John Bocek
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.
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
27
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 ?
United States
45,7%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 783; Σ finishers = 3 905. 1 783 / 3 905 × 100 = 45.66%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 044 km
> 100 km2
> 160 km2
Longest race160,9 km
3rd Grindstone 100 Mile — 1/10/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Trail100,0%
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2010 | ||||
| 11.12 | 100km | 17:33:23 h | 101 | |
| 06.11 | 50mi | 11:08:08 h | 136 | |
| 01.10 | 100mi | 32:47:00 h | 49 | |
| 05.06 | 50mi | 11:18:52 h | 97 | |
| 24.04 | 50km | 7:21:07 h | 139 | |
| 27.03 | 50km | 6:38:47 h | 77 | |
| 13.02 | 50km | 7:16:30 h | 156 | |
| 2009 | ||||
| 25.04 | 50km | 7:14:46 h | 83 | |
| 28.03 | 50km | 6:28:43 h | 72 | |
| 14.02 | 50km | 5:34:34 h | 104 | |
| 2008 | ||||
| 03.10 | 100mi | 31:28:52 h | 40 | |
| 2006 | ||||
| 18.11 | 50mi | 9:18:17 h | 231 | |
| 2005 | ||||
| 19.11 | 50mi | 10:43:14 h | 511 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/10/2010 | 3rd Grindstone 100 Mile | 160,93 | ×5 |
| ✓ 2 | 3/10/2008 | 1st Grindstone 100 Mile | 160,93 | ×5 |
| ✓ 3 | 11/12/2010 | 8th Hellgate 100 km | 100,00 | ×3 |
| ✓ 4 | 6/11/2010 | 28th Mountain Masochist 50 Mile Trail Run | 80,47 | ×2 |
| ✓ 5 | 5/6/2010 | 3rd Endurance Challenge - Washington D.C. Trail 50 Miles | 80,47 | ×2 |
| ✓ 6 | 18/11/2006 | 44th JFK 50 Mile | 80,47 | ×2 |
| ✓ 7 | 19/11/2005 | 43rd JFK 50 Mile | 80,47 | ×2 |
| ✓ 8 | 24/4/2010 | 10th Promise Land 50K++ | 50,00 | ×1 |
| ✓ 9 | 27/3/2010 | 3rd Terrapin Mountain 50 km Race | 50,00 | ×1 |
| ✓ 10 | 13/2/2010 | 15th Holiday Lake 50K++ | 50,00 | ×1 |
| ✓ 11 | 25/4/2009 | 9th Promise Land 50K++ | 50,00 | ×1 |
| ✓ 12 | 28/3/2009 | 2nd Terrapin Mountain 50 km Race | 50,00 | ×1 |
| ✓ 13 | 14/2/2009 | 14th Holiday Lake 50K++ | 50,00 | ×1 |