Mark Howard
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11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
25
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 ?
Canada
United States
66,1%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 541; Σ finishers = 818. 541 / 818 × 100 = 66.14%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races779 km
> 100 km3
> 24h3
Longest race113,0 km
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail75,5%
Elim.24,5%
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 23.05 | 50km | 6:32:51 h | 45 | |
| 2024 | ||||
| 05.10 | Backyard Ultra | 45.061 km | 93 | |
| 2023 | ||||
| 11.11 | Backyard Ultra | 100.590 km (15h) | 8 | |
| 07.10 | Backyard Ultra | 45.061 km | 85 | |
| 2022 | ||||
| 19.08 | 113km | 26:50:05 h | 15 | |
| 2019 | ||||
| 29.06 | 110km | 19:48:00 h | 77 | |
| 2017 | ||||
| 04.11 | 50mi | 10:03:08 h | 63 | |
| 2016 | ||||
| 23.04 | 50km | 6:04:39 h | 53 | |
| 2014 | ||||
| 02.08 | 36mi | 9:32:51 h | 25 | |
| 2013 | ||||
| 15.09 | 50km | 7:02:22 h | 67 | |
| 1982 | ||||
| 31.07 | 48mi | 10:23:07 h | 21 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/8/2022 | 4ère Ultra Trail des Chic-Chocs (UTCC) - La Grande Traversée | 113,00 | ×4 |
| ✓ 2 | 29/6/2019 | 5th Quebec Mega Trail 110 km | 110,00 | ×4 |
| ✓ 3 | 11/11/2023 | 4th Race for DFL | 100,59 | ×4 |
| ✓ 4 | 4/11/2017 | 17th Stone Cat 50 Mile | 80,47 | ×3 |
| ✓ 5 | 31/7/1982 | 1st Minnesota Voyageur Trail 50 Mile Ultra | 77,25 | ×3 |
| ✓ 6 | 2/8/2014 | 3rd Moosalamoo Ultra | 57,94 | ×2 |
| ✓ 7 | 23/5/2026 | 21st Trail Festival at Pineland Farms (Gunstock TrailFest) | 50,00 | ×2 |
| ✓ 8 | 23/4/2016 | 6th TARC Spring Classic 50 km | 50,00 | ×2 |
| ✓ 9 | 15/9/2013 | 16th Pisgah Mountain Trail Race | 50,00 | ×2 |
| ✓ 10 | 5/10/2024 | 6th Bubba's Backyard Ultra | 45,06 | ×1 |
| ✓ 11 | 7/10/2023 | 5th Bubba's Backyard Ultra | 45,06 | ×1 |