Mikiko (太田美紀子) Ota

ID 72027

Born : 1975 Cat. W50 Ultrarunner since 2006

DUV-index ?Largest integer N such that the runner has at least N credited races of at least N km.

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

Countries visited ?

Croatia

Spain

France

United Kingdom

Germany

India

Italy

Japan

Netherlands

Portugal

14,3%

Rank quotient ?This runner's calculation uses 75 eligible race(s): Σ(rank − 1) = 10 645; Σ finishers = 74 643. 10 645 / 74 643 × 100 = 14.26%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed75

Km — ultra races6 292 km

> 100 km4

Longest race119,0 km

5ème Sur les Traces des Ducs de Savoie (TDS) — 27/8/2014

Km per year (ultra races)

648

2022

323

2023

523

2024

151

2025

151

2026

Race types (share of distance)

Road57,7%

Trail42,3%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F10

🏅 Top 30

🏅 Top 3 F26

Longest winning streak0

Current streak0

Records

50 km3h38'24 100 km7h28'42

HISTORY

78 race(s)

Date		Race	Perf.	Rk
2026
28.06	100km	41. Lake Saroma 100 km Ultramarathon	7:28:50 h	35
05.04	51.4km	4th AYABE Trailrun	5:56:24 h	15
2025
29.06	100km	40. Lake Saroma 100 km Ultramarathon	7:32:21 h	16
06.04	51.4km	3rd AYABE Trailrun	5:49:25 h	8
2024
07.12	100km	32nd 100 km Bengaluru - IAU World Championship	8:00:00 h	53
07.12	100km	100 km Bengaluru - open race	8:00:00 h	55
07.12	100km	100 km Bengaluru - WMA World Championship	8:00:00 h	18
13.10	71.5km	32th Hasetsune Cup - Japan Mountain Endurance Race	10:15:46 h	64
30.06	100km	39. Lake Saroma 100 km Ultramarathon	7:45:08 h	22
14.04	51.4km	2nd AYABE Trailrun	6:06:59 h	17
2023
08.10	71.5km	31th Hasetsune Cup - Japan Mountain Endurance Race	10:58:32 h	134
30.07	100km	IAU 100 km Asia and Oceania Championships	7:54:33 h	10
25.06	100km	38. Lake Saroma 100 km Ultramarathon	7:28:42 h	12
09.04	51.4km	1st AYABE Trailrun	6:01:33 h	27
2022
24.12	50km	1st Oi Ultra Trach Race	3:38:24 h	14
09.10	71.5km	30th Hasetsune Cup - Japan Mountain Endurance Race	10:49:28 h	103
17.09	50km	1st Furano Biei Nature Run 50km	5:18:01 h	5
27.08	50mi	100 km Berlin Bernau, combined IAU & WMA race - 50mi split	6:16:05 h	76
27.08	100km	100 km Berlin Bernau, combined IAU & WMA race	7:35:25 h	73
27.08	50km	100 km Berlin Bernau, combined IAU & WMA race - 50km split	3:44:52 h	95
27.08	100km	100 km Berlin Bernau, IAU 100 km WC	7:35:25 h	71
16.07	106.5km	14th OSJ Ontake 100km Ultra Trail	11:52:38 h	36
22.05	100km	10th Tokyo Shibamata 100 km	7:34:22 h	13
10.04	70km	7th Okumikawa Power Trail	9:26:03 h	22
2021
12.12	69.1km	8th Izu Trail Journey	7:59:34 h	53
2020
13.12	66km	7th Izu Trail Journey	7:42:31 h	50
18.10	54km	7th Shigakogen Extreme Trail	7:51:30 h	46
2019
01.09	50km	12th OSJ Adatara Trail 50K	9:33:07 h	20
30.06	100km	34. Lake Saroma 100 km Ultramarathon	7:38:52 h	24
07.04	70km	5th Okumikawa Power Trail	9:14:31 h	28
2018
07.10	71.5km	26th Hasetsune Cup - Japan Mountain Endurance Race	10:38:07 h	44
08.09	100km	Cro100 - total (WC,WMA,open)	7:39:45 h	55
08.09	100km	WMA 100km, Sveti Martin	7:39:45 h	27
08.09	100km	30. IAU 100km WC, Sveti Martin	7:39:45 h	52
24.06	100km	33. Lake Saroma 100 km Ultramarathon	7:44:01 h	34
22.04	70km	4th Okumikawa Power Trail	9:19:12 h	11
2017
10.12	71.7km	4th Izu Trail Journey	8:39:03 h	46
08.10	71.5km	25th Hasetsune Cup - Japan Mountain Endurance Race	11:53:03 h	159
25.06	100km	32. Lake Saroma 100 km Ultramarathon	7:49:21 h	25
23.04	70km	3rd Okumikawa Power Trail	9:08:46 h	30
2016
27.11	100km	100km Los Alcazares, combined IAU & WMA & open race	7:47:38 h	73
27.11	100km	100km Los Alcazares, IAU 100 km WC	7:47:38 h	68
29.10	85km	6th IAU Trail WC Trans Peneda-Geres, Braga	13:28:22 h	179
26.06	100km	31. Lake Saroma 100 km Ultramarathon	7:58:29 h	51
24.04	70km	2nd Okumikawa Power Trail	9:23:12 h	50
2015
31.10	71.5km	23rd Hasetsune Cup - Japan Mountain Endurance Race	10:46:14 h	184
12.09	50km	40. RUN Winschoten 100 km - 50km Split	3:52:00 h	108
12.09	100km	IAU 100km WC (RUN Winschoten 100 km)	7:52:39 h	78
12.09	100km	40. RUN Winschoten 100 km - open race	7:52:39 h	84
28.06	100km	30. Lake Saroma 100 km Ultramarathon	7:57:51 h	48
2014
12.10	71.5km	22nd Hasetsune Cup - Japan Mountain Endurance Race	11:18:12 h	221
27.08	119km	5ème Sur les Traces des Ducs de Savoie	25:29:56 h	283
29.06	100km	29. Lake Saroma 100 km Ultramarathon	8:54:28 h	77
18.05	71km	20th Yatsugatake Nobeyama 71 km	6:17:24 h	4
20.04	72km	24th Fuji 5 Lakes 72 km Challenge	6:14:38 h	17
2013
13.10	71.5km	21st Hasetsune Cup - Japan Mountain Endurance Race	11:20:45 h	207
13.07	100km	6th OSJ Ontake 100km Ultra Trail	12:46:40 h	88
30.06	100km road race	28. Lake Saroma 100 km Ultramarathon	8:33:10 h	65
19.05	71km	19th Yatsugatake Nobeyama 71 km	6:26:29 h	4
2012
07.10	71.5km	20th Hasetsune Cup - Japan Mountain Endurance Race	11:52:12 h	267
31.08	103.4km trail race	10ème Ultra Trail Tour du Mont Blanc (UTMB)	20:30:55 h	1070
24.06	100km road race	27. Lake Saroma 100 km Ultramarathon	8:25:54 h	59
22.04	100km	26th IAU 100km WC Seregno	8:45:15 h	125
2011
09.10	71.5km	19th Hasetsune Cup - Japan Mountain Endurance Race	12:21:43 h	259
24.09	110km	3rd Shinetsu Five Mountains Trail 110km	15:40:38 h	55
26.06	100km road race	26. Lake Saroma 100 km Ultramarathon	8:14:22 h	40
2010
07.11	100km	24th IAU 100km WC Gibraltar	8:12:06 h	74
07.11	100km	IAU/WMA 100km Gibraltar - Open race	8:12:06 h	76
10.10	71.5km	18th Hasetsune Cup - Japan Mountain Endurance Race	14:34:37 h	416
27.06	100km	25. Lake Saroma 100 km Ultramarathon	8:37:41 h	57
11.04	50km	2nd OSJ Okukuji Trail 50k	11:59:02 h	140
2009
11.10	71.5km	17th Hasetsune Cup - Japan Mountain Endurance Race	15:16:32 h	652
08.02	50km	1st OSJ Jungle Trail 50K Amami	7:21:58 h	145
2008
12.10	71.5km	16th Hasetsune Cup - Japan Mountain Endurance Race	20:12:20 h	1362
2007
04.05	70km	19. Yamaguchi 100 Hagi-O-Kan Maranic 70 km	10:19:55 h	108
2006
15.10	100km	12th River Shimanto 100km	13:51:05 h	975
30.09	88km	9th Muraoka 88 km Ultra Marathon	13:09:41 h	55
25.06	100km	21. Lake Saroma 100 km Ultramarathon	12:50:02 h	1477

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	27/8/2014	5ème Sur les Traces des Ducs de Savoie (TDS)	119,00	×2
✓ 2	24/9/2011	3rd Shinetsu Five Mountains Trail 110km	110,00	×1
✓ 3	16/7/2022	14th OSJ Ontake 100km Ultra Trail	106,50	×1
✓ 4	31/8/2012	10ème Ultra Trail Tour du Mont Blanc (UTMB) (FRA)	103,40	×1
✓ 5	28/6/2026	41. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 6	29/6/2025	40. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 7	7/12/2024	32nd 100 km Bengaluru - IAU World Championship	100,00	×1
✓ 8	30/6/2024	39. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 9	30/7/2023	IAU 100 km Asia and Oceania Championships	100,00	×1
✓ 10	25/6/2023	38. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 11	27/8/2022	100 km Berlin Bernau, combined IAU & WMA race	100,00	×1
✓ 12	22/5/2022	10th Tokyo Shibamata 100 km	100,00	×1
✓ 13	30/6/2019	34. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 14	8/9/2018	Cro100 - total (WC,WMA,open)	100,00	×1
✓ 15	24/6/2018	33. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 16	25/6/2017	32. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 17	27/11/2016	100km Los Alcazares, combined IAU & WMA & open race	100,00	×1
✓ 18	26/6/2016	31. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 19	12/9/2015	IAU 100km WC (RUN Winschoten 100 km)	100,00	×1
✓ 20	28/6/2015	30. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 21	29/6/2014	29. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 22	13/7/2013	6th OSJ Ontake 100km Ultra Trail	100,00	×1
✓ 23	30/6/2013	28. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 24	24/6/2012	27. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 25	22/4/2012	26th IAU 100km WC Seregno	100,00	×1
✓ 26	26/6/2011	26. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 27	7/11/2010	24th IAU 100km WC Gibraltar	100,00	×1
✓ 28	27/6/2010	25. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 29	15/10/2006	12th River Shimanto 100km	100,00	×1
✓ 30	25/6/2006	21. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 31	30/9/2006	9th Muraoka 88 km Ultra Marathon	88,00	×1
✓ 32	29/10/2016	6th IAU Trail WC Trans Peneda-Geres, Braga	85,00	×1
✓ 33	20/4/2014	24th Fuji 5 Lakes 72 km Challenge	72,00	×1
✓ 34	10/12/2017	4th Izu Trail Journey	71,70	×1
✓ 35	13/10/2024	32th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 36	8/10/2023	31th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 37	9/10/2022	30th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 38	7/10/2018	26th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 39	8/10/2017	25th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 40	31/10/2015	23rd Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 41	12/10/2014	22nd Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 42	13/10/2013	21st Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 43	7/10/2012	20th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 44	9/10/2011	19th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 45	10/10/2010	18th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 46	11/10/2009	17th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 47	12/10/2008	16th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 48	18/5/2014	20th Yatsugatake Nobeyama 71 km	71,00	×1
✓ 49	19/5/2013	19th Yatsugatake Nobeyama 71 km	71,00	×1
✓ 50	10/4/2022	7th Okumikawa Power Trail	70,00	×1
✓ 51	7/4/2019	5th Okumikawa Power Trail	70,00	×1
✓ 52	22/4/2018	4th Okumikawa Power Trail	70,00	×1
✓ 53	23/4/2017	3rd Okumikawa Power Trail	70,00	×1
✓ 54	24/4/2016	2nd Okumikawa Power Trail	70,00	×1
✓ 55	4/5/2007	19. Yamaguchi 100 Hagi-O-Kan Maranic 70 km	70,00	×1
✓ 56	12/12/2021	8th Izu Trail Journey	69,10	×1
✓ 57	13/12/2020	7th Izu Trail Journey	66,00	×1
58	18/10/2020	7th Shigakogen Extreme Trail	54,00	—
59	5/4/2026	4th AYABE Trailrun	51,40	—
60	6/4/2025	3rd AYABE Trailrun	51,40	—
61	14/4/2024	2nd AYABE Trailrun	51,40	—
62	9/4/2023	1st AYABE Trailrun	51,40	—
63	24/12/2022	1st Oi Ultra Trach Race	50,00	—
64	17/9/2022	1st Furano Biei Nature Run 50km	50,00	—
65	1/9/2019	12th OSJ Adatara Trail 50K	50,00	—
66	11/4/2010	2nd OSJ Okukuji Trail 50k	50,00	—
67	8/2/2009	1st OSJ Jungle Trail 50K Amami	50,00	—