Corne Jacobus van Zyl
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16
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
2
Countries visited ?
Lesotho
South Africa
55,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 32 946; Σ finishers = 59 863. 32 946 / 59 863 × 100 = 55.04%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 367 km
> 100 km3
> 160 km3
Longest race163,0 km
5th Ultra Trail Drakensberg (UTD 160) — 23/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road31,1%
Trail68,9%
HISTORY
16 race(s) · 2 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/4/2021 | 5th Ultra Trail Drakensberg (UTD 160) | 163,00 | ×5 |
| ✓ 2 | 24/9/2021 | 5th Karkloof 100 - 100 Mile Endurance Foot Race | 160,93 | ×5 |
| ✓ 3 | 22/9/2017 | 1st Karkloof 100 - 100 Mile Endurance Foot Race | 160,93 | ×5 |
| ✓ 4 | 17/11/2018 | 11th SkyRun 100 km | 100,00 | ×3 |
| ✓ 5 | 29/5/2016 | 91st Comrades Marathon - Down Run | 89,00 | ×2 |
| ✓ 6 | 4/6/2017 | 92nd Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 7 | 31/5/2015 | 90th Comrades Marathon - Up Run | 87,00 | ×2 |
| ✓ 8 | 21/9/2019 | 3rd Karkloof 100 - 50 Mile Endurance Foot Race | 80,47 | ×2 |
| ✓ 9 | 22/9/2018 | 2nd Karkloof 100 - 50 Mile Endurance Foot Race | 80,47 | ×2 |
| ✓ 10 | 26/3/2016 | 47th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 11 | 4/4/2015 | 46th Two Oceans Marathon | 56,00 | ×1 |
| ✓ 12 | 11/8/2018 | 4th Magaliesberg Challenge | 50,00 | ×1 |
| ✓ 13 | 12/8/2017 | 3rd Magaliesberg Challenge | 50,00 | ×1 |
| ✓ 14 | 1/5/2017 | 2nd Hibiscus Coast Challenge | 50,00 | ×1 |
| ✓ 15 | 26/11/2016 | 4th Lesotho Ultra Trail | 50,00 | ×1 |
| ✓ 16 | 20/5/2023 | 5th Mac Mac Ultra 46 km | 46,00 | ×1 |