Haley Maser
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.
11
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
25,6%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 264; Σ finishers = 1 031. 264 / 1 031 × 100 = 25.61%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races836 km
> 100 km1
> 24h3
Longest race104,8 km
5th Bear Lake Ultra Race — 8/10/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail89,6%
Elim.10,4%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F3
🏅 Top 31
🏅 Top 3 F4
Longest winning streak0
Current streak0
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 12.04 | 33.5mi | 5:24:36 h | 20 | |
| 2024 | ||||
| 09.03 | 50mi | 11:17:40 h | 44 | |
| 2023 | ||||
| 07.10 | 50km | 5:29:54 h | 2 🥈 | |
| 08.04 | 100km | 14:44:23 h | 59 | |
| 07.01 | 50km | 6:10:04 h | 23 | |
| 2022 | ||||
| 08.10 | 24h | 104.768 km | 20 | |
| 23.04 | 50km | 5:27:56 h | 11 | |
| 2021 | ||||
| 09.10 | 24h | 99.779 km | 19 | |
| 10.07 | Backyard Ultra | 87.178 km (13h) | 62 | |
| 2020 | ||||
| 10.07 | 12h | 77.248 km | 7 | |
| 2019 | ||||
| 27.07 | 12h | 82.720 km | 8 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/10/2022 | 5th Bear Lake Ultra Race | 104,77 | ×4 |
| ✓ 2 | 8/4/2023 | 12th The Zion 100 km Run | 100,00 | ×3 |
| ✓ 3 | 9/10/2021 | 4th Bear Lake Ultra Race | 99,78 | ×3 |
| ✓ 4 | 10/7/2021 | 3rd Ode to Laz Backyard Ultra | 87,18 | ×3 |
| ✓ 5 | 27/7/2019 | 4th Loopty Loop 12 Hour Ultra Trail Marathon | 82,72 | ×3 |
| ✓ 6 | 9/3/2024 | 10th Antelope Canyon 50 Mile Race | 80,47 | ×3 |
| ✓ 7 | 10/7/2020 | 1st 24 Hour Summer Stampede 12 Hour Ultra Race | 77,25 | ×2 |
| ✓ 8 | 12/4/2025 | 19th Kal-Haven Trail Run | 53,91 | ×2 |
| ✓ 9 | 7/10/2023 | 8th Yankee Springs Fall Trail Run Festival | 50,00 | ×1 |
| ✓ 10 | 7/1/2023 | 13th Yankee Springs 50 km Winter Challenge | 50,00 | ×1 |
| ✓ 11 | 23/4/2022 | 4th Traverse City Trail Running Festival 50 km Race | 50,00 | ×1 |