William Sycalik
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.
25
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
35,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 884; Σ finishers = 2 528. 884 / 2 528 × 100 = 34.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races719 km
Longest race80,5 km
2nd Cayuga Trails 50 Mile Race — 1/6/2014
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road8,1%
Trail91,9%
HISTORY
13 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 1/6/2014 | 2nd Cayuga Trails 50 Mile Race | 80,47 | ×3 |
| ✓ 2 | 8/6/2013 | 1st Cayuga Trails 50 Mile Race | 80,47 | ×3 |
| ✓ 3 | 28/7/2012 | 2nd BUS 6-Hour Pajama Run | 58,32 | ×2 |
| ✓ 4 | 13/4/2024 | 21st Desert Rats Trail Running Festival 50 km | 50,00 | ×2 |
| ✓ 5 | 17/4/2021 | 18th Desert Rats Trail Running Festival 50 km | 50,00 | ×2 |
| ✓ 6 | 13/4/2019 | 16th Desert Rats Trail Running Festival 50 km | 50,00 | ×2 |
| ✓ 7 | 5/12/2015 | 5th NYC Staten Island Trail Festival 50K | 50,00 | ×2 |
| ✓ 8 | 3/5/2014 | 7th Endurance Challenge - New York Trail 50 km | 50,00 | ×2 |
| ✓ 9 | 4/5/2013 | 6th Endurance Challenge - New York Trail 50 km | 50,00 | ×2 |
| ✓ 10 | 5/1/2013 | 5th Watchung Winter 50 km Run | 50,00 | ×2 |
| ✓ 11 | 8/12/2012 | 2nd NYC Staten Island Trail Festival 50K | 50,00 | ×2 |
| ✓ 12 | 5/5/2012 | 5th Endurance Challenge - New York Trail 50 km | 50,00 | ×2 |
| ✓ 13 | 4/6/2011 | 4th Endurance Challenge - Washington D.C. Trail 50 km | 50,00 | ×2 |