Justin Opitz
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17
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
27,2%
Rank quotient ?This runner's calculation uses 17 eligible race(s): Σ(rank − 1) = 7 856; Σ finishers = 28 865. 7 856 / 28 865 × 100 = 27.22%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed17
Km — ultra races1 074 km
Longest race87,0 km
88th Comrades Marathon - Up Run (RSA) — 2/6/2013
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road23,2%
Trail69,3%
Elim.7,5%
Records
HISTORY
17 race(s) · 2 split(s) nested| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/6/2013 | 88th Comrades Marathon - Up Run (RSA) | 87,00 | ×3 |
| ✓ 2 | 28/5/2022 | 1st Helderberg Farm Backyard Ultra | 80,47 | ×2 |
| ✓ 3 | 30/9/2023 | 5th Maxi-Race Cape Winelands 75 km | 75,00 | ×2 |
| ✓ 4 | 12/12/2020 | 2nd Maxi-Race Cape Winelands 75 km | 75,00 | ×2 |
| ✓ 5 | 18/8/2018 | 24th PUFfeR - Peninsula Ultra Fun Run | 75,00 | ×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 | 2/12/2017 | 4th Ultra-Trail Cape Town (UTCT) 65 km | 65,00 | ×2 |
| ✓ 9 | 10/12/2016 | 3rd Ultra-Trail Cape Town (UTCT) 65 km | 65,00 | ×2 |
| ✓ 10 | 30/3/2013 | 44th Two Oceans Marathon (RSA) | 56,00 | ×2 |
| ✓ 11 | 7/4/2012 | 43rd Two Oceans Marathon (RSA) | 56,00 | ×2 |
| ✓ 12 | 3/11/2018 | 22th Three Peaks Challenge | 55,00 | ×1 |
| ✓ 13 | 27/9/2015 | 2. Marloth Mountain Challenge | 55,00 | ×1 |
| ✓ 14 | 2/11/2019 | 23th Three Peaks Challenge | 50,00 | ×1 |
| ✓ 15 | 14/7/2018 | 5th Bastille Day Trail Run | 50,00 | ×1 |
| ✓ 16 | 11/6/2017 | 3rd The Beast Ultra Trail Run | 50,00 | ×1 |
| ✓ 17 | 29/9/2013 | City2City Ultra Marathon | 50,00 | ×1 |