Justin Johnson
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Born : 1980
Cat. M45 Ultrarunner since 2011
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
20
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 States62,4%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 420; Σ finishers = 673. 420 / 673 × 100 = 62.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races486 km
> 100 km1
> 160 km1
> 24h1
> 48h1
Longest race160,9 km
2nd A Race for the Ages — 1/9/2016
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road33,1%
Trail66,9%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 01.11 | 50mi | 9th Natchez Trace Trail Run |
12:42:38 h | 22 |
| 2016 | ||||
| 01.09 | 85h | 2nd A Race for the Ages |
160.934 km | 96 |
| 2012 | ||||
| 10.11 | 50km | 5th Upchuck 50K Trail Running Race |
8:04:09 h | 55 |
| 05.05 | 40mi | 34th Strolling Jim 40 Mile |
7:56:14 h | 51 |
| 25.02 | 50km | 7th Mount Cheaha 50K UltraMarathon Race |
6:58:51 h | 86 |
| 2011 | ||||
| 17.12 | 50mi | 4th Lookout Mountain 50 Mile Race |
12:38:50 h | 116 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/9/2016 | 2nd A Race for the Ages | 160,93 | ×8 |
| ✓ 2 | 1/11/2025 | 9th Natchez Trace Trail Run | 80,47 | ×4 |
| ✓ 3 | 17/12/2011 | 4th Lookout Mountain 50 Mile Race | 80,47 | ×4 |
| ✓ 4 | 5/5/2012 | 34th Strolling Jim 40 Mile | 64,37 | ×3 |
| ✓ 5 | 10/11/2012 | 5th Upchuck 50K Trail Running Race | 50,00 | ×2 |
| ✓ 6 | 25/2/2012 | 7th Mount Cheaha 50K UltraMarathon Race | 50,00 | ×2 |