Charles Corfield

Born : 1958 Cat. M65 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

15,5%

Rank quotient ?This runner's calculation uses 106 eligible race(s): Σ(rank − 1) = 1 919; Σ finishers = 12 403. 1 919 / 12 403 × 100 = 15.47%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed106

Km — ultra races8 942 km

> 100 km7

> 160 km7

Longest race160,9 km

5th The Zion 100 Mile Run — 8/4/2016

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road0,9%

Trail99,1%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 321

🏅 Top 3 M21

Longest winning streak1

Current streak0

Records

50 km4h39'39 100 km10h34'36 50 mi6h42'58 100 mi19h09'32

HISTORY

106 race(s)

Date		Race	Perf.	Rk
2026
11.07	50mi	19th Leadville Silver Rush 50 Mile Run	9:52:26 h	125
2025
22.03	50km	12th Behind the Rocks 50km Race	7:46:04 h	121
2023
25.03	50mi	10th Behind the Rocks 50 Mile Race	12:03:29 h	39
2020
29.02	50mi	7th Monument Valley 50 Mile Race	12:02:54 h	18
2019
02.11	53mi	10th Deadman Peaks Trail Run	11:27:19 h	29
05.10	50mi	8th Flagstaff Sky Peaks 50 Miles Mountain Run	11:59:25 h	10
06.07	50mi	12th Leadville Silver Rush 50 Mile Run	9:52:26 h	124
28.06	50mi	9th Black Hills 50 Mile Run	12:20:51 h	15
08.06	50mi	23nd Snow Peaks 50 Mile Trail Run	10:02:38 h	46
18.05	50mi	7th Bryce 50 Mile Trail Run	10:19:37 h	10
12.04	100km	8th The Zion 100 km Run	12:19:07 h	29
16.02	50mi	38th Cross Timbers Trail Run	11:15:25 h	4
2018
07.01	100km	18th Bandera 100 km Endurance Run	14:16:15 h	81
2017
29.04	50mi	28th Zane Grey 50 Mile Endurance Run	13:46:58 h	54
25.03	50mi	4th Behind the Rocks 50 Mile Race	11:28:41 h	55
2016
19.11	50mi	2nd Dead Horse 50 Mile Race	9:37:01 h	33
09.07	50km	2nd Capitol Reef 50K	10:22:42 h	43
25.06	50mi	6th Black Hills 50 Mile Run	10:21:14 h	8
21.05	50mi	3rd Grand Canyon 50 Mile	9:14:00 h	9
08.04	100mi	5th The Zion 100 Mile Run	22:09:34 h	14
19.03	50mi	3rd Monument Valley 50 Mile Race	9:55:00 h	17
20.02	50mi	3rd Antelope Canyon 50 Mile Race	10:18:57 h	35
2015
19.09	50mi	9th Run Rabbit Run 50 Mile Endurance Run	10:04:20 h	24
01.08	50mi	11th HURL Elkhorn 50 Mile Endurance Run	12:47:59 h	11
18.07	50mi	14th Tahoe Rim Trail 50M Endurance Run	10:41:56 h	19
12.07	50mi	8th Leadville Silver Rush 50 Mile Run	9:43:59 h	68
27.06	50mi	5th Black Hills 50 Mile Run	11:59:35 h	18
10.01	100km	15th Bandera 100 km Ultratrail	13:14:03 h	43
10.01	100km	15th Bandera 100 km Ultratrail - US Trail Championships	13:14:03 h	26
2014
11.10	50mi	33rd Le Grizz 50 Mile Ultramarathon	9:17:09 h	38
19.07	50mi	13th Tahoe Rim Trail 50M Endurance Run	10:56:40 h	24
28.06	50mi	4th Black Hills 50 Mile Run	11:08:29 h	11
17.05	50mi	21st Bishop High Sierra Ultramarathons 50 Miles	10:29:19 h	8
26.04	50km	25th Zane Grey Highline Trail 50 km	8:24:15 h	59
15.02	50mi	33rd Cross Timbers Trail Run	9:36:23 h	3 🥉
11.01	100km trail race	14th Bandera 100 km Ultratrail - Open race	11:33:56 h	20
11.01	100km trail race	14th Bandera 100 km Ultratrail - US Trail Championships	11:33:56 h	16
2013
17.08	100mi	31st Leadville Trail 100 Mile	21:18:44 h	21
03.08	50mi	9th HURL Elkhorn 50 Mile Endurance Run	10:45:34 h	5
14.07	50mi	6th Leadville Silver Rush 50 Mile Run	8:14:03 h	20
29.06	50mi	3rd Black Hills 50 Mile Run	9:24:36 h	2 🥈
01.06	50mi	17th Snow Peaks 50 Mile Trail Run	9:25:53 h	6
18.05	50mi	20th Bishop High Sierra Ultramarathons 50 Miles	8:26:12 h	4
19.04	100mi	2nd The Zion 100 Mile Run	19:46:55 h	9
23.03	50mi	8th Antelope Island Buffalo Run 50 Mile	7:45:30 h	10
02.03	50mi	4th Nueces 50 Mile Trail Run	7:59:21 h	15
16.02	50mi	32nd Cross Timbers Trail Run	8:45:58 h	2 🥈
2012
18.08	100mi	30th Leadville Trail 100 Mile	20:57:13 h	16
04.08	50mi	8th HURL Elkhorn 50 Mile Endurance Run	11:01:18 h	3 🥉
21.07	50mi	11th Tahoe Rim Trail 50M Endurance Run	9:21:02 h	8
23.06	50mi	2nd Black Hills 50 Mile Run	10:02:55 h	3 🥉
02.06	50mi	16th Snow Peaks 50 Mile Trail Run	9:45:53 h	9
19.05	50mi	19th Bishop High Sierra Ultramarathons 50 Miles	8:37:08 h	2 🥈
11.05	50mi	1st The Zion 50 Mile Run	8:59:56 h	6
21.04	50mi	23rd Zane Grey 50 Mile Endurance Run	10:59:04 h	16
24.03	50mi	6th Old Goat's 50 Mile Trail Race	9:59:38 h	25
2011
03.12	50mi	5th Endurance Challenge - California Trail 50 Mile	9:05:57 h	84
17.09	50mi	5th Run Rabbit Run 50 Mile UltraMarathon	8:58:00 h	7
20.08	100mi	29th Leadville Trail 100 Mile	19:09:32 h	8
16.07	50mi	10th Tahoe Rim Trail 50M Endurance Run	9:11:06 h	7
18.06	50mi	17th San Juan Solstice 50 Mile Run	11:01:51 h	26
26.03	50mi	6th Antelope Island Buffalo Run 50 Mile	9:07:24 h	25
08.01	50mi	4th Running from an Angel 50 Miler	6:56:18 h	1 🏆
2010
09.10	50mi	29th Le Grizz 50 Mile Ultramarathon	6:42:58 h	3 🥉
07.08	50mi	6th HURL Elkhorn 50 Mile Endurance Run	9:51:35 h	2 🥈
24.07	52mi	1st Grand Mesa 50 Mile Trail Race	11:09:00 h	3 🥉
19.06	50mi	16th San Juan Solstice 50 Mile Run	10:58:09 h	24
22.05	50mi	5th Jemez Mountain 50mi Trail Run	11:03:26 h	19
25.04	50mi	7th Capitol Peak 50 Miler	9:13:57 h	30
20.02	50mi	29th Cross Timbers Trail Run	9:11:56 h	3 🥉
13.02	50km	3rd Twin Peaks 50K	6:02:37 h	5
06.02	50mi	18th Rocky Raccoon 50 Mile Trail Run	7:50:57 h	13
2009
21.11	50mi	6th PCT 50 Mile Trail Run	8:36:00 h	6
10.10	50mi	28th Le Grizz 50 Mile Ultramarathon	7:47:38 h	4
19.09	50mi	5th Moab's Alpine to Slickrock 50mi	9:59:00 h	3 🥉
28.03	50mi	4th Antelope Island Buffalo Run 50 Mile	8:01:22 h	9
2008
16.08	100mi	26th Leadville Trail 100 Mile	21:18:33 h	6
20.06	50mi	17th Bighorn Mountain Wild & Scenic 50mi Trail Run	9:59:20 h	16
17.05	50mi	3rd Jemez Mountain 50mi Trail Run	12:08:57 h	28
10.05	50mi	27th Ice Age Trail 50 Mile Run	9:26:19 h	56
26.04	55km	5th Capitol Peak 55K	6:21:14 h	18
05.04	50mi	10th Rockin-K Trail 50 Mile	10:04:16 h	10
08.03	50mi	5th Land Between The Lakes 50 Mile Trail Run	8:24:08 h	6
23.02	50mi	27th Cross Timbers Trail Run	8:33:34 h	1 🏆
02.02	50mi	16th Rocky Raccoon 50 Mile Trail Run	7:11:43 h	4
2007
13.10	50mi	26th Le Grizz 50 Mile Ultramarathon	6:53:06 h	3 🥉
22.09	50mi	3rd Moab's Alpine to Slickrock 50mi	9:06:56 h	2 🥈
15.09	50mi	1st Run Rabbit Run 50 Mile UltraMarathon	8:46:00 h	2 🥈
18.08	100mi	25th Leadville Trail 100 Mile	19:42:30 h	3 🥉
21.07	50mi	6th Tahoe Rim Trail 50M Endurance Runs	8:48:19 h	5
14.07	50km	9th Siskiyou Out Back 50 km Trail Run	4:39:39 h	10
16.06	50mi	13th San Juan Solstice 50 Mile Run	10:12:56 h	4
19.05	50mi	2nd Jemez Mountain 50mi Trail Run	10:10:37 h	7
28.04	50mi	18th Zane Grey Highline Trail 50 Mile	10:27:23 h	8
21.04	50mi	4th Desert Rats Trail Running Festival 50 Miles	9:25:18 h	16
13.01	50km	7th Bandera 50 km Ultratrail	5:30:00 h	9
2006
07.10	50km	3rd Telegraph Trail 50K	4:47:03 h	5
29.07	50mi	2nd HURL Elkhorn 50 Mile Endurance Run	11:06:49 h	4
24.06	50km	4th Old Gabe 50K	7:23:34 h	7
28.05	52.4mi	29th Rocky Mountain Double Marathon	9:02:17 h	3 🥉
2004
09.10	50km	1st Telegraph Trail 50K	4:49:05 h	3 🥉
18.09	50mi	1st Moab's Alpine to Slickrock 50mi	9:57:03 h	4
28.08	100km	Elkhorn Mountain Endurance Run 100 km	10:34:36 h	2 🥈
31.07	50mi	6th Mt. Hood 50 Mile Trail Run	7:37:00 h	5
18.06	50mi	13th Bighorn Mountain Wild & Scenic 50mi Trail Run	8:48:11 h	2 🥈
07.02	50mi	12th Rocky Raccoon 50 Mile Trail Run	7:24:04 h	5

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	8/4/2016	5th The Zion 100 Mile Run	160,93	×2
✓ 2	17/8/2013	31st Leadville Trail 100 Mile	160,93	×2
✓ 3	19/4/2013	2nd The Zion 100 Mile Run	160,93	×2
✓ 4	18/8/2012	30th Leadville Trail 100 Mile	160,93	×2
✓ 5	20/8/2011	29th Leadville Trail 100 Mile	160,93	×2
✓ 6	16/8/2008	26th Leadville Trail 100 Mile	160,93	×2
✓ 7	18/8/2007	25th Leadville Trail 100 Mile	160,93	×2
✓ 8	12/4/2019	8th The Zion 100 km Run	100,00	×1
✓ 9	7/1/2018	18th Bandera 100 km Endurance Run	100,00	×1
✓ 10	10/1/2015	15th Bandera 100 km Ultratrail	100,00	×1
✓ 11	11/1/2014	14th Bandera 100 km Ultratrail - Open race (USA)	100,00	×1
✓ 12	28/8/2004	Elkhorn Mountain Endurance Run 100 km	100,00	×1
✓ 13	2/11/2019	10th Deadman Peaks Trail Run	85,30	×1
✓ 14	28/5/2006	29th Rocky Mountain Double Marathon	84,33	×1
✓ 15	24/7/2010	1st Grand Mesa 50 Mile Trail Race	83,69	×1
✓ 16	11/7/2026	19th Leadville Silver Rush 50 Mile Run	80,47	×1
✓ 17	25/3/2023	10th Behind the Rocks 50 Mile Race	80,47	×1
✓ 18	29/2/2020	7th Monument Valley 50 Mile Race	80,47	×1
✓ 19	5/10/2019	8th Flagstaff Sky Peaks 50 Miles Mountain Run	80,47	×1
✓ 20	6/7/2019	12th Leadville Silver Rush 50 Mile Run	80,47	×1
✓ 21	28/6/2019	9th Black Hills 50 Mile Run	80,47	×1
✓ 22	8/6/2019	23nd Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 23	18/5/2019	7th Bryce 50 Mile Trail Run	80,47	×1
✓ 24	16/2/2019	38th Cross Timbers Trail Run	80,47	×1
✓ 25	29/4/2017	28th Zane Grey 50 Mile Endurance Run	80,47	×1
✓ 26	25/3/2017	4th Behind the Rocks 50 Mile Race	80,47	×1
✓ 27	19/11/2016	2nd Dead Horse 50 Mile Race	80,47	×1
✓ 28	25/6/2016	6th Black Hills 50 Mile Run	80,47	×1
✓ 29	21/5/2016	3rd Grand Canyon 50 Mile	80,47	×1
✓ 30	19/3/2016	3rd Monument Valley 50 Mile Race	80,47	×1
✓ 31	20/2/2016	3rd Antelope Canyon 50 Mile Race	80,47	×1
✓ 32	19/9/2015	9th Run Rabbit Run 50 Mile Endurance Run	80,47	×1
✓ 33	1/8/2015	11th HURL Elkhorn 50 Mile Endurance Run	80,47	×1
✓ 34	18/7/2015	14th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 35	12/7/2015	8th Leadville Silver Rush 50 Mile Run	80,47	×1
✓ 36	27/6/2015	5th Black Hills 50 Mile Run	80,47	×1
✓ 37	11/10/2014	33rd Le Grizz 50 Mile Ultramarathon	80,47	×1
✓ 38	19/7/2014	13th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 39	28/6/2014	4th Black Hills 50 Mile Run	80,47	×1
✓ 40	17/5/2014	21st Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 41	15/2/2014	33rd Cross Timbers Trail Run	80,47	×1
✓ 42	3/8/2013	9th HURL Elkhorn 50 Mile Endurance Run	80,47	×1
✓ 43	14/7/2013	6th Leadville Silver Rush 50 Mile Run	80,47	×1
✓ 44	29/6/2013	3rd Black Hills 50 Mile Run	80,47	×1
✓ 45	1/6/2013	17th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 46	18/5/2013	20th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 47	23/3/2013	8th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 48	2/3/2013	4th Nueces 50 Mile Trail Run	80,47	×1
✓ 49	16/2/2013	32nd Cross Timbers Trail Run	80,47	×1
✓ 50	4/8/2012	8th HURL Elkhorn 50 Mile Endurance Run	80,47	×1
✓ 51	21/7/2012	11th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 52	23/6/2012	2nd Black Hills 50 Mile Run	80,47	×1
✓ 53	2/6/2012	16th Snow Peaks 50 Mile Trail Run	80,47	×1
✓ 54	19/5/2012	19th Bishop High Sierra Ultramarathons 50 Miles	80,47	×1
✓ 55	11/5/2012	1st The Zion 50 Mile Run	80,47	×1
✓ 56	21/4/2012	23rd Zane Grey 50 Mile Endurance Run	80,47	×1
✓ 57	24/3/2012	6th Old Goat's 50 Mile Trail Race	80,47	×1
✓ 58	3/12/2011	5th Endurance Challenge - California Trail 50 Mile	80,47	×1
✓ 59	17/9/2011	5th Run Rabbit Run 50 Mile UltraMarathon	80,47	×1
✓ 60	16/7/2011	10th Tahoe Rim Trail 50M Endurance Run	80,47	×1
✓ 61	18/6/2011	17th San Juan Solstice 50 Mile Run	80,47	×1
✓ 62	26/3/2011	6th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 63	8/1/2011	4th Running from an Angel 50 Miler	80,47	×1
✓ 64	9/10/2010	29th Le Grizz 50 Mile Ultramarathon	80,47	×1
✓ 65	7/8/2010	6th HURL Elkhorn 50 Mile Endurance Run	80,47	×1
✓ 66	19/6/2010	16th San Juan Solstice 50 Mile Run	80,47	×1
✓ 67	22/5/2010	5th Jemez Mountain 50mi Trail Run	80,47	×1
✓ 68	25/4/2010	7th Capitol Peak 50 Miler	80,47	×1
✓ 69	20/2/2010	29th Cross Timbers Trail Run	80,47	×1
✓ 70	6/2/2010	18th Rocky Raccoon 50 Mile Trail Run	80,47	×1
✓ 71	21/11/2009	6th PCT 50 Mile Trail Run	80,47	×1
✓ 72	10/10/2009	28th Le Grizz 50 Mile Ultramarathon	80,47	×1
✓ 73	19/9/2009	5th Moab's Alpine to Slickrock 50mi	80,47	×1
✓ 74	28/3/2009	4th Antelope Island Buffalo Run 50 Mile	80,47	×1
✓ 75	20/6/2008	17th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
✓ 76	17/5/2008	3rd Jemez Mountain 50mi Trail Run	80,47	×1
✓ 77	10/5/2008	27th Ice Age Trail 50 Mile Run	80,47	×1
✓ 78	5/4/2008	10th Rockin-K Trail 50 Mile	80,47	×1
✓ 79	8/3/2008	5th Land Between The Lakes 50 Mile Trail Run	80,47	×1
✓ 80	23/2/2008	27th Cross Timbers Trail Run	80,47	×1
81	2/2/2008	16th Rocky Raccoon 50 Mile Trail Run	80,47	×1
82	13/10/2007	26th Le Grizz 50 Mile Ultramarathon	80,47	×1
83	22/9/2007	3rd Moab's Alpine to Slickrock 50mi	80,47	×1
84	15/9/2007	1st Run Rabbit Run 50 Mile UltraMarathon	80,47	×1
85	21/7/2007	6th Tahoe Rim Trail 50M Endurance Runs	80,47	×1
86	16/6/2007	13th San Juan Solstice 50 Mile Run	80,47	×1
87	19/5/2007	2nd Jemez Mountain 50mi Trail Run	80,47	×1
88	28/4/2007	18th Zane Grey Highline Trail 50 Mile	80,47	×1
89	21/4/2007	4th Desert Rats Trail Running Festival 50 Miles	80,47	×1
90	29/7/2006	2nd HURL Elkhorn 50 Mile Endurance Run	80,47	×1
91	18/9/2004	1st Moab's Alpine to Slickrock 50mi	80,47	×1
92	31/7/2004	6th Mt. Hood 50 Mile Trail Run	80,47	×1
93	18/6/2004	13th Bighorn Mountain Wild & Scenic 50mi Trail Run	80,47	×1
94	7/2/2004	12th Rocky Raccoon 50 Mile Trail Run	80,47	×1
95	26/4/2008	5th Capitol Peak 55K	55,00	—
96	22/3/2025	12th Behind the Rocks 50km Race	50,00	—
97	9/7/2016	2nd Capitol Reef 50K	50,00	—
98	26/4/2014	25th Zane Grey Highline Trail 50 km	50,00	—
99	13/2/2010	3rd Twin Peaks 50K	50,00	—
100	14/7/2007	9th Siskiyou Out Back 50 km Trail Run	50,00	—
101	13/1/2007	7th Bandera 50 km Ultratrail	50,00	—
102	7/10/2006	3rd Telegraph Trail 50K	50,00	—
103	24/6/2006	4th Old Gabe 50K	50,00	—
104	9/10/2004	1st Telegraph Trail 50K	50,00	—