Michael Walker
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Born : 1982
Cat. M40 Ultrarunner since 2017
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
2
Countries visited ?
CanadaUnited States
CanadaUnited States36,6%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 735; Σ finishers = 2 008. 735 / 2 008 × 100 = 36.60%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 453 km
> 100 km3
> 160 km3
> 24h2
Longest race167,7 km
4th Empower Backyard Ultra — 8/11/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail83,4%
Elim.16,6%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
17 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/11/2025 | 4th Empower Backyard Ultra | 167,65 | ×5 |
| ✓ 2 | 27/7/2024 | 18th Burning River 100 Mile Endurance Run | 160,93 | ×4 |
| ✓ 3 | 16/6/2018 | 29th Mohican Trail 100 Mile | 160,93 | ×4 |
| ✓ 4 | 24/5/2025 | 32nd Sulphur Springs Trail Run 100km | 100,00 | ×3 |
| ✓ 5 | 12/4/2019 | 8th The Zion 100 km Run | 100,00 | ×3 |
| ✓ 6 | 27/7/2019 | 4th Loopty Loop 12 Hour Ultra Trail Marathon | 81,11 | ×2 |
| ✓ 7 | 26/8/2023 | 24th North Country Trail Run 50 Mile | 80,47 | ×2 |
| ✓ 8 | 17/11/2018 | 9th Stone Mill 50 Mile Run | 80,47 | ×2 |
| ✓ 9 | 30/9/2017 | 1st Yo Mommas Old School 50 Miles | 80,47 | ×2 |
| ✓ 10 | 4/5/2019 | 1st Bob's Big Timber Backyard Ultra | 73,77 | ×2 |
| ✓ 11 | 1/5/2021 | 1st EHQ Valley Falls 12 Hour Race | 67,59 | ×2 |
| ✓ 12 | 9/11/2024 | 2nd Cantuckee Y'all 50K | 50,00 | ×1 |
| ✓ 13 | 28/8/2022 | 23rd North Country Trail Run 50 km | 50,00 | ×1 |
| ✓ 14 | 17/10/2020 | 6th Quest for the Crest 50k | 50,00 | ×1 |
| ✓ 15 | 25/7/2020 | 13th Speedgoat 50k | 50,00 | ×1 |
| ✓ 16 | 12/5/2018 | 3rd Thunderbunny 50K | 50,00 | ×1 |
| ✓ 17 | 15/4/2017 | 9th Forget the PR - Mohican 50k | 50,00 | ×1 |