Halil Özkaya
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20
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
5
Countries visited ?
Spain
Italy
Romania
South Africa
Türkiye
30,8%
Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 2 151; Σ finishers = 6 988. 2 151 / 6 988 × 100 = 30.78%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed20
Km — ultra races1 403 km
> 100 km4
Longest race114,0 km
Bucovina Ultra Rocks by UTMB - Ultra Rocks — 24/7/2026
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
20 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 24/7/2026 | Bucovina Ultra Rocks by UTMB - Ultra Rocks | 114,00 | ×3 |
| ✓ 2 | 5/7/2024 | Val d'Aran by UTMB - Camins de Hèr | 110,00 | ×3 |
| ✓ 3 | 4/7/2025 | Val d'Aran by UTMB - CDH (Camins d'Hèr) | 102,00 | ×3 |
| ✓ 4 | 29/8/2025 | 19ème Courmayeur-Champex-Chamonix (CCC) | 101,00 | ×3 |
| ✓ 5 | 21/5/2022 | Orhangazi Ultra Marathon 90 km | 88,00 | ×2 |
| ✓ 6 | 19/4/2024 | Dikilitaş Ultra | 76,60 | ×2 |
| ✓ 7 | 30/11/2024 | 8th Ida Ultra | 66,00 | ×2 |
| ✓ 8 | 2/12/2023 | 7th Ida Half Ultra | 66,00 | ×2 |
| ✓ 9 | 22/7/2023 | Uludag Advanced Trail | 65,10 | ×2 |
| ✓ 10 | 23/7/2022 | Uludag Advanced Trail | 65,10 | ×2 |
| ✓ 11 | 14/10/2023 | 10th Cappadocia Medium Trail | 63,60 | ×1 |
| ✓ 12 | 15/10/2022 | 9th Cappadocia Medium Trail | 63,60 | ×1 |
| ✓ 13 | 23/4/2022 | Istanbul Ultra - 60 km | 59,20 | ×1 |
| ✓ 14 | 25/5/2024 | 3rd Mountain Ultra Trail by UTMB - MUT 60 | 59,00 | ×1 |
| ✓ 15 | 12/4/2019 | Narlica Mountain Marathon 55 km | 56,10 | ×1 |
| ✓ 16 | 23/6/2023 | 16^ Lavaredo Ultra Trail by UTMB - 50K | 50,00 | ×1 |
| ✓ 17 | 21/4/2018 | Iznik Ultra Marathon 50 km | 50,00 | ×1 |
| ✓ 18 | 16/4/2016 | Iznik Ultra Marathon 50 km | 50,00 | ×1 |
| ✓ 19 | 15/4/2023 | Muskule Mountain Marathon 50k | 49,00 | ×1 |
| ✓ 20 | 6/8/2021 | 9 Narlica Mountain Marathon 48 km | 48,60 | ×1 |