Sumio (齋藤澄夫) Saito
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Born : 1974
Cat. M50 Ultrarunner since 2012
13
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
Japan32,4%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 2 954; Σ finishers = 9 114. 2 954 / 9 114 × 100 = 32.41%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 200 km
Longest race100,0 km
11th 100 km Ultra Maranic Osaka — 21/4/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road91,7%
Trail8,3%
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2019 | ||||
| 21.04 | 100km | 11th 100 km Ultra Maranic Osaka |
13:55:06 h | 390 |
| 2018 | ||||
| 22.04 | 100km | 10th 100 km Ultra Maranic Osaka |
12:24:54 h | 171 |
| 2017 | ||||
| 13.05 | 50km | 3rd Mt. Hiei Int. 50 km Trail Run |
9:50:38 h | 485 |
| 23.04 | 100km | 9th 100 km Ultra Maranic Osaka |
10:48:50 h | 56 |
| 2016 | ||||
| 11.09 | 100km | 1st Koyasan and Ryujin-Onsen 100 km Ultra Marathon |
12:13:30 h | 91 |
| 28.05 | 50km | 2nd Mt. Hiei Int. 50 km Trail Run |
9:38:37 h | 577 |
| 2015 | ||||
| 29.03 | 100km | 1st Osaka Yodogawa 100 km Ultra Marathon |
9:55:58 h | 103 |
| 2014 | ||||
| 14.09 | 100km | 14th Tango 100 km Ultramarathon |
11:39:24 h | 387 |
| 27.04 | 100km | 6th 100 km Ultra Maranic Osaka |
10:51:04 h | 62 |
| 2013 | ||||
| 20.10 | 100km | 19th River Shimanto 100km |
10:14:52 h | 148 |
| 15.09 | 100km | 13th Tango 100 km Ultramarathon |
10:50:00 h | 194 |
| 2012 | ||||
| 21.09 | 100km | 12th Tango 100 km Ultramarathon |
11:10:50 h | 121 |
| 20.05 | 100km | 4th 100 km Ultra Maranic Osaka |
12:44:20 h | 182 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2019 | 11th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 2 | 22/4/2018 | 10th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 3 | 23/4/2017 | 9th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 4 | 11/9/2016 | 1st Koyasan and Ryujin-Onsen 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 5 | 29/3/2015 | 1st Osaka Yodogawa 100 km Ultra Marathon | 100,00 | ×3 |
| ✓ 6 | 14/9/2014 | 14th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 7 | 27/4/2014 | 6th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 8 | 20/10/2013 | 19th River Shimanto 100km | 100,00 | ×3 |
| ✓ 9 | 15/9/2013 | 13th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 10 | 21/9/2012 | 12th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 11 | 20/5/2012 | 4th 100 km Ultra Maranic Osaka | 100,00 | ×3 |
| ✓ 12 | 13/5/2017 | 3rd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |
| ✓ 13 | 28/5/2016 | 2nd Mt. Hiei Int. 50 km Trail Run | 50,00 | ×1 |