Gert van Zyl
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Born : 1944
Cat. M80 Ultrarunner since 1977
3
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
16
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 Africa68,8%
Rank quotient ?This runner's calculation uses 3 eligible race(s): Σ(rank − 1) = 2 033; Σ finishers = 2 953. 2 033 / 2 953 × 100 = 68.85%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed3
Km — ultra races273 km
> 100 km1
> 160 km1
Longest race160,9 km
1st Washie 100 Miler — 1/7/1977
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
3 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 1981 | ||||
| 18.04 | 56km | 12th Two Oceans Marathon |
4:59:47 h | 951 |
| 1980 | ||||
| 05.04 | 56km | 11th Two Oceans Marathon |
5:22:43 h | 1074 |
| 1977 | ||||
| 01.07 | 100mi | 1st Washie 100 Miler |
23:57:21 h | 11 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/7/1977 | 1st Washie 100 Miler | 160,93 | ×10 |
| ✓ 2 | 18/4/1981 | 12th Two Oceans Marathon | 56,00 | ×3 |
| ✓ 3 | 5/4/1980 | 11th Two Oceans Marathon | 56,00 | ×3 |