Megumi (松井恵) Matsui
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Born : 1974
Cat. W50 Ultrarunner since 2010
12
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
3
Countries visited ?
ChinaJapan
Thailand
ChinaJapanThailand61,4%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 2 648; Σ finishers = 4 312. 2 648 / 4 312 × 100 = 61.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races851 km
Longest race100,0 km
4th Yakushima Ultramarathon — 13/1/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road68,2%
Trail31,8%
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 15.10 | 60km | 29th River Shimanto 60km |
9:42:43 h | 426 |
| 2019 | ||||
| 13.01 | 100km | 4th Yakushima Ultramarathon |
14:55:59 h | 115 |
| 2017 | ||||
| 15.10 | 60km | 6th Noto Peninsula 60 km Ultra Marathon |
7:36:28 h | 49 |
| 01.10 | 50km | 11th Madarao Forest Trails 50km |
8:36:18 h | 339 |
| 25.06 | 50km | 32. Lake Saroma 50 km Ultramarathon |
5:23:37 h | 84 |
| 2016 | ||||
| 16.10 | 100km | 22nd River Shimanto 100km |
13:18:21 h | 890 |
| 31.07 | 50km | 6th North Okhotsk 50 km Marathon |
6:13:53 h | 60 |
| 2015 | ||||
| 18.10 | 100km | 4th Noto Peninsula 100 km Ultra Marathon |
13:32:01 h | 240 |
| 17.05 | 71km | 21st Yatsugatake Nobeyama 71 km |
9:59:37 h | 134 |
| 2014 | ||||
| 19.10 | 60km | 20th River Shimanto 60km |
7:29:28 h | 147 |
| 2013 | ||||
| 02.02 | 100km | 2nd The North Face 100 Thailand - 100 km |
14:58:01 h | 45 |
| 2010 | ||||
| 08.05 | 50km | The North Face 50 China |
7:43:32 h | 131 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 13/1/2019 | 4th Yakushima Ultramarathon | 100,00 | ×4 |
| ✓ 2 | 16/10/2016 | 22nd River Shimanto 100km | 100,00 | ×4 |
| ✓ 3 | 18/10/2015 | 4th Noto Peninsula 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 2/2/2013 | 2nd The North Face 100 Thailand - 100 km | 100,00 | ×4 |
| ✓ 5 | 17/5/2015 | 21st Yatsugatake Nobeyama 71 km | 71,00 | ×2 |
| ✓ 6 | 15/10/2023 | 29th River Shimanto 60km | 60,00 | ×2 |
| ✓ 7 | 15/10/2017 | 6th Noto Peninsula 60 km Ultra Marathon | 60,00 | ×2 |
| ✓ 8 | 19/10/2014 | 20th River Shimanto 60km | 60,00 | ×2 |
| ✓ 9 | 1/10/2017 | 11th Madarao Forest Trails 50km | 50,00 | ×2 |
| ✓ 10 | 25/6/2017 | 32. Lake Saroma 50 km Ultramarathon | 50,00 | ×2 |
| ✓ 11 | 31/7/2016 | 6th North Okhotsk 50 km Marathon | 50,00 | ×2 |
| ✓ 12 | 8/5/2010 | The North Face 50 China | 50,00 | ×2 |