Jin-Song Ou
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.
Born : 1966
Cat. M60 Ultrarunner since 2015
8
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
United States68,8%
Rank quotient ?This runner's calculation uses 8 eligible race(s): Σ(rank − 1) = 384; Σ finishers = 558. 384 / 558 × 100 = 68.82%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed8
Km — ultra races596 km
> 100 km1
> 160 km1
Longest race160,9 km
1st The Hennepin Hundred - 100 Mile Run — 12/9/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road14,2%
Trail85,8%
HISTORY
8 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 12/9/2015 | 1st The Hennepin Hundred - 100 Mile Run | 160,93 | ×6 |
| ✓ 2 | 2/6/2018 | 23rd Kettle Moraine 100 km Endurance Run | 100,00 | ×4 |
| ✓ 3 | 15/7/2016 | 3rd Christmas in July 12 Hour Run | 84,58 | ×3 |
| ✓ 4 | 1/12/2018 | 5th Jackson County 50-50 Ultramarathon - 50 km | 50,00 | ×2 |
| ✓ 5 | 2/12/2017 | 4th Jackson County 50-50 Ultramarathon - 50 km | 50,00 | ×2 |
| ✓ 6 | 3/12/2016 | 3rd Jackson County 50-50 Ultramarathon - 50 km | 50,00 | ×2 |
| ✓ 7 | 12/11/2016 | 4th Paleozoic Trail Runs - Permian Fall 50K | 50,00 | ×2 |
| ✓ 8 | 4/6/2016 | 21st Kettle Moraine 50 km Endurance Run | 50,00 | ×2 |