Umezawa, Isao

Born 19642007 – 2021

Events

129

106 race dates

Best pace

12.864

km/h · 2016

Best finish

1st

of 232 · 2015

Distance raced

19,913

km · splits not double-counted

Pace over time

km/h · higher is faster

Actual pace
Age-graded pace
Split of a race already plotted

Results

Every result for this runner in date order. Splits of a race are indented under it and are not counted again in the distance total.
Date	Event	Distance	Result	Pace km/h	Placing
2007-05-27	OSJ Hakone 50KJapan*Saitama Pref.	50km	10:54:15 h	4.585	249/699
2008-05-03	Yamaguchi 100 Hagi-O-Kan Maranic 140 kmJapan*Saitama	140km	17:33:53 h	7.971	5/165
2008-06-08	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	9:17:48 h	10.757	23/214
2008-07-20	OSJ Ontake 100km Ultra TrailJapan*Saitama Pref.	100km	13:02:09 h	7.671	52/257
2008-08-03	Ultramarathon OkumusashiJapan皇居21Ac	75km	7:38:16 h	9.820	99/780
2008-09-14	Karisakatoge beyond Chichibu RunJapan皇居21Ac	143km	17:33:45 h	8.142	6/102
2008-09-28	Akita Nairiku 100km MarathonJapan*Saitama	100km	9:25:35 h	10.609	57/696
2008-10-11	Echigo Kubikino 100km UltramarathonJapan*Saitama Pref.	100km	9:48:24 h	10.197	75/753
2009-04-11	Toda Saiko 70 kmJapan*Saitama Pref.	70km	5:45:22 h	12.161	6/174
2009-05-02	Yamaguchi 100 Hagi-O-Kan Maranic 250 kmJapan*Saitama	250km	35:29:06 h	7.045	10/217
2009-05-17	Yatsugatake Nobeyama 100 kmJapan皇居21Ac	100km	11:14:26 h	8.896	111/823
2009-06-14	Iwate Ginga 100km Marathon ChallengeJapan*Saitama	100km	9:03:17 h	11.044	24/424
2009-06-28	Lake Saroma 100 Km UltramarathonJapan*Saitama Pref.	100km	8:36:22 h	11.620	64/2284
2009-07-05	OSJ Shiga Kogen Trail 50KJapan皇居21Ac	50km	8:45:55 h	5.704	134/335
2009-07-19	OSJ Ontake 100km Ultra TrailJapan*Saitama Pref.	100km	13:00:47 h	7.685	63/389
2009-08-02	Ultramarathon OkumusashiJapan*Saitama Pref.	75km	7:13:46 h	10.374	98/940
2009-09-19	Karisakatoge beyond Chichibu RunJapan武蔵ウルトラマラソンクラブ	143km	15:42:53 h	9.100	2/126
2009-09-27	Akita Nairiku 100km MarathonJapan*Saitama	100km	8:44:04 h	11.449	19/725
2010-04-17	Sakura Michi Kokusai Nature RunJapan	250km	31:08:00 h	8.030	18/84
2010-05-16	Yatsugatake Nobeyama 100 kmJapan武蔵umc	100km	10:11:21 h	9.814	82/1097
2010-06-13	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	9:14:33 h	10.820	24/422
2010-07-04	8-Hour Endurance Race Tokorozawa - 3 taiJapan武蔵ｳﾙﾄﾗﾏﾗｿﾝｸﾗﾌﾞ	8h	84.396 km	10.550	1/67
2010-08-01	Ultramarathon OkumusashiJapan*Saitama Pref.	77km	6:56:44 h	11.086	36/921
2010-09-17	Karisakatoge beyond Chichibu RunJapan武蔵ウルトラマラソンクラブ	143km	17:58:49 h	7.953	7/112
2010-10-09	Echigo Kubikino 100km UltramarathonJapan*Saitama Pref.	100km	9:20:04 h	10.713	49/937
2011-03-05	Little Edo Oedo 200kJapan武蔵umc	203km	23:56:30 h	8.479	2/49
2011-04-16	Sakura Michi Kokusai Nature RunJapan*Shiki City, Saitama P...	250km	28:43:00 h	8.706	6/89
2011-05-21	12 hour TokorozawaJapanUltra-Marathon Club Mi	12h	128.227 km	10.686	2/80
2011-06-12	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	8:28:00 h	11.811	15/597
2011-07-10	8-Hour Endurance Race Tokorozawa - 3 taiJapan*Saitama Ken	8h	81.150 km	10.144	5/85
2011-07-16	OSJ Ontake 100 Mile Ultra TrailJapan*Saitama Pref.	100mi	22:52:30 h	7.035	18/20
2011-08-07	Ultramarathon OkumusashiJapanUltra-Marathon Club Mi	77km	6:41:11 h	11.516	38/1052
2011-09-08	Across Honshu R7 Foot RaceJapan	430km	4d 01:59:00 h	4.389	1/5
2011-09-18	Karisakatoge beyond Chichibu RunJapan武蔵ウルトラマラソンクラブ	143km	16:31:18 h	8.655	3/122
2011-10-02	SkyView Ultra-TrailJapan*Saitama Pref.	50km	6:50:26 h	7.309	26/287
2011-11-06	Kanna Mountain Run IIJapanTeam michaco 8	50km	7:25:09 h	6.739	13/64
2012-03-03	Little Edo Oedo 200kJapan武蔵umc	203km	24:12:12 h	8.387	3/92
2012-04-21	Sakura Michi Kokusai Nature RunJapanUltra-Marathon Club Mi	250km	28:22:00 h	8.813	11/83
2012-05-03	River Road Foot Race 255 KmJapan	255km	34:48:12 h	7.327	1/20
2012-06-10	Iwate Ginga 100km Marathon ChallengeJapan武蔵UMC	100km	8:26:52 h	11.837	15/804
2012-08-12	Trans Japan Alps Race (TJAR)Japan	415km	7d 13:45:00 h	2.283	12/18
2012-09-16	Karisakatoge beyond Chichibu RunJapanチーム凰	143km	18:21:14 h	7.791	17/155
2012-11-03	OSJ Yatsugatake Super Trail 100 miles raceJapan*Saitama Pref.	100mi	25:55:14 h	6.209	37/138
2012-12-09	Coedo Kawagoe 6 Hours RunJapanチーム鳳	6h	68.840 km	11.473	4/46
2013-03-02	Little Edo Oedo 200kJapanチーム鳳	203km	25:17:16 h	8.028	8/159
2013-03-10	Izu Trail JourneyJapan*Saitama Pref.	72km	8:54:49 h	8.078	74/1148
2013-04-19	Sakura Michi Kokusai Nature RunJapan*Shiki City, Saitama P...	250km	29:55:00 h	8.357	10/81
2013-05-02	Yamaguchi 100 Hagi-O-Kan Maranic 250 kmJapan*Saitama Pref.	250km	35:01:26 h	7.138	11/277
2013-06-09	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	8:11:17 h	12.213	11/873
2013-07-07	8-Hour Endurance Race Tokorozawa - 3 taiJapan*Saitama Ken	8h	81.150 km	10.144	3/88
2013-09-07	OSJ Yatsugatake Super Trail 100 miles raceJapan*Saitama Pref.	100mi	23:37:02 h	6.814	6/154
2013-09-15	Karisakatoge beyond Chichibu RunJapanチーム凰	142km	15:26:40 h	9.194	2/170
2014-03-01	Little Edo Oedo 200kJapanチ-ム凰	203km	23:33:04 h	8.620	3/151
2014-03-27	Race Across Taiwan Nonstop 246kmChinese Taipei	146km	19:14:00 h	7.591	9/20
2014-04-18	Sakura Michi Kokusai Nature RunJapan*Shiki City, Saitama P...	250km	28:08:27 h	8.884	7/97
2014-04-30	River Road Foot Race 520 KmJapan	520km	3d 05:36:15 h	6.701	1/48
2014-06-08	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	8:04:08 h	12.393	6/977
2014-07-06	8-Hour Endurance Race Tokorozawa - 3 taiJapan*Saitama Ken	8h	94.134 km	11.767	1/97
2014-07-19	OSJ Ontake 100 Mile Ultra TrailJapan*Saitama Pref.	100mi	21:50:55 h	7.366	29/61
2014-09-14	Karisakatoge beyond Chichibu RunJapanチーム凰	142km	15:53:17 h	8.938	5/196
2014-09-28	Akita Nairiku 100km MarathonJapan*Saitama	100km	8:55:54 h	11.196	35/662
2014-11-01	Setouchi Angya 2014Japan	217km	24:53:28 h	8.718	1/20
2014-11-08	Jingu Gaien 24 Hour ChallengeJapanIAU Gold	24h	224.015 km	9.334	10/116
2014-11-08	Jingu Gaien 24 Hour Challenge -12h SplitJapanIAU Gold	12h	124.509 km	10.376	16/115
2014-11-08	Jingu Gaien 24 Hour Challenge - 6h SplitJapanIAU GoldSplit of the race above; not counted again in the distance total	6h	64.903 km	10.817	20/107
2015-02-28	Little Edo Oedo 200kJapanチーム凰	203km	22:31:34 h	9.012	1/232
2015-03-15	Nagoura Marathon 100 KmJapan	100km	8:20:57 h	11.977	2/229
2015-04-30	River Road Foot Race 520 KmJapan	520km	3d 07:55:38 h	6.506	1/66
2015-05-17	Gasando Trail running raceJapan*Shiki, Saitama Pref.	73km	7:51:58 h	9.280	20/284
2015-06-14	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	8:33:41 h	11.680	18/942
2015-06-22	Ultramarathon OkumusashiJapanチーム凰	77km	6:33:21 h	11.745	37/1376
2015-09-25	SpartathlonGreeceIAU Bronze	246km	32:24:06 h	7.592	59/174
2015-12-19	Jingu Gaien 24 Hour ChallengeJapanIAU Gold	24h	189.732 km	7.906	32/132
2016-03-05	Little Edo Oedo 230kJapanチーム凰	233km	27:45:46 h	8.393	5/19
2016-04-09	Toda Saiko 70 kmJapanチーム凰	70km	5:26:30 h	12.864	5/511
2016-04-30	River Road Foot Race 520 KmJapan	520km	3d 23:27:29 h	5.447	5/93
2016-06-05	Ultramarathon OkumusashiJapanチーム凰	78km	6:19:57 h	12.317	32/1422
2016-06-12	Iwate Ginga 100km Marathon ChallengeJapan*Saitama Pref.	100km	8:34:49 h	11.655	12/1008
2016-07-03	8-Hour Endurance Race Tokorozawa - 3 taiJapan*Saitama Ken	8h	81.150 km	10.144	2/101
2016-07-17	Michinoku Tsugaru Journey Run 200KJapanチーム凰	200km	27:33:49 h	7.256	8/117
2016-12-17	Jingu Gaien 24 Hour ChallengeJapanIAU Gold	24h	121.902 km	5.079	123/149
2017-03-04	Little Edo Oedo 200kJapan	204km	28:53:38 h	7.060	51/241
2017-03-11	Southern Cross-Island Highway 120 km Ultra MarathonChinese Taipei	120km	13:09:40 h	9.118	23/93
2017-04-08	Toda Saiko 70 kmJapanチーム凰	70km	5:35:53 h	12.504	22/620
2017-04-22	Sakura Michi Kokusai Nature RunJapan	250km	33:04:24 h	7.559	40/106
2017-04-30	River Road Foot Race 520 KmJapan	520km	4d 23:33:20 h	4.349	26/94
2017-07-02	Nikko 100km UltramarathonJapan*Saitama Pref.	100km	9:11:43 h	10.875	30/1160
2017-09-24	Jonaizaka 100 Km Ultra MarathonJapan	100km	10:18:00 h	9.709	5/122
2017-11-11	Jingu Gaien 24 Hour ChallengeJapanIAU Silver	24h	196.193 km	8.175	39/147
2017-11-23	Okinawa Hontō survival runJapan	400km	2d 11:06:03 h	6.768	2/19
2018-02-09	Taipei 48hr Ultra MarathonChinese TaipeiIAU Silver	48h	334.549 km	6.970	5/56
2018-02-09	Taipei 48hr Ultra Marathon - 24h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	24h	190.281 km	7.928	6/56
2018-02-09	Taipei 48hr Ultra Marathon - 12h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	12h	99.450 km	8.288	20/55
2018-02-09	Taipei 48hr Ultra Marathon - 6h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	6h	59.007 km	9.835	10/43
2018-02-09	Taipei 48hr Ultra Marathon - 100mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	100mi	19:51:45 h	8.102	9/45
2018-02-09	Taipei 48hr Ultra Marathon - 100km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	100km	12:07:34 h	8.247	20/53
2018-02-09	Taipei 48hr Ultra Marathon - 50mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	50mi	8:46:29 h	9.170	14/55
2018-02-09	Taipei 48hr Ultra Marathon - 50km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total	50km	4:54:55 h	10.172	5/56
2018-03-03	Little Edo Oedo 200kJapan	204km	31:18:28 h	6.516	79/245
2018-03-17	Southern Cross-Island Highway 100 km Ultra MarathonChinese Taipei	100km	9:11:10 h	10.886	2/454
2018-04-21	Sakura Michi Kokusai Nature RunJapan	250km	31:26:00 h	7.953	17/82
2018-04-30	River Road Foot Race 514 KmJapan	514km	4d 19:12:09 h	4.462	21/97
2018-06-03	Ultramarathon OkumusashiJapanチーム凰	78km	6:51:03 h	11.385	38/1396
2018-07-14	Michinoku Tsugaru Journey Run 263KJapanチーム凰	263km	39:59:36 h	6.576	11/101
2018-08-21	Across Honshu R8 Foot RaceJapan	521km	5d 10:59:00 h	3.978	1/7
2018-09-15	Utsukushima Fukushima Journey Run 250KJapanチーム凰	250km	39:56:58 h	6.258	9/52
2018-11-10	Jingu Gaien 24 Hour ChallengeJapanIAU Silver	24h	177.576 km	7.399	57/144
2018-11-23	Okinawa Hontō survival runJapan	400km	2d 14:27:07 h	6.405	4/23
2019-02-15	Taipei 48hr Ultra MarathonChinese TaipeiIAU Silver日本隊	48h	336.955 km	7.020	4/48
2019-02-15	Taipei 48hr Ultra Marathon - 24h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	24h	183.651 km	7.652	8/48
2019-02-15	Taipei 48hr Ultra Marathon - 12h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	12h	104.091 km	8.674	11/45
2019-02-15	Taipei 48hr Ultra Marathon - 6h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	6h	61.659 km	10.277	4/40
2019-02-15	Taipei 48hr Ultra Marathon - 100mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	100mi	21:27:50 h	7.498	13/40
2019-02-15	Taipei 48hr Ultra Marathon - 100km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	100km	11:32:54 h	8.659	14/46
2019-02-15	Taipei 48hr Ultra Marathon - 50mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	50mi	8:03:36 h	9.984	4/46
2019-02-15	Taipei 48hr Ultra Marathon - 50km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	50km	4:50:22 h	10.332	4/48
2019-03-02	Taiwania 100 Ultra TrailChinese TaipeiIAU Other	100km	12:52:38 h	7.766	57/162
2019-04-30	River Road Foot Race 514 KmJapan	514km	3d 21:42:59 h	5.485	7/99
2019-11-22	Okinawa Hontō survival runJapan	400km	2d 20:32:26 h	5.836	1/5
2020-02-07	Taipei 48hr Ultra MarathonChinese TaipeiIAU Silver日本隊	48h	327.876 km	6.831	5/38
2020-02-07	Taipei 48hr Ultra Marathon - 24h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	24h	162.435 km	6.768	13/38
2020-02-07	Taipei 48hr Ultra Marathon - 12h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	12h	88.842 km	7.404	19/36
2020-02-07	Taipei 48hr Ultra Marathon - 6h SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	6h	55.692 km	9.282	7/29
2020-02-07	Taipei 48hr Ultra Marathon - 100mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	100mi	23:50:16 h	6.751	13/31
2020-02-07	Taipei 48hr Ultra Marathon - 100km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	100km	14:07:08 h	7.083	19/36
2020-02-07	Taipei 48hr Ultra Marathon - 50mi SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	50mi	10:30:07 h	7.662	16/38
2020-02-07	Taipei 48hr Ultra Marathon - 50km SplitChinese TaipeiIAU SilverSplit of the race above; not counted again in the distance total日本隊	50km	5:15:21 h	9.513	7/38
2020-02-22	Little Edo Oedo 205kJapanチーム凰	206km	29:07:53 h	7.071	40/258
2021-04-30	River Road Foot Race 503 KmJapan	503km	3d 16:26:11 h	5.688	3/70