Akiko (武市明子) Takeichi
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9
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
30
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
46,3%
Rank quotient ?This runner's calculation uses 9 eligible race(s): Σ(rank − 1) = 1 910; Σ finishers = 4 127. 1 910 / 4 127 × 100 = 46.28%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed10
Km — ultra races1 008 km
> 100 km2
> 160 km1
> 200 km1
Longest race250,0 km
16. Yamaguchi 100 Hagi-O-Kan Maranic 250 km — 2/5/2004
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road86,9%
Stage13,1%
Records
HISTORY
9 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2015 | ||||
| 07.06 | 72km | 10:11:34 h | 480 | |
| 2013 | ||||
| 29.09 | 66km | 9:23:46 h | 188 | |
| 2008 | ||||
| 28.09 | 88km | 11:59:21 h | 48 | |
| 2006 | ||||
| 09.10 | 100km | 13:01:53 h | 543 | |
| 2004 | ||||
| 02.05 | 250km | 45:40:27 h | 94 | |
| 2002 | ||||
| 27.07 | 132km/2stages | 17:41:09 h | 71 | |
| 13.01 | 100km | 10:55:13 h | 9 | |
| 2000 | ||||
| 15.10 | 100km | 11:13:23 h | 210 | |
| 1999 | ||||
| 17.10 | 100km | 11:09:22 h | 276 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 2/5/2004 | 16. Yamaguchi 100 Hagi-O-Kan Maranic 250 km | 250,00 | ×8 |
| ✓ 2 | 27/7/2002 | Yashagaike Legend Maranic 132 km | 132,00 | ×4 |
| ✓ 3 | 9/10/2006 | 6th Echigo Kubikino 100km Ultramarathon | 100,00 | ×3 |
| ✓ 4 | 13/1/2002 | 12th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 5 | 15/10/2000 | 7th River Shimanto 100km | 100,00 | ×3 |
| ✓ 6 | 17/10/1999 | 6th River Shimanto 100km | 100,00 | ×3 |
| ✓ 7 | 28/9/2008 | 11th Muraoka 88 km Ultra Marathon | 88,00 | ×2 |
| ✓ 8 | 7/6/2015 | 4th Hida Takayama 72 km Ultramarathon | 72,00 | ×2 |
| ✓ 9 | 29/9/2013 | 16th Muraoka 66 km Ultra Marathon | 66,00 | ×2 |