Jacek Bosacki
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
7
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
24
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 ?
Poland
26,2%
Rank quotient ?This runner's calculation uses 7 eligible race(s): Σ(rank − 1) = 385; Σ finishers = 1 471. 385 / 1 471 × 100 = 26.17%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed7
Km — ultra races634 km
> 100 km4
> 160 km1
Longest race160,9 km
V. GWINT Ultra Cross 100 Mil — 10/5/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
7 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 10.05 | 100mi | 26:26:36 h | 51 | |
| 2018 | ||||
| 12.05 | 110km | 16:24:54 h | 49 | |
| 2017 | ||||
| 25.02 | 103km | 10:57:03 h | 17 | |
| 2016 | ||||
| 25.06 | 50km | 8:02:16 h | 155 | |
| 07.05 | 55km | 5:58:11 h | 26 | |
| 27.02 | 103km | 11:36:41 h | 25 | |
| 2015 | ||||
| 11.10 | 52km | 5:51:12 h | 69 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 10/5/2019 | V. GWINT Ultra Cross 100 Mil | 160,93 | ×6 |
| ✓ 2 | 12/5/2018 | V. GWINT Ultra Cross 110 km | 110,00 | ×4 |
| ✓ 3 | 25/2/2017 | III. Zielonogórski Ultramaraton Nowe Granice | 103,00 | ×4 |
| ✓ 4 | 27/2/2016 | II. Zielonogórski Ultramaraton | 103,00 | ×4 |
| ✓ 5 | 7/5/2016 | III. GWINT Ultra Cross 55 km | 55,00 | ×2 |
| ✓ 6 | 11/10/2015 | Ultra Maraton Bieszczadzki | 52,00 | ×2 |
| ✓ 7 | 25/6/2016 | VII. Supermaraton Gor Stolowych | 50,00 | ×2 |