Ischke Lambrechts
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14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
28
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
56,6%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 70 831; Σ finishers = 125 069. 70 831 / 125 069 × 100 = 56.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races920 km
Longest race90,0 km
98th Comrades Marathon - Down Run — 8/6/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
14 race(s) · 5 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/6/2025 | 98th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 2 | 28/8/2022 | 95th Comrades Marathon - Down Run | 90,00 | ×3 |
| ✓ 3 | 9/6/2024 | 97th Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 4 | 11/6/2023 | 96th Comrades Marathon - Down Run | 87,00 | ×3 |
| ✓ 5 | 14/6/2026 | 99th Comrades Marathon - Up Run | 86,00 | ×3 |
| ✓ 6 | 5/4/2026 | 56th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 7 | 6/4/2025 | 55th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 8 | 13/4/2024 | 54th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 9 | 15/4/2023 | 53th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 10 | 16/4/2022 | 52th Two Oceans Marathon | 56,00 | ×2 |
| ✓ 11 | 3/5/2025 | 42th Bruintjieshoogte Ultra Marathon 50km | 50,00 | ×1 |
| ✓ 12 | 1/2/2025 | 1st NMB Gqeberha Ultra | 50,00 | ×1 |
| ✓ 13 | 25/2/2024 | 4th 50km Nedbank Ultra Marathon Runified | 50,00 | ×1 |
| ✓ 14 | 1/2/2020 | Bay Ultra 50 km | 50,00 | ×1 |