Johannes Strydom
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Ultrarunner since 1979
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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 Africa49,2%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 6 861; Σ finishers = 13 933. 6 861 / 13 933 × 100 = 49.24%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races336 km
Longest race56,0 km
16th Two Oceans Marathon — 6/4/1985
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
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1985 | ||||
| 06.04 | 56km | 16th Two Oceans Marathon |
5:20:36 h | 2635 |
| 1984 | ||||
| 21.04 | 56km | 15th Two Oceans Marathon |
5:20:40 h | 2263 |
| 1983 | ||||
| 02.04 | 56km | 14th Two Oceans Marathon |
4:49:18 h | 1084 |
| 1982 | ||||
| 10.04 | 56km | 13th Two Oceans Marathon |
4:33:33 h | 654 |
| 1980 | ||||
| 05.04 | 56km | 11th Two Oceans Marathon |
3:54:17 h | 102 |
| 1979 | ||||
| 14.04 | 56km | 10th Two Oceans Marathon |
4:01:30 h | 129 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/4/1985 | 16th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 2 | 21/4/1984 | 15th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 3 | 2/4/1983 | 14th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 4 | 10/4/1982 | 13th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 5 | 5/4/1980 | 11th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 6 | 14/4/1979 | 10th Two Oceans Marathon | 56,00 | ×3 |