Tomoko (鈴木朋子) Suzuki

Born : 1959 Cat. W65 Ultrarunner since 2003

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 ?

Japan

51,7%

Rank quotient ?This runner's calculation uses 81 eligible race(s): Σ(rank − 1) = 33 600; Σ finishers = 64 945. 33 600 / 64 945 × 100 = 51.74%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed81

Km — ultra races6 909 km

> 100 km5

Longest race118,0 km

25th Fuji 5 Lakes 118 km Challenge — 19/4/2015

Km per year (ultra races)

2022

2023

2024

229

2025

155

2026

Race types (share of distance)

Road97,5%

Trail2,5%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F0

🏅 Top 30

🏅 Top 3 F1

Longest winning streak0

Current streak0

Records

50 km5h27'57 100 km11h03'33

HISTORY

81 race(s)

Date		Race	Perf.	Rk
2026
28.06	100km	41. Lake Saroma 100 km Ultramarathon	12:34:44 h	1947
11.04	8h	21st Toda Saiko 8 Hours	55.000 km	108
2025
19.10	70km	32. Ultramarathon Okumusashi	9:57:54 h	395
28.09	88km	28th Muraoka 88 km Ultra Marathon	13:48:07 h	200
12.04	71km	20th Toda Saiko 70 km	8:44:51 h	199
2022
03.07	8h	28th 8-Hour Endurance Race Tokorozawa	49.000 km	188
2021
04.07	8h	27th 8-Hour Endurance Race Tokorozawa	53.900 km	286
2020
19.01	100km	30th Miyako 100 km Ultramarathon	13:38:04 h	319
2019
19.10	51.4km	10th Inagawa 100km Ultra-Marathon	6:07:35 h	172
28.07	100km	9th North Okhotsk 100 km Marathon	13:12:29 h	159
30.06	100km	34. Lake Saroma 100 km Ultramarathon	12:11:46 h	1455
29.06	8h	25th 8-Hour Endurance Race Tokorozawa	63.700 km	129
09.06	100km	15th Iwate Ginga 100km Marathon Challenge	12:44:49 h	370
02.06	78km	26. Ultramarathon Okumusashi	9:38:58 h	726
13.04	70km	14th Toda Saiko 70 km	7:51:57 h	281
2018
20.10	100km	9th Inagawa 100km Ultra-Marathon	14:29:44 h	108
22.07	100km	8th North Okhotsk 100 km Marathon	12:14:12 h	130
30.06	8h	24th 8-Hour Endurance Race Tokorozawa	58.800 km	77
24.06	100km	33. Lake Saroma 100 km Ultramarathon	11:03:33 h	840
03.06	78km	25. Ultramarathon Okumusashi	9:29:41 h	499
14.04	70km	13th Toda Saiko 70 km	7:37:06 h	241
2017
15.10	100km	23rd River Shimanto 100km	12:21:06 h	624
23.07	100km	7th North Okhotsk 100 km Marathon	11:54:37 h	84
12.07	50km	9th Lake Inawashiro Ultra Marathon	5:27:57 h	17
02.07	8h	23th 8-Hour Endurance Race Tokorozawa - 3 tai	55.182 km	59
25.06	100km	32. Lake Saroma 100 km Ultramarathon	11:47:12 h	1099
11.06	100km	13th Iwate Ginga 100km Marathon Challenge	12:34:56 h	587
04.06	78km	24. Ultramarathon Okumusashi	9:00:43 h	467
15.04	102km	3rd Okuizumo Ultra Orochi 100km Tooashi	13:52:13 h	175
08.04	70km	12th Toda Saiko 70 km	7:41:00 h	294
15.01	100km	27th Miyako 100 km Ultramarathon	11:52:22 h	133
2016
18.09	100km	16th Tango 100 km Ultramarathon	12:39:33 h	559
03.07	8h	22th 8-Hour Endurance Race Tokorozawa - 3 tai	51.936 km	71
26.06	100km	31. Lake Saroma 100 km Ultramarathon	11:17:45 h	1045
12.06	100km	12th Iwate Ginga 100km Marathon Challenge	11:58:31 h	354
05.06	78km	23. Ultramarathon Okumusashi	8:49:57 h	457
22.05	100km	22nd Yatsugatake Nobeyama 100 km	13:34:10 h	983
09.04	70km	11th Toda Saiko 70 km	7:25:54 h	146
05.03	113km	6th Oedo Night run 113k	15:49:56 h	20
17.01	100km	26th Miyako 100 km Ultramarathon	11:54:44 h	129
2015
27.09	100km	18th Muraoka 100 km Ultra Marathon	13:35:17 h	385
13.09	100km	3rd 100 km Ultramarathon Hakusan-Shirakawago	13:45:29 h	401
12.07	8h	21th 8-Hour Endurance Race Tokorozawa - 3 tai	55.981 km	58
28.06	100km	30. Lake Saroma 100 km Ultramarathon	11:58:57 h	1568
22.06	77km	22. Ultramarathon Okumusashi	9:11:30 h	581
14.06	100km	11th Iwate Ginga 100km Marathon Challenge	12:27:40 h	443
19.04	118km	25th Fuji 5 Lakes 118 km Challenge	14:29:52 h	435
11.04	70km	10th Toda Saiko 70 km	7:59:38 h	271
11.01	100km	25th Miyako 100 km Ultramarathon	11:21:05 h	133
2014
12.10	100km	10th Echigo Kubikino 100km Ultramarathon	12:52:46 h	862
27.07	77km	21. Ultramarathon Okumusashi	10:14:57 h	528
06.07	8h	20th 8-Hour Endurance Race Tokorozawa - 3 tai	61.674 km	47
29.06	100km	29. Lake Saroma 100 km Ultramarathon	11:21:18 h	568
01.06	100km	2nd Tokyo Shibamata 100 km	13:26:20 h	403
20.04	108km	24th Fuji 5 Lakes 108 km Challenge	14:08:52 h	537
12.04	70km	9th Toda Saiko 70 km	7:51:46 h	228
01.03	112km	4th Oedo Night run 112k	17:32:14 h	41
2013
29.09	100km	16th Muraoka 100 km Ultra Marathon	13:50:16 h	214
28.07	77km	20. Ultramarathon Okumusashi	9:51:54 h	706
30.06	100km road race	28. Lake Saroma 100 km Ultramarathon	11:13:43 h	715
01.06	100km	1st Tokyo Shibamata 100 km	11:39:27 h	377
13.04	70km	8th Toda Saiko 70 km	7:31:46 h	124
2012
06.10	100km	9th Echigo Kubikino 100km Ultramarathon	13:04:44 h	826
08.09	100km	7th Bandai Highlands Inawashiro Lake - 100 km	12:36:44 h	18
05.08	77km	19. Ultramarathon Okumusashi	11:00:22 h	851
08.07	8h	18th 8-Hour Endurance Race Tokorozawa	68.166 km	90
24.06	100km road race	27. Lake Saroma 100 km Ultramarathon	11:40:24 h	1074
07.04	70km	7th Toda Saiko 70 km	7:58:07 h	133
2011
25.09	100km	14th Muraoka 100 km Ultra Marathon	13:23:59 h	163
03.09	100km	6th Bandai Highlands Inawashiro Lake - 100 km	12:14:16 h	15
07.08	77km	18. Ultramarathon Okumusashi	10:27:32 h	770
26.06	100km road race	26. Lake Saroma 100 km Ultramarathon	11:49:48 h	1035
09.04	70km	6th Toda Saiko 70 km	7:52:42 h	153
2010
26.09	88km	13th Muraoka 88 km Ultra Marathon	12:08:04 h	61
10.04	70km	5th Toda Saiko 70 km	8:20:32 h	154
2009
27.09	88km	12th Muraoka 88 km Ultra Marathon	12:51:54 h	76
02.08	75km	16. Ultramarathon Okumusashi	10:04:27 h	690
2008
03.08	75km	15. Ultramarathon Okumusashi	10:57:05 h	670
12.04	70km	3rd Toda Saiko 70 km	8:35:19 h	120
2007
29.09	88km	10th Muraoka 88 km Ultra Marathon	13:49:20 h	116
2003
25.10	71.5km	11th Hasetsune Cup - Japan Mountain Endurance Race	22:07:37 h	909

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	19/4/2015	25th Fuji 5 Lakes 118 km Challenge	118,00	×1
✓ 2	5/3/2016	6th Oedo Night run 113k	113,00	×1
✓ 3	1/3/2014	4th Oedo Night run 112k	112,00	×1
✓ 4	20/4/2014	24th Fuji 5 Lakes 108 km Challenge	108,00	×1
✓ 5	15/4/2017	3rd Okuizumo Ultra Orochi 100km Tooashi	102,00	×1
✓ 6	28/6/2026	41. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 7	19/1/2020	30th Miyako 100 km Ultramarathon	100,00	×1
✓ 8	28/7/2019	9th North Okhotsk 100 km Marathon	100,00	×1
✓ 9	30/6/2019	34. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 10	9/6/2019	15th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 11	20/10/2018	9th Inagawa 100km Ultra-Marathon	100,00	×1
✓ 12	22/7/2018	8th North Okhotsk 100 km Marathon	100,00	×1
✓ 13	24/6/2018	33. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 14	15/10/2017	23rd River Shimanto 100km	100,00	×1
✓ 15	23/7/2017	7th North Okhotsk 100 km Marathon	100,00	×1
✓ 16	25/6/2017	32. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 17	11/6/2017	13th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 18	15/1/2017	27th Miyako 100 km Ultramarathon	100,00	×1
✓ 19	18/9/2016	16th Tango 100 km Ultramarathon	100,00	×1
✓ 20	26/6/2016	31. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 21	12/6/2016	12th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 22	22/5/2016	22nd Yatsugatake Nobeyama 100 km	100,00	×1
✓ 23	17/1/2016	26th Miyako 100 km Ultramarathon	100,00	×1
✓ 24	27/9/2015	18th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 25	13/9/2015	3rd 100 km Ultramarathon Hakusan-Shirakawago	100,00	×1
✓ 26	28/6/2015	30. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 27	14/6/2015	11th Iwate Ginga 100km Marathon Challenge	100,00	×1
✓ 28	11/1/2015	25th Miyako 100 km Ultramarathon	100,00	×1
✓ 29	12/10/2014	10th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 30	29/6/2014	29. Lake Saroma 100 km Ultramarathon	100,00	×1
✓ 31	1/6/2014	2nd Tokyo Shibamata 100 km	100,00	×1
✓ 32	29/9/2013	16th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 33	30/6/2013	28. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 34	1/6/2013	1st Tokyo Shibamata 100 km	100,00	×1
✓ 35	6/10/2012	9th Echigo Kubikino 100km Ultramarathon	100,00	×1
✓ 36	8/9/2012	7th Bandai Highlands Inawashiro Lake - 100 km	100,00	×1
✓ 37	24/6/2012	27. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 38	25/9/2011	14th Muraoka 100 km Ultra Marathon	100,00	×1
✓ 39	3/9/2011	6th Bandai Highlands Inawashiro Lake - 100 km	100,00	×1
✓ 40	26/6/2011	26. Lake Saroma 100 km Ultramarathon (JPN)	100,00	×1
✓ 41	28/9/2025	28th Muraoka 88 km Ultra Marathon	88,00	×1
✓ 42	26/9/2010	13th Muraoka 88 km Ultra Marathon	88,00	×1
✓ 43	27/9/2009	12th Muraoka 88 km Ultra Marathon	88,00	×1
✓ 44	29/9/2007	10th Muraoka 88 km Ultra Marathon	88,00	×1
✓ 45	2/6/2019	26. Ultramarathon Okumusashi	78,00	×1
✓ 46	3/6/2018	25. Ultramarathon Okumusashi	78,00	×1
✓ 47	4/6/2017	24. Ultramarathon Okumusashi	78,00	×1
✓ 48	5/6/2016	23. Ultramarathon Okumusashi	78,00	×1
✓ 49	22/6/2015	22. Ultramarathon Okumusashi	77,00	×1
✓ 50	27/7/2014	21. Ultramarathon Okumusashi	77,00	×1
✓ 51	28/7/2013	20. Ultramarathon Okumusashi	77,00	×1
✓ 52	5/8/2012	19. Ultramarathon Okumusashi	77,00	×1
✓ 53	7/8/2011	18. Ultramarathon Okumusashi	77,00	×1
✓ 54	2/8/2009	16. Ultramarathon Okumusashi	75,00	×1
✓ 55	3/8/2008	15. Ultramarathon Okumusashi	75,00	×1
✓ 56	25/10/2003	11th Hasetsune Cup - Japan Mountain Endurance Race	71,50	×1
✓ 57	12/4/2025	20th Toda Saiko 70 km	71,00	×1
✓ 58	19/10/2025	32. Ultramarathon Okumusashi	70,00	×1
✓ 59	13/4/2019	14th Toda Saiko 70 km	70,00	×1
✓ 60	14/4/2018	13th Toda Saiko 70 km	70,00	×1
✓ 61	8/4/2017	12th Toda Saiko 70 km	70,00	×1
✓ 62	9/4/2016	11th Toda Saiko 70 km	70,00	×1
✓ 63	11/4/2015	10th Toda Saiko 70 km	70,00	×1
✓ 64	12/4/2014	9th Toda Saiko 70 km	70,00	×1
✓ 65	13/4/2013	8th Toda Saiko 70 km	70,00	×1
✓ 66	7/4/2012	7th Toda Saiko 70 km	70,00	×1
✓ 67	9/4/2011	6th Toda Saiko 70 km	70,00	×1
✓ 68	10/4/2010	5th Toda Saiko 70 km	70,00	×1
✓ 69	12/4/2008	3rd Toda Saiko 70 km	70,00	×1
70	8/7/2012	18th 8-Hour Endurance Race Tokorozawa	68,17	—
71	29/6/2019	25th 8-Hour Endurance Race Tokorozawa	63,70	—
72	6/7/2014	20th 8-Hour Endurance Race Tokorozawa - 3 tai	61,67	—
73	30/6/2018	24th 8-Hour Endurance Race Tokorozawa	58,80	—
74	12/7/2015	21th 8-Hour Endurance Race Tokorozawa - 3 tai	55,98	—
75	2/7/2017	23th 8-Hour Endurance Race Tokorozawa - 3 tai	55,18	—
76	11/4/2026	21st Toda Saiko 8 Hours	55,00	—
77	4/7/2021	27th 8-Hour Endurance Race Tokorozawa	53,90	—
78	3/7/2016	22th 8-Hour Endurance Race Tokorozawa - 3 tai	51,94	—
79	19/10/2019	10th Inagawa 100km Ultra-Marathon	51,40	—
80	12/7/2017	9th Lake Inawashiro Ultra Marathon	50,00	—
81	3/7/2022	28th 8-Hour Endurance Race Tokorozawa	49,00	—