Janusz Kostka
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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.
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
4
Countries visited ?
Spain
Italy
Poland
Ukraine
49,3%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 2 675; Σ finishers = 5 429. 2 675 / 5 429 × 100 = 49.27%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races946 km
Longest race100,0 km
6. Bieg 7 dolin - 100 km Ultramaraton — 11/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 24.05 | 46km | 7:03:29 h | 65 | |
| 2024 | ||||
| 12.05 | 47km | 5:38:29 h | 47 | |
| 2022 | ||||
| 01.05 | 55km | 9:36:43 h | 113 | |
| 2019 | ||||
| 12.10 | 48km | 5:02:22 h | 26 | |
| 17.08 | 63km | 7:17:08 h | 15 | |
| 2018 | ||||
| 13.10 | 48km | 5:34:56 h | 53 | |
| 07.07 | 45km | 6:11:12 h | 8 | |
| 24.03 | 73km | 10:04:19 h | 63 | |
| 2017 | ||||
| 14.10 | 48km | 6:23:50 h | 165 | |
| 29.07 | 70km | 15:36:16 h | 430 | |
| 2016 | ||||
| 05.03 | 83km | 15:00:28 h | 297 | |
| 2015 | ||||
| 11.10 | 52km | 7:33:38 h | 459 | |
| 11.09 | 100km | 16:24:30 h | 392 | |
| 2014 | ||||
| 25.10 | 69km | 11:06:21 h | 128 | |
| 12.10 | 52km | 7:14:53 h | 244 | |
| 2013 | ||||
| 13.10 | 47km | 7:02:31 h | 186 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 11/9/2015 | 6. Bieg 7 dolin - 100 km Ultramaraton | 100,00 | ×3 |
| ✓ 2 | 5/3/2016 | Transgrancanaria advanced 83 km | 83,00 | ×3 |
| ✓ 3 | 24/3/2018 | 1^ Chianti Ultra Trail | 73,00 | ×2 |
| ✓ 4 | 29/7/2017 | Gran Trail Orobie | 70,00 | ×2 |
| ✓ 5 | 25/10/2014 | 1. Lemkowyna Ultra Trail 70 | 69,00 | ×2 |
| ✓ 6 | 17/8/2019 | Magurski Ultramarathon 63km | 63,00 | ×2 |
| ✓ 7 | 1/5/2022 | 9^ LMIT – Lago Maggiore International Trail | 55,00 | ×2 |
| ✓ 8 | 11/10/2015 | Ultra Maraton Bieszczadzki | 52,00 | ×2 |
| ✓ 9 | 12/10/2014 | Ultra Maraton Bieszczadzki | 52,00 | ×2 |
| ✓ 10 | 12/10/2019 | 6. Lemkowyna Ultra Trail 48 | 48,00 | ×1 |
| ✓ 11 | 13/10/2018 | 5. Lemkowyna Ultra Trail 48 | 48,00 | ×1 |
| ✓ 12 | 14/10/2017 | 4. Lemkowyna Ultra Trail 48 | 48,00 | ×1 |
| ✓ 13 | 12/5/2024 | Chianti Classico Marathon Ultra Trail | 47,00 | ×1 |
| ✓ 14 | 13/10/2013 | Ultra Maraton Bieszczadzki | 47,00 | ×1 |
| ✓ 15 | 24/5/2025 | Jaga-Kora Kurier | 46,00 | ×1 |
| ✓ 16 | 7/7/2018 | Bojkotrail 45km | 45,00 | ×1 |