Jan Machac
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12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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 ?
Czechia
Italy
52,7%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 279; Σ finishers = 4 324. 2 279 / 4 324 × 100 = 52.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races1 330 km
> 100 km7
Longest race145,0 km
10ème Sur les Traces des Ducs de Savoie (TDS) — 28/8/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 10.11 | 111.6km | 18:52:18 h | 16 | |
| 23.06 | 120km | 26:42:45 h | 994 | |
| 2022 | ||||
| 23.09 | 100km | 16:23:37 h | 51 | |
| 2019 | ||||
| 07.12 | 135km | 21:51:18 h | 51 | |
| 28.08 | 145km | 37:00:56 h | 610 | |
| 14.06 | 100km | 16:48:45 h | 57 | |
| 2018 | ||||
| 14.12 | 125km | 22:13:35 h | 81 | |
| 15.06 | 100km | 14:10:42 h | 57 | |
| 2017 | ||||
| 09.12 | 106km | 27:25:28 h | 36 | |
| 16.06 | 100km | 18:41:02 h | 205 | |
| 05.05 | 103km | 21:50:00 h | 93 | |
| 2016 | ||||
| 10.12 | 84km | 17:53:21 h | 40 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/8/2019 | 10ème Sur les Traces des Ducs de Savoie (TDS) | 145,00 | ×4 |
| ✓ 2 | 7/12/2019 | 26. Prazska Stovka - Prager Ultratrail 135km | 135,00 | ×4 |
| ✓ 3 | 14/12/2018 | 25. Prazska Stovka - Prager Ultratrail 125km | 125,00 | ×3 |
| ✓ 4 | 23/6/2023 | 16^ Lavaredo Ultra Trail by UTMB - 120K | 120,00 | ×3 |
| ✓ 5 | 10/11/2023 | 35. Loučení 111km | 111,60 | ×3 |
| ✓ 6 | 9/12/2017 | 24. Prazska Stovka - Prager Ultratrail 106km | 106,00 | ×3 |
| ✓ 7 | 5/5/2017 | Jesenicka Stovka 100 Ultramaraton | 103,00 | ×3 |
| ✓ 8 | 23/9/2022 | Krakonosova Stovka 100 km | 100,00 | ×3 |
| ✓ 9 | 14/6/2019 | Krakonosova Stovka 100 km | 100,00 | ×3 |
| ✓ 10 | 15/6/2018 | Krakonosova Stovka 100 km | 100,00 | ×3 |
| ✓ 11 | 16/6/2017 | Krakonosova Stovka 100 km | 100,00 | ×3 |
| ✓ 12 | 10/12/2016 | 23. Prazska Stovka - Prager Ultratrail 84km | 84,00 | ×2 |