Naoko (原直子) Hara
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Born : 1970
Cat. W55 Ultrarunner since 2015
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
Japan50,0%
Rank quotient ?This runner's calculation uses 13 eligible race(s): Σ(rank − 1) = 3 740; Σ finishers = 7 473. 3 740 / 7 473 × 100 = 50.05%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed13
Km — ultra races1 061 km
> 100 km1
Longest race115,0 km
14th Oedo Night run 115k — 9/3/2024
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win F1
🏅 Top 30
🏅 Top 3 F2
Longest winning streak0
Current streak0
Records
No record for a classic ultra format
HISTORY
13 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2024 | ||||
| 20.10 | 70km | 31. Ultramarathon Okumusashi |
8:57:01 h | 327 |
| 09.03 | 115km | 14th Oedo Night run 115k |
17:55:41 h | 50 |
| 2023 | ||||
| 04.06 | 78km | 30. Ultramarathon Okumusashi |
11:15:43 h | 702 |
| 2022 | ||||
| 05.06 | 78km | 29. Ultramarathon Okumusashi |
10:51:42 h | 689 |
| 2021 | ||||
| 27.02 | 91km | 11th Little Edo 91k |
11:28:03 h | 12 |
| 2020 | ||||
| 22.02 | 91km | 10th Little Edo 91k |
10:32:50 h | 12 |
| 2019 | ||||
| 02.06 | 78km | 26. Ultramarathon Okumusashi |
9:11:35 h | 567 |
| 13.04 | 70km | 14th Toda Saiko 70 km |
8:07:21 h | 333 |
| 23.02 | 91km | 9th Little Edo 91km |
11:19:16 h | 17 |
| 2018 | ||||
| 03.06 | 78km | 25. Ultramarathon Okumusashi |
10:14:07 h | 767 |
| 03.03 | 91km | 8th Little Edo 91km |
11:23:16 h | 13 |
| 2016 | ||||
| 09.04 | 70km | 11th Toda Saiko 70 km |
7:16:30 h | 118 |
| 2015 | ||||
| 06.06 | 60km | 3rd Tokyo Shibamata 60 km |
6:13:17 h | 146 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 9/3/2024 | 14th Oedo Night run 115k | 115,00 | ×3 |
| ✓ 2 | 27/2/2021 | 11th Little Edo 91k | 91,00 | ×3 |
| ✓ 3 | 22/2/2020 | 10th Little Edo 91k | 91,00 | ×3 |
| ✓ 4 | 23/2/2019 | 9th Little Edo 91km | 91,00 | ×3 |
| ✓ 5 | 3/3/2018 | 8th Little Edo 91km | 91,00 | ×3 |
| ✓ 6 | 4/6/2023 | 30. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 7 | 5/6/2022 | 29. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 8 | 2/6/2019 | 26. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 9 | 3/6/2018 | 25. Ultramarathon Okumusashi | 78,00 | ×2 |
| ✓ 10 | 20/10/2024 | 31. Ultramarathon Okumusashi | 70,00 | ×2 |
| ✓ 11 | 13/4/2019 | 14th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 12 | 9/4/2016 | 11th Toda Saiko 70 km | 70,00 | ×2 |
| ✓ 13 | 6/6/2015 | 3rd Tokyo Shibamata 60 km | 60,00 | ×2 |