Masanori (松原正典) Matsubara
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Born : 1970
Cat. M55 Ultrarunner since 2002
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
32
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
Japan3,2%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 340; Σ finishers = 10 769. 340 / 10 769 × 100 = 3.16%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 115 km
Longest race100,0 km
3rd Tokyo Shibamata 100 km — 6/6/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road32,3%
Trail67,7%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 33
🏅 Top 3 M4
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2017 | ||||
| 14.05 | 60km | 3rd Ishigaki Island Ultra Marathon |
5:14:45 h | 4 |
| 2015 | ||||
| 06.06 | 100km | 3rd Tokyo Shibamata 100 km |
7:43:19 h | 3 🥉 |
| 2014 | ||||
| 18.05 | 100km | 20th Yatsugatake Nobeyama 100 km |
8:14:14 h | 4 |
| 2013 | ||||
| 30.06 | 100km road race | 28. Lake Saroma 100 km Ultramarathon |
7:19:21 h | 10 |
| 2012 | ||||
| 20.05 | 100km | 18th Yatsugatake Nobeyama 100 km |
8:38:49 h | 2 🥈 |
| 2011 | ||||
| 26.06 | 100km road race | 26. Lake Saroma 100 km Ultramarathon |
7:32:27 h | 14 |
| 2010 | ||||
| 16.05 | 100km | 16th Yatsugatake Nobeyama 100 km |
8:14:51 h | 2 🥈 |
| 2009 | ||||
| 17.05 | 100km | 15th Yatsugatake Nobeyama 100 km |
8:37:14 h | 4 |
| 2007 | ||||
| 20.05 | 71km | 13th Yatsugatake Nobeyama 71 km |
5:55:30 h | 5 |
| 2006 | ||||
| 21.05 | 71km | 12th Yatsugatake Nobeyama 71 km |
7:07:43 h | 25 |
| 2004 | ||||
| 16.05 | 71km | 10th Yatsugatake Nobeyama 71 km |
7:41:29 h | 24 |
| 2003 | ||||
| 11.05 | 71km | 9th Yatsugatake Nobeyama 71 km |
9:40:05 h | 128 |
| 2002 | ||||
| 12.05 | 71km | 8th Yatsugatake Nobeyama 71 km |
9:45:15 h | 128 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 6/6/2015 | 3rd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 2 | 18/5/2014 | 20th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 3 | 30/6/2013 | 28. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 4 | 20/5/2012 | 18th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 5 | 26/6/2011 | 26. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 6 | 16/5/2010 | 16th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 7 | 17/5/2009 | 15th Yatsugatake Nobeyama 100 km | 100,00 | ×3 |
| ✓ 8 | 20/5/2007 | 13th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 9 | 21/5/2006 | 12th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 10 | 16/5/2004 | 10th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 11 | 11/5/2003 | 9th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 12 | 12/5/2002 | 8th Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 13 | 14/5/2017 | 3rd Ishigaki Island Ultra Marathon | 60,00 | ×1 |