John Volanthen

Born : 1971 Cat. M55 Ultrarunner since 2011

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 Kingdom

Greece

Switzerland

Türkiye

United States

20,9%

Rank quotient ?This runner's calculation uses 55 eligible race(s): Σ(rank − 1) = 2 315; Σ finishers = 11 066. 2 315 / 11 066 × 100 = 20.92%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed60

Km — ultra races5 486 km

> 100 km15

> 160 km13

> 200 km3

Longest race380,0 km

7th Dragon's Back Race — 5/9/2022

Km per year (ultra races)

796

2022

2023

2024

2025

2026

Race types (share of distance)

Road4,5%

Trail88,6%

Stage6,9%

Records

50 km4h51'53 100 km10h26'15 50 mi8h18'10 100 mi19h42'13

HISTORY

55 race(s)

Date		Race	Perf.	Rk
2024
16.03	31mi	2nd Hundred Hills 50km	5:52:08 h	117
2023
04.03	45mi	Winter Green Man Ultra 45	8:00:10 h	22
2022
26.11	36.6mi	Endurancelife CTS - Dorset Ultra	7:54:07 h	43
15.10	63.6km	9th Cappadocia Medium Trail	9:00:32 h	212
05.09	380km/6stages	7th Dragon's Back Race	2d 21:34:08 h	28
29.07	100mi	Lakeland 100 Mile	28:29:20 h	57
11.06	32.4mi	Endurancelife CTS - Exmoor Ultra	6:03:03 h	14
09.04	50mi	10th South Downs Way 50 Mile Race	8:20:50 h	42
2021
12.06	100mi	9th South Downs Way 100 Mile Race	20:22:52 h	37
22.05	50mi	10th North Downs Way 50 Mile Race	9:39:31 h	70
17.04	34.1mi	Endurancelife CTS - Sussex Ultra	5:34:32 h	33
2020
25.10	50mi	8th South Downs Way 50 Mile Race	9:01:54 h	68
05.09	100mi	9th Thames Path 100	19:42:13 h	31
07.03	45mi	Winter Green Man Ultra 45	8:20:40 h	17
2019
06.04	50mi	7th South Downs Way 50 Mile Race	8:18:10 h	39
02.03	45mi	Winter Green Man Ultra 45 Miles	8:13:42 h	29
01.02	150km	6th The Arc of Attrition 100 Mile	30:25:01 h	24
2018
08.09	100km	Thames Path Challenge	10:26:15 h	11
12.08	50km	Salisbury 54321 Trail Races	4:51:53 h	43
13.01	108mi	7th Spine Challenger	33:22:56 h	8
2017
02.12	45.5mi	Coastal Trail Series - Dorset Ultra Plus	9:16:20 h	33
11.11	34mi	Coastal Trail Series - Gower Ultra	6:31:03 h	12
21.10	114km	4th Cappadocia 114 km Ultra-Trail	17:43:13 h	47
10.06	100mi	6th South Downs Way 100 Mile Race	19:56:28 h	23
29.04	100mi	6th Thames Path 100	21:36:44 h	48
18.03	33.7mi	Coastal Trail Series - Sussex Ultra	5:37:18 h	9
04.03	45mi	Green Man Ultra 45 Miles	8:13:06 h	19
04.02	34.9mi	Coastal Trail Series - South Devon Ultra	6:33:01 h	29
2016
17.12	58km	6th Tour de Helvellyn	7:42:12 h	52
03.12	43mi	7th Ultra Brecon 40 - Winter	8:46:40 h	7
30.09	246km	34. Spartathlon	34:34:00 h	136
16.07	51km	4. Eiger Ultra Trail 51 km	8:30:17 h	158
20.05	180km	8. Olympian Race - Nemea-Olympia	23:44:37 h	8
30.04	33mi	Coastal Trail Series - Pembrokeshire Ultra	5:38:55 h	7
09.04	50mi	4th South Downs Way 50 Mile Race	8:36:12 h	52
05.03	45mi	Green Man Ultra 45 Miles	8:51:34 h	42
2015
10.10	50mi	Gower Ultra 50 miles	9:12:16 h	9
23.05	145mi	21st 145mi Grand Union Canal Race	39:59:00 h	44
02.05	33mi	Coastal Trail Series - Pembrokeshire Ultra	6:34:10 h	20
04.04	50mi	3rd South Downs Way 50 Mile Race	8:56:01 h	59
21.03	33.7mi	Coastal Trail Series - Sussex Ultra	5:55:00 h	28
07.03	45mi	Green Man Ultra 45 Miles	8:21:51 h	21
31.01	100mi	23rd Rocky Raccoon 100 Mile Trail Run	22:56:33 h	86
2014
06.12	33.6mi	Coastal Trail Series - Dorset Ultra	9:13:03 h	35
15.11	34mi	Coastal Trail Series - Gower Ultra	6:35:43 h	19
19.07	100km	2nd Race to the Stones 100 km Ultramarathon	12:23:25 h	63
16.05	180km	7 Olympian Race - Nemea-Olympia	26:00:00 h	28
12.04	34.1mi	Coastal Trail Series - Exmoor Ultra	6:04:31 h	14
05.04	50mi	2nd South Downs Way 50 Mile Race	8:53:15 h	96
01.03	45mi	Green Man Ultra 45 Miles	8:53:00 h	19
08.02	34.9mi	Coastal Trail Series - South Devon Ultra	6:22:58 h	15
2013
15.06	100mi	2nd South Downs Way 100 Mile Race	22:40:43 h	65
13.04	50mi	1st South Downs Way 50 Mile Race	9:40:00 h	54
2012
17.11	45mi	Beacons Ultra	8:36:53 h	28
2011
19.11	45mi	Beacons Ultra	8:56:00 h	40

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	5/9/2022	7th Dragon's Back Race	380,00	×6
✓ 2	30/9/2016	34. Spartathlon	246,00	×4
✓ 3	23/5/2015	21st 145mi Grand Union Canal Race	233,35	×3
✓ 4	20/5/2016	8. Olympian Race - Nemea-Olympia	180,00	×3
✓ 5	16/5/2014	7 Olympian Race - Nemea-Olympia	180,00	×3
✓ 6	13/1/2018	7th Spine Challenger	173,81	×2
✓ 7	29/7/2022	Lakeland 100 Mile	160,93	×2
✓ 8	12/6/2021	9th South Downs Way 100 Mile Race	160,93	×2
✓ 9	5/9/2020	9th Thames Path 100	160,93	×2
✓ 10	10/6/2017	6th South Downs Way 100 Mile Race	160,93	×2
✓ 11	29/4/2017	6th Thames Path 100	160,93	×2
✓ 12	31/1/2015	23rd Rocky Raccoon 100 Mile Trail Run	160,93	×2
✓ 13	15/6/2013	2nd South Downs Way 100 Mile Race	160,93	×2
✓ 14	1/2/2019	6th The Arc of Attrition 100 Mile	150,00	×2
✓ 15	21/10/2017	4th Cappadocia 114 km Ultra-Trail	114,00	×1
✓ 16	8/9/2018	Thames Path Challenge	100,00	×1
✓ 17	19/7/2014	2nd Race to the Stones 100 km Ultramarathon	100,00	×1
✓ 18	9/4/2022	10th South Downs Way 50 Mile Race	80,47	×1
✓ 19	22/5/2021	10th North Downs Way 50 Mile Race	80,47	×1
✓ 20	25/10/2020	8th South Downs Way 50 Mile Race	80,47	×1
✓ 21	6/4/2019	7th South Downs Way 50 Mile Race	80,47	×1
✓ 22	9/4/2016	4th South Downs Way 50 Mile Race	80,47	×1
✓ 23	10/10/2015	Gower Ultra 50 miles	80,47	×1
✓ 24	4/4/2015	3rd South Downs Way 50 Mile Race	80,47	×1
✓ 25	5/4/2014	2nd South Downs Way 50 Mile Race	80,47	×1
✓ 26	13/4/2013	1st South Downs Way 50 Mile Race	80,47	×1
✓ 27	2/12/2017	Coastal Trail Series - Dorset Ultra Plus	73,23	×1
✓ 28	4/3/2023	Winter Green Man Ultra 45	72,42	×1
✓ 29	7/3/2020	Winter Green Man Ultra 45	72,42	×1
✓ 30	2/3/2019	Winter Green Man Ultra 45 Miles	72,42	×1
✓ 31	4/3/2017	Green Man Ultra 45 Miles	72,42	×1
✓ 32	5/3/2016	Green Man Ultra 45 Miles	72,42	×1
✓ 33	7/3/2015	Green Man Ultra 45 Miles	72,42	×1
✓ 34	1/3/2014	Green Man Ultra 45 Miles	72,42	×1
✓ 35	17/11/2012	Beacons Ultra	72,42	×1
✓ 36	19/11/2011	Beacons Ultra	72,42	×1
✓ 37	3/12/2016	7th Ultra Brecon 40 - Winter	69,20	×1
✓ 38	15/10/2022	9th Cappadocia Medium Trail	63,60	×1
✓ 39	26/11/2022	Endurancelife CTS - Dorset Ultra	58,90	—
✓ 40	17/12/2016	6th Tour de Helvellyn	58,00	—
✓ 41	4/2/2017	Coastal Trail Series - South Devon Ultra	56,17	—
✓ 42	8/2/2014	Coastal Trail Series - South Devon Ultra	56,17	—
✓ 43	17/4/2021	Endurancelife CTS - Sussex Ultra	54,88	—
✓ 44	12/4/2014	Coastal Trail Series - Exmoor Ultra	54,88	—
✓ 45	11/11/2017	Coastal Trail Series - Gower Ultra	54,72	—
✓ 46	15/11/2014	Coastal Trail Series - Gower Ultra	54,72	—
✓ 47	18/3/2017	Coastal Trail Series - Sussex Ultra	54,23	—
✓ 48	21/3/2015	Coastal Trail Series - Sussex Ultra	54,23	—
✓ 49	6/12/2014	Coastal Trail Series - Dorset Ultra	54,07	—
✓ 50	30/4/2016	Coastal Trail Series - Pembrokeshire Ultra	53,11	—
✓ 51	2/5/2015	Coastal Trail Series - Pembrokeshire Ultra	53,11	—
✓ 52	11/6/2022	Endurancelife CTS - Exmoor Ultra	52,14	—
53	16/7/2016	4. Eiger Ultra Trail 51 km	51,00	—
54	12/8/2018	Salisbury 54321 Trail Races	50,00	—
55	16/3/2024	2nd Hundred Hills 50km	49,89	—