James Brinsfield
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Born : 1984
Cat. M40 Ultrarunner since 2009
16
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
United States59,4%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 1 654; Σ finishers = 2 785. 1 654 / 2 785 × 100 = 59.39%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races875 km
Longest race80,5 km
9th Stone Mill 50 Mile Run — 17/11/2018
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2020 | ||||
| 15.02 | 50km | 25th Holiday Lake 50K++ |
5:59:32 h | 116 |
| 2019 | ||||
| 08.06 | 40mi | 16th Highlands Sky 40M Trail Run |
9:25:42 h | 73 |
| 18.05 | 50km | 5th Quest for the Crest 50k |
12:39:47 h | 95 |
| 16.02 | 50km | 24th Holiday Lake 50K++ |
6:07:19 h | 63 |
| 2018 | ||||
| 17.11 | 50mi | 9th Stone Mill 50 Mile Run |
11:24:49 h | 90 |
| 27.10 | 50km | 12th Goblin Valley Ultra 50k |
6:04:46 h | 14 |
| 14.07 | 50km | 23rd Catoctin 50k Trail Run |
9:11:54 h | 124 |
| 24.03 | 50km | 30th The HAT Run 50K |
6:44:39 h | 188 |
| 2017 | ||||
| 03.06 | 50mi | 5th Cayuga Trails 50 Mile Race |
12:45:37 h | 116 |
| 20.05 | 50km | 3rd Quest for the Crest 50k |
12:36:29 h | 105 |
| 06.05 | 50km | 2nd Grayson Highlands 50km Race |
8:04:44 h | 132 |
| 18.03 | 50km | 29th The HAT Run 50K |
6:58:14 h | 184 |
| 2016 | ||||
| 19.11 | 50km | 6th Duncan Ridge Trail 50 km Race |
8:58:30 h | 25 |
| 27.08 | 50km | 3rd MD Heat Trail Race |
8:34:24 h | 46 |
| 19.03 | 50km | 28th The HAT Run 50K |
6:47:08 h | 208 |
| 2009 | ||||
| 28.03 | 50km | 5th Bel Monte 50 km Endurance Run |
8:29:36 h | 91 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 17/11/2018 | 9th Stone Mill 50 Mile Run | 80,47 | ×3 |
| ✓ 2 | 3/6/2017 | 5th Cayuga Trails 50 Mile Race | 80,47 | ×3 |
| ✓ 3 | 8/6/2019 | 16th Highlands Sky 40M Trail Run | 64,37 | ×2 |
| ✓ 4 | 15/2/2020 | 25th Holiday Lake 50K++ | 50,00 | ×2 |
| ✓ 5 | 18/5/2019 | 5th Quest for the Crest 50k | 50,00 | ×2 |
| ✓ 6 | 16/2/2019 | 24th Holiday Lake 50K++ | 50,00 | ×2 |
| ✓ 7 | 27/10/2018 | 12th Goblin Valley Ultra 50k | 50,00 | ×2 |
| ✓ 8 | 14/7/2018 | 23rd Catoctin 50k Trail Run | 50,00 | ×2 |
| ✓ 9 | 24/3/2018 | 30th The HAT Run 50K | 50,00 | ×2 |
| ✓ 10 | 20/5/2017 | 3rd Quest for the Crest 50k | 50,00 | ×2 |
| ✓ 11 | 6/5/2017 | 2nd Grayson Highlands 50km Race | 50,00 | ×2 |
| ✓ 12 | 18/3/2017 | 29th The HAT Run 50K | 50,00 | ×2 |
| ✓ 13 | 19/11/2016 | 6th Duncan Ridge Trail 50 km Race | 50,00 | ×2 |
| ✓ 14 | 27/8/2016 | 3rd MD Heat Trail Race | 50,00 | ×2 |
| ✓ 15 | 19/3/2016 | 28th The HAT Run 50K | 50,00 | ×2 |
| ✓ 16 | 28/3/2009 | 5th Bel Monte 50 km Endurance Run | 50,00 | ×2 |