Jay Layshock

Born : 1964 Cat. M60 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 ?

United States

32,3%

Rank quotient ?This runner's calculation uses 66 eligible race(s): Σ(rank − 1) = 2 330; Σ finishers = 7 216. 2 330 / 7 216 × 100 = 32.29%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed66

Km — ultra races4 375 km

> 100 km5

> 160 km5

Longest race160,9 km

20th Burning River 100 Mile Endurance Run — 25/7/2026

Km per year (ultra races)

234

2022

414

2023

541

2024

441

2025

361

2026

Race types (share of distance)

Trail100,0%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 34

🏅 Top 3 M4

Longest winning streak1

Current streak0

Records

50 km4h02'42 100 km14h39'31 50 mi9h31'54 100 mi25h11'43

HISTORY

66 race(s)

Date		Race	Perf.	Rk
2026
25.07	100mi	20th Burning River 100 Mile Endurance Run	25:48:16 h	65
20.06	50km	1st Tuscazoar Raw	7:17:46 h	13
09.05	50km	16th Glacier Ridge Trail 50 km Ultramarathon	7:16:10 h	23
18.04	50km	14th Hyner View Trail Challenge 50 km	8:27:40 h	327
07.03	50km	10th Super Bull Trail Championchips 50km	6:55:37 h	28
2025
06.09	50km	21st Youngstown Ultra Trail Classic 50K	6:36:51 h	26
26.07	50mi	19th Burning River 50 Mile Endurance Run	11:44:36 h	60
10.05	50km	15th Glacier Ridge Trail 50 km Ultramarathon	7:32:38 h	22
19.04	50km	13th Hyner View Trail Challenge 50 km	8:44:46 h	256
05.04	100mi	30th Umstead Endurance Run 100 Miles	26:08:02 h	60
15.03	50km	11th Buzzard Day 50 km Trail Race	5:59:44 h	6
2024
12.10	100km	16th Oil Creek 100 km Trail Run	16:47:58 h	16
07.09	50km	20th Youngstown Ultra Trail Classic 50K	6:07:37 h	18
27.07	100mi	18th Burning River 100 Mile Endurance Run	25:11:43 h	56
06.07	50km	30th Buckeye Trail 50k	6:34:37 h	54
11.05	50mi	14th Glacier Ridge Trail 50 Mile Ultramarathon	12:08:09 h	21
20.04	50km	12th Hyner View Trail Challenge 50 km	7:09:56 h	217
09.03	50km	8th Super Bull Trail Championchips 50km	6:56:52 h	28
2023
07.10	50km	15th Oil Creek 50 km Trail Run	6:55:52 h	40
09.09	50km	19th Youngstown Ultra Trail Classic 50K	6:52:16 h	16
29.07	52mi	17th Burning River 50 Mile Back Endurance Run	11:59:20 h	19
04.06	50mi	34th Mohican Trail 50 Mile	11:40:00 h	46
13.05	50km	13th Glacier Ridge Trail 50 km Ultramarathon	7:50:18 h	23
22.04	50km	11th Hyner View Trail Challenge 50 km	7:29:46 h	198
11.03	50km	7th Super Bull Trail Championchips 50km	6:09:56 h	28
2022
15.10	100km	14th Oil Creek 100 km Trail Run	15:38:18 h	14
10.09	50km	18th Youngstown Ultra Trail Classic 50K	6:23:52 h	11
30.07	52mi	16th Burning River 50 Mile Back Endurance Run	10:43:43 h	1 🏆
2021
11.09	50km	17th Youngstown Ultra Trail Classic 50K	6:18:05 h	12
24.07	52mi	15th Burning River 50 Mile Back Endurance Run	10:13:31 h	5
15.05	50km	11th Glacier Ridge Trail 50 km Ultramarathon	6:17:11 h	12
24.04	50km	9th Hyner View Trail Challenge 50 km	7:17:29 h	115
2020
12.09	50km	16th Youngstown Ultra Trail Classic 50K	5:52:23 h	6
2019
12.10	100km	11th Oil Creek 100 km Trail Run	14:48:01 h	15
27.07	52mi	13th Burning River 50 Mile Back Endurance Run	11:20:19 h	6
30.06	50km	25th Buckeye Trail 50k	6:03:00 h	20
20.04	50km	8th Hyner View Trail Challenge 50 km	7:03:29 h	122
06.04	50km	11th Forget the PR - Mohican 50k	5:57:42 h	18
2018
06.10	100mi	10th Oil Creek 100 Miles Trail Run	31:23:00 h	63
28.07	52mi	12th Burning River 50 Mile Back Endurance Run	10:16:40 h	7
07.07	50km	24th Buckeye Trail 50k	5:53:54 h	27
12.05	50km	8th Glacier Ridge Trail 50 km Ultramarathon	5:57:34 h	11
2017
09.12	50km	8th Bigfoot 50K Trail Race	5:56:21 h	29
14.10	100km	9th Oil Creek 100 km Trail Run	14:39:31 h	11
17.06	100mi	28th Mohican Trail 100 Mile	26:16:29 h	14
13.05	50mi	7th Glacier Ridge Trail 50 Mile Ultramarathon	9:50:46 h	9
2016
10.12	50km	7th Bigfoot 50K Trail Race	5:33:01 h	12
08.10	50km	8th Oil Creek 50 km Trail Run	5:41:12 h	8
06.08	50mi	10th Burning River 50 Mile Endurance Run	9:31:54 h	10
09.07	50km	22th Buckeye Trail 50k	5:36:04 h	16
02.04	50km	9th Fools 50K Trail Run	4:58:04 h	12
2015
05.12	50km	6th Bigfoot 50K Trail Race	5:37:53 h	11
2014
30.03	50km	7th Fools 50K Trail Run	5:16:51 h	5
2013
07.12	50km	4th Bigfoot 50K Trail Race	5:44:26 h	14
07.04	50km	6th Fools 50K Trail Run	4:39:43 h	4
03.02	50km	6th Green Jewel 50K	4:02:42 h	6
2011
16.07	50km	17th Buckeye Trail 50k	5:26:26 h	32
27.03	50km	4th Fools 50K Trail Run	4:37:41 h	7
2010
18.09	50km	6th Youngstown Ultra Trail Classic 50K	4:51:44 h	3 🥉
28.03	50km	3rd Fools 50K Trail Run	4:43:32 h	6
2009
19.09	50km	5th Youngstown Ultra Trail Classic 50K	4:43:12 h	4
19.07	50km	15th Buckeye Trail 50k	4:52:19 h	18
05.04	50km	2nd Fools 50K Trail Run	4:55:17 h	6
2008
12.07	50km	14th Buckeye Trail 50k	5:32:58 h	23
2007
15.09	50km	3rd Youngstown Ultra Trail Classic 50K	4:55:33 h	2 🥈
2006
16.09	50km	2nd Youngstown Ultra Trail Classic 50K	5:08:26 h	3 🥉

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	25/7/2026	20th Burning River 100 Mile Endurance Run	160,93	×3
✓ 2	5/4/2025	30th Umstead Endurance Run 100 Miles	160,93	×3
✓ 3	27/7/2024	18th Burning River 100 Mile Endurance Run	160,93	×3
✓ 4	6/10/2018	10th Oil Creek 100 Miles Trail Run	160,93	×3
✓ 5	17/6/2017	28th Mohican Trail 100 Mile	160,93	×3
✓ 6	12/10/2024	16th Oil Creek 100 km Trail Run	100,00	×2
✓ 7	15/10/2022	14th Oil Creek 100 km Trail Run	100,00	×2
✓ 8	12/10/2019	11th Oil Creek 100 km Trail Run	100,00	×2
✓ 9	14/10/2017	9th Oil Creek 100 km Trail Run	100,00	×2
✓ 10	29/7/2023	17th Burning River 50 Mile Back Endurance Run	83,69	×1
✓ 11	30/7/2022	16th Burning River 50 Mile Back Endurance Run	83,69	×1
✓ 12	24/7/2021	15th Burning River 50 Mile Back Endurance Run	83,69	×1
✓ 13	27/7/2019	13th Burning River 50 Mile Back Endurance Run	83,69	×1
✓ 14	28/7/2018	12th Burning River 50 Mile Back Endurance Run	83,69	×1
✓ 15	26/7/2025	19th Burning River 50 Mile Endurance Run	80,47	×1
✓ 16	11/5/2024	14th Glacier Ridge Trail 50 Mile Ultramarathon	80,47	×1
✓ 17	4/6/2023	34th Mohican Trail 50 Mile	80,47	×1
✓ 18	13/5/2017	7th Glacier Ridge Trail 50 Mile Ultramarathon	80,47	×1
✓ 19	6/8/2016	10th Burning River 50 Mile Endurance Run	80,47	×1
✓ 20	20/6/2026	1st Tuscazoar Raw	50,00	×1
✓ 21	9/5/2026	16th Glacier Ridge Trail 50 km Ultramarathon	50,00	×1
✓ 22	18/4/2026	14th Hyner View Trail Challenge 50 km	50,00	×1
✓ 23	7/3/2026	10th Super Bull Trail Championchips 50km	50,00	×1
✓ 24	6/9/2025	21st Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 25	10/5/2025	15th Glacier Ridge Trail 50 km Ultramarathon	50,00	×1
✓ 26	19/4/2025	13th Hyner View Trail Challenge 50 km	50,00	×1
✓ 27	15/3/2025	11th Buzzard Day 50 km Trail Race	50,00	×1
✓ 28	7/9/2024	20th Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 29	6/7/2024	30th Buckeye Trail 50k	50,00	×1
✓ 30	20/4/2024	12th Hyner View Trail Challenge 50 km	50,00	×1
✓ 31	9/3/2024	8th Super Bull Trail Championchips 50km	50,00	×1
✓ 32	7/10/2023	15th Oil Creek 50 km Trail Run	50,00	×1
✓ 33	9/9/2023	19th Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 34	13/5/2023	13th Glacier Ridge Trail 50 km Ultramarathon	50,00	×1
✓ 35	22/4/2023	11th Hyner View Trail Challenge 50 km	50,00	×1
✓ 36	11/3/2023	7th Super Bull Trail Championchips 50km	50,00	×1
✓ 37	10/9/2022	18th Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 38	11/9/2021	17th Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 39	15/5/2021	11th Glacier Ridge Trail 50 km Ultramarathon	50,00	×1
✓ 40	24/4/2021	9th Hyner View Trail Challenge 50 km	50,00	×1
✓ 41	12/9/2020	16th Youngstown Ultra Trail Classic 50K	50,00	×1
✓ 42	30/6/2019	25th Buckeye Trail 50k	50,00	×1
✓ 43	20/4/2019	8th Hyner View Trail Challenge 50 km	50,00	×1
✓ 44	6/4/2019	11th Forget the PR - Mohican 50k	50,00	×1
✓ 45	7/7/2018	24th Buckeye Trail 50k	50,00	×1
✓ 46	12/5/2018	8th Glacier Ridge Trail 50 km Ultramarathon	50,00	×1
✓ 47	9/12/2017	8th Bigfoot 50K Trail Race	50,00	×1
✓ 48	10/12/2016	7th Bigfoot 50K Trail Race	50,00	×1
✓ 49	8/10/2016	8th Oil Creek 50 km Trail Run	50,00	×1
✓ 50	9/7/2016	22th Buckeye Trail 50k	50,00	×1
51	2/4/2016	9th Fools 50K Trail Run	50,00	×1
52	5/12/2015	6th Bigfoot 50K Trail Race	50,00	×1
53	30/3/2014	7th Fools 50K Trail Run	50,00	×1
54	7/12/2013	4th Bigfoot 50K Trail Race	50,00	×1
55	7/4/2013	6th Fools 50K Trail Run	50,00	×1
56	3/2/2013	6th Green Jewel 50K	50,00	×1
57	16/7/2011	17th Buckeye Trail 50k	50,00	×1
58	27/3/2011	4th Fools 50K Trail Run	50,00	×1
59	18/9/2010	6th Youngstown Ultra Trail Classic 50K	50,00	×1
60	28/3/2010	3rd Fools 50K Trail Run	50,00	×1
61	19/9/2009	5th Youngstown Ultra Trail Classic 50K	50,00	×1
62	19/7/2009	15th Buckeye Trail 50k	50,00	×1
63	5/4/2009	2nd Fools 50K Trail Run	50,00	×1
64	12/7/2008	14th Buckeye Trail 50k	50,00	×1
65	15/9/2007	3rd Youngstown Ultra Trail Classic 50K	50,00	×1
66	16/9/2006	2nd Youngstown Ultra Trail Classic 50K	50,00	×1