Andrew Bristow

Born : 1974 Cat. M50 Ultrarunner since 2012

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

36,0%

Rank quotient ?This runner's calculation uses 28 eligible race(s): Σ(rank − 1) = 2 143; Σ finishers = 5 958. 2 143 / 5 958 × 100 = 35.97%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed28

Km — ultra races3 651 km

> 100 km15

> 160 km10

> 200 km2

> 24h2

Longest race431,3 km

8th Spine Race — 13/1/2019

Km per year (ultra races)

377

2022

386

2023

169

2024

169

2025

2026

Race types (share of distance)

Trail93,2%

Elim.6,8%

Records

50 mi11h20'55 100 mi30h26'04 Backyard26 loops

HISTORY

28 race(s)

Date		Race	Perf.	Rk
2025
25.07	105mi	Lakeland 100 Mile	34:14:54 h	193
2024
26.07	105mi	Lakeland 100 Mile	37:09:15 h	270
2023
25.11	80mi	Hardwolds 80	21:34:24 h	41
28.07	105mi	Lakeland 100 Mile	34:08:15 h	175
25.03	55mi	14th Hardmoors 55	10:54:39 h	23
2022
26.11	80mi	Hardwolds 80	20:32:33 h	38
04.11	Backyard Ultra	3rd God’s Own Backyard Ultra	174.356 km (26h)	9
16.04	Backyard Ultra	2nd The Cow Shed Backyard Ultra	73.766 km (11h)	60
2021
20.11	80mi	Hardwolds 80	19:26:11 h	47
2020
01.01	30mi	10th Hardmoors 30	5:24:58 h	35
2019
13.01	268mi	8th Spine Race	6d 04:05:39 h	39
2018
24.11	124.3km	Hardwolds 80	17:33:26 h	39
27.07	100mi	Lakeland 100 Mile	30:26:04 h	64
2017
24.06	57km	V3K Ultra Skyrunning	14:22:34 h	124
06.05	110mi	10th Hardmoors 110	27:05:24 h	13
18.03	55mi	8th Hardmoors 55	11:17:50 h	77
01.01	30mi	7th Hardmoors 30	6:35:40 h	140
2016
17.09	60mi	Hardmoors 60	13:02:23 h	38
29.04	160mi	3rd Hardmoors 160 (The Ring Of Steele)	47:41:40 h	9
19.03	55mi	Hardmoors 55	11:05:59 h	65
2015
19.09	60mi	Hardmoors 60	14:06:00 h	45
24.07	50mi	Lakeland 50 Mile	14:03:41 h	291
23.05	110mi	8th Hardmoors 110	28:22:35 h	21
21.03	55mi	Hardmoors 55	10:43:33 h	74
01.01	30mi	5th Hardmoors 30	5:29:28 h	64
2014
25.07	100mi	Lakeland 100 Mile	35:09:08 h	90
2013
26.07	50mi	Lakeland 50 Mile	11:20:55 h	60
2012
23.06	111km	1st The Wall Ultra Run 111 km nonstopp	12:55:00 h	27

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	13/1/2019	8th Spine Race	431,30	×8
✓ 2	29/4/2016	3rd Hardmoors 160 (The Ring Of Steele)	257,50	×4
✓ 3	6/5/2017	10th Hardmoors 110	177,03	×3
✓ 4	23/5/2015	8th Hardmoors 110	177,03	×3
✓ 5	4/11/2022	3rd God’s Own Backyard Ultra	174,36	×3
✓ 6	25/7/2025	Lakeland 100 Mile	168,98	×3
✓ 7	26/7/2024	Lakeland 100 Mile	168,98	×3
✓ 8	28/7/2023	Lakeland 100 Mile	168,98	×3
✓ 9	27/7/2018	Lakeland 100 Mile	160,93	×3
✓ 10	25/7/2014	Lakeland 100 Mile	160,93	×3
✓ 11	25/11/2023	Hardwolds 80	128,75	×2
✓ 12	26/11/2022	Hardwolds 80	128,75	×2
✓ 13	20/11/2021	Hardwolds 80	128,75	×2
✓ 14	24/11/2018	Hardwolds 80	124,30	×2
✓ 15	23/6/2012	1st The Wall Ultra Run 111 km nonstopp	111,00	×2
✓ 16	17/9/2016	Hardmoors 60	96,56	×1
✓ 17	19/9/2015	Hardmoors 60	96,56	×1
✓ 18	25/3/2023	14th Hardmoors 55	88,51	×1
✓ 19	18/3/2017	8th Hardmoors 55	88,51	×1
✓ 20	19/3/2016	Hardmoors 55	88,51	×1
✓ 21	21/3/2015	Hardmoors 55	88,51	×1
✓ 22	24/7/2015	Lakeland 50 Mile	80,47	×1
✓ 23	26/7/2013	Lakeland 50 Mile	80,47	×1
✓ 24	16/4/2022	2nd The Cow Shed Backyard Ultra	73,77	×1
✓ 25	24/6/2017	V3K Ultra Skyrunning	57,00	×1
✓ 26	1/1/2020	10th Hardmoors 30	48,28	—
✓ 27	1/1/2017	7th Hardmoors 30	48,28	—
✓ 28	1/1/2015	5th Hardmoors 30	48,28	—