Megumi (井貝恵) Ikai
External sources
Loading FFA
Loading MV
FFA diagnostics
Run “Search / refresh FFA” to see each season, HTTP response, candidate and DUV comparison.
MarathonView diagnostics
Run “Refresh MV” to see login, session validation and parser status.
Cached locally. Empty refreshes never erase the last valid snapshot.
Born : 1972
Cat. W50 Ultrarunner since 2013
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
18
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
Japan75,5%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 1 650; Σ finishers = 2 185. 1 650 / 2 185 × 100 = 75.51%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races368 km
> 100 km1
Longest race128,0 km
3rd Tokyo Great Race 128km — 5/11/2022
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road62,0%
Trail38,0%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 05.11 | 128km | 3rd Tokyo Great Race 128km |
22:08:14 h | 18 |
| 03.05 | 70km | 30. Mukogawa Yurikamome Ultra Marathon |
8:04:52 h | 213 |
| 17.04 | 100km | 32th Fuji 5 Lakes 100 km Challenge |
13:30:48 h | 952 |
| 2013 | ||||
| 03.05 | 70km | 21. Mukogawa Yurikamome Ultra Marathon |
8:06:45 h | 471 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 5/11/2022 | 3rd Tokyo Great Race 128km | 128,00 | ×7 |
| ✓ 2 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×5 |
| ✓ 3 | 3/5/2022 | 30. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×3 |
| ✓ 4 | 3/5/2013 | 21. Mukogawa Yurikamome Ultra Marathon | 70,00 | ×3 |