Johan Ras
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Born : 1946
Cat. M80 Ultrarunner since 1979
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 Africa71,4%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 46 219; Σ finishers = 64 757. 46 219 / 64 757 × 100 = 71.37%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 047 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)
Road100,0%
Records
No record for a classic ultra format
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1987 | ||||
| 31.05 | 87km | 62nd Comrades Marathon - Up Run |
10:38:28 h | 6837 |
| 18.04 | 56km | 18th Two Oceans Marathon |
5:29:58 h | 3595 |
| 1986 | ||||
| 29.03 | 56km | 17th Two Oceans Marathon |
5:52:11 h | 4302 |
| 1985 | ||||
| 31.05 | 88km | 60th Comrades Marathon - Up Run |
10:27:52 h | 6450 |
| 06.04 | 56km | 16th Two Oceans Marathon |
5:39:09 h | 3261 |
| 1984 | ||||
| 01.06 | 90km | 59th Comrades Marathon - Down Run |
9:47:05 h | 4499 |
| 21.04 | 56km | 15th Two Oceans Marathon |
5:19:26 h | 2233 |
| 1983 | ||||
| 31.05 | 88km | 58th Comrades Marathon - Up Run |
9:16:25 h | 2460 |
| 02.04 | 56km | 14th Two Oceans Marathon |
4:54:44 h | 1207 |
| 1982 | ||||
| 31.05 | 91km | 57th Comrades Marathon - Down Run |
9:42:14 h | 2936 |
| 1981 | ||||
| 01.06 | 90km | 56th Comrades Marathon - Up Run |
10:11:37 h | 2813 |
| 1980 | ||||
| 31.05 | 90km | 55th Comrades Marathon - Down Run |
9:30:00 h | 2477 |
| 05.04 | 56km | 11th Two Oceans Marathon |
5:23:58 h | 1096 |
| 1979 | ||||
| 31.05 | 87km | 54th Comrades Marathon - Up Run |
9:51:34 h | 2067 |
| 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 | 1/6/1981 | 56th Comrades Marathon - Up Run | 90,00 | ×3 |
| ✓ 4 | 31/5/1980 | 55th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 5 | 31/5/1985 | 60th Comrades Marathon - Up Run | 88,00 | ×3 |
| ✓ 6 | 31/5/1983 | 58th Comrades Marathon - Up Run | 88,00 | ×3 |
| ✓ 7 | 31/5/1987 | 62nd Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 8 | 31/5/1979 | 54th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 9 | 18/4/1987 | 18th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 10 | 29/3/1986 | 17th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 11 | 6/4/1985 | 16th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 12 | 21/4/1984 | 15th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 13 | 2/4/1983 | 14th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 14 | 5/4/1980 | 11th Two Oceans Marathon | 56,00 | ×1 |