Shingo (菅原慎吾) Sugawara
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16
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
2
Countries visited ?
Japan
South Korea
39,0%
Rank quotient ?This runner's calculation uses 16 eligible race(s): Σ(rank − 1) = 4 103; Σ finishers = 10 531. 4 103 / 10 531 × 100 = 38.96%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed16
Km — ultra races1 369 km
> 100 km1
Longest race107,0 km
12th TransJeju by UTMB - Jeju100K — 18/10/2025
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road54,8%
Trail45,2%
HISTORY
16 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 11.04 | 100km | 30:40:24 h | 144 | |
| 2025 | ||||
| 18.10 | 107km | 21:36:58 h | 368 | |
| 27.06 | 80km | 17:01:53 h | 36 | |
| 21.06 | 58km | 10:46:12 h | 229 | |
| 26.04 | 70km | 14:25:58 h | 348 | |
| 2024 | ||||
| 09.06 | 100km | 12:25:28 h | 361 | |
| 14.04 | 51.4km | 8:22:31 h | 132 | |
| 2022 | ||||
| 05.06 | 100km | 12:15:11 h | 109 | |
| 2019 | ||||
| 15.09 | 100km | 13:03:55 h | 520 | |
| 11.05 | 50km | 4:53:13 h | 14 | |
| 2018 | ||||
| 22.07 | 80km | 10:14:26 h | 103 | |
| 2017 | ||||
| 05.03 | 100km | 11:05:21 h | 24 | |
| 2016 | ||||
| 12.06 | 100km | 12:42:50 h | 659 | |
| 2015 | ||||
| 28.06 | 100km | 10:45:56 h | 772 | |
| 17.05 | 73km | 10:28:16 h | 131 | |
| 2014 | ||||
| 01.06 | 100km | 12:15:47 h | 169 | |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 18/10/2025 | 12th TransJeju by UTMB - Jeju100K | 107,00 | ×3 |
| ✓ 2 | 11/4/2026 | 1st Hiroshima Trail | 100,00 | ×3 |
| ✓ 3 | 9/6/2024 | 18th Iwate Ginga 100km Marathon Challenge | 100,00 | ×3 |
| ✓ 4 | 5/6/2022 | 1. OSJ Aizu Bandaisan Ultramarathon - 100 km | 100,00 | ×3 |
| ✓ 5 | 15/9/2019 | 19th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 5/3/2017 | 3rd Nagoura Marathon 100 km | 100,00 | ×3 |
| ✓ 7 | 12/6/2016 | 5th Hida Takayama 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 8 | 28/6/2015 | 30. Lake Saroma 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 9 | 1/6/2014 | 2nd Tokyo Shibamata 100 km | 100,00 | ×3 |
| ✓ 10 | 27/6/2025 | 4th Deep Japan Ultra 100 - 80 km | 80,00 | ×2 |
| ✓ 11 | 22/7/2018 | 6th Mt. Taisetsu Trail Journey | 80,00 | ×2 |
| ✓ 12 | 17/5/2015 | 1st Gasando Trail running race | 73,00 | ×2 |
| ✓ 13 | 26/4/2025 | 4th KAI 70k | 70,00 | ×2 |
| ✓ 14 | 21/6/2025 | 1st Kaga Spa by UTMB - Kaga Spa Trail Endurance 50 | 58,00 | ×1 |
| ✓ 15 | 14/4/2024 | 2nd AYABE Trailrun | 51,40 | ×1 |
| ✓ 16 | 11/5/2019 | 1st Izu Oshima Geopark Ultra Marathon | 50,00 | ×1 |