Masaaki (松山雅昭) Matsuyama
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Born : 1959
Cat. M65 Ultrarunner since 2013
10
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 ?Japan
Japan58,0%
Rank quotient ?This runner's calculation uses 10 eligible race(s): Σ(rank − 1) = 4 333; Σ finishers = 7 474. 4 333 / 7 474 × 100 = 57.97%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races791 km
Longest race100,0 km
19th Tango 100 km Ultramarathon — 15/9/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,2%
Trail8,8%
Records
HISTORY
10 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 29.09 | 45km | 25th Muraoka 45 km Ultra Marathon |
5:40:56 h | 476 |
| 03.05 | 70km | 30. Mukogawa Yurikamome Ultra Marathon |
8:18:46 h | 251 |
| 2019 | ||||
| 15.09 | 100km | 19th Tango 100 km Ultramarathon |
13:36:50 h | 777 |
| 09.06 | 50km | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon |
5:49:13 h | 122 |
| 2018 | ||||
| 16.09 | 100km | 18th Tango 100 km Ultramarathon |
13:15:38 h | 639 |
| 22.04 | 100km | 10th 100 km Ultra Maranic Osaka |
12:50:26 h | 224 |
| 2017 | ||||
| 23.04 | 100km | 9th 100 km Ultra Maranic Osaka |
11:44:32 h | 106 |
| 2016 | ||||
| 18.09 | 100km | 16th Tango 100 km Ultramarathon |
13:36:55 h | 979 |
| 2015 | ||||
| 20.09 | 60km | 15th Tango 60 km Ultramarathon |
8:18:15 h | 596 |
| 2013 | ||||
| 29.09 | 66km | 16th Muraoka 66 km Ultra Marathon |
9:15:23 h | 173 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 15/9/2019 | 19th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 16/9/2018 | 18th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 3 | 22/4/2018 | 10th 100 km Ultra Maranic Osaka | 100,00 | ×4 |
| ✓ 4 | 23/4/2017 | 9th 100 km Ultra Maranic Osaka | 100,00 | ×4 |
| ✓ 5 | 18/9/2016 | 16th Tango 100 km Ultramarathon | 100,00 | ×4 |
| ✓ 6 | 3/5/2022 | 30. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×2 |
| ✓ 7 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 8 | 20/9/2015 | 15th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 9 | 9/6/2019 | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon | 50,00 | ×2 |
| ✓ 10 | 29/9/2022 | 25th Muraoka 45 km Ultra Marathon | 45,00 | ×1 |