William Johnson

Born : 1981 Cat. M45 Ultrarunner since 2015

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

61,9%

Rank quotient ?This runner's calculation uses 29 eligible race(s): Σ(rank − 1) = 2 093; Σ finishers = 3 381. 2 093 / 3 381 × 100 = 61.90%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed29

Km — ultra races2 149 km

> 100 km3

> 160 km1

Longest race164,2 km

Cotswold Way Century — 17/9/2022

Km per year (ultra races)

350

2022

317

2023

2024

2025

2026

Race types (share of distance)

Trail100,0%

Records

50 km5h08'15 100 km18h28'18 50 mi11h46'42

HISTORY

29 race(s)

Date		Race	Perf.	Rk
2024
03.03	33mi	The Imber Ultra	7:13:25 h	77
2023
26.08	56km	TEC Mendip Hills Ultramarathon 56km	9:18:14 h	50
12.08	42mi	Run to the Castle Ultra	8:38:20 h	12
17.06	58km	TEC Black Mountains 58km	11:23:27 h	60
01.04	82km	2nd Kielder 82km Ultra Trail	11:42:58 h	29
05.03	33mi	The Imber Ultra	6:46:31 h	74
2022
17.09	102mi	Cotswold Way Century	29:13:00 h	20
13.08	40mi	Run to the Castle Ultra	11:02:00 h	10
07.05	60km	Wye Valley Trail Running Challenge 60km	8:00:36 h	33
02.04	61km	Fox Ultra	7:31:02 h	85
2021
04.12	46.3mi	Endurancelife CTS - Dorset Ultra+	9:30:28 h	10
20.11	40mi	Roly's Run 40mi	8:51:50 h	16
18.09	119.1km	The Cumbria Way Ultra 73mi	22:18:14 h	26
21.08	36.5mi	Big Day out - The Crossing	8:35:00 h	74
01.05	62mi	East Devon Round	18:28:18 h	37
2020
07.03	45mi	Winter Green Man Ultra 45	11:35:29 h	153
09.02	70km	Brecon to Cardiff Ultra	9:12:04 h	161
2019
26.10	48mi	12th GB Ultra Thames Trot	10:40:37 h	135
22.06	52.4mi	Race to the King Ultra Marathon	13:13:19 h	297
06.04	50mi	The Testway 50 Ultra	11:46:42 h	56
03.03	33mi	The Imber Ultra	6:42:10 h	87
2018
04.08	50mi	Mendip Marauder 50mi	12:57:02 h	27
07.07	50km	3rd Ham & Lyme 50 km Run	7:23:51 h	102
28.04	50mi	3rd Butcombe Trail Ultra	12:29:59 h	73
11.03	33mi	The Imber Ultra	6:34:37 h	86
11.02	70km	Brecon to Cardiff Ultra	9:35:29 h	171
2017
26.08	86mi	14th Ridgeway Challenge 86 Mile Trail Run	27:37:00 h	31
2015
10.05	33mi	Marlborough Downs Challenge	6:12:05 h	87
21.03	50km	4th New Forest 50 km Ultra	5:08:15 h	43

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	17/9/2022	Cotswold Way Century	164,15	×4
✓ 2	26/8/2017	14th Ridgeway Challenge 86 Mile Trail Run	138,40	×3
✓ 3	18/9/2021	The Cumbria Way Ultra 73mi	119,10	×2
✓ 4	1/5/2021	East Devon Round	99,78	×2
✓ 5	22/6/2019	Race to the King Ultra Marathon	84,33	×2
✓ 6	1/4/2023	2nd Kielder 82km Ultra Trail	82,00	×2
✓ 7	6/4/2019	The Testway 50 Ultra	80,47	×2
✓ 8	4/8/2018	Mendip Marauder 50mi	80,47	×2
✓ 9	28/4/2018	3rd Butcombe Trail Ultra	80,47	×2
✓ 10	26/10/2019	12th GB Ultra Thames Trot	77,25	×1
✓ 11	4/12/2021	Endurancelife CTS - Dorset Ultra+	74,51	×1
✓ 12	7/3/2020	Winter Green Man Ultra 45	72,42	×1
✓ 13	9/2/2020	Brecon to Cardiff Ultra	70,00	×1
✓ 14	11/2/2018	Brecon to Cardiff Ultra	70,00	×1
✓ 15	12/8/2023	Run to the Castle Ultra	67,59	×1
✓ 16	13/8/2022	Run to the Castle Ultra	64,37	×1
✓ 17	20/11/2021	Roly's Run 40mi	64,37	×1
✓ 18	2/4/2022	Fox Ultra	61,00	×1
✓ 19	7/5/2022	Wye Valley Trail Running Challenge 60km	60,00	×1
✓ 20	21/8/2021	Big Day out - The Crossing	58,74	×1
✓ 21	17/6/2023	TEC Black Mountains 58km	58,00	×1
✓ 22	26/8/2023	TEC Mendip Hills Ultramarathon 56km	56,00	×1
✓ 23	3/3/2024	The Imber Ultra	53,11	×1
✓ 24	5/3/2023	The Imber Ultra	53,11	×1
✓ 25	3/3/2019	The Imber Ultra	53,11	×1
✓ 26	11/3/2018	The Imber Ultra	53,11	×1
✓ 27	10/5/2015	Marlborough Downs Challenge	53,11	×1
✓ 28	7/7/2018	3rd Ham & Lyme 50 km Run	50,00	×1
✓ 29	21/3/2015	4th New Forest 50 km Ultra	50,00	×1