David Mosier
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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 ?
Canada
75,7%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 742; Σ finishers = 980. 742 / 980 × 100 = 75.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 298 km
> 100 km3
> 160 km2
> 200 km1
> 24h3
Longest race321,9 km
1st SOO 200 — 21/7/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail80,4%
Elim.19,6%
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 26.06 | Backyard Ultra | 60.354 km (9h) | 38 | |
| 2025 | ||||
| 18.10 | 55km | 8:38:39 h | 18 | |
| 21.07 | 200mi | 4d 03:02:20 h | 17 | |
| 27.06 | Backyard Ultra | 127.414 km (19h) | 4 | |
| 2024 | ||||
| 17.11 | 50km | 8:50:15 h | 66 | |
| 19.10 | 55km | 9:23:01 h | 29 | |
| 2023 | ||||
| 05.08 | Backyard Ultra | 67.060 km (10h) | 30 | |
| 2022 | ||||
| 28.05 | 100mi | 28:42:13 h | 28 | |
| 2021 | ||||
| 24.10 | 50km | 8:07:23 h | 247 | |
| 2018 | ||||
| 06.10 | 50km | 5:45:24 h | 23 | |
| 28.04 | 50km | 7:29:18 h | 60 | |
| 2017 | ||||
| 12.11 | 50km | 6:13:15 h | 20 | |
| 27.05 | 100km | 17:31:31 h | 31 | |
| 2016 | ||||
| 15.10 | 50km | 6:37:39 h | 41 | |
| 14.05 | 50km | 7:23:39 h | 105 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/7/2025 | 1st SOO 200 | 321,87 | ×10 |
| ✓ 2 | 28/5/2022 | 29th Sulphur Springs Trail Run 100 Mile | 160,93 | ×5 |
| ✓ 3 | 27/6/2025 | 1st Utopia Backyard Ultra | 127,41 | ×3 |
| ✓ 4 | 27/5/2017 | 25th Sulphur Springs Trail Run 100km | 100,00 | ×3 |
| ✓ 5 | 5/8/2023 | 2nd Persistence Backyard Ultra | 67,06 | ×2 |
| ✓ 6 | 26/6/2026 | 2nd Utopia Backyard Ultra | 60,35 | ×1 |
| ✓ 7 | 18/10/2025 | 13th Creemore Vertical Challenge 55 km Trail Run | 55,00 | ×1 |
| ✓ 8 | 19/10/2024 | 12th Creemore Vertical Challenge 55 km Trail Run | 55,00 | ×1 |
| ✓ 9 | 17/11/2024 | 19th Fat Ass Trail Run | 50,00 | ×1 |
| ✓ 10 | 24/10/2021 | 23rd Diez Vista 50K Trail Run | 50,00 | ×1 |
| ✓ 11 | 6/10/2018 | 2nd Sticks'n'Stones Trail Race | 50,00 | ×1 |
| ✓ 12 | 28/4/2018 | 10th Pick Your Poison 50K Trail Run | 50,00 | ×1 |
| ✓ 13 | 12/11/2017 | 13th Fat Ass Trail Run | 50,00 | ×1 |
| ✓ 14 | 15/10/2016 | 14th Vulture Bait 50 km Trail Race | 50,00 | ×1 |
| ✓ 15 | 14/5/2016 | 10th Seaton Trail Run 50 km | 50,00 | ×1 |