Mika (宇都宮美香) Utsunomiya
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Born : 1977
Cat. W45 Ultrarunner since 2016
13
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
Japan11,9%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 1 193; Σ finishers = 10 053. 1 193 / 10 053 × 100 = 11.87%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 020 km
Longest race100,0 km
34th Fuji 4 Lakes 100 km Challenge — 21/4/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F0
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
Records
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2026 | ||||
| 19.04 | 80km | 36th Fuji 4 Lakes 80 km Challenge |
8:09:08 h | 19 |
| 2025 | ||||
| 14.09 | 60km | 23th Tango 60 km Ultramarathon |
6:10:26 h | 53 |
| 20.04 | 80km | 35th Fuji 4 Lakes 80 km Challenge |
7:37:50 h | 11 |
| 2024 | ||||
| 15.09 | 60km | 22th Tango 60 km Ultramarathon |
5:37:20 h | 20 |
| 21.04 | 100km | 34th Fuji 4 Lakes 100 km Challenge |
9:54:17 h | 114 |
| 2023 | ||||
| 17.09 | 60km | 21th Tango 60 km Ultramarathon |
5:50:01 h | 19 |
| 16.04 | 100km | 33th Fuji 4 Lakes 100 km Challenge |
11:00:51 h | 186 |
| 2022 | ||||
| 18.09 | 60km | 20th Tango 60 km Ultramarathon |
5:57:28 h | 14 |
| 17.04 | 100km | 32th Fuji 5 Lakes 100 km Challenge |
11:17:27 h | 287 |
| 2019 | ||||
| 21.04 | 100km | 29th Fuji 5 Lakes 100 km Challenge |
9:54:34 h | 146 |
| 2018 | ||||
| 16.09 | 100km | 18th Tango 100 km Ultramarathon |
11:49:53 h | 268 |
| 2017 | ||||
| 15.10 | 60km | 23rd River Shimanto 60km |
5:20:05 h | 33 |
| 2016 | ||||
| 16.10 | 60km | 22nd River Shimanto 60km |
5:44:00 h | 36 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 21/4/2024 | 34th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 2 | 16/4/2023 | 33th Fuji 4 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 3 | 17/4/2022 | 32th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 4 | 21/4/2019 | 29th Fuji 5 Lakes 100 km Challenge | 100,00 | ×3 |
| ✓ 5 | 16/9/2018 | 18th Tango 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 6 | 19/4/2026 | 36th Fuji 4 Lakes 80 km Challenge | 80,00 | ×2 |
| ✓ 7 | 20/4/2025 | 35th Fuji 4 Lakes 80 km Challenge | 80,00 | ×2 |
| ✓ 8 | 14/9/2025 | 23th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 9 | 15/9/2024 | 22th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 10 | 17/9/2023 | 21th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 11 | 18/9/2022 | 20th Tango 60 km Ultramarathon | 60,00 | ×2 |
| ✓ 12 | 15/10/2017 | 23rd River Shimanto 60km | 60,00 | ×2 |
| ✓ 13 | 16/10/2016 | 22nd River Shimanto 60km | 60,00 | ×2 |