Debra Ann Naidoo
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Born : 1972
Cat. W50 Ultrarunner since 2011
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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 Africa80,0%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 89 542; Σ finishers = 111 917. 89 542 / 111 917 × 100 = 80.01%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 052 km
Longest race90,0 km
98th Comrades Marathon - Down Run — 8/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 08.06 | 90km | 98th Comrades Marathon - Down Run |
11:52:32 h | 16861 |
| 2023 | ||||
| 11.06 | 87km | 96th Comrades Marathon - Down Run |
11:02:45 h | 10820 |
| 2022 | ||||
| 28.08 | 90km | 95th Comrades Marathon - Down Run |
11:22:49 h | 8669 |
| 2019 | ||||
| 09.06 | 87km | 94th Comrades Marathon - Up Run |
11:43:09 h | 13787 |
| 2016 | ||||
| 24.04 | 52km | 6th Chatsworth Freedom Ultramarathon 52 km |
6:43:53 h | 928 |
| 2015 | ||||
| 31.05 | 87km | 90th Comrades Marathon - Up Run |
11:37:17 h | 9844 |
| 19.04 | 52km | 5th Chatsworth Freedom Ultramarathon 52 km |
6:20:02 h | 719 |
| 2014 | ||||
| 01.06 | 89km | 89th Comrades Marathon - Down Run |
11:51:17 h | 11089 |
| 27.04 | 52km | 4th Chatsworth Freedom Ultramarathon 52 km |
6:28:44 h | 1017 |
| 2013 | ||||
| 27.07 | 12h | 18th Longest Day 12 Hour Track Race |
88.242 km | 14 |
| 02.06 | 87km road race | 88th Comrades Marathon - Up Run |
11:43:20 h | 8206 |
| 2012 | ||||
| 03.06 | 89km road race | 87th Comrades Marathon - Down Run |
10:45:28 h | 6823 |
| 22.04 | 52km | 2nd Chatsworth Freedom Ultramarathon 52 km |
5:58:59 h | 666 |
| 2011 | ||||
| 04.09 | 50km | Dolphin Coast Striders Ultra |
6:20:21 h | 113 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/6/2025 | 98th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 2 | 28/8/2022 | 95th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 3 | 1/6/2014 | 89th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 4 | 3/6/2012 | 87th Comrades Marathon - Down Run (RSA) | 89,00 | ×3 |
| ✓ 5 | 27/7/2013 | 18th Longest Day 12 Hour Track Race | 88,24 | ×3 |
| ✓ 6 | 11/6/2023 | 96th Comrades Marathon - Down Run | 87,00 | ×3 |
| ✓ 7 | 9/6/2019 | 94th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 8 | 31/5/2015 | 90th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 9 | 2/6/2013 | 88th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 10 | 24/4/2016 | 6th Chatsworth Freedom Ultramarathon 52 km | 52,00 | ×1 |
| ✓ 11 | 19/4/2015 | 5th Chatsworth Freedom Ultramarathon 52 km | 52,00 | ×1 |
| ✓ 12 | 27/4/2014 | 4th Chatsworth Freedom Ultramarathon 52 km | 52,00 | ×1 |
| ✓ 13 | 22/4/2012 | 2nd Chatsworth Freedom Ultramarathon 52 km | 52,00 | ×1 |
| ✓ 14 | 4/9/2011 | Dolphin Coast Striders Ultra | 50,00 | ×1 |