Yukari (小林ゆかり) Kobayashi
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.
14
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
29
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 ?
Japan
68,5%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 3 765; Σ finishers = 5 495. 3 765 / 5 495 × 100 = 68.52%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 149 km
Longest race100,0 km
10th Tango 100 km Ultramarathon — 19/9/2010
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,3%
Trail8,7%
Records
HISTORY
14 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 24.09 | 88km | 13:40:35 h | 212 | |
| 2016 | ||||
| 23.10 | 56km | 10:10:10 h | 279 | |
| 02.10 | 50km | 8:23:30 h | 346 | |
| 2015 | ||||
| 04.10 | 50km | 7:57:23 h | 285 | |
| 2014 | ||||
| 28.09 | 88km | 13:10:14 h | 153 | |
| 18.05 | 77km | 11:32:04 h | 394 | |
| 2013 | ||||
| 29.09 | 88km | 13:38:27 h | 144 | |
| 19.05 | 76km | 11:01:06 h | 283 | |
| 2012 | ||||
| 30.09 | 88km | 12:35:35 h | 85 | |
| 2011 | ||||
| 25.09 | 88km | 12:24:54 h | 75 | |
| 2010 | ||||
| 19.09 | 100km | 12:51:36 h | 392 | |
| 2009 | ||||
| 20.09 | 100km | 12:36:12 h | 343 | |
| 2008 | ||||
| 14.09 | 100km | 13:33:59 h | 421 | |
| 2007 | ||||
| 16.09 | 100km | 13:43:12 h | 367 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 19/9/2010 | 10th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 20/9/2009 | 9th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 14/9/2008 | 8th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 16/9/2007 | 7th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 24/9/2017 | 20th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 6 | 28/9/2014 | 17th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 7 | 29/9/2013 | 16th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 8 | 30/9/2012 | 15th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 9 | 25/9/2011 | 14th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 10 | 18/5/2014 | Saba Highway Ultramarathon | 77,00 | ×2 |
| ✓ 11 | 19/5/2013 | Saba Highway Ultramarathon | 76,00 | ×2 |
| ✓ 12 | 23/10/2016 | 15th Mt. Rocco Cannonball Run - 56 km Speed | 56,00 | ×1 |
| ✓ 13 | 2/10/2016 | 10th Madarao Forest Trails 50km | 50,00 | ×1 |
| ✓ 14 | 4/10/2015 | 9th Madarao Forest Trails 50km | 50,00 | ×1 |