Koji (藤川浩司) Fujikawa
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Born : 1961
Cat. M65 Ultrarunner since 2001
12
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
26
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
Japan22,7%
Rank quotient ?This runner's calculation uses 12 eligible race(s): Σ(rank − 1) = 930; Σ finishers = 4 102. 930 / 4 102 × 100 = 22.67%. A win adds 0 to the numerator. Lower is better.
Totals
Ultras completed12
Km — ultra races859 km
Longest race100,0 km
29th Miyako 100 km Ultramarathon — 20/1/2019
Km per year (ultra races)
2022
2023
2024
2025
2026
Race types (share of distance)
Road100,0%
Wins & podiums (ultra)
🏆 Win0
🏆 Win M0
🏅 Top 32
🏅 Top 3 M2
Longest winning streak0
Current streak0
Records
HISTORY
12 race(s)| Date | Race | Perf. | Rk | |
|---|---|---|---|---|
| 2023 | ||||
| 25.06 | 50km | 38. Lake Saroma 50 km Ultramarathon |
4:58:40 h | 31 |
| 08.04 | 52km | 6th Lake Biwa Kaizu Sakura Maranic - 52 km |
5:44:00 h | 2 🥈 |
| 2022 | ||||
| 18.12 | 50km | 5th Okinawa 50km Ultramarathon |
5:19:07 h | 26 |
| 09.04 | 52km | 5th Lake Biwa Kaizu Sakura Maranic - 52 km |
5:47:00 h | 3 🥉 |
| 2021 | ||||
| 18.07 | 65km | 1st Yamaguchi Hagi Return |
9:51:48 h | 92 |
| 2019 | ||||
| 20.01 | 100km | 29th Miyako 100 km Ultramarathon |
11:25:41 h | 69 |
| 2017 | ||||
| 17.12 | 100km | 2nd Okinawa 100km Ultramarathon |
11:51:46 h | 122 |
| 2016 | ||||
| 29.05 | 100km | 23rd Ebisu-Daikoku 100 km Marathon |
10:57:38 h | 109 |
| 24.04 | 70km | 8th 70 km Ultra Maranic Osaka |
7:21:13 h | 16 |
| 2008 | ||||
| 19.10 | 60km | 14th River Shimanto 60km |
6:00:42 h | 25 |
| 2003 | ||||
| 19.10 | 100km | 9th River Shimanto 100km |
11:33:40 h | 395 |
| 2001 | ||||
| 21.10 | 60km | 8th River Shimanto 60km |
6:09:23 h | 52 |
| Runner | Races in common |
|---|---|
DUV-index calculation details
| # | Date | Race | Credited km | DUV-index+ |
|---|---|---|---|---|
| ✓ 1 | 20/1/2019 | 29th Miyako 100 km Ultramarathon | 100,00 | ×3 |
| ✓ 2 | 17/12/2017 | 2nd Okinawa 100km Ultramarathon | 100,00 | ×3 |
| ✓ 3 | 29/5/2016 | 23rd Ebisu-Daikoku 100 km Marathon | 100,00 | ×3 |
| ✓ 4 | 19/10/2003 | 9th River Shimanto 100km | 100,00 | ×3 |
| ✓ 5 | 24/4/2016 | 8th 70 km Ultra Maranic Osaka | 70,00 | ×2 |
| ✓ 6 | 18/7/2021 | 1st Yamaguchi Hagi Return | 65,00 | ×2 |
| ✓ 7 | 19/10/2008 | 14th River Shimanto 60km | 60,00 | ×2 |
| ✓ 8 | 21/10/2001 | 8th River Shimanto 60km | 60,00 | ×2 |
| ✓ 9 | 8/4/2023 | 6th Lake Biwa Kaizu Sakura Maranic - 52 km | 52,00 | ×2 |
| ✓ 10 | 9/4/2022 | 5th Lake Biwa Kaizu Sakura Maranic - 52 km | 52,00 | ×2 |
| ✓ 11 | 25/6/2023 | 38. Lake Saroma 50 km Ultramarathon | 50,00 | ×1 |
| ✓ 12 | 18/12/2022 | 5th Okinawa 50km Ultramarathon | 50,00 | ×1 |