Reiko (飯田麗子) Iida
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Born : 1971
Cat. W55 Ultrarunner since 2013
9
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
Japan64,7%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 2 107; Σ finishers = 3 256. 2 107 / 3 256 × 100 = 64.71%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed9
Km — ultra races792 km
Longest race100,0 km
28th Muraoka 100 km Ultra Marathon — 28/9/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2025 | ||||
| 28.09 | 100km | 28th Muraoka 100 km Ultra Marathon |
13:45:06 h | 391 |
| 2024 | ||||
| 29.09 | 88km | 27th Muraoka 88 km Ultra Marathon |
13:03:31 h | 93 |
| 2019 | ||||
| 29.09 | 100km | 22th Muraoka 100 km Ultra Marathon |
13:33:00 h | 363 |
| 09.06 | 50km | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon |
6:15:41 h | 209 |
| 2017 | ||||
| 24.09 | 100km | 20th Muraoka 100 km Ultra Marathon |
12:50:08 h | 85 |
| 2016 | ||||
| 25.09 | 100km | 19th Muraoka 100 km Ultra Marathon |
13:31:13 h | 311 |
| 2015 | ||||
| 27.09 | 100km | 18th Muraoka 100 km Ultra Marathon |
13:24:28 h | 341 |
| 2014 | ||||
| 28.09 | 88km | 17th Muraoka 88 km Ultra Marathon |
12:53:06 h | 137 |
| 2013 | ||||
| 29.09 | 66km | 16th Muraoka 66 km Ultra Marathon |
9:23:08 h | 186 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 28/9/2025 | 28th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 2 | 29/9/2019 | 22th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 3 | 24/9/2017 | 20th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 4 | 25/9/2016 | 19th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 5 | 27/9/2015 | 18th Muraoka 100 km Ultra Marathon | 100,00 | ×4 |
| ✓ 6 | 29/9/2024 | 27th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 7 | 28/9/2014 | 17th Muraoka 88 km Ultra Marathon | 88,00 | ×3 |
| ✓ 8 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |
| ✓ 9 | 9/6/2019 | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon | 50,00 | ×2 |