Jason Adams
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.
12
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
1
Countries visited ?
United States
71,9%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 743; Σ finishers = 1 033. 743 / 1 033 × 100 = 71.93%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races771 km
Longest race100,0 km
1st The Longest Light (USA) — 20/6/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road6,5%
Trail93,5%
Wins & podiums (ultra)
🏆 Win1
🏆 Win M2
🏅 Top 32
🏅 Top 3 M2
Longest winning streak1
Current streak0
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 20.06 | 100km trail race | 23:30:00 h | 2 🥈 | |
| 2025 | ||||
| 18.10 | 30mi | 6:06:34 h | 1 🏆 | |
| 30.08 | 12h | 50.855 km | 8 | |
| 27.04 | 50km | 7:10:48 h | 40 | |
| 21.03 | 50mi | 16:39:20 h | 122 | |
| 2024 | ||||
| 28.09 | 50km | 7:42:00 h | 20 | |
| 22.03 | 50mi | 14:00:51 h | 87 | |
| 2020 | ||||
| 14.03 | 50km | 7:53:23 h | 41 | |
| 2019 | ||||
| 14.09 | 50mi | 14:15:58 h | 121 | |
| 11.05 | 50mi | 11:13:09 h | 270 | |
| 13.04 | 50km | 6:29:08 h | 9 | |
| 2018 | ||||
| 12.05 | 50km | 8:19:00 h | 34 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/6/2026 | 1st The Longest Light (USA) | 100,00 | ×4 |
| ✓ 2 | 21/3/2025 | 15th Badger Mountain 50 Mile Challenge | 80,47 | ×3 |
| ✓ 3 | 22/3/2024 | 14th Badger Mountain 50 Mile Challenge | 80,47 | ×3 |
| ✓ 4 | 14/9/2019 | 13th Run Rabbit Run 50 Mile Endurance Run | 80,47 | ×3 |
| ✓ 5 | 11/5/2019 | 38th Ice Age Trail 50 Mile Run | 80,47 | ×3 |
| ✓ 6 | 30/8/2025 | 1st Zero Dark Ultra | 50,86 | ×2 |
| ✓ 7 | 27/4/2025 | 20th Spokane River Run 50K | 50,00 | ×2 |
| ✓ 8 | 28/9/2024 | 2nd Gone Fir A Run 50K | 50,00 | ×2 |
| ✓ 9 | 14/3/2020 | 16th Bel Monte 50 km Endurance Run | 50,00 | ×2 |
| ✓ 10 | 13/4/2019 | 3rd Hungry Mother 50K | 50,00 | ×2 |
| ✓ 11 | 12/5/2018 | 8th Ultra Race of Champions (UROC) 50K | 50,00 | ×2 |
| ✓ 12 | 18/10/2025 | 1st River Ridge Ultra | 48,28 | ×1 |