Patty Shijo

Born : 1959 Cat. W65 Ultrarunner since 2010

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 ?

United States

75,8%

Rank quotient ?This runner's calculation uses 70 eligible race(s): Σ(rank − 1) = 10 134; Σ finishers = 13 368. 10 134 / 13 368 × 100 = 75.81%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed70

Km — ultra races4 466 km

> 100 km4

> 160 km4

Longest race160,9 km

25th Rio Del Lago 100 Mile Endurance Run — 1/11/2025

Km per year (ultra races)

200

2022

262

2023

151

2024

262

2025

101

2026

Race types (share of distance)

Road2,2%

Trail97,8%

Records

50 km6h03'57 100 km15h30'41 50 mi10h38'36 100 mi27h03'10

HISTORY

70 race(s)

Date		Race	Perf.	Rk
2026
15.08	31.5mi	25th Tamalpa Headlands 50K	8:26:31 h	221
09.05	50km	43rd Quicksilver 50 km Endurance Run	8:40:50 h	102
2025
01.11	100mi	25th Rio Del Lago 100 Mile Endurance Run	29:35:26 h	180
16.08	31.5mi	24th Tamalpa Headlands 50K	7:37:00 h	213
22.02	50km	10th Salmon Falls 50 km Race	7:13:09 h	141
2024
12.10	50km	38th Ruth Anderson Ultra 50km	6:03:57 h	48
17.08	31.5mi	23rd Tamalpa Headlands 50K	9:17:10 h	206
24.02	50km	9th Salmon Falls 50 km Race	7:37:12 h	167
2023
30.09	50mi	41st Dick Collins Firetrails 50 Mile	14:23:52 h	92
19.08	31.5mi	22nd Tamalpa Headlands 50K	8:40:12 h	221
03.06	50mi	11th Marin Ultra Challenge 50 Mile Race	14:22:29 h	109
18.02	50km	11th FOURmidable 50K	8:30:27 h	201
2022
12.11	50km	10th Mt. Tam Trail Run	8:06:37 h	93
07.08	50km	41st Skyline 50k Endurance Run	8:05:30 h	155
12.03	50km	10th Marin Ultra Challenge 50 km Race	7:21:56 h	173
19.02	50km	10th FOURmidable 50K	8:14:09 h	173
2021
19.08	100mi	15th Headlands Hundred 100 Mile Endurance Run	40:04:00 h	25
2020
15.02	50km	8th FOURmidable 50K	7:21:45 h	152
2019
09.11	50km	7th Mt. Tam Trail Run	7:58:21 h	93
14.09	50mi	13th Headlands Hundred 50 Mile Endurance Run	14:21:04 h	37
24.08	31.5mi	20th Tamalpa Headlands 50K	8:04:55 h	108
13.07	50km	9th Golden Gate 50 km Summer Trail Run	7:26:12 h	32
30.03	55km	1st Red Dragon Trail Run	8:19:58 h	33
09.03	50km	8th Marin Ultra Challenge 50 km Race	6:45:21 h	151
16.02	50km	7th FOURmidable 50K	7:46:24 h	154
2018
25.08	31.5mi	19th Tamalpa Headlands 50K	7:41:26 h	112
28.04	50km	5th The Canyons Endurance 50 km Run	9:03:16 h	37
10.03	50mi	7th Marin Ultra Challenge 50 Mile Race	12:23:52 h	105
17.02	50km	6th FOURmidable 50K	7:24:49 h	125
06.01	50km	3rd Eldrith Gosney’s Pure Ultra	8:59:37 h	34
2017
20.05	50km	32nd Silver State 50 km	9:01:08 h	71
29.04	50km	4th The Canyons Endurance 50 km Run	8:57:58 h	40
15.04	50mi	9th Lake Sonoma 50 Mile Race	12:38:04 h	232
11.03	50km	6th Marin Ultra Challenge 50 km Race	6:27:10 h	102
18.02	50km	5th FOURmidable 50K	7:52:01 h	150
2016
04.12	50km	8th Hunter S. Thompson Fear & Loathing 50 km	8:24:00 h	36
12.11	50km	5th Mt. Tam Trail Run	7:36:46 h	90
27.08	31.5mi	17th Tamalpa Headlands 50K	7:32:18 h	170
16.07	55km	15th Tahoe Rim Trail 55km Endurance Run	10:09:53 h	86
21.05	50km	31st Silver State 50 km	8:19:40 h	61
07.05	50km	3rd The Canyons Endurance 50 km Run	8:40:51 h	49
09.04	50mi	8th Lake Sonoma 50 Mile Race	12:03:37 h	226
12.03	50km	5th Marin Ultra Challenge 50 km Race	6:43:14 h	124
2015
07.11	100mi	15th Rio Del Lago 100 Mile Endurance Run	27:03:10 h	149
10.10	50mi	33rd Dick Collins Firetrails 50 Mile	11:22:40 h	117
29.08	31.5mi	16th Tamalpa Headlands 50K	7:23:27 h	166
18.07	50mi	14th Tahoe Rim Trail 50M Endurance Run	15:52:41 h	122
09.05	100km	32nd Quicksilver 100 km Endurance Run	16:14:07 h	177
12.04	50km	1st Woodside Purisima Creek Crossover	8:11:58 h	72
29.03	50km	5th Gorge Waterfalls 50k	8:35:42 h	267
14.03	50mi	4th Marin Ultra Challenge 50 Mile Race	14:21:30 h	99
08.02	50km	5th Golden Gate 50 km Winter Trail Run	7:23:41 h	47
2014
28.12	50km	13th Woodside Trail Run 50K	7:11:20 h	90
03.05	100km	19th Miwok 100k Trail Race	15:30:41 h	309
15.03	50mi	3rd Marin Ultra Challenge 50 Mile Race	13:34:15 h	96
2013
09.11	100mi	13th Rio Del Lago 100 Mile Endurance Run	27:55:03 h	61
12.10	50mi	31st Dick Collins Firetrails 50 Mile	11:29:34 h	214
20.07	50km	12th Tahoe Rim Trail 50km Endurance Run	9:43:13 h	89
22.06	50km	2nd Marin Ultra Challenge 50 km Race	7:26:42 h	56
04.05	60km	18th Miwok 60k Trail race	9:26:40 h	297
06.04	50mi	34th American River 50 Mile Endurance Run	10:45:36 h	487
09.03	50km	24th Way Too Cool 50K Endurance Run	6:35:49 h	637
2012
30.12	50km	1st Rodeo Valley 50 km Trail Run - Winter	7:02:10 h	38
25.08	31.5mi	13th Tamalpa Headlands 50K	7:49:37 h	151
21.07	50km	11th Tahoe Rim Trail 50km Endurance Run	11:25:24 h	140
30.06	50km	1st Marin Ultra Challenge 50 km Race	9:00:18 h	67
18.03	50km	1st Rodeo Valley 50 km Trail Run	7:26:40 h	33
2011
12.03	50km	22nd Way Too Cool 50K Endurance Run	6:24:38 h	349
2010
10.04	50mi	31st American River 50 Mile Endurance Run	10:38:36 h	366
13.03	50km	21st Way Too Cool 50K Endurance Run	7:23:08 h	378

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/11/2025	25th Rio Del Lago 100 Mile Endurance Run	160,93	×3
✓ 2	19/8/2021	15th Headlands Hundred 100 Mile Endurance Run	160,93	×3
✓ 3	7/11/2015	15th Rio Del Lago 100 Mile Endurance Run	160,93	×3
✓ 4	9/11/2013	13th Rio Del Lago 100 Mile Endurance Run	160,93	×3
✓ 5	9/5/2015	32nd Quicksilver 100 km Endurance Run	100,00	×2
✓ 6	3/5/2014	19th Miwok 100k Trail Race	100,00	×2
✓ 7	30/9/2023	41st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 8	3/6/2023	11th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 9	14/9/2019	13th Headlands Hundred 50 Mile Endurance Run	80,47	×1
✓ 10	10/3/2018	7th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 11	15/4/2017	9th Lake Sonoma 50 Mile Race	80,47	×1
✓ 12	9/4/2016	8th Lake Sonoma 50 Mile Race	80,47	×1
✓ 13	10/10/2015	33rd Dick Collins Firetrails 50 Mile	80,47	×1
✓ 14	18/7/2015	14th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 15	14/3/2015	4th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 16	15/3/2014	3rd Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 17	12/10/2013	31st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 18	6/4/2013	34th American River 50 Mile Endurance Run	80,47	×1
✓ 19	10/4/2010	31st American River 50 Mile Endurance Run	80,47	×1
✓ 20	4/5/2013	18th Miwok 60k Trail race	60,00	×1
✓ 21	30/3/2019	1st Red Dragon Trail Run	55,00	×1
✓ 22	16/7/2016	15th Tahoe Rim Trail 55km Endurance Run	55,00	×1
✓ 23	15/8/2026	25th Tamalpa Headlands 50K	50,69	×1
✓ 24	16/8/2025	24th Tamalpa Headlands 50K	50,69	×1
✓ 25	17/8/2024	23rd Tamalpa Headlands 50K	50,69	×1
✓ 26	19/8/2023	22nd Tamalpa Headlands 50K	50,69	×1
✓ 27	24/8/2019	20th Tamalpa Headlands 50K	50,69	×1
✓ 28	25/8/2018	19th Tamalpa Headlands 50K	50,69	×1
✓ 29	27/8/2016	17th Tamalpa Headlands 50K	50,69	×1
✓ 30	29/8/2015	16th Tamalpa Headlands 50K	50,69	×1
✓ 31	25/8/2012	13th Tamalpa Headlands 50K	50,69	×1
✓ 32	9/5/2026	43rd Quicksilver 50 km Endurance Run	50,00	×1
✓ 33	22/2/2025	10th Salmon Falls 50 km Race	50,00	×1
✓ 34	12/10/2024	38th Ruth Anderson Ultra 50km	50,00	×1
✓ 35	24/2/2024	9th Salmon Falls 50 km Race	50,00	×1
✓ 36	18/2/2023	11th FOURmidable 50K	50,00	×1
✓ 37	12/11/2022	10th Mt. Tam Trail Run	50,00	×1
✓ 38	7/8/2022	41st Skyline 50k Endurance Run	50,00	×1
✓ 39	12/3/2022	10th Marin Ultra Challenge 50 km Race	50,00	×1
✓ 40	19/2/2022	10th FOURmidable 50K	50,00	×1
✓ 41	15/2/2020	8th FOURmidable 50K	50,00	×1
✓ 42	9/11/2019	7th Mt. Tam Trail Run	50,00	×1
✓ 43	13/7/2019	9th Golden Gate 50 km Summer Trail Run	50,00	×1
✓ 44	9/3/2019	8th Marin Ultra Challenge 50 km Race	50,00	×1
✓ 45	16/2/2019	7th FOURmidable 50K	50,00	×1
✓ 46	28/4/2018	5th The Canyons Endurance 50 km Run	50,00	×1
✓ 47	17/2/2018	6th FOURmidable 50K	50,00	×1
✓ 48	6/1/2018	3rd Eldrith Gosney’s Pure Ultra	50,00	×1
✓ 49	20/5/2017	32nd Silver State 50 km	50,00	×1
✓ 50	29/4/2017	4th The Canyons Endurance 50 km Run	50,00	×1
51	11/3/2017	6th Marin Ultra Challenge 50 km Race	50,00	×1
52	18/2/2017	5th FOURmidable 50K	50,00	×1
53	4/12/2016	8th Hunter S. Thompson Fear & Loathing 50 km	50,00	×1
54	12/11/2016	5th Mt. Tam Trail Run	50,00	×1
55	21/5/2016	31st Silver State 50 km	50,00	×1
56	7/5/2016	3rd The Canyons Endurance 50 km Run	50,00	×1
57	12/3/2016	5th Marin Ultra Challenge 50 km Race	50,00	×1
58	12/4/2015	1st Woodside Purisima Creek Crossover	50,00	×1
59	29/3/2015	5th Gorge Waterfalls 50k	50,00	×1
60	8/2/2015	5th Golden Gate 50 km Winter Trail Run	50,00	×1
61	28/12/2014	13th Woodside Trail Run 50K	50,00	×1
62	20/7/2013	12th Tahoe Rim Trail 50km Endurance Run	50,00	×1
63	22/6/2013	2nd Marin Ultra Challenge 50 km Race	50,00	×1
64	9/3/2013	24th Way Too Cool 50K Endurance Run	50,00	×1
65	30/12/2012	1st Rodeo Valley 50 km Trail Run - Winter	50,00	×1
66	21/7/2012	11th Tahoe Rim Trail 50km Endurance Run	50,00	×1
67	30/6/2012	1st Marin Ultra Challenge 50 km Race	50,00	×1
68	18/3/2012	1st Rodeo Valley 50 km Trail Run	50,00	×1
69	12/3/2011	22nd Way Too Cool 50K Endurance Run	50,00	×1
70	13/3/2010	21st Way Too Cool 50K Endurance Run	50,00	×1