Francois Marais
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15
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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 ?
South Africa
Switzerland
33,2%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 14 034; Σ finishers = 42 261. 14 034 / 42 261 × 100 = 33.21%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races947 km
Longest race100,0 km
5th Ultra Trail Drakensberg (UTD 100) — 23/4/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road39,3%
Trail60,7%
Records
HISTORY
15 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 23/4/2021 | 5th Ultra Trail Drakensberg (UTD 100) | 100,00 | ×3 |
| ✓ 2 | 29/5/2016 | 91st Comrades Marathon - Down Run | 89,00 | ×3 |
| ✓ 3 | 4/6/2017 | 92nd Comrades Marathon - Up Run | 87,00 | ×3 |
| ✓ 4 | 2/10/2021 | 3rd Maxi-Race Cape Winelands 75 km | 75,00 | ×2 |
| ✓ 5 | 25/4/2025 | 9th Ultra Trail Drakensberg - Giant’s Cup Uncut (GCU 62) | 65,00 | ×2 |
| ✓ 6 | 30/11/2019 | 6th Ultra-Trail Cape Town (UTCT) 65 km | 65,00 | ×2 |
| ✓ 7 | 1/12/2018 | 5th Ultra-Trail Cape Town (UTCT) 65 km | 65,00 | ×2 |
| ✓ 8 | 29/8/2019 | 5ème Orsières-Champex-Chamonix (OCC) | 55,00 | ×2 |
| ✓ 9 | 2/11/2019 | 23th Three Peaks Challenge | 50,00 | ×1 |
| ✓ 10 | 13/7/2019 | 6th Bastille Day Trail Run | 50,00 | ×1 |
| ✓ 11 | 11/8/2018 | 4th Magaliesberg Challenge | 50,00 | ×1 |
| ✓ 12 | 18/3/2017 | 27th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 13 | 12/3/2016 | 26th Om Die Dam 50km | 50,00 | ×1 |
| ✓ 14 | 2/4/2017 | Modern Athlete Irene Ultra | 48,00 | ×1 |
| ✓ 15 | 10/4/2016 | Modern Athlete Irene Ultra | 48,00 | ×1 |