Grant Kirkbride
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Born : 1968
Cat. M55 Ultrarunner since 1995
11
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 Africa63,5%
Rank quotient ?This runner's calculation uses 11 eligible race(s): Σ(rank − 1) = 67 099; Σ finishers = 105 657. 67 099 / 105 657 × 100 = 63.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed11
Km — ultra races891 km
Longest race89,0 km
76th Comrades Marathon - Down Run (RSA) — 16/6/2001
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road88,8%
Trail11,2%
Records
HISTORY
11 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2004 | ||||
| 16.06 | 87km road race | 79th Comrades Marathon - Up Run |
10:24:47 h | 5320 |
| 2002 | ||||
| 14.09 | 50km | 10. Mont-Aux-Sources 50km Challenge |
8:30:33 h | 133 |
| 17.06 | 87km road race | 77th Comrades Marathon - Up Run |
10:41:42 h | 7063 |
| 2001 | ||||
| 01.09 | 50km | 9. Mont-Aux-Sources 50km Challenge |
7:21:09 h | 142 |
| 16.06 | 89km road race | 76th Comrades Marathon - Down Run |
10:42:05 h | 8578 |
| 2000 | ||||
| 16.06 | 87km road race | 75th Comrades Marathon - Up Run |
10:42:48 h | 10566 |
| 1999 | ||||
| 16.06 | 89km | 74th Comrades Marathon - Down Run |
10:42:51 h | 9211 |
| 1998 | ||||
| 16.06 | 87km | 73rd Comrades Marathon - Up Run |
10:38:40 h | 7992 |
| 1997 | ||||
| 16.06 | 89km | 72nd Comrades Marathon - Down Run |
10:06:36 h | 6426 |
| 1996 | ||||
| 17.06 | 87km | 71st Comrades Marathon - Up Run |
9:50:40 h | 5863 |
| 1995 | ||||
| 20.05 | 89km | 70th Comrades Marathon - Down Run |
10:11:37 h | 5816 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 16/6/2001 | 76th Comrades Marathon - Down Run (RSA) | 89,00 | ×3 |
| ✓ 2 | 16/6/1999 | 74th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 3 | 16/6/1997 | 72nd Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 4 | 20/5/1995 | 70th Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 5 | 16/6/2004 | 79th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 6 | 17/6/2002 | 77th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 7 | 16/6/2000 | 75th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 8 | 16/6/1998 | 73rd Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 9 | 17/6/1996 | 71st Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 10 | 14/9/2002 | 10. Mont-Aux-Sources 50km Challenge | 50,00 | ×1 |
| ✓ 11 | 1/9/2001 | 9. Mont-Aux-Sources 50km Challenge | 50,00 | ×1 |