Bree Lambert-Sanders

Born : 1968 Cat. W55 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 ?

Italy

United States

16,2%

Rank quotient ?This runner's calculation uses 89 eligible race(s): Σ(rank − 1) = 3 203; Σ finishers = 19 721. 3 203 / 19 721 × 100 = 16.24%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed89

Km — ultra races6 976 km

> 100 km10

> 160 km9

Longest race160,9 km

22nd Rio Del Lago 100 Mile Endurance Run — 5/11/2022

Km per year (ultra races)

291

2022

496

2023

276

2024

251

2025

130

2026

Race types (share of distance)

Road0,7%

Trail99,3%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F17

🏅 Top 32

🏅 Top 3 F40

Longest winning streak0

Current streak0

Records

50 km3h56'49 100 km10h55'34 50 mi7h34'49 100 mi19h57'57

HISTORY

89 race(s)

Date		Race	Perf.	Rk
2026
29.08	50km	5th Midwest States 50	6:17:16 h	9
18.07	50mi	25th Tahoe Rim Trail 50M Endurance Run	14:07:33 h	30
2025
11.10	100km	15th Kodiak Ultra Marathons by UTMB - 100K	12:53:03 h	55
29.08	101km	19ème Courmayeur-Champex-Chamonix	18:24:28 h	438
01.03	50km	35th Way Too Cool 50K Endurance Run	5:00:05 h	43
2024
30.11	28mi	39th Quad Dipsea Trail Run	5:50:36 h	81
19.10	100km	4th Lake Sonoma 100K & 50K	14:04:18 h	26
17.08	31.5mi	23rd Tamalpa Headlands 50K	5:29:38 h	40
20.07	50mi	23th Tahoe Rim Trail 50M Endurance Run	12:24:17 h	12
2023
25.11	28mi	38th Quad Dipsea Trail Run	5:35:45 h	76
14.10	100km	13th Kodiak Ultra Marathons by UTMB - 100K	13:18:18 h	35
22.09	100km	15th Grindstone 100 km	12:50:58 h	43
19.08	31.5mi	22nd Tamalpa Headlands 50K	5:28:37 h	42
06.05	100km	26th Miwok 100k Trail Race	11:16:00 h	37
18.02	99.9km	10th Black Canyon Trail 100 km Run	11:43:51 h	120
2022
05.11	100mi	22nd Rio Del Lago 100 Mile Endurance Run	22:16:29 h	28
21.05	50mi	37th Silver State 50 Mile	10:00:09 h	9
05.03	50km	32nd Way Too Cool 50K Endurance Run	4:53:51 h	76
2021
27.11	28mi	36th Quad Dipsea Trail Run	5:38:26 h	38
17.07	100mi	20th Tahoe Rim Trail 100M Endurance Run	26:49:24 h	12
2020
07.03	50km	31st Way Too Cool 50K Endurance Run	4:41:15 h	75
2019
30.11	28mi	35th Quad Dipsea Trail Run	5:25:10 h	31
06.09	100mi	40th Wasatch Front 100 Mile	28:30:04 h	49
16.02	50km	7th FOURmidable 50K	5:17:57 h	41
2018
08.12	50km	14th Rodeo Beach 50km	5:20:05 h	16
21.07	100mi	17th Tahoe Rim Trail 100M Endurance Run	25:18:56 h	13
05.05	100km	23nd Miwok 100k Trail Race	12:02:35 h	58
03.02	100km	5th Sean O'Brien 100 km Trail Race	13:15:21 h	51
2017
07.10	50km	9th Skyline to the Sea 50km	4:47:58 h	5
26.08	31.5mi	18th Tamalpa Headlands 50K	5:27:25 h	20
12.08	60km	1st The Ridge 60k Race	6:17:14 h	11
13.05	50km	34th Quicksilver 50 km Endurance Run	4:55:26 h	8
15.04	50mi	9th Lake Sonoma 50 Mile Race	9:21:03 h	57
04.02	50km	4th Sean O'Brien 50 km Trail Race	5:56:20 h	13
2016
27.08	31.5mi	17th Tamalpa Headlands 50K	5:17:28 h	47
16.07	50mi	15th Tahoe Rim Trail 50M Endurance Run	9:59:58 h	8
07.05	100km	21st Miwok 100k Trail Race	10:55:34 h	21
12.03	50km	5th Marin Ultra Challenge 50 km Race	4:58:10 h	28
06.02	50mi	3rd Sean O'Brien 50 Mile Trail Race	9:38:59 h	6
2015
22.08	100mi	33rd Leadville Trail 100 Mile	26:32:01 h	104
02.05	100km	20th Miwok 100k Trail Race	11:09:00 h	25
28.03	100km	5th Gorge Waterfalls 100k	12:05:04 h	41
07.02	50km	2nd Sean O'Brien 50 km Trail Race	5:32:39 h	9
2014
06.12	50mi	8th Endurance Challenge - California Trail 50 Mile	9:08:41 h	120
06.09	100km	4th Ultra Race of Champions (UROC) 100K	13:57:57 h	22
01.06	50mi	2nd Cayuga Trails 50 Mile Race	9:38:00 h	47
03.05	100km	19th Miwok 100k Trail Race	11:11:04 h	28
15.03	50km	3rd Marin Ultra Challenge 50 km Race	5:09:17 h	18
01.02	50mi	1st Sean O'Brien 50 Mile Trail Race	8:53:02 h	26
2013
26.10	50km	14th Whiskeytown 50km Trail Run	5:39:22 h	11
12.10	50mi	31st Dick Collins Firetrails 50 Mile	8:32:12 h	27
24.08	31.5mi	14th Tamalpa Headlands 50K	5:11:02 h	19
29.06	100mi	40th Western States 100 Mile Endurance Run	23:26:49 h	73
11.05	50km	30th Quicksilver 50 km Endurance Run	4:44:36 h	4
13.04	50mi	5th Lake Sonoma 50 Mile Race	8:43:48 h	45
02.02	50km	2nd Ray Miller 50 km Trail Race	5:07:59 h	15
2012
27.10	50km	13th Whiskeytown 50km Trail Run	5:22:59 h	10
25.08	31.5mi	13th Tamalpa Headlands 50K	5:07:25 h	22
20.05	50km	25th Ohlone 50K Wilderness Run	6:12:55 h	28
28.04	50mi	20th Leona Divide 50 Mile Run	8:46:26 h	44
07.01	100km	12th Bandera 100 km Ultratrail	11:25:37 h	20
2011
03.12	50km	5th Endurance Challenge - California Trail 50 km	5:21:02 h	24
12.11	50km	1st Last Chance 50 km	3:56:49 h	2 🥈
08.10	50mi	29th Dick Collins Firetrails 50 Mile	8:26:11 h	28
27.08	31.5mi	12th Tamalpa Headlands 50K	5:13:08 h	19
16.07	100mi	10th Tahoe Rim Trail 100M Endurance Run	23:07:43 h	9
22.05	50km	24th Ohlone 50K Wilderness Run	5:45:25 h	23
30.04	50mi	28th Quicksilver 50 Mile Endurance Run	8:13:07 h	9
2010
06.11	50km	15th Helen Klein Ultra Classic 50km	4:05:37 h	3 🥉
09.10	50mi	28th Dick Collins Firetrails 50 Mile	8:04:06 h	20
11.09	100mi	10th Rio Del Lago 100 Mile	19:57:57 h	5
10.04	50mi	31st American River 50 Mile Endurance Run	7:34:49 h	34
2009
05.12	50mi	3rd Endurance Challenge - California Trail 50 Mile	9:11:38 h	42
10.10	50mi	27th Dick Collins Firetrails 50 Mile	8:00:52 h	20
18.07	100mi	8th Tahoe Rim Trail 100M Endurance Runs	23:42:32 h	13
31.05	50km	22nd Ohlone 50K Wilderness Run	6:10:24 h	32
09.05	50mi	26th Quicksilver 50 Mile Endurance Run	8:04:06 h	11
14.03	50km	20th Way Too Cool 50K Endurance Run	4:58:14 h	115
2008
06.12	50mi	2nd Endurance Challenge - California Trail 50 Mile	9:03:55 h	29
23.08	50km	17th Bulldog 50k Ultra Run	4:57:45 h	15
19.07	50mi	7th Tahoe Rim Trail 50M Endurance Runs	9:41:01 h	7
03.05	100km	13th Miwok 100k Trail race	11:14:47 h	49
22.03	50km	4th Rucky Chucky Roundabout 50K	5:38:43 h	15
2007
13.10	50mi	25th Dick Collins Firetrails 50 Mile	8:48:10 h	37
16.09	50km	6th Big Basin Redwoods Trail Run	6:18:01 h	11
21.07	50mi	6th Tahoe Rim Trail 50M Endurance Runs	9:47:15 h	12
12.05	50mi	24th Quicksilver 50 Mile Endurance Run	8:51:05 h	16
10.03	50km	18th Way Too Cool 50K Endurance Run	5:09:26 h	121
2006
02.12	50km	5th Woodside Trail Run 50K	4:41:02 h	5

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/11/2022	22nd Rio Del Lago 100 Mile Endurance Run	160,93	×2
✓ 2	17/7/2021	20th Tahoe Rim Trail 100M Endurance Run	160,93	×2
✓ 3	6/9/2019	40th Wasatch Front 100 Mile	160,93	×2
✓ 4	21/7/2018	17th Tahoe Rim Trail 100M Endurance Run	160,93	×2
✓ 5	22/8/2015	33rd Leadville Trail 100 Mile	160,93	×2
✓ 6	29/6/2013	40th Western States 100 Mile Endurance Run	160,93	×2
✓ 7	16/7/2011	10th Tahoe Rim Trail 100M Endurance Run	160,93	×2
✓ 8	11/9/2010	10th Rio Del Lago 100 Mile	160,93	×2
✓ 9	18/7/2009	8th Tahoe Rim Trail 100M Endurance Runs	160,93	×2
✓ 10	29/8/2025	19ème Courmayeur-Champex-Chamonix (CCC)	101,00	×1
✓ 11	11/10/2025	15th Kodiak Ultra Marathons by UTMB - 100K	100,00	×1
✓ 12	19/10/2024	4th Lake Sonoma 100K & 50K	100,00	×1
✓ 13	14/10/2023	13th Kodiak Ultra Marathons by UTMB - 100K	100,00	×1
✓ 14	22/9/2023	15th Grindstone 100 km	100,00	×1
✓ 15	6/5/2023	26th Miwok 100k Trail Race	100,00	×1
✓ 16	5/5/2018	23nd Miwok 100k Trail Race	100,00	×1
✓ 17	3/2/2018	5th Sean O'Brien 100 km Trail Race	100,00	×1
✓ 18	7/5/2016	21st Miwok 100k Trail Race	100,00	×1
✓ 19	2/5/2015	20th Miwok 100k Trail Race	100,00	×1
✓ 20	28/3/2015	5th Gorge Waterfalls 100k	100,00	×1
✓ 21	6/9/2014	4th Ultra Race of Champions (UROC) 100K	100,00	×1
✓ 22	3/5/2014	19th Miwok 100k Trail Race	100,00	×1
✓ 23	7/1/2012	12th Bandera 100 km Ultratrail	100,00	×1
✓ 24	3/5/2008	13th Miwok 100k Trail race	100,00	×1
✓ 25	18/2/2023	10th Black Canyon Trail 100 km Run	99,90	×1
✓ 26	18/7/2026	25th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 27	20/7/2024	23th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 28	21/5/2022	37th Silver State 50 Mile	80,47	×1
✓ 29	15/4/2017	9th Lake Sonoma 50 Mile Race	80,47	×1
✓ 30	16/7/2016	15th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 31	6/2/2016	3rd Sean O'Brien 50 Mile Trail Race	80,47	×1
✓ 32	6/12/2014	8th Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 33	1/6/2014	2nd Cayuga Trails 50 Mile Race	80,47	×1
✓ 34	1/2/2014	1st Sean O'Brien 50 Mile Trail Race	80,47	×1
✓ 35	12/10/2013	31st Dick Collins Firetrails 50 Mile	80,47	×1
✓ 36	13/4/2013	5th Lake Sonoma 50 Mile Race	80,47	×1
✓ 37	28/4/2012	20th Leona Divide 50 Mile Run	80,47	×1
✓ 38	8/10/2011	29th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 39	30/4/2011	28th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 40	9/10/2010	28th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 41	10/4/2010	31st American River 50 Mile Endurance Run	80,47	×1
✓ 42	5/12/2009	3rd Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 43	10/10/2009	27th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 44	9/5/2009	26th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 45	6/12/2008	2nd Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 46	19/7/2008	7th Tahoe Rim Trail 50M Endurance Runs	80,47	×1
✓ 47	13/10/2007	25th Dick Collins Firetrails 50 Mile	80,47	×1
✓ 48	21/7/2007	6th Tahoe Rim Trail 50M Endurance Runs	80,47	×1
✓ 49	12/5/2007	24th Quicksilver 50 Mile Endurance Run	80,47	×1
✓ 50	12/8/2017	1st The Ridge 60k Race	60,00	×1
51	17/8/2024	23rd Tamalpa Headlands 50K	50,69	—
52	19/8/2023	22nd Tamalpa Headlands 50K	50,69	—
53	26/8/2017	18th Tamalpa Headlands 50K	50,69	—
54	27/8/2016	17th Tamalpa Headlands 50K	50,69	—
55	24/8/2013	14th Tamalpa Headlands 50K	50,69	—
56	25/8/2012	13th Tamalpa Headlands 50K	50,69	—
57	27/8/2011	12th Tamalpa Headlands 50K	50,69	—
58	29/8/2026	5th Midwest States 50	50,00	—
59	1/3/2025	35th Way Too Cool 50K Endurance Run	50,00	—
60	5/3/2022	32nd Way Too Cool 50K Endurance Run	50,00	—
61	7/3/2020	31st Way Too Cool 50K Endurance Run	50,00	—
62	16/2/2019	7th FOURmidable 50K	50,00	—
63	8/12/2018	14th Rodeo Beach 50km	50,00	—
64	7/10/2017	9th Skyline to the Sea 50km	50,00	—
65	13/5/2017	34th Quicksilver 50 km Endurance Run	50,00	—
66	4/2/2017	4th Sean O'Brien 50 km Trail Race	50,00	—
67	12/3/2016	5th Marin Ultra Challenge 50 km Race	50,00	—
68	7/2/2015	2nd Sean O'Brien 50 km Trail Race	50,00	—
69	15/3/2014	3rd Marin Ultra Challenge 50 km Race	50,00	—
70	26/10/2013	14th Whiskeytown 50km Trail Run	50,00	—
71	11/5/2013	30th Quicksilver 50 km Endurance Run	50,00	—
72	2/2/2013	2nd Ray Miller 50 km Trail Race	50,00	—
73	27/10/2012	13th Whiskeytown 50km Trail Run	50,00	—
74	20/5/2012	25th Ohlone 50K Wilderness Run	50,00	—
75	3/12/2011	5th Endurance Challenge - California Trail 50 km	50,00	—
76	12/11/2011	1st Last Chance 50 km	50,00	—
77	22/5/2011	24th Ohlone 50K Wilderness Run	50,00	—
78	6/11/2010	15th Helen Klein Ultra Classic 50km	50,00	—
79	31/5/2009	22nd Ohlone 50K Wilderness Run	50,00	—
80	14/3/2009	20th Way Too Cool 50K Endurance Run	50,00	—
81	23/8/2008	17th Bulldog 50k Ultra Run	50,00	—
82	22/3/2008	4th Rucky Chucky Roundabout 50K	50,00	—
83	16/9/2007	6th Big Basin Redwoods Trail Run	50,00	—
84	10/3/2007	18th Way Too Cool 50K Endurance Run	50,00	—
85	2/12/2006	5th Woodside Trail Run 50K	50,00	—
86	30/11/2024	39th Quad Dipsea Trail Run	45,06	—
87	25/11/2023	38th Quad Dipsea Trail Run	45,06	—
88	27/11/2021	36th Quad Dipsea Trail Run	45,06	—
89	30/11/2019	35th Quad Dipsea Trail Run	45,06	—