Brian Keintz
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.
Born : 1964
Cat. M60 Ultrarunner since 2008
13
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
United States50,1%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 514; Σ finishers = 1 025. 514 / 1 025 × 100 = 50.15%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races926 km
> 100 km2
> 160 km2
Longest race160,9 km
15th Long Haul 100 Mile Ultra-Marathons — 18/1/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 25.10 | 50km | 10th Gate2Gate Trail Race |
6:23:37 h | 26 |
| 22.03 | 33hr | 3rd Hungryland |
32:31:13 km | 16 |
| 22.02 | 50km | 10th Swamp 50 km Trail Race |
8:00:29 h | 10 |
| 18.01 | 100mi | 15th Long Haul 100 Mile Ultra-Marathons |
29:09:29 h | 111 |
| 2024 | ||||
| 26.10 | 50km | 9th Gate2Gate Trail Race |
6:47:10 h | 32 |
| 31.08 | 46mi | 11th Pinellas Trail Challenge |
12:38:46 h | 132 |
| 13.01 | 100mi | 14th Long Haul 100 Mile Ultra-Marathons |
28:37:47 h | 82 |
| 2020 | ||||
| 25.10 | 50km | 13th Jacks 50k Trail Race |
8:00:20 h | 37 |
| 2019 | ||||
| 27.04 | 50km | 7th Down to Run (DTR) Endurance Challenge |
7:37:36 h | 16 |
| 05.01 | 50km | 9th Croom Zoom 50 km Run |
5:56:38 h | 19 |
| 2017 | ||||
| 25.02 | 50mi | 1st Dunes 100 - 50-Mile Run |
12:35:42 h | 7 |
| 2016 | ||||
| 23.04 | 50km | 4th Down to Run (DTR) Endurance Challenge |
5:31:05 h | 18 |
| 2015 | ||||
| 04.04 | 50km | 21th Croom Trail 50K I'm Not A Fool Run |
4:57:07 h | 14 |
| 2008 | ||||
| 22.03 | 50km | 14th Croom Trail 50K I'm Not A Fool Run |
4:23:10 h | 8 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/1/2025 | 15th Long Haul 100 Mile Ultra-Marathons | 160,93 | ×6 |
| ✓ 2 | 13/1/2024 | 14th Long Haul 100 Mile Ultra-Marathons | 160,93 | ×6 |
| ✓ 3 | 25/2/2017 | 1st Dunes 100 - 50-Mile Run | 80,47 | ×3 |
| ✓ 4 | 31/8/2024 | 11th Pinellas Trail Challenge | 74,03 | ×2 |
| ✓ 5 | 25/10/2025 | 10th Gate2Gate Trail Race | 50,00 | ×1 |
| ✓ 6 | 22/2/2025 | 10th Swamp 50 km Trail Race | 50,00 | ×1 |
| ✓ 7 | 26/10/2024 | 9th Gate2Gate Trail Race | 50,00 | ×1 |
| ✓ 8 | 25/10/2020 | 13th Jacks 50k Trail Race | 50,00 | ×1 |
| ✓ 9 | 27/4/2019 | 7th Down to Run (DTR) Endurance Challenge | 50,00 | ×1 |
| ✓ 10 | 5/1/2019 | 9th Croom Zoom 50 km Run | 50,00 | ×1 |
| ✓ 11 | 23/4/2016 | 4th Down to Run (DTR) Endurance Challenge | 50,00 | ×1 |
| ✓ 12 | 4/4/2015 | 21th Croom Trail 50K I'm Not A Fool Run | 50,00 | ×1 |
| ✓ 13 | 22/3/2008 | 14th Croom Trail 50K I'm Not A Fool Run | 50,00 | ×1 |