Nagisa (板垣渚) Itagaki
Born : 1984 Cat. M40 Ultrarunner since 2016 JPN
50
DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.
58
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
5
Countries visited ?CANCanadaCHNChinaJPNJapanKORSouth KoreaTHAThailand
4,1%
Rank quotient ?This runner's calculation uses 52 eligible race(s): Σ(rank − 1) = 1 210; Σ finishers = 29 823. 1 210 / 29 823 × 100 = 4.06%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed52
Km — ultra races5 039 km
> 100 km15
> 160 km9
Longest race171,0 km

Km per year (ultra races)

588
5 races
2022
525
4 races
2023
746
7 races
2024
966
9 races
2025
150
2 races
2026

Race types (share of distance)

Road14,3%
Trail85,7%

Wins & podiums (ultra)

🏆 Win14
🏆 Win M14
🏅 Top 323
🏅 Top 3 M23
Longest winning streak3
Current streak0

HISTORY

52 race(s)
DateRacePerf.Rk
2026
31.05 100km JPN1st Nara Ultra Marathon 9:34:30 h89
04.04 50km JPN5th Ultra Udon Maranic 6:16:44 h4
2025
05.12 90km THA2nd Chiangmai Thailand by UTMB - ELEPHANT 100 17:22:35 h208
01.11 105km CHN10th Ultimate Tsaigu Trail Kuocang - 105 km 15:30:50 h26
10.10 169km JPN5th Lake Biwa 100 31:27:58 h15
06.09 59km JPN9th Kyoto Grand Traverse 7:17:23 h1 🏆
08.06 100km JPN13th Hida Takayama 100 km Ultramarathon 8:42:23 h18
10.05 115.1km JPN3rd Aso Volcano Trail 13:03:44 h5
25.04 167km JPN10th Ultra-Trail Mt. Fuji 22:25:56 h15
15.03 50mi JPN11th Mt. Hiei Int. 50 Mile Trail Run 9:44:07 h4
25.01 80km JPN4th Nara Ishibutai 100 - 80km 10:34:35 h2 🥈
2024
02.11 95km CHN9th Ultimate Tsaigu Trail Kuocang - 105 km 11:21:36 h37
26.10 80km KOR1st Asia Pacific Trail Running Championship 8:49:40 h16
28.09 69km CAN1st Ultra Trail Whistler by UTMB - 70K 8:41:23 h7
24.05 160km JPN3rd Tokyo Grand Trail - 100mi 29:43:15 h1 🏆
26.04 167km JPN9th Ultra-Trail Mt. Fuji 21:41:47 h8
23.03 109km JPN2nd Hiroshima Wangan Trail Run 14:05:00 h3 🥉
27.01 66km JPN3rd Nara Ishibutai 100 - 66km 9:15:03 h1 🏆
2023
18.11 106km JPN9th FunTrails100K Round 14:33:14 h2 🥈
06.10 169km JPN3rd Lake Biwa 100 27:29:40 h2 🥈
02.06 170km JPN2nd Tamba 100 Adventure Trail - 100mi 29:59:12 h1 🏆
13.05 50mi JPN9th Mt. Hiei Int. 50 Mile Trail Run 9:51:53 h2 🥈
2022
09.12 171km THA3rd Thailand by UTMB - 100mi 32:53:34 h54
12.06 100km JPN10th Hida Takayama 100 km Ultramarathon 9:43:34 h65
21.05 50mi JPN8th Mt. Hiei Int. 50 Mile Trail Run 9:29:30 h8
22.04 167km JPN7th Ultra-Trail Mt. Fuji 23:51:25 h43
10.04 70km JPN7th Okumikawa Power Trail 7:42:38 h1 🏆
2021
26.11 100mi JPN1st TAMBA 100 Adventure Trail - 100mi 38:21:17 h3 🥉
24.10 66km JPN6th Osorakan-Trail 66 km 8:29:23 h1 🏆
01.10 167km JPN1st Lake Biwa 100 28:08:53 h3 🥉
05.09 9h JPN1st Saijo Inari 9 Hours Endurance Race 64.400 km1 🏆
04.04 50mi JPN1st Yasu Ultrunrace 50 miles 10:44:14 h1 🏆
2020
23.08 60km JPN9th World Geopark Trail Run in Sanin Kaigan 6:24:07 h1 🏆
2019
08.12 71.7km JPN6th Izu Trail Journey 6:39:01 h14
03.11 48km JPN3rd Ninja Trail Run 5:10:42 h5
06.10 73km JPN5th Gasando Trail running race 8:24:18 h1 🏆
21.09 143km JPN6th SkyView Ultra-Trail 140 - Yamada Noboru Memorial Cup 18:39:49 h3 🥉
15.07 60km JPN8th World Geopark Trail Run in Sanin Kaigan 6:36:00 h1 🏆
09.06 100km JPN8th Hida Takayama 100 km Ultramarathon 8:47:07 h22
25.05 50mi JPN5th Mt. Hiei Int. 50 Mile Trail Run 9:47:07 h1 🏆
07.04 70km JPN5th Okumikawa Power Trail 7:26:16 h1 🏆
2018
09.12 71.7km JPN5th Izu Trail Journey 7:46:11 h17
14.10 73km JPN4th Gasando Trail running race 7:32:49 h2 🥈
10.06 100km JPN7th Hida Takayama 100 km Ultramarathon 8:43:29 h14
12.05 50mi JPN4th Mt. Hiei Int. 50 Mile Trail Run 9:53:05 h4
28.04 92km JPN5th Shizuoka to Yamanashi 12:15:17 h16
2017
10.12 71.7km JPN4th Izu Trail Journey 8:24:42 h36
15.10 57.8km JPN1st Kohechi Trail Journey 6:30:17 h1 🏆
13.05 50km JPN3rd Mt. Hiei Int. 50 km Trail Run 6:52:19 h16
23.04 100km JPN27th Fuji 5 Lakes 100 km Challenge 11:31:30 h384
2016
12.06 72km JPN5th Hida Takayama 72 km Ultramarathon 6:47:03 h22
28.05 50km JPN2nd Mt. Hiei Int. 50 km Trail Run 7:02:03 h54