Usui, Naoki

Born 19742017 – 2026

Events

27 race dates

Best pace

9.218

km/h · 2025

Best finish

1st

of 57 · 2023

Distance raced

3,324

km · splits not double-counted

Pace over time

27 of 28 results · km/h

Actual pace
Age-graded pace

1 result is not on this chart. They are counted in every statistic above and listed in full below — backyard ultras carry a lap count instead of a pace, which is the number that means something in that format.

Results

Every result for this runner in date order. Splits of a race are indented and are not counted again in the distance total.
Date	Event	Distance	Result	Pace km/h	Placing
2017-04-23	Okumikawa Power TrailJapan*Aichi Pref.	70km	12:06:18 h	5.783	253/411
2017-05-13	Mt. Hiei Int. 50 Km Trail RunJapan*Aichi Pref.	50km	9:28:07 h	5.281	382/726
2017-06-25	Spatrail - Shima to KusatsuJapan	72.7km	11:36:39 h	6.261	350/740
2017-09-23	SkyView Ultra-Trail 60 - Yamada Noboru Memorial CupJapan*Aichi Pref.	75km	12:20:33 h	6.077	14/242
2017-10-29	OSJ Yamanaka Onsen Trail RunJapan*Aichi Pref.	75km	14:53:33 h	5.036	42/88
2017-11-19	Koshu Alps Haute Route ChallengeJapan*Aichi Pref.	64km	11:13:30 h	5.702	23/92
2017-12-03	Kumano Old TrailsJapan	50km	7:22:12 h	6.784	17/161
2018-04-14	Osaka Nature Trail Grand Traverse 52Japan	52km	6:21:03 h	8.188	7/64
2018-04-22	Okumikawa Power TrailJapan*Aichi Pref.	70km	10:23:50 h	6.733	37/264
2018-05-19	Trainic World 100 Km in Sai-No-KuniJapan*Aichi Pref.	106km	22:15:04 h	4.764	37/293
2018-09-22	SkyView Ultra-Trail 120 - Yamada Noboru Memorial CupJapan*Aichi Pref.	129km	24:21:21 h	5.296	53/493
2018-10-20	OSJ Hyonosen Mountains Trail RaceJapan	73km	10:41:59 h	6.823	37/295
2019-06-15	Yuzawa Sky Extreme TrailJapan	55km	8:59:01 h	6.122	29/102
2019-09-07	Kyoto Grand TraverseJapan	65km	8:45:33 h	7.421	10/102
2019-09-14	Shinetsu Five Mountains Trail 100 mileJapan*Aichi Pref.	100mi	30:28:19 h	5.281	148/328
2019-12-08	Izu Trail JourneyJapan	71.7km	10:14:28 h	7.001	472/1372
2020-10-10	OSJ Koumi 100Japan京都マイラーズ	100mi	32:50:14 h	4.901	50/118
2020-12-29	Kyoto Great RoundJapan	130km	22:55:05 h	5.672	11/57
2021-10-01	Lake Biwa 100Japan	167km	35:51:03 h	4.658	17/77
2022-03-05	Kumagawa Revival TrailJapan	167km	29:47:10 h	5.607	11/155
2022-05-21	Trainic World 100 Mile in Sai-No-KuniJapan京都マイラーズ	100mi	34:45:08 h	4.631	93/94
2023-02-18	Daimonji 100Japan	100km	20:18:31 h	4.924	15/56
2023-07-15	Michinoku Tsugaru Journey Run 263KJapan京都マイラーズ	266km	36:07:26 h	7.364	1/57
2023-11-10	TransLantau 140 by UTMBHong KongKyoto Milers	139km	25:48:15 h	5.387	32/248
2023-12-29	Kyoto Great Round 100 milesJapan	100Miles	29:30:38 h	—	10/14
2025-03-29	Biwako 24Japan	24h	221.235 km	9.218	1/47
2025-12-28	Kyoto Great Round 200 kmJapan	200km	45:35:12 h	4.387	4/5
2026-03-28	Biwako 24Japan	24h	212.000 km	8.833	3/92