Shinichi (斎藤慎一) Saito
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Born : 1961
Cat. M65 Ultrarunner since 2005
6
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
23
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
Japan35,0%
Rank quotient ?This runner's calculation uses 6 eligible race(s): Σ(rank − 1) = 688; Σ finishers = 1 968. 688 / 1 968 × 100 = 34.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed6
Km — ultra races607 km
> 100 km2
Longest race125,0 km
7th Fujisan Issyu Walking — 10/6/2023
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road33,0%
Trail29,9%
Ult.Walk37,1%
Records
HISTORY
6 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 13.01 | 100km | 1st Nara Mahoroba Ultra Walking |
19:25:33 h | 34 |
| 2023 | ||||
| 11.11 | 100km | 10th Sun-In Future 100 km |
15:35:00 h | 4 |
| 10.06 | 125km | 7th Fujisan Issyu Walking |
20:06:54 h | 12 |
| 11.02 | 110km | 1st Awaji Island Round Ultra |
18:34:07 h | 10 |
| 2008 | ||||
| 08.06 | 100km | 4th Iwate Ginga 100km Marathon Challenge |
12:51:30 h | 197 |
| 2005 | ||||
| 09.10 | 71.5km | 13th Hasetsune Cup - Japan Mountain Endurance Race |
17:26:55 h | 437 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 10/6/2023 | 7th Fujisan Issyu Walking | 125,00 | ×5 |
| ✓ 2 | 11/2/2023 | 1st Awaji Island Round Ultra | 110,00 | ×4 |
| ✓ 3 | 13/1/2024 | 1st Nara Mahoroba Ultra Walking | 100,00 | ×4 |
| ✓ 4 | 11/11/2023 | 10th Sun-In Future 100 km | 100,00 | ×4 |
| ✓ 5 | 8/6/2008 | 4th Iwate Ginga 100km Marathon Challenge | 100,00 | ×4 |
| ✓ 6 | 9/10/2005 | 13th Hasetsune Cup - Japan Mountain Endurance Race | 71,50 | ×3 |