Miyoko (山本美代子) Yamamoto
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Born : 1969
Cat. W55 Ultrarunner since 2010
13
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
33
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
Japan19,6%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 748; Σ finishers = 13 998. 2 748 / 13 998 × 100 = 19.63%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 174 km
Longest race100,0 km
5th Tobishima Ultra Marathon — 8/12/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 08.12 | 100km | 5th Tobishima Ultra Marathon |
15:39:21 h | 373 |
| 2023 | ||||
| 10.12 | 100km | 4th Tobishima Ultra Marathon |
15:28:53 h | 318 |
| 2022 | ||||
| 05.06 | 53.7km | 20th Rishiri Island Ultra Marathon |
7:15:29 h | 86 |
| 2017 | ||||
| 15.10 | 100km | 23rd River Shimanto 100km |
11:18:28 h | 345 |
| 2015 | ||||
| 18.10 | 100km | 21st River Shimanto 100km |
9:45:53 h | 94 |
| 28.06 | 100km | 30. Lake Saroma 100 km Ultramarathon |
9:15:51 h | 236 |
| 2014 | ||||
| 19.10 | 100km | 20th River Shimanto 100km |
9:39:32 h | 88 |
| 29.06 | 100km | 29. Lake Saroma 100 km Ultramarathon |
11:31:53 h | 639 |
| 2013 | ||||
| 20.10 | 100km | 19th River Shimanto 100km |
9:46:14 h | 105 |
| 15.09 | 60km | 13th Tango 60 km Ultramarathon |
5:52:06 h | 110 |
| 2012 | ||||
| 21.10 | 100km | 18th River Shimanto 100km |
10:14:32 h | 121 |
| 2011 | ||||
| 16.10 | 100km | 17th River Shimanto 100km |
10:57:50 h | 210 |
| 2010 | ||||
| 17.10 | 60km | 16th River Shimanto 60km |
5:54:09 h | 36 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 8/12/2024 | 5th Tobishima Ultra Marathon | 100,00 | ×3 |
| ✓ 2 | 10/12/2023 | 4th Tobishima Ultra Marathon | 100,00 | ×3 |
| ✓ 3 | 15/10/2017 | 23rd River Shimanto 100km | 100,00 | ×3 |
| ✓ 4 | 18/10/2015 | 21st River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 28/6/2015 | 30. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 19/10/2014 | 20th River Shimanto 100km | 100,00 | ×3 |
| ✓ 7 | 29/6/2014 | 29. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 21/10/2012 | 18th River Shimanto 100km | 100,00 | ×3 |
| ✓ 10 | 16/10/2011 | 17th River Shimanto 100km | 100,00 | ×3 |
| ✓ 11 | 15/9/2013 | 13th Tango 60 km Ultramarathon | 60,00 | ×1 |
| ✓ 12 | 17/10/2010 | 16th River Shimanto 60km | 60,00 | ×1 |
| ✓ 13 | 5/6/2022 | 20th Rishiri Island Ultra Marathon | 53,70 | ×1 |