Jacobus Kriel
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Ultrarunner since 1978
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
12
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 Africa62,7%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 1 891; Σ finishers = 3 017. 1 891 / 3 017 × 100 = 62.68%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races168 km
Longest race56,0 km
11th Two Oceans Marathon — 5/4/1980
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
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1980 | ||||
| 05.04 | 56km | 11th Two Oceans Marathon |
5:12:26 h | 963 |
| 1979 | ||||
| 14.04 | 56km | 10th Two Oceans Marathon |
4:50:03 h | 485 |
| 1978 | ||||
| 25.03 | 56km | 9th Two Oceans Marathon |
5:09:10 h | 446 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/4/1980 | 11th Two Oceans Marathon | 56,00 | ×4 |
| ✓ 2 | 14/4/1979 | 10th Two Oceans Marathon | 56,00 | ×4 |
| ✓ 3 | 25/3/1978 | 9th Two Oceans Marathon | 56,00 | ×4 |