Sara Davidson

Born : 1983 Cat. W40 Ultrarunner since 2009

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

51,5%

Rank quotient ?This runner's calculation uses 79 eligible race(s): Σ(rank − 1) = 6 199; Σ finishers = 12 039. 6 199 / 12 039 × 100 = 51.49%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed79

Km — ultra races7 067 km

> 100 km18

> 160 km16

> 200 km4

> 24h1

Longest race383,0 km

2nd Moab 240 Endurance Run — 12/10/2018

Km per year (ultra races)

372

2022

2023

262

2024

261

2025

2026

Race types (share of distance)

Road3,0%

Trail97,0%

Wins & podiums (ultra)

🏆 Win0

🏆 Win F2

🏅 Top 32

🏅 Top 3 F7

Longest winning streak0

Current streak0

Records

50 km5h25'42 100 km12h59'34 50 mi10h47'08 100 mi20h34'13 6 h51,50 km 12 h95,92 km 24 h80,47 km

HISTORY

79 race(s)

Date		Race	Perf.	Rk
2025
26.04	100mi	13th C&O Canal 100 Mile	21:11:44 h	20
08.03	50km	20th Seneca Creek Greenway Trail 50k	6:27:21 h	70
22.02	50km	2nd Saint Marys Lake Trail Series	5:57:49 h	14
2024
12.10	100mi	8th Canal Corridor 100 Mile Endurance Run	21:44:45 h	45
03.08	50km	16th Dahlgren Heritage Rail Trail 50K	6:14:25 h	46
20.07	6h	14th Endless Summer 6-Hour Run	51.499 km	21
2022
12.11	100mi	9th Tunnel Hill 100 Mile Race	21:20:36 h	32
02.04	100mi	27th Umstead Endurance Run 100 Miles	20:34:13 h	22
01.01	50km	24th Red Eye 50km	6:13:31 h	12
2021
11.12	50km	23th Magnus Gluteus Maximus 50 km	6:55:00 h	17
13.08	206mi	7th Bigfoot 200 Endurance Run	3d 13:33:08 h	29
24.07	50km	9th Catherine's 50k Run	8:30:00 h	45
12.06	70.5mi	42nd Laurel Highlands 70 Mile Ultra	17:19:55 h	25
23.04	24h	15th 24 Hour Adventure Trail Run	80.467 km	16
13.03	50km	17th Seneca Creek Greenway Trail 50k	6:12:15 h	33
2020
19.09	12h	15th 12 Hour Adventure Trail Run	95.916 km	2 🥈
11.01	100km	20th Bandera 100 km Endurance Run	14:01:00 h	86
2019
14.12	50km	22th Magnus Gluteus Maximus 50 km	6:38:00 h	25
13.09	100mi	13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run	31:51:47 h	80
01.06	100mi	41st Old Dominion 100 Mile Endurance Run	22:25:25 h	19
04.05	100km	24th Miwok 100k Trail Race	12:59:34 h	90
23.03	50km	31st The HAT Run 50K	5:43:38 h	75
2018
12.10	238mi	2nd Moab 240 Endurance Run	3d 14:54:42 h	33
23.06	100mi	45th Western States 100 Mile Endurance Run	25:25:42 h	138
12.05	50km	8th Ultra Race of Champions (UROC) 50K	7:34:04 h	20
24.03	50km	30th The HAT Run 50K	6:10:31 h	128
2017
04.11	100mi	10th Pinhoti 100 Mile	27:14:32 h	62
07.10	50km	4th PB&J Fat Ass 50K	8:27:00 h	47
08.09	202mi	4th Tahoe 200 Mile Endurance Run	3d 12:07:08 h	47
12.08	32.5mi	10th Martha Moats Baker Memorial 50k	9:58:00 h	29
15.07	50km	22nd Catoctin 50k Trail Run	7:41:17 h	58
16.06	100mi	5th Bryce 100 Mile Trail Run	32:17:46 h	73
13.05	100km	7th Ultra Race of Champions (UROC) 100K	15:24:34 h	32
18.03	50km	29th The HAT Run 50K	6:23:17 h	120
04.03	50km	13th Seneca Creek Greenway Trail 50k	5:48:40 h	34
2016
10.12	50km	19th Magnus Gluteus Maximus 50 km	6:48:00 h	36
05.11	100mi	9th Pinhoti 100 Mile	24:45:52 h	37
01.10	50km	3rd PB&J Fat Ass 50K	6:33:00 h	14
12.08	200mi	2nd Bigfoot 200 Endurance Run	4d 03:29:00 h	38
17.06	52mi	24th Bighorn Mountain Wild & Scenic 50mi Trail Run	12:41:05 h	48
07.05	10h	5th Farm Park Challenge - 10 Hour Run	51.177 km	3 🥉
12.03	100km	3rd Thomas Jefferson 100k	14:15:39 h	19
13.02	50km	21st Holiday Lake 50K++	5:42:43 h	90
01.01	50km	20th Red Eye 50km	6:31:00 h	13
2015
28.03	100mi	21st Umstead Endurance Run 100 Miles	23:08:18 h	59
14.02	50km	20th Holiday Lake 50K++	6:09:50 h	159
2014
13.12	50km	17th Magnus Gluteus Maximus 50 km	7:18:00 h	61
08.11	50km	5th Rosaryville Veterans Day 50K	5:42:37 h	65
19.07	100mi	26th Vermont 100 Mile Endurance Race	24:55:28 h	136
14.06	50mi	3rd OSS/CIA 50 Mile Night Run	12:20:02 h	16
10.05	50km	16th Capon Valley 50K Run	7:32:41 h	58
22.03	50km	26th The HAT Run 50K	6:42:56 h	212
08.03	50km	10th Seneca Creek Greenway Trail 50k	7:21:06 h	105
2013
09.11	50km	4th Rosaryville Veterans Day 50K	5:25:42 h	68
21.07	50km	5th Rosaryville 50 km Trail Run	6:01:46 h	29
08.06	70.5mi	34th Laurel Highlands 70 Mile Ultra	18:13:37 h	44
11.05	50km	15th Capon Valley 50K Run	6:35:02 h	67
13.04	50mi	21st Bull Run Run 50 Miler	10:47:08 h	168
23.03	50km	25th The HAT Run 50K	7:29:15 h	313
09.02	50km	18th Holiday Lake 50K++	6:00:08 h	188
2012
15.12	50km	15th Magnus Gluteus Maximus 50 km	6:59:00 h	80
22.07	50km	4th Rosaryville 50 km Trail Run	6:05:59 h	33
19.05	50km	14th Capon Valley 50K Run	6:37:13 h	119
14.04	50mi	20th Bull Run Run 50 Miler	11:16:27 h	208
24.03	50km	24th The HAT Run 50K	6:59:25 h	247
03.03	50km	8th Seneca Creek Greenway Trail 50k	7:04:34 h	129
11.02	50km	17th Holiday Lake 50K++	6:25:30 h	239
2011
19.11	50mi	2nd Stone Mill 50 Mile Run	13:18:56 h	147
17.07	50km	3rd Rosaryville 50 km Trail Run	5:54:57 h	35
04.06	50mi	4th Endurance Challenge - Washington D.C. Trail 50 Miles	11:57:50 h	185
07.05	50km	13th Capon Valley 50K Run	7:03:12 h	100
09.04	50mi	19th Bull Run Run 50 Miler	11:29:24 h	244
19.03	50km	23rd The HAT Run 50K	6:55:17 h	249
05.03	50km	7th Seneca Creek Greenway Trail 50k	6:15:35 h	109
26.02	50km	3rd Hashawha Hills 50 km Trail Run	7:20:16 h	63
2010
13.11	50km	1st Rosaryville Veterans Day 50K	5:58:06 h	59
08.05	50km	12th Capon Valley 50K Run	6:45:02 h	114
2009
19.09	50km	2nd Endurance Challenge - Washington D.C. Trail 50 km	6:55:27 h	105
01.08	50km	14th Catoctin 50k Trail Run	8:34:38 h	122

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	12/10/2018	2nd Moab 240 Endurance Run	383,02	×6
✓ 2	13/8/2021	7th Bigfoot 200 Endurance Run	331,52	×5
✓ 3	8/9/2017	4th Tahoe 200 Mile Endurance Run	325,09	×5
✓ 4	12/8/2016	2nd Bigfoot 200 Endurance Run	321,87	×5
✓ 5	26/4/2025	13th C&O Canal 100 Mile	160,93	×2
✓ 6	12/10/2024	8th Canal Corridor 100 Mile Endurance Run	160,93	×2
✓ 7	12/11/2022	9th Tunnel Hill 100 Mile Race	160,93	×2
✓ 8	2/4/2022	27th Umstead Endurance Run 100 Miles	160,93	×2
✓ 9	13/9/2019	13th Run Rabbit Run 100 Mile UltraMarathon - Tortoises Run	160,93	×2
✓ 10	1/6/2019	41st Old Dominion 100 Mile Endurance Run	160,93	×2
✓ 11	23/6/2018	45th Western States 100 Mile Endurance Run	160,93	×2
✓ 12	4/11/2017	10th Pinhoti 100 Mile	160,93	×2
✓ 13	16/6/2017	5th Bryce 100 Mile Trail Run	160,93	×2
✓ 14	5/11/2016	9th Pinhoti 100 Mile	160,93	×2
✓ 15	28/3/2015	21st Umstead Endurance Run 100 Miles	160,93	×2
✓ 16	19/7/2014	26th Vermont 100 Mile Endurance Race	160,93	×2
✓ 17	12/6/2021	42nd Laurel Highlands 70 Mile Ultra	113,46	×1
✓ 18	8/6/2013	34th Laurel Highlands 70 Mile Ultra	113,46	×1
✓ 19	11/1/2020	20th Bandera 100 km Endurance Run	100,00	×1
✓ 20	4/5/2019	24th Miwok 100k Trail Race	100,00	×1
✓ 21	13/5/2017	7th Ultra Race of Champions (UROC) 100K	100,00	×1
✓ 22	12/3/2016	3rd Thomas Jefferson 100k	100,00	×1
✓ 23	19/9/2020	15th 12 Hour Adventure Trail Run	95,92	×1
✓ 24	17/6/2016	24th Bighorn Mountain Wild & Scenic 50mi Trail Run	83,69	×1
✓ 25	14/6/2014	3rd OSS/CIA 50 Mile Night Run	80,47	×1
✓ 26	13/4/2013	21st Bull Run Run 50 Miler	80,47	×1
✓ 27	14/4/2012	20th Bull Run Run 50 Miler	80,47	×1
✓ 28	19/11/2011	2nd Stone Mill 50 Mile Run	80,47	×1
✓ 29	4/6/2011	4th Endurance Challenge - Washington D.C. Trail 50 Miles	80,47	×1
✓ 30	9/4/2011	19th Bull Run Run 50 Miler	80,47	×1
✓ 31	23/4/2021	15th 24 Hour Adventure Trail Run	80,47	×1
✓ 32	12/8/2017	10th Martha Moats Baker Memorial 50k	52,30	—
✓ 33	20/7/2024	14th Endless Summer 6-Hour Run	51,50	—
✓ 34	7/5/2016	5th Farm Park Challenge - 10 Hour Run	51,18	—
✓ 35	8/3/2025	20th Seneca Creek Greenway Trail 50k	50,00	—
✓ 36	22/2/2025	2nd Saint Marys Lake Trail Series	50,00	—
✓ 37	3/8/2024	16th Dahlgren Heritage Rail Trail 50K	50,00	—
✓ 38	1/1/2022	24th Red Eye 50km	50,00	—
✓ 39	11/12/2021	23th Magnus Gluteus Maximus 50 km	50,00	—
✓ 40	24/7/2021	9th Catherine's 50k Run	50,00	—
✓ 41	13/3/2021	17th Seneca Creek Greenway Trail 50k	50,00	—
✓ 42	14/12/2019	22th Magnus Gluteus Maximus 50 km	50,00	—
✓ 43	23/3/2019	31st The HAT Run 50K	50,00	—
✓ 44	12/5/2018	8th Ultra Race of Champions (UROC) 50K	50,00	—
✓ 45	24/3/2018	30th The HAT Run 50K	50,00	—
✓ 46	7/10/2017	4th PB&J Fat Ass 50K	50,00	—
✓ 47	15/7/2017	22nd Catoctin 50k Trail Run	50,00	—
✓ 48	18/3/2017	29th The HAT Run 50K	50,00	—
✓ 49	4/3/2017	13th Seneca Creek Greenway Trail 50k	50,00	—
✓ 50	10/12/2016	19th Magnus Gluteus Maximus 50 km	50,00	—
51	1/10/2016	3rd PB&J Fat Ass 50K	50,00	—
52	13/2/2016	21st Holiday Lake 50K++	50,00	—
53	1/1/2016	20th Red Eye 50km	50,00	—
54	14/2/2015	20th Holiday Lake 50K++	50,00	—
55	13/12/2014	17th Magnus Gluteus Maximus 50 km	50,00	—
56	8/11/2014	5th Rosaryville Veterans Day 50K	50,00	—
57	10/5/2014	16th Capon Valley 50K Run	50,00	—
58	22/3/2014	26th The HAT Run 50K	50,00	—
59	8/3/2014	10th Seneca Creek Greenway Trail 50k	50,00	—
60	9/11/2013	4th Rosaryville Veterans Day 50K	50,00	—
61	21/7/2013	5th Rosaryville 50 km Trail Run	50,00	—
62	11/5/2013	15th Capon Valley 50K Run	50,00	—
63	23/3/2013	25th The HAT Run 50K	50,00	—
64	9/2/2013	18th Holiday Lake 50K++	50,00	—
65	15/12/2012	15th Magnus Gluteus Maximus 50 km	50,00	—
66	22/7/2012	4th Rosaryville 50 km Trail Run	50,00	—
67	19/5/2012	14th Capon Valley 50K Run	50,00	—
68	24/3/2012	24th The HAT Run 50K	50,00	—
69	3/3/2012	8th Seneca Creek Greenway Trail 50k	50,00	—
70	11/2/2012	17th Holiday Lake 50K++	50,00	—
71	17/7/2011	3rd Rosaryville 50 km Trail Run	50,00	—
72	7/5/2011	13th Capon Valley 50K Run	50,00	—
73	19/3/2011	23rd The HAT Run 50K	50,00	—
74	5/3/2011	7th Seneca Creek Greenway Trail 50k	50,00	—
75	26/2/2011	3rd Hashawha Hills 50 km Trail Run	50,00	—
76	13/11/2010	1st Rosaryville Veterans Day 50K	50,00	—
77	8/5/2010	12th Capon Valley 50K Run	50,00	—
78	19/9/2009	2nd Endurance Challenge - Washington D.C. Trail 50 km	50,00	—
79	1/8/2009	14th Catoctin 50k Trail Run	50,00	—