Tatsuo (清水辰雄) Shimizu
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14
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
23,3%
Rank quotient ?This runner's calculation uses 14 eligible race(s): Σ(rank − 1) = 2 656; Σ finishers = 11 421. 2 656 / 11 421 × 100 = 23.26%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed14
Km — ultra races1 178 km
Longest race100,0 km
11th Iwate Ginga 100km Marathon Challenge — 14/6/2015
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
14 race(s)| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 14/6/2015 | 11th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 2 | 22/4/2012 | 22nd Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 26/6/2011 | 26. Lake Saroma 100 km Ultramarathon (JPN) | 100,00 | ×3 |
| ✓ 4 | 13/6/2010 | 6th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 5 | 25/4/2010 | 20th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 6 | 14/6/2009 | 5th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 7 | 26/4/2009 | 19th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 8 | 28/7/2013 | 20. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 9 | 5/8/2012 | 19. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 10 | 1/8/2010 | 17. Ultramarathon Okumusashi | 77,00 | ×2 |
| ✓ 11 | 2/8/2009 | 16. Ultramarathon Okumusashi | 75,00 | ×2 |
| ✓ 12 | 5/7/2009 | 15th 8-Hour Endurance Race Tokorozawa | 68,17 | ×2 |
| ✓ 13 | 30/8/2009 | 56. Tsurunuma 52 km | 52,00 | ×1 |
| ✓ 14 | 6/7/2008 | 14th 8-Hour Endurance Race Tokorozawa | 51,94 | ×1 |