Yoshiyuki (斉藤善之) Saito
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Born : 1958
Cat. M65 Ultrarunner since 2010
15
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
Japan12,1%
Rank quotient ?This runner's calculation uses 15 eligible race(s): Σ(rank − 1) = 918; Σ finishers = 7 605. 918 / 7 605 × 100 = 12.07%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed15
Km — ultra races1 050 km
Longest race100,0 km
4th 100 km Ultra Maranic Osaka — 20/5/2012
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Records
HISTORY
15 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 09.06 | 50km | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon |
6:20:55 h | 229 |
| 21.04 | 70km | 11th 70 km Ultra Maranic Osaka |
8:47:36 h | 86 |
| 2016 | ||||
| 18.09 | 60km | 16th Tango 60 km Ultramarathon |
5:56:18 h | 101 |
| 24.04 | 70km | 8th 70 km Ultra Maranic Osaka |
7:31:00 h | 21 |
| 2015 | ||||
| 20.09 | 60km | 15th Tango 60 km Ultramarathon |
5:55:03 h | 105 |
| 26.04 | 70km | 7th 70 km Ultra Maranic Osaka |
6:55:37 h | 12 |
| 2014 | ||||
| 14.09 | 60km | 14th Tango 60 km Ultramarathon |
5:54:49 h | 78 |
| 27.04 | 70km | 6th 70 km Ultra Maranic Osaka |
6:40:59 h | 9 |
| 2013 | ||||
| 15.09 | 60km | 13th Tango 60 km Ultramarathon |
5:17:39 h | 52 |
| 2012 | ||||
| 21.09 | 60km | 12th Tango 60 km Ultramarathon |
6:33:18 h | 55 |
| 20.05 | 100km | 4th 100 km Ultra Maranic Osaka |
10:30:35 h | 44 |
| 2011 | ||||
| 18.09 | 60km | 11th Tango 60 km Ultramarathon |
5:46:40 h | 30 |
| 22.05 | 100km | 3rd 100 km Ultra Maranic Osaka |
10:13:00 h | 46 |
| 2010 | ||||
| 19.09 | 60km | 10th Tango 60 km Ultramarathon |
5:31:34 h | 27 |
| 23.05 | 100km | 2nd 100 km Ultra Maranic Osaka |
10:17:00 h | 38 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/5/2012 | 4th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 2 | 22/5/2011 | 3rd 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 3 | 23/5/2010 | 2nd 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 4 | 21/4/2019 | 11th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 5 | 24/4/2016 | 8th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 6 | 26/4/2015 | 7th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 7 | 27/4/2014 | 6th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 8 | 18/9/2016 | 16th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 9 | 20/9/2015 | 15th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 10 | 14/9/2014 | 14th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 11 | 15/9/2013 | 13th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 12 | 21/9/2012 | 12th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 13 | 18/9/2011 | 11th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 14 | 19/9/2010 | 10th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 15 | 9/6/2019 | 3rd Koyasan and Ryujin-Onsen 50 km Ultra Marathon | 50,00 | ×1 |