Jack Rowe
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Born : 1936
Cat. M90 Ultrarunner since 1955
10
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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 ?South Africa
South Africa79,7%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 36 397; Σ finishers = 45 657. 36 397 / 45 657 × 100 = 79.72%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races838 km
> 100 km1
> 24h1
Longest race120,0 km
Randburg 24 Hour Circuit Race — 7/4/2006
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 31
🏅 Top 3 M1
Longest winning streak0
Current streak0
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2008 | ||||
| 26.07 | 12h | 13th Longest Day 12 Hour Track Race |
81.790 km | 58 |
| 2007 | ||||
| 17.02 | 12h | 12 hour Circuit Race, Night |
60.000 km | 44 |
| 2006 | ||||
| 26.08 | 12h | 5th Akasia Dawn2Dusk 12h Run |
80.000 km | 39 |
| 07.04 | 24h | Randburg 24 Hour Circuit Race |
120.000 km | 3 🥉 |
| 2005 | ||||
| 26.02 | 50km | Paul Selby Circuit Race 50km Challenge |
6:58:01 h | 22 |
| 2003 | ||||
| 16.06 | 89km road race | 78th Comrades Marathon - Down Run |
11:48:04 h | 10841 |
| 1995 | ||||
| 20.05 | 89km | 70th Comrades Marathon - Down Run |
10:51:29 h | 9333 |
| 1993 | ||||
| 31.05 | 89km | 68th Comrades Marathon - Down Run |
10:40:33 h | 9371 |
| 1991 | ||||
| 31.05 | 89km | 66th Comrades Marathon - Down Run |
9:51:55 h | 6640 |
| 1955 | ||||
| 31.05 | 90km | 30th Comrades Marathon - Down Run |
10:24:30 h | 56 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 7/4/2006 | Randburg 24 Hour Circuit Race | 120,00 | ×4 |
| ✓ 2 | 31/5/1955 | 30th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 3 | 16/6/2003 | 78th Comrades Marathon - Down Run (RSA) | 89,00 | ×3 |
| ✓ 4 | 20/5/1995 | 70th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 5 | 31/5/1993 | 68th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 6 | 31/5/1991 | 66th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 7 | 26/7/2008 | 13th Longest Day 12 Hour Track Race | 81,79 | ×3 |
| ✓ 8 | 26/8/2006 | 5th Akasia Dawn2Dusk 12h Run | 80,00 | ×2 |
| ✓ 9 | 17/2/2007 | 12 hour Circuit Race, Night | 60,00 | ×2 |
| ✓ 10 | 26/2/2005 | Paul Selby Circuit Race 50km Challenge | 50,00 | ×1 |