Loren Lewis

Born : 1972 Cat. M50 Ultrarunner since 2012

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

40,9%

Rank quotient ?This runner's calculation uses 92 eligible race(s): Σ(rank − 1) = 7 197; Σ finishers = 17 585. 7 197 / 17 585 × 100 = 40.93%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed92

Km — ultra races6 114 km

> 100 km5

> 160 km5

> 24h1

Longest race177,4 km

5th San Francisco Summer Solstice 24h — 1/6/2018

Km per year (ultra races)

326

2022

150

2023

206

2024

2025

2026

Race types (share of distance)

Road7,0%

Trail93,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win M0

🏅 Top 33

🏅 Top 3 M3

Longest winning streak0

Current streak0

Records

50 km4h54'30 100 km12h45'35 50 mi9h03'12 100 mi27h13'48 6 h49,52 km 24 h177,43 km

HISTORY

92 race(s)

Date		Race	Perf.	Rk
2024
30.11	28mi	39th Quad Dipsea Trail Run	8:57:09 h	260
29.06	100mi	51st Western States 100 Mile Endurance Run	28:37:19 h	203
2023
05.08	100km	22nd Waldo 100K Trail Run	16:59:10 h	77
18.02	50km	2nd North Marin Ridge 50km Run	7:57:32 h	37
2022
26.11	28mi	37th Quad Dipsea Trail Run	7:32:54 h	214
09.04	50km	13th Diablo Trails Challenge	7:58:48 h	56
12.03	50mi	10th Marin Ultra Challenge 50 Mile Race	13:03:17 h	123
05.02	100km	9th Sean O'Brien 100 km Trail Race	14:01:34 h	34
16.01	50km	12th Crystal Springs 50 km Winter Trail Run	4:57:38 h	4
2021
11.12	50km	17th Rodeo Beach 50km	5:31:08 h	2 🥈
13.11	50km	9th Mt. Tam Trail Run	6:05:09 h	41
01.08	50km	40th Skyline 50k Endurance Run	7:19:15 h	130
26.06	100mi	48th Western States 100 Mile Endurance Run	28:03:00 h	109
17.04	100km	3rd Forest Ranch Four 100 km	12:45:35 h	2 🥈
20.03	50km	Drum Canyon Ranch 50km Trail Run	6:12:42 h	16
06.02	50km	1st Elder Creek 50 km Trail Run	6:14:14 h	16
2020
09.08	50km	7th Marlette Lake Tahoe 50K	6:18:34 h	26
20.06	50mi	2nd Mount Shasta Gateway 50 Mile Trail Race	12:32:21 h	43
22.02	52km	3rd Mount Umunhum Trail Run	6:23:11 h	26
08.02	50mi	7th Sean O'Brien 50 Mile Trail Race	12:50:52 h	70
19.01	50km	10th Crystal Springs 50 km Winter Trail Run	5:31:49 h	15
2019
26.10	50km	3rd Vista Verde Skyline Run	6:08:00 h	11
05.10	50mi	37th Dick Collins Firetrails 50 Mile	10:32:53 h	25
24.08	31.5mi	20th Tamalpa Headlands 50K	6:31:22 h	47
04.08	50km	38th Skyline 50k Endurance Run	5:05:53 h	25
18.05	50mi	34th Silver State 50 Mile	11:46:20 h	38
06.04	100km	27th Leona Divide 100 km Run	13:07:58 h	52
02.03	50km	30th Way Too Cool 50K Endurance Run	4:56:33 h	80
02.02	100km	6th Ordnance 100K	14:21:13 h	25
19.01	50km	1st Dead Truck Race	6:19:32 h	16
2018
24.11	28mi	34th Quad Dipsea Trail Run	5:27:50 h	28
06.10	50mi	36th Dick Collins Firetrails 50 Mile	10:53:51 h	29
22.09	50km	17th Stevens Creek Striders 50K	5:49:09 h	2 🥈
25.08	31.5mi	19th Tamalpa Headlands 50K	5:58:24 h	29
05.08	50km	37th Skyline 50k Endurance Run	5:22:12 h	36
04.08	60km	2nd The Ridge 60k Race	8:04:36 h	14
01.06	24h	5th San Francisco Summer Solstice 24h	177.430 km	4
20.05	50km	31th Ohlone 50K Wilderness Run	6:35:57 h	45
19.05	50mi	33rd Silver State 50 Mile	11:51:24 h	44
03.03	50km	29th Way Too Cool 50K Endurance Run	5:03:39 h	94
03.02	100km	5th Sean O'Brien 100 km Trail Race	15:25:57 h	101
21.01	50km	8th Crystal Springs 50 km Winter Trail Run	5:34:21 h	12
2017
25.11	28mi	33rd Quad Dipsea Trail Run	5:45:15 h	44
23.09	50km	16th Stevens Creek Striders 50K	5:48:26 h	11
09.09	100mi	11th Headlands Hundred 100 Mile Endurance Run	27:13:48 h	24
26.08	31.5mi	18th Tamalpa Headlands 50K	7:03:01 h	62
06.08	50km	36th Skyline 50k Endurance Run	6:18:09 h	83
05.08	50km	7th Crystal Springs 50 km Summer Trail Run	5:39:16 h	9
20.05	50mi	32nd Silver State 50 Mile	13:31:06 h	56
15.04	50mi	9th Lake Sonoma 50 Mile Race	9:58:14 h	91
04.03	50km	28th Way Too Cool 50K Endurance Run	5:25:00 h	168
04.02	100km	4th Sean O'Brien 100 km Trail Race	13:13:06 h	77
21.01	50km	7th Crystal Springs 50 km Winter Trail Run	5:25:10 h	12
2016
26.11	28mi	32nd Quad Dipsea Trail Run	5:58:13 h	64
24.09	50km	15th Stevens Creek Striders 50K	6:36:41 h	9
20.08	100km	15th Waldo 100K Trail Run	15:39:32 h	51
07.08	50km	35th Skyline 50k Endurance Run	5:58:20 h	62
23.07	50km	10th Salt Point Trail Run	6:57:50 h	15
09.04	50mi	8th Lake Sonoma 50 Mile Race	11:13:48 h	180
05.03	50km	27th Way Too Cool 50K Endurance Run	5:48:21 h	322
2015
06.12	50km	7th Hunter S. Thompson Fear & Loathing 50 km	7:52:00 h	32
28.11	28mi	31st Quad Dipsea Trail Run	7:29:54 h	217
26.09	50km	14th Stevens Creek Striders 50K	8:04:41 h	17
08.08	50km	34th Skyline 50k Endurance Run	7:02:47 h	118
16.05	50mi	30th Silver State 50 Mile	13:00:32 h	73
18.04	50km	29th Ruth Anderson Ultra 50km	5:53:55 h	28
11.04	50mi	7th Lake Sonoma 50 Mile Race	12:02:20 h	225
07.03	50km	26th Way Too Cool 50K Endurance Run	5:49:21 h	399
2014
29.11	28mi	30th Quad Dipsea Trail Run	7:09:05 h	155
03.08	50km	33rd Skyline 50k Endurance Run	7:17:09 h	151
28.06	100mi	41st Western States 100 Mile Endurance Run	28:53:33 h	253
18.05	50km	27th Ohlone 50K Wilderness Run	6:54:34 h	77
03.05	100km	19th Miwok 100k Trail Race	14:27:12 h	222
05.04	50mi	35th American River 50 Mile Endurance Run	9:30:24 h	191
08.03	50km	25th Way Too Cool 50K Endurance Run	5:42:41 h	359
2013
15.12	50km	2nd Woodside Ramble 50K - Winter	6:08:34 h	37
08.12	50km	5th Hunter S. Thompson Fear & Loathing 50 km	7:40:00 h	22
30.11	28mi	29th Quad Dipsea Trail Run	6:23:15 h	105
12.10	50mi	31st Dick Collins Firetrails 50 Mile	10:12:33 h	130
24.08	31.5mi	14th Tamalpa Headlands 50K	7:08:10 h	128
11.08	50km	32nd Skyline 50k Endurance Run	5:47:56 h	110
19.05	50km	26th Ohlone 50K Wilderness Run	7:54:34 h	105
18.05	50mi	28th Silver State 50 Mile	12:51:08 h	83
11.05	50mi	30th Quicksilver 50 Mile Endurance Run	9:44:49 h	29
20.04	50km	27th Ruth Anderson Ultra 50km	5:34:55 h	31
06.04	50mi	34th American River 50 Mile Endurance Run	9:03:12 h	162
24.03	50km	3rd Canyon Meadow (Winter) 50 km Trail Run	5:22:41 h	24
09.03	50km	24th Way Too Cool 50K Endurance Run	4:54:30 h	141
2012
31.12	6h	3rd New Years One Day 6 Hour Run	49.517 km	14
30.12	50km	11th Woodside Trail Run 50K	5:47:18 h	17
08.12	50km	3rd Coyote Ridge 50 km Trail Run	6:56:16 h	29
16.09	50km	1st Mathis Memorial Folsom Point Trail Runs	6:14:00 h	4

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	1/6/2018	5th San Francisco Summer Solstice 24h	177,43	×3
✓ 2	29/6/2024	51st Western States 100 Mile Endurance Run	160,93	×3
✓ 3	26/6/2021	48th Western States 100 Mile Endurance Run	160,93	×3
✓ 4	9/9/2017	11th Headlands Hundred 100 Mile Endurance Run	160,93	×3
✓ 5	28/6/2014	41st Western States 100 Mile Endurance Run	160,93	×3
✓ 6	5/8/2023	22nd Waldo 100K Trail Run	100,00	×2
✓ 7	5/2/2022	9th Sean O'Brien 100 km Trail Race	100,00	×2
✓ 8	17/4/2021	3rd Forest Ranch Four 100 km	100,00	×2
✓ 9	6/4/2019	27th Leona Divide 100 km Run	100,00	×2
✓ 10	2/2/2019	6th Ordnance 100K	100,00	×2
✓ 11	3/2/2018	5th Sean O'Brien 100 km Trail Race	100,00	×2
✓ 12	4/2/2017	4th Sean O'Brien 100 km Trail Race	100,00	×2
✓ 13	20/8/2016	15th Waldo 100K Trail Run	100,00	×2
✓ 14	3/5/2014	19th Miwok 100k Trail Race	100,00	×2
✓ 15	12/3/2022	10th Marin Ultra Challenge 50 Mile Race	80,47	×1
✓ 16	20/6/2020	2nd Mount Shasta Gateway 50 Mile Trail Race	80,47	×1
✓ 17	8/2/2020	7th Sean O'Brien 50 Mile Trail Race	80,47	×1
✓ 18	5/10/2019	37th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 19	18/5/2019	34th Silver State 50 Mile	80,47	×1
✓ 20	6/10/2018	36th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 21	19/5/2018	33rd Silver State 50 Mile	80,47	×1
✓ 22	20/5/2017	32nd Silver State 50 Mile	80,47	×1
✓ 23	15/4/2017	9th Lake Sonoma 50 Mile Race	80,47	×1
✓ 24	9/4/2016	8th Lake Sonoma 50 Mile Race	80,47	×1
✓ 25	16/5/2015	30th Silver State 50 Mile	80,47	×1
✓ 26	11/4/2015	7th Lake Sonoma 50 Mile Race	80,47	×1
✓ 27	5/4/2014	35th American River 50 Mile Endurance Run	80,47	×1
✓ 28	12/10/2013	31st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 29	18/5/2013	28th Silver State 50 Mile	80,47	×1
✓ 30	11/5/2013	30th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 31	6/4/2013	34th American River 50 Mile Endurance Run	80,47	×1
✓ 32	4/8/2018	2nd The Ridge 60k Race	60,00	×1
✓ 33	22/2/2020	3rd Mount Umunhum Trail Run	52,00	×1
✓ 34	24/8/2019	20th Tamalpa Headlands 50K	50,69	×1
✓ 35	25/8/2018	19th Tamalpa Headlands 50K	50,69	×1
✓ 36	26/8/2017	18th Tamalpa Headlands 50K	50,69	×1
✓ 37	24/8/2013	14th Tamalpa Headlands 50K	50,69	×1
✓ 38	18/2/2023	2nd North Marin Ridge 50km Run	50,00	×1
✓ 39	9/4/2022	13th Diablo Trails Challenge	50,00	×1
✓ 40	16/1/2022	12th Crystal Springs 50 km Winter Trail Run	50,00	×1
✓ 41	11/12/2021	17th Rodeo Beach 50km	50,00	×1
✓ 42	13/11/2021	9th Mt. Tam Trail Run	50,00	×1
✓ 43	1/8/2021	40th Skyline 50k Endurance Run	50,00	×1
✓ 44	20/3/2021	Drum Canyon Ranch 50km Trail Run	50,00	×1
✓ 45	6/2/2021	1st Elder Creek 50 km Trail Run	50,00	×1
✓ 46	9/8/2020	7th Marlette Lake Tahoe 50K	50,00	×1
✓ 47	19/1/2020	10th Crystal Springs 50 km Winter Trail Run	50,00	×1
✓ 48	26/10/2019	3rd Vista Verde Skyline Run	50,00	×1
✓ 49	4/8/2019	38th Skyline 50k Endurance Run	50,00	×1
✓ 50	2/3/2019	30th Way Too Cool 50K Endurance Run	50,00	×1
51	19/1/2019	1st Dead Truck Race	50,00	×1
52	22/9/2018	17th Stevens Creek Striders 50K	50,00	×1
53	5/8/2018	37th Skyline 50k Endurance Run	50,00	×1
54	20/5/2018	31th Ohlone 50K Wilderness Run	50,00	×1
55	3/3/2018	29th Way Too Cool 50K Endurance Run	50,00	×1
56	21/1/2018	8th Crystal Springs 50 km Winter Trail Run	50,00	×1
57	23/9/2017	16th Stevens Creek Striders 50K	50,00	×1
58	6/8/2017	36th Skyline 50k Endurance Run	50,00	×1
59	5/8/2017	7th Crystal Springs 50 km Summer Trail Run	50,00	×1
60	4/3/2017	28th Way Too Cool 50K Endurance Run	50,00	×1
61	21/1/2017	7th Crystal Springs 50 km Winter Trail Run	50,00	×1
62	24/9/2016	15th Stevens Creek Striders 50K	50,00	×1
63	7/8/2016	35th Skyline 50k Endurance Run	50,00	×1
64	23/7/2016	10th Salt Point Trail Run	50,00	×1
65	5/3/2016	27th Way Too Cool 50K Endurance Run	50,00	×1
66	6/12/2015	7th Hunter S. Thompson Fear & Loathing 50 km	50,00	×1
67	26/9/2015	14th Stevens Creek Striders 50K	50,00	×1
68	8/8/2015	34th Skyline 50k Endurance Run	50,00	×1
69	18/4/2015	29th Ruth Anderson Ultra 50km	50,00	×1
70	7/3/2015	26th Way Too Cool 50K Endurance Run	50,00	×1
71	3/8/2014	33rd Skyline 50k Endurance Run	50,00	×1
72	18/5/2014	27th Ohlone 50K Wilderness Run	50,00	×1
73	8/3/2014	25th Way Too Cool 50K Endurance Run	50,00	×1
74	15/12/2013	2nd Woodside Ramble 50K - Winter	50,00	×1
75	8/12/2013	5th Hunter S. Thompson Fear & Loathing 50 km	50,00	×1
76	11/8/2013	32nd Skyline 50k Endurance Run	50,00	×1
77	19/5/2013	26th Ohlone 50K Wilderness Run	50,00	×1
78	20/4/2013	27th Ruth Anderson Ultra 50km	50,00	×1
79	24/3/2013	3rd Canyon Meadow (Winter) 50 km Trail Run	50,00	×1
80	9/3/2013	24th Way Too Cool 50K Endurance Run	50,00	×1
81	30/12/2012	11th Woodside Trail Run 50K	50,00	×1
82	8/12/2012	3rd Coyote Ridge 50 km Trail Run	50,00	×1
83	16/9/2012	1st Mathis Memorial Folsom Point Trail Runs	50,00	×1
84	31/12/2012	3rd New Years One Day 6 Hour Run	49,52	—
85	30/11/2024	39th Quad Dipsea Trail Run	45,06	—
86	26/11/2022	37th Quad Dipsea Trail Run	45,06	—
87	24/11/2018	34th Quad Dipsea Trail Run	45,06	—
88	25/11/2017	33rd Quad Dipsea Trail Run	45,06	—
89	26/11/2016	32nd Quad Dipsea Trail Run	45,06	—
90	28/11/2015	31st Quad Dipsea Trail Run	45,06	—
91	29/11/2014	30th Quad Dipsea Trail Run	45,06	—
92	30/11/2013	29th Quad Dipsea Trail Run	45,06	—