Kirk Apt

Born : 1962 Cat. M60 Ultrarunner since 1991

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

32,8%

Rank quotient ?This runner's calculation uses 108 eligible race(s): Σ(rank − 1) = 3 728; Σ finishers = 11 365. 3 728 / 11 365 × 100 = 32.80%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed108

Km — ultra races14 300 km

> 100 km64

> 160 km64

> 200 km3

Longest race402,3 km

1st Cocodona 250 Mile Race — 3/5/2021

Km per year (ultra races)

161

2022

161

2023

2024

161

2025

2026

Race types (share of distance)

Road1,7%

Trail98,3%

Wins & podiums (ultra)

🏆 Win4

🏆 Win M4

🏅 Top 314

🏅 Top 3 M17

Longest winning streak1

Current streak0

Records

50 km5h47'03 100 km13h49'24 50 mi6h41'55 100 mi18h36'41

HISTORY

108 race(s)

Date		Race	Perf.	Rk
2025
28.02	100mi	7th Grandmaster Ultras 100 Mile Run	37:30:00 h	15
2023
10.02	100mi	5th Grandmaster Ultras 100 Mile Run	32:41:00 h	5
2022
15.07	100mi	29th Hardrock Hundred Endurance Run	46:42:59 h	105
2021
16.07	100mi	28th Hardrock Hundred Endurance Run	46:53:28 h	104
03.05	250mi	1st Cocodona 250 Mile Race	4d 17:37:46 h	68
2019
21.09	100mi	2nd Sangre de Cristo Ultra 100 Mile Race	33:16:00 h	16
26.07	102mi	6th Ouray 100 Mile Endurance Run	2d 01:00:07 h	22
02.03	50km	6th Monument Valley 50 km Race	8:50:47 h	76
2018
12.10	238mi	2nd Moab 240 Endurance Run	4d 09:31:46 h	81
20.07	100mi	25th Hardrock Hundred Endurance Run	43:16:56 h	76
2017
08.09	202mi	4th Tahoe 200 Mile Endurance Run	3d 21:41:06 h	79
14.07	100mi	24th Hardrock Hundred Endurance Run	43:23:07 h	91
18.02	55km	11th Moab Red Hot 55k	6:40:44 h	92
2016
07.10	120mi	2nd Bigfoot 120mi Endurance Run	45:53:17 h	19
15.07	100mi	23rd Hardrock Hundred Endurance Run	42:47:00 h	71
07.05	100km	3rd The Canyons Endurance 100 km Run	16:03:57 h	121
16.04	52mi	13th Desert Rats Trail Running Festival 50 Miles	10:46:46 h	6
20.02	50mi	3rd Antelope Canyon 50 Mile Race	11:14:22 h	51
2015
26.09	106mi	4th Mogollon Monster 100 Mile	35:04:00 h	29
10.07	100mi	22nd Hardrock Hundred Endurance Run	43:54:21 h	86
15.05	100mi	2nd Grand Canyon 100 Mile	24:35:19 h	5
10.04	100km	4th The Zion 100 km Run	13:49:24 h	15
14.03	50mi	2nd Monument Valley 50 Mile Race	10:12:20 h	12
14.02	55km	9th Moab Red Hot 55k	6:08:07 h	103
2014
16.08	100mi	32nd Leadville Trail 100 Mile	28:22:31 h	184
11.07	100mi	21st Hardrock Hundred Endurance Run	39:38:00 h	45
2013
17.08	100mi	31st Leadville Trail 100 Mile	28:39:53 h	326
12.07	100mi	20th Hardrock Hundred Endurance Run	42:04:09 h	68
20.04	52.4mi	10th Desert Rats Trail Running Festival 50 Miles	10:32:55 h	21
2012
18.08	100mi	30th Leadville Trail 100 Mile	27:07:58 h	124
13.07	100mi	19th Hardrock Hundred Endurance Run	38:24:00 h	50
21.04	50mi	9th Desert Rats Trail Running Festival 50 Miles	11:04:14 h	24
2011
20.08	100mi	29th Leadville Trail 100 Mile	27:42:40 h	168
08.07	100mi	18th Hardrock Hundred Endurance Run	43:47:00 h	57
28.05	50km	4th Sage Burner Trail Run	6:06:13 h	25
2010
18.09	50mi	4th Run Rabbit Run 50 Mile UltraMarathon	14:09:00 h	126
21.08	100mi	28th Leadville Trail 100 Mile	25:56:31 h	111
09.07	100mi	17th Hardrock Hundred Endurance Run	38:05:00 h	44
22.05	50km	5th Jemez Mountain 50km Trail Run	8:23:57 h	61
13.02	55km	4th Moab Red Hot 55k	6:16:02 h	65
2009
22.08	100mi	27th Leadville Trail 100 Mile	26:21:06 h	79
10.07	100mi	16th Hardrock Hundred Endurance Run	38:29:44 h	47
19.05	50mi	4th Jemez Mountain 50mi Trail Run	11:42:27 h	18
18.04	50mi	6th Desert Rats Trail Running Festival 50 Miles	9:43:45 h	13
2008
11.07	100mi	15th Hardrock Hundred Endurance Run	39:46:40 h	40
17.05	50mi	3rd Jemez Mountain 50mi Trail Run	12:05:41 h	27
19.04	50mi	5th Desert Rats Trail Running Festival 50 Miles	10:10:56 h	10
2007
18.08	100mi	25th Leadville Trail 100 Mile	27:34:36 h	95
14.07	100mi	14th Hardrock Hundred Endurance Run	38:25:28 h	48
19.05	50mi	2nd Jemez Mountain 50mi Trail Run	10:39:02 h	16
21.04	50mi	4th Desert Rats Trail Running Festival 50 Miles	9:50:09 h	21
2006
19.08	100mi	24th Leadville Trail 100 Mile	26:31:35 h	64
15.07	100mi	13th Hardrock Hundred Endurance Run	33:10:13 h	10
13.05	50mi	1st Jemez Mountain 50mi Trail Run	11:13:40 h	6
15.04	50mi	3rd Desert Rats Trail Running Festival 50 Miles	10:31:29 h	10
2005
23.09	100mi	7th The Bear 100 Mile Endurance Run	27:31:20 h	5
20.08	100mi	23rd Leadville Trail 100 Mile	24:04:50 h	41
09.07	100mi	12th Hardrock Hundred Endurance Run	35:52:16 h	19
17.06	100mi	14th Bighorn Mountain Wild & Scenic 100mi Trail Run	26:05:39 h	3 🥉
07.05	50mi	6th Collegiate Peaks 50 Miles	8:15:42 h	12
2004
21.08	100mi	22nd Leadville Trail 100 Mile	23:00:28 h	18
10.07	100mi	11th Hardrock Hundred Endurance Run	32:34:16 h	4
05.06	50mi	8th Snow Peaks 50 Mile Trail Run	9:52:27 h	20
17.04	50mi	1st Desert Rats Trail Running Festival 50 Miles	9:36:36 h	8
2003
08.11	100mi	1st Javelina Jundred 100 Mile	21:22:42 h	7
16.08	100mi	21st Leadville Trail 100 Mile	22:42:00 h	11
11.07	100mi	10th Hardrock Hundred Endurance Run	31:36:37 h	5
07.06	50mi	7th Snow Peaks 50 Mile Trail Run	9:39:52 h	17
2002
27.09	100mi	4th The Bear 100 Mile Endurance Run	26:42:06 h	4
17.08	100mi	20th Leadville Trail 100 Mile	22:55:01 h	21
25.05	50km	1st Black Canyon 50 km	8:25:00 h	10
04.05	50mi	4th Collegiate Peaks 50 Miles	7:46:44 h	5
2001
18.08	100mi	19th Leadville Trail 100 Mile	24:44:32 h	34
13.07	100mi	9th Hardrock Hundred Endurance Run	31:40:00 h	8
19.05	50mi	16th Silver State 50 Miles	8:15:56 h	4
17.03	50mi	15th Crown King Scramble 50M	8:31:04 h	4
2000
19.08	100mi	18th Leadville Trail 100 Mile	21:36:10 h	6
07.07	100mi	8th Hardrock Hundred Endurance Run	29:35:00 h	1 🏆
03.06	50mi	4th Snow Peaks 50 Mile Trail Run	9:36:42 h	7
06.05	50mi	3rd Collegiate Peaks 50 Miles	8:05:08 h	5
18.03	50mi	14th Crown King Scramble 50M	8:15:22 h	3 🥉
1999
21.08	100mi	17th Leadville Trail 100 Mile	21:32:18 h	7
09.07	100mi	7th Hardrock Hundred Endurance Run	33:39:53 h	12
23.01	50mi	Dallas Five-0 50 Mile Race	6:41:55 h	3 🥉
1998
07.11	50mi	16th Mountain Masochist 50 Mile Trail Run	8:49:59 h	22
22.08	100mi	16th Leadville Trail 100 Mile	19:42:53 h	2 🥈
10.07	100mi	6th Hardrock Hundred Endurance Run	31:03:20 h	3 🥉
09.05	50mi	1st Mile High Metric Challenge 50 mile	7:18:05 h	4
21.03	50mi	12th Crown King Scramble 50M	8:28:01 h	3 🥉
1997
16.08	100mi	15th Leadville Trail 100 Mile	21:28:15 h	5
11.07	100mi	5th Hardrock Hundred Endurance Run	32:43:58 h	4
1996
24.08	100mi	14th Leadville Trail 100 Mile	22:24:53 h	9
12.07	100mi	4th Hardrock Hundred Endurance Run	35:35:50 h	9
1995
30.09	100mi	10th Angeles Crest 100 Mile	22:55:34 h	14
21.08	100mi	13th Leadville Trail 100 Mile	20:33:05 h	1 🏆
13.05	50km	6th Zane Grey Highline Trail 50 km	5:47:03 h	7
29.04	50mi	13th BB 50 Mile Ultramarathon	7:08:17 h	1 🏆
1994
08.10	100mi	4th Arkansas Traveller 100	19:21:52 h	5
28.08	50km	Colorado Conundrum	7:45:34 h	4
07.07	100mi	3rd Hardrock Hundred Endurance Run	32:29:40 h	3 🥉
30.04	50mi	12th BB 50 Mile Ultramarathon	7:03:50 h	3 🥉
1993
09.10	100mi	3rd Arkansas Traveller 100	18:36:41 h	2 🥈
09.07	100mi	2nd Hardrock Hundred Endurance Run	34:21:01 h	4
15.05	50mi	11th BB 50 Mile Ultramarathon	7:24:16 h	3 🥉
1992
11.09	100mi	13th Wasatch Front 100 Mile	28:34:39 h	32
25.04	50mi	3rd Zane Grey Highline Trail 50 Mile	11:36:00 h	1 🏆
1991
17.08	100mi	9th Leadville Trail 100 Mile	24:21:53 h	32
27.04	50mi	2nd Zane Grey Highline Trail 50 Mile	11:12:00 h	8

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	3/5/2021	1st Cocodona 250 Mile Race	402,34	×5
✓ 2	12/10/2018	2nd Moab 240 Endurance Run	383,02	×4
✓ 3	8/9/2017	4th Tahoe 200 Mile Endurance Run	325,09	×4
✓ 4	7/10/2016	2nd Bigfoot 120mi Endurance Run	193,12	×2
✓ 5	26/9/2015	4th Mogollon Monster 100 Mile	170,59	×2
✓ 6	26/7/2019	6th Ouray 100 Mile Endurance Run	164,15	×2
✓ 7	28/2/2025	7th Grandmaster Ultras 100 Mile Run	160,93	×2
✓ 8	10/2/2023	5th Grandmaster Ultras 100 Mile Run	160,93	×2
✓ 9	15/7/2022	29th Hardrock Hundred Endurance Run	160,93	×2
✓ 10	16/7/2021	28th Hardrock Hundred Endurance Run	160,93	×2
✓ 11	21/9/2019	2nd Sangre de Cristo Ultra 100 Mile Race	160,93	×2
✓ 12	20/7/2018	25th Hardrock Hundred Endurance Run	160,93	×2
✓ 13	14/7/2017	24th Hardrock Hundred Endurance Run	160,93	×2
✓ 14	15/7/2016	23rd Hardrock Hundred Endurance Run	160,93	×2
✓ 15	10/7/2015	22nd Hardrock Hundred Endurance Run	160,93	×2
✓ 16	15/5/2015	2nd Grand Canyon 100 Mile	160,93	×2
✓ 17	16/8/2014	32nd Leadville Trail 100 Mile	160,93	×2
✓ 18	11/7/2014	21st Hardrock Hundred Endurance Run	160,93	×2
✓ 19	17/8/2013	31st Leadville Trail 100 Mile	160,93	×2
✓ 20	12/7/2013	20th Hardrock Hundred Endurance Run	160,93	×2
✓ 21	18/8/2012	30th Leadville Trail 100 Mile	160,93	×2
✓ 22	13/7/2012	19th Hardrock Hundred Endurance Run	160,93	×2
✓ 23	20/8/2011	29th Leadville Trail 100 Mile	160,93	×2
✓ 24	8/7/2011	18th Hardrock Hundred Endurance Run	160,93	×2
✓ 25	21/8/2010	28th Leadville Trail 100 Mile	160,93	×2
✓ 26	9/7/2010	17th Hardrock Hundred Endurance Run	160,93	×2
✓ 27	22/8/2009	27th Leadville Trail 100 Mile	160,93	×2
✓ 28	10/7/2009	16th Hardrock Hundred Endurance Run	160,93	×2
✓ 29	11/7/2008	15th Hardrock Hundred Endurance Run	160,93	×2
✓ 30	18/8/2007	25th Leadville Trail 100 Mile	160,93	×2
✓ 31	14/7/2007	14th Hardrock Hundred Endurance Run	160,93	×2
✓ 32	19/8/2006	24th Leadville Trail 100 Mile	160,93	×2
✓ 33	15/7/2006	13th Hardrock Hundred Endurance Run	160,93	×2
✓ 34	23/9/2005	7th The Bear 100 Mile Endurance Run	160,93	×2
✓ 35	20/8/2005	23rd Leadville Trail 100 Mile	160,93	×2
✓ 36	9/7/2005	12th Hardrock Hundred Endurance Run	160,93	×2
✓ 37	17/6/2005	14th Bighorn Mountain Wild & Scenic 100mi Trail Run	160,93	×2
✓ 38	21/8/2004	22nd Leadville Trail 100 Mile	160,93	×2
✓ 39	10/7/2004	11th Hardrock Hundred Endurance Run	160,93	×2
✓ 40	8/11/2003	1st Javelina Jundred 100 Mile	160,93	×2
✓ 41	16/8/2003	21st Leadville Trail 100 Mile	160,93	×2
✓ 42	11/7/2003	10th Hardrock Hundred Endurance Run	160,93	×2
✓ 43	27/9/2002	4th The Bear 100 Mile Endurance Run	160,93	×2
✓ 44	17/8/2002	20th Leadville Trail 100 Mile	160,93	×2
✓ 45	18/8/2001	19th Leadville Trail 100 Mile	160,93	×2
✓ 46	13/7/2001	9th Hardrock Hundred Endurance Run	160,93	×2
✓ 47	19/8/2000	18th Leadville Trail 100 Mile	160,93	×2
✓ 48	7/7/2000	8th Hardrock Hundred Endurance Run	160,93	×2
✓ 49	21/8/1999	17th Leadville Trail 100 Mile	160,93	×2
✓ 50	9/7/1999	7th Hardrock Hundred Endurance Run	160,93	×2
✓ 51	22/8/1998	16th Leadville Trail 100 Mile	160,93	×2
✓ 52	10/7/1998	6th Hardrock Hundred Endurance Run	160,93	×2
✓ 53	16/8/1997	15th Leadville Trail 100 Mile	160,93	×2
✓ 54	11/7/1997	5th Hardrock Hundred Endurance Run	160,93	×2
✓ 55	24/8/1996	14th Leadville Trail 100 Mile	160,93	×2
✓ 56	12/7/1996	4th Hardrock Hundred Endurance Run	160,93	×2
✓ 57	30/9/1995	10th Angeles Crest 100 Mile	160,93	×2
✓ 58	21/8/1995	13th Leadville Trail 100 Mile	160,93	×2
✓ 59	8/10/1994	4th Arkansas Traveller 100	160,93	×2
✓ 60	7/7/1994	3rd Hardrock Hundred Endurance Run	160,93	×2
✓ 61	9/10/1993	3rd Arkansas Traveller 100	160,93	×2
✓ 62	9/7/1993	2nd Hardrock Hundred Endurance Run	160,93	×2
✓ 63	11/9/1992	13th Wasatch Front 100 Mile	160,93	×2
✓ 64	17/8/1991	9th Leadville Trail 100 Mile	160,93	×2
✓ 65	7/5/2016	3rd The Canyons Endurance 100 km Run	100,00	×1
✓ 66	10/4/2015	4th The Zion 100 km Run	100,00	×1
✓ 67	20/4/2013	10th Desert Rats Trail Running Festival 50 Miles	84,33	×1
✓ 68	16/4/2016	13th Desert Rats Trail Running Festival 50 Miles	83,69	×1
✓ 69	20/2/2016	3rd Antelope Canyon 50 Mile Race	80,47	×1
✓ 70	14/3/2015	2nd Monument Valley 50 Mile Race	80,47	×1
✓ 71	21/4/2012	9th Desert Rats Trail Running Festival 50 Miles	80,47	×1
✓ 72	18/9/2010	4th Run Rabbit Run 50 Mile UltraMarathon	80,47	×1
✓ 73	19/5/2009	4th Jemez Mountain 50mi Trail Run	80,47	×1
✓ 74	18/4/2009	6th Desert Rats Trail Running Festival 50 Miles	80,47	×1
✓ 75	17/5/2008	3rd Jemez Mountain 50mi Trail Run	80,47	×1
✓ 76	19/4/2008	5th Desert Rats Trail Running Festival 50 Miles	80,47	×1
✓ 77	19/5/2007	2nd Jemez Mountain 50mi Trail Run	80,47	×1
✓ 78	21/4/2007	4th Desert Rats Trail Running Festival 50 Miles	80,47	×1
✓ 79	13/5/2006	1st Jemez Mountain 50mi Trail Run	80,47	×1
✓ 80	15/4/2006	3rd Desert Rats Trail Running Festival 50 Miles	80,47	×1
81	7/5/2005	6th Collegiate Peaks 50 Miles	80,47	×1
82	5/6/2004	8th Snow Peaks 50 Mile Trail Run	80,47	×1
83	17/4/2004	1st Desert Rats Trail Running Festival 50 Miles	80,47	×1
84	7/6/2003	7th Snow Peaks 50 Mile Trail Run	80,47	×1
85	4/5/2002	4th Collegiate Peaks 50 Miles	80,47	×1
86	19/5/2001	16th Silver State 50 Miles	80,47	×1
87	17/3/2001	15th Crown King Scramble 50M	80,47	×1
88	3/6/2000	4th Snow Peaks 50 Mile Trail Run	80,47	×1
89	6/5/2000	3rd Collegiate Peaks 50 Miles	80,47	×1
90	18/3/2000	14th Crown King Scramble 50M	80,47	×1
91	23/1/1999	Dallas Five-0 50 Mile Race	80,47	×1
92	7/11/1998	16th Mountain Masochist 50 Mile Trail Run	80,47	×1
93	9/5/1998	1st Mile High Metric Challenge 50 mile	80,47	×1
94	21/3/1998	12th Crown King Scramble 50M	80,47	×1
95	29/4/1995	13th BB 50 Mile Ultramarathon	80,47	×1
96	30/4/1994	12th BB 50 Mile Ultramarathon	80,47	×1
97	15/5/1993	11th BB 50 Mile Ultramarathon	80,47	×1
98	25/4/1992	3rd Zane Grey Highline Trail 50 Mile	80,47	×1
99	27/4/1991	2nd Zane Grey Highline Trail 50 Mile	80,47	×1
100	18/2/2017	11th Moab Red Hot 55k	55,00	—
101	14/2/2015	9th Moab Red Hot 55k	55,00	—
102	13/2/2010	4th Moab Red Hot 55k	55,00	—
103	2/3/2019	6th Monument Valley 50 km Race	50,00	—
104	28/5/2011	4th Sage Burner Trail Run	50,00	—
105	22/5/2010	5th Jemez Mountain 50km Trail Run	50,00	—
106	25/5/2002	1st Black Canyon 50 km	50,00	—
107	13/5/1995	6th Zane Grey Highline Trail 50 km	50,00	—
108	28/8/1994	Colorado Conundrum	50,00	—