Doug Cassiday

Born : 1966 Cat. M60 Ultrarunner since 2004

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

36,4%

Rank quotient ?This runner's calculation uses 94 eligible race(s): Σ(rank − 1) = 4 347; Σ finishers = 11 950. 4 347 / 11 950 × 100 = 36.38%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed94

Km — ultra races7 022 km

> 100 km16

> 160 km12

> 24h5

Longest race160,9 km

9th Wildcat 100 - 100 Mile Race — 2/9/2023

Km per year (ultra races)

513

2022

484

2023

214

2024

295

2025

180

2026

Race types (share of distance)

Road16,7%

Trail83,3%

Wins & podiums (ultra)

🏆 Win3

🏆 Win M3

🏅 Top 39

🏅 Top 3 M11

Longest winning streak1

Current streak0

Records

50 km3h48'16 100 km9h15'58 50 mi9h11'20 100 mi17h43'00 6 h54,40 km 24 h107,83 km

HISTORY

94 race(s)

Date		Race	Perf.	Rk
2026
02.05	50km	11th Grayson Highlands 50km Race	7:34:32 h	63
11.04	50mi	5th Chief Ladiga 100 - 50 Miles	10:31:24 h	10
24.01	50km	32nd Mountain Mist 50k	7:07:21 h	106
2025
25.10	50km	13th Georgia Sky to Summit 50k	8:25:56 h	70
14.06	50km	9th Night Train 50k	6:21:45 h	67
03.05	40mi	47th Strolling Jim 40 Mile	8:12:04 h	73
05.04	50mi	30th Umstead Endurance Run 50 Miles	12:12:20 h	48
25.01	50km	31st Mountain Mist 50k	7:32:34 h	247
2024
03.08	50km	16th Dahlgren Heritage Rail Trail 50K	7:11:58 h	84
04.05	40mi	46th Strolling Jim 40 Mile	9:04:34 h	101
20.04	50km	1st Run The Roost 50 km	6:56:27 h	3 🥉
27.01	50km	30th Mountain Mist 50k	7:30:57 h	182
2023
30.12	36.8mi	13th Round The Bay Ultra	6:43:00 h	19
07.10	50km	9th The Naturalist Trail Race	7:37:10 h	32
02.09	100mi	9th Wildcat 100 - 100 Mile Race	31:03:24 h	9
06.05	40mi	45th Strolling Jim 40 Mile	8:46:17 h	93
11.02	30h	4th Sandhills Trail & Ultra Festival 30 Hour Run	99.779 km	11
28.01	50km	29th Mountain Mist 50k	6:57:56 h	182
2022
31.12	36.8mi	12th Round The Bay Ultra	7:27:00 h	17
20.08	100mi	17th Lean Horse Ultra-Marathon 100 Mile	28:43:39 h	39
16.07	50km	4th Carolina Reaper Challenge	4:49:11 h	16
07.05	40mi	44th Strolling Jim 40 Mile	7:36:22 h	70
12.02	30h	3rd Sandhills Trail & Ultra Festival 30 Hour Run	128.425 km	10
22.01	49.6km	28th Mountain Mist 50k	6:55:20 h	122
2021
31.12	36.8mi	11th Round The Bay Ultra	6:52:00 h	7
02.10	50km	7th The Naturalist Trail Race	8:02:22 h	10
21.08	30h	2nd Sandhills Trail & Ultra Festival 30 Hour Run	128.425 km	10
15.05	56mi	9th Cruel Jewel 50 Mile	18:08:30 h	34
01.05	40mi	43rd Strolling Jim 40 Mile	7:10:05 h	60
23.01	50km	27th Mountain Mist 50k	6:34:28 h	140
2020
27.12	36.8mi	10th Round The Bay Ultra	6:10:00 h	12
22.08	50mi	3rd Southern Fried 50 Mile Race	11:22:07 h	6
29.02	50km	14th Mount Cheaha 50K UltraMarathon Race	7:00:45 h	62
25.01	50km	26th Mountain Mist 50k	7:12:11 h	180
2019
09.11	50km	7th Georgia Sky to Summit 50k	7:05:35 h	54
28.09	8h	1st Lady of the Lake 8 Hour Race	59.545 km	12
13.07	50km	2nd Carolina Reaper Challenge	5:13:37 h	29
26.01	50km	25th Mountain Mist 50k	7:01:47 h	198
2018
15.12	50mi	11th Lookout Mountain 50 Mile Race	13:17:52 h	100
13.10	24h	3rd Sleepy Hollow 24 Hour Ultra	107.826 km	4
05.05	40mi	40th Strolling Jim 40 Mile	7:44:58 h	83
07.04	6h	5th Maria's Spring Fling 6 Hour Run for Epilepsy	54.395 km	3 🥉
24.02	40mi	19th Mount Mitchell Challenge	7:49:01 h	95
27.01	50km	24th Mountain Mist 50k	7:13:19 h	195
2017
06.05	40mi	39th Strolling Jim 40 Mile	8:42:26 h	115
2016
23.01	50km	22nd Mountain Mist 50k	7:02:54 h	116
2015
05.12	36mi	2nd Battle for Black Rock 36 mile	8:40:53 h	9
21.11	50km	2nd Paris Mountain Ultra 50K	6:59:29 h	19
17.10	50km	3rd WC-50 Ultra Trail Marathon 50km	6:43:55 h	28
07.02	40mi	1st Rut Rogue 40s	8:16:15 h	12
03.01	50km	5th Harbison 50K	6:19:03 h	51
2014
03.05	40mi	36th Strolling Jim 40 Mile	7:19:40 h	44
15.03	68mi	2nd Georgia Death Race	17:30:17 h	31
25.01	50km	20th Mountain Mist 50k	6:03:32 h	79
2013
08.12	40mi	24th Pine Mountain 40 Miles	7:44:52 h	20
23.11	50km	3rd Duncan Ridge Trail 50 km Race	7:22:40 h	15
09.11	50km	1st Georgia Sky to Summit 50k	6:07:01 h	15
05.10	100mi trail race	23rd Arkansas Traveller 100	22:35:36 h	12
04.05	40mi	35th Strolling Jim 40 Mile	6:04:19 h	11
2012
05.05	40mi	34th Strolling Jim 40 Mile	7:07:10 h	26
10.03	100mi	1st Graveyard 100 Mile Ultramarathon	22:40:00 h	19
2011
24.09	100mi	1st The Georgia Jewel 100 Mile Run	28:54:39 h	7
25.06	100mi	38th Western States 100 Mile Endurance Run	26:06:32 h	155
07.05	40mi	33rd Strolling Jim 40 Mile	6:02:39 h	21
22.01	50km	17th Mountain Mist 50k	5:51:16 h	62
08.01	50km	18th Atlanta Fat Ass 50K	5:23:00 h	5
2010
11.12	50km	28th Tallahassee Ultra Distance Classic 50K	4:39:12 h	8
26.06	100mi	37th Western States 100 Mile Endurance Run	27:23:14 h	189
01.05	40mi	32nd Strolling Jim 40 Mile	5:58:30 h	10
17.04	24h	2nd Lynch's Wood 24 Hour Run	99.779 km	7
27.02	40mi	12th Mount Mitchell Challenge	6:35:28 h	46
23.01	50km	16th Mountain Mist 50k	5:39:19 h	49
2009
02.05	40mi	31st Strolling Jim 40 Mile	5:59:37 h	9
28.02	40mi	11th Mount Mitchell Challenge	6:45:14 h	23
24.01	50km	15th Mountain Mist 50k	5:32:23 h	44
2008
08.11	100mi	1st Pinhoti 100 Mile	23:53:00 h	9
22.08	50mi	1st Cheat Mountain Moonshine Madness 50 Mile Trail Run	9:11:20 h	2 🥈
17.05	100mi	14th Massanutten Mountain Trails 100 Mile	29:41:10 h	29
26.01	50km	14th Mountain Mist 50k	5:08:48 h	29
2007
24.11	50km	3rd Bartram Forest Winter Trail Run	4:24:55 h	1 🏆
16.06	100mi	18th Mohican Trail 100 Mile	20:23:47 h	7
05.05	40mi	29th Strolling Jim 40 Mile	5:52:00 h	8
31.03	100mi	13th Umstead Endurance Run 100 Miles	17:43:00 h	3 🥉
18.02	50km	3rd 50km Silver Comet Ultra Run	3:50:00 h	2 🥈
2006
05.11	50km	5th Peachtree City 50K	3:48:16 h	1 🏆
06.05	40mi	28th Strolling Jim 40 Mile	5:49:28 h	12
19.04	50km	1st Way Too Hot	4:35:00 h	1 🏆
08.04	100mi	12th Umstead Endurance Run 100 Miles	18:42:46 h	4
25.02	100km	2nd 100km Silver Comet Ultra Run	9:15:58 h	2 🥈
15.01	50km	13th Atlanta Fat Ass 50K	4:32:00 h	7
2005
26.02	40mi	7th Mount Mitchell Challenge	6:45:10 h	16
29.01	50km	11th Mountain Mist 50k	5:35:22 h	41
2004
14.11	50km	3rd Peachtree City 50K	4:08:18 h	17
01.05	40mi	26th Strolling Jim 40 Mile	7:21:20 h	25

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	2/9/2023	9th Wildcat 100 - 100 Mile Race	160,93	×2
✓ 2	20/8/2022	17th Lean Horse Ultra-Marathon 100 Mile	160,93	×2
✓ 3	5/10/2013	23rd Arkansas Traveller 100 (USA)	160,93	×2
✓ 4	10/3/2012	1st Graveyard 100 Mile Ultramarathon	160,93	×2
✓ 5	24/9/2011	1st The Georgia Jewel 100 Mile Run	160,93	×2
✓ 6	25/6/2011	38th Western States 100 Mile Endurance Run	160,93	×2
✓ 7	26/6/2010	37th Western States 100 Mile Endurance Run	160,93	×2
✓ 8	8/11/2008	1st Pinhoti 100 Mile	160,93	×2
✓ 9	17/5/2008	14th Massanutten Mountain Trails 100 Mile	160,93	×2
✓ 10	16/6/2007	18th Mohican Trail 100 Mile	160,93	×2
✓ 11	31/3/2007	13th Umstead Endurance Run 100 Miles	160,93	×2
✓ 12	8/4/2006	12th Umstead Endurance Run 100 Miles	160,93	×2
✓ 13	12/2/2022	3rd Sandhills Trail & Ultra Festival 30 Hour Run	128,43	×2
✓ 14	21/8/2021	2nd Sandhills Trail & Ultra Festival 30 Hour Run	128,43	×2
✓ 15	15/3/2014	2nd Georgia Death Race	109,44	×1
✓ 16	13/10/2018	3rd Sleepy Hollow 24 Hour Ultra	107,83	×1
✓ 17	25/2/2006	2nd 100km Silver Comet Ultra Run	100,00	×1
✓ 18	11/2/2023	4th Sandhills Trail & Ultra Festival 30 Hour Run	99,78	×1
✓ 19	17/4/2010	2nd Lynch's Wood 24 Hour Run	99,78	×1
✓ 20	15/5/2021	9th Cruel Jewel 50 Mile	90,12	×1
✓ 21	11/4/2026	5th Chief Ladiga 100 - 50 Miles	80,47	×1
✓ 22	5/4/2025	30th Umstead Endurance Run 50 Miles	80,47	×1
✓ 23	22/8/2020	3rd Southern Fried 50 Mile Race	80,47	×1
✓ 24	15/12/2018	11th Lookout Mountain 50 Mile Race	80,47	×1
✓ 25	22/8/2008	1st Cheat Mountain Moonshine Madness 50 Mile Trail Run	80,47	×1
✓ 26	3/5/2025	47th Strolling Jim 40 Mile	64,37	×1
✓ 27	4/5/2024	46th Strolling Jim 40 Mile	64,37	×1
✓ 28	6/5/2023	45th Strolling Jim 40 Mile	64,37	×1
✓ 29	7/5/2022	44th Strolling Jim 40 Mile	64,37	×1
✓ 30	1/5/2021	43rd Strolling Jim 40 Mile	64,37	×1
✓ 31	5/5/2018	40th Strolling Jim 40 Mile	64,37	×1
✓ 32	24/2/2018	19th Mount Mitchell Challenge	64,37	×1
✓ 33	6/5/2017	39th Strolling Jim 40 Mile	64,37	×1
✓ 34	7/2/2015	1st Rut Rogue 40s	64,37	×1
✓ 35	3/5/2014	36th Strolling Jim 40 Mile	64,37	×1
✓ 36	8/12/2013	24th Pine Mountain 40 Miles	64,37	×1
✓ 37	4/5/2013	35th Strolling Jim 40 Mile	64,37	×1
✓ 38	5/5/2012	34th Strolling Jim 40 Mile	64,37	×1
✓ 39	7/5/2011	33rd Strolling Jim 40 Mile	64,37	×1
✓ 40	1/5/2010	32nd Strolling Jim 40 Mile	64,37	×1
✓ 41	27/2/2010	12th Mount Mitchell Challenge	64,37	×1
✓ 42	2/5/2009	31st Strolling Jim 40 Mile	64,37	×1
✓ 43	28/2/2009	11th Mount Mitchell Challenge	64,37	×1
✓ 44	5/5/2007	29th Strolling Jim 40 Mile	64,37	×1
✓ 45	6/5/2006	28th Strolling Jim 40 Mile	64,37	×1
✓ 46	26/2/2005	7th Mount Mitchell Challenge	64,37	×1
✓ 47	1/5/2004	26th Strolling Jim 40 Mile	64,37	×1
✓ 48	28/9/2019	1st Lady of the Lake 8 Hour Race	59,55	—
✓ 49	30/12/2023	13th Round The Bay Ultra	59,22	—
✓ 50	31/12/2022	12th Round The Bay Ultra	59,22	—
✓ 51	31/12/2021	11th Round The Bay Ultra	59,22	—
✓ 52	27/12/2020	10th Round The Bay Ultra	59,22	—
✓ 53	5/12/2015	2nd Battle for Black Rock 36 mile	57,94	—
✓ 54	7/4/2018	5th Maria's Spring Fling 6 Hour Run for Epilepsy	54,40	—
55	2/5/2026	11th Grayson Highlands 50km Race	50,00	—
56	24/1/2026	32nd Mountain Mist 50k	50,00	—
57	25/10/2025	13th Georgia Sky to Summit 50k	50,00	—
58	14/6/2025	9th Night Train 50k	50,00	—
59	25/1/2025	31st Mountain Mist 50k	50,00	—
60	3/8/2024	16th Dahlgren Heritage Rail Trail 50K	50,00	—
61	20/4/2024	1st Run The Roost 50 km	50,00	—
62	27/1/2024	30th Mountain Mist 50k	50,00	—
63	7/10/2023	9th The Naturalist Trail Race	50,00	—
64	28/1/2023	29th Mountain Mist 50k	50,00	—
65	16/7/2022	4th Carolina Reaper Challenge	50,00	—
66	2/10/2021	7th The Naturalist Trail Race	50,00	—
67	23/1/2021	27th Mountain Mist 50k	50,00	—
68	29/2/2020	14th Mount Cheaha 50K UltraMarathon Race	50,00	—
69	25/1/2020	26th Mountain Mist 50k	50,00	—
70	9/11/2019	7th Georgia Sky to Summit 50k	50,00	—
71	13/7/2019	2nd Carolina Reaper Challenge	50,00	—
72	26/1/2019	25th Mountain Mist 50k	50,00	—
73	27/1/2018	24th Mountain Mist 50k	50,00	—
74	23/1/2016	22nd Mountain Mist 50k	50,00	—
75	21/11/2015	2nd Paris Mountain Ultra 50K	50,00	—
76	17/10/2015	3rd WC-50 Ultra Trail Marathon 50km	50,00	—
77	3/1/2015	5th Harbison 50K	50,00	—
78	25/1/2014	20th Mountain Mist 50k	50,00	—
79	23/11/2013	3rd Duncan Ridge Trail 50 km Race	50,00	—
80	9/11/2013	1st Georgia Sky to Summit 50k	50,00	—
81	22/1/2011	17th Mountain Mist 50k	50,00	—
82	8/1/2011	18th Atlanta Fat Ass 50K	50,00	—
83	11/12/2010	28th Tallahassee Ultra Distance Classic 50K	50,00	—
84	23/1/2010	16th Mountain Mist 50k	50,00	—
85	24/1/2009	15th Mountain Mist 50k	50,00	—
86	26/1/2008	14th Mountain Mist 50k	50,00	—
87	24/11/2007	3rd Bartram Forest Winter Trail Run	50,00	—
88	18/2/2007	3rd 50km Silver Comet Ultra Run	50,00	—
89	5/11/2006	5th Peachtree City 50K	50,00	—
90	19/4/2006	1st Way Too Hot	50,00	—
91	15/1/2006	13th Atlanta Fat Ass 50K	50,00	—
92	29/1/2005	11th Mountain Mist 50k	50,00	—
93	14/11/2004	3rd Peachtree City 50K	50,00	—
94	22/1/2022	28th Mountain Mist 50k	49,60	—