Basil Henderson
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Born : 1950
Cat. M75 Ultrarunner since 1982
15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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 Africa8,8%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 10 800; Σ finishers = 123 048. 10 800 / 123 048 × 100 = 8.78%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 256 km
Longest race91,0 km
57th Comrades Marathon - Down Run — 31/5/1982
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road96,0%
Trail4,0%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2001 | ||||
| 01.09 | 50km | 9. Mont-Aux-Sources 50km Challenge |
7:42:35 h | 174 |
| 1997 | ||||
| 16.06 | 89km | 72nd Comrades Marathon - Down Run |
7:32:57 h | 975 |
| 1996 | ||||
| 17.06 | 87km | 71st Comrades Marathon - Up Run |
7:48:21 h | 1189 |
| 1995 | ||||
| 20.05 | 89km | 70th Comrades Marathon - Down Run |
8:45:49 h | 2306 |
| 1991 | ||||
| 31.05 | 89km | 66th Comrades Marathon - Down Run |
7:55:06 h | 1608 |
| 1990 | ||||
| 31.05 | 87km road race | 65th Comrades Marathon - Up Run |
7:16:58 h | 520 |
| 1989 | ||||
| 31.05 | 89km | 64th Comrades Marathon - Down Run |
7:00:55 h | 324 |
| 1988 | ||||
| 31.05 | 87km | 63rd Comrades Marathon - Up Run |
7:22:53 h | 747 |
| 1987 | ||||
| 31.05 | 87km | 62nd Comrades Marathon - Up Run |
6:32:03 h | 69 |
| 1986 | ||||
| 31.05 | 89km | 61st Comrades Marathon - Down Run |
6:25:44 h | 96 |
| 1985 | ||||
| 31.05 | 88km | 60th Comrades Marathon - Up Run |
6:44:56 h | 94 |
| 1984 | ||||
| 01.06 | 90km | 59th Comrades Marathon - Down Run |
7:04:50 h | 348 |
| 21.04 | 56km | 15th Two Oceans Marathon |
3:43:32 h | 64 |
| 1983 | ||||
| 31.05 | 88km | 58th Comrades Marathon - Up Run |
7:07:49 h | 241 |
| 1982 | ||||
| 31.05 | 91km | 57th Comrades Marathon - Down Run |
9:00:04 h | 2060 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 31/5/1982 | 57th Comrades Marathon - Down Run | 91,00 | ×3 |
| ✓ 2 | 1/6/1984 | 59th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 3 | 16/6/1997 | 72nd Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 4 | 20/5/1995 | 70th Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 5 | 31/5/1991 | 66th Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 6 | 31/5/1989 | 64th Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 7 | 31/5/1986 | 61st Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 8 | 31/5/1985 | 60th Comrades Marathon - Up Run | 88,00 | ×2 |
| ✓ 9 | 31/5/1983 | 58th Comrades Marathon - Up Run | 88,00 | ×2 |
| ✓ 10 | 17/6/1996 | 71st Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 11 | 31/5/1990 | 65th Comrades Marathon - Up Run (RSA) | 87,00 | ×2 |
| ✓ 12 | 31/5/1988 | 63rd Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 13 | 31/5/1987 | 62nd Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 14 | 21/4/1984 | 15th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 15 | 1/9/2001 | 9. Mont-Aux-Sources 50km Challenge | 50,00 | ×1 |