Chieko (松田千恵子) Matsuda
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.
Ultrarunner since 2019
4
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
17
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
Japan82,5%
Rank quotient ?This runner's calculation uses 4 eligible race(s): Σ(rank − 1) = 562; Σ finishers = 681. 562 / 681 × 100 = 82.53%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed4
Km — ultra races336 km
> 100 km1
Longest race104,0 km
2nd Shodoshima Round Ultra Run — 30/10/2021
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road70,2%
Trail29,8%
Records
HISTORY
4 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2022 | ||||
| 28.05 | 100km | 4th Tsukuba Rinrin Road 100km |
23:14:00 h | 152 |
| 2021 | ||||
| 04.12 | 80km | 7th Nishi Seto Expressway Ultra Run |
17:58:59 h | 108 |
| 30.10 | 104km | 2nd Shodoshima Round Ultra Run |
25:37:48 h | 127 |
| 2019 | ||||
| 25.05 | 52km | 8th Tojinbo 52 km Ultramarathon |
10:39:40 h | 179 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 30/10/2021 | 2nd Shodoshima Round Ultra Run | 104,00 | ×6 |
| ✓ 2 | 28/5/2022 | 4th Tsukuba Rinrin Road 100km | 100,00 | ×5 |
| ✓ 3 | 4/12/2021 | 7th Nishi Seto Expressway Ultra Run | 80,00 | ×4 |
| ✓ 4 | 25/5/2019 | 8th Tojinbo 52 km Ultramarathon | 52,00 | ×3 |