5 | 18/10/2025 | 5th Lake Sonoma 100K & 50K | 100,00 | ×2 |
| ✓ 6 | 5/5/2018 | 23nd Miwok 100k Trail Race | 100,00 | ×2 |
| ✓ 7 | 29/9/2024 | 42nd Dick Collins Firetrails 50 Mile | 80,47 | ×2 |
| ✓ 8 | 15/4/2017 | 9th Lake Sonoma 50 Mile Race | 80,47 | ×2 |
| ✓ 9 | 5/12/2009 | 3rd Endurance Challenge - California Trail 50 Mile | 80,47 | ×2 |
| ✓ 10 | 24/2/2024 | 1st The Big Alta | 50,00 | ×1 |
| ✓ 11 | 30/10/2010 | 1st Boggs Mountain Boogie 50K | 50,00 | ×1 |
| ✓ 12 | 16/10/2010 | 10th Mount Diablo 50K | 50,00 | ×1 |
| ✓ 13 | 1/5/2010 | 30th Wild Wild West 50k | 50,00 | ×1 |
| ✓ 14 | 26/11/2016 | 32nd Quad Dipsea Trail Run | 45,06 | ×1 |