Matthew Buck

Born : 1982 Cat. M40 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

Morocco

Sri Lanka

Sweden

40,8%

Rank quotient ?This runner's calculation uses 20 eligible race(s): Σ(rank − 1) = 1 917; Σ finishers = 4 701. 1 917 / 4 701 × 100 = 40.78%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed36

Km — ultra races2 025 km

> 100 km4

> 160 km4

> 200 km3

Longest race292,0 km

4th Dragon's Back Race — 22/5/2017

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Trail54,4%

Stage45,6%

Wins & podiums (ultra)

🏆 Win1

🏆 Win M1

🏅 Top 32

🏅 Top 3 M2

Longest winning streak1

Current streak0

Records

50 km5h00'10 100 km14h21'54 50 mi10h27'50

HISTORY

20 race(s)

Date		Race	Perf.	Rk
2025
07.12	50km	8th Hurtwood 50k Endurance Trail Run	5:37:42 h	58
2024
12.10	50mi	Lakes in a day Ultra	17:46:24 h	153
2021
03.07	50km	Serpent Trail Race 50km	5:00:10 h	54
2017
28.12	50km	2nd Winter Cross Ultra 50km	7:37:20 h	112
26.08	100km	South Coast Challenge	14:21:54 h	21
22.05	292km/5stages	4th Dragon's Back Race	3d 03:32:56 h	126
2016
24.09	65.3km	Lake District 3x3000 Ultra Trail 65km	15:57:43 h	10
25.06	53.5mi	Race to the King Ultra Marathon	11:11:42 h	87
04.03	210km/6stages	2nd GlobalLimits Sri Lanka - The Wild Elephant Trail	27:02:01 h	12
2015
22.08	90km	2nd Ultravasan90	10:28:57 h	420
24.05	37mi	Guernsey Ultra	8:11:38 h	7
23.05	48mi	Jersey Ultra	9:53:40 h	2 🥈
23.05	110mi/3stages	Five Islands Ultra Marathon	21:44:36 h	1 🏆
2014
17.05	50mi	4th North Downs Way 50 Mile Race	10:27:50 h	85
06.04	244km/6stages	29. Marathon des Sables	47:13:35 h	495
2013
20.10	30mi	Caesar's Camp 30 Mile Endurance Run	7:23:00 h	10
13.04	50mi	1st South Downs Way 50 Mile Race	10:28:40 h	64
2012
08.12	33.6mi	Coastal Trail Series - Dorset Ultra	7:36:17 h	38
11.08	50mi	2nd North Downs Way 50 Mile Race	10:56:10 h	47
19.02	50km	3rd 50km London Ultra Trail Race	6:11:49 h	135

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	22/5/2017	4th Dragon's Back Race	292,00	×7
✓ 2	6/4/2014	29. Marathon des Sables	244,00	×6
✓ 3	4/3/2016	2nd GlobalLimits Sri Lanka - The Wild Elephant Trail	210,00	×5
✓ 4	23/5/2015	Five Islands Ultra Marathon	177,03	×4
✓ 5	26/8/2017	South Coast Challenge	100,00	×2
✓ 6	22/8/2015	2nd Ultravasan90	90,00	×2
✓ 7	25/6/2016	Race to the King Ultra Marathon	86,10	×2
✓ 8	12/10/2024	Lakes in a day Ultra	80,47	×2
✓ 9	17/5/2014	4th North Downs Way 50 Mile Race	80,47	×2
✓ 10	13/4/2013	1st South Downs Way 50 Mile Race	80,47	×2
✓ 11	11/8/2012	2nd North Downs Way 50 Mile Race	80,47	×2
✓ 12	24/9/2016	Lake District 3x3000 Ultra Trail 65km	65,30	×1
✓ 13	24/5/2015	Guernsey Ultra	59,55	×1
✓ 14	8/12/2012	Coastal Trail Series - Dorset Ultra	54,07	×1
✓ 15	7/12/2025	8th Hurtwood 50k Endurance Trail Run	50,00	×1
✓ 16	3/7/2021	Serpent Trail Race 50km	50,00	×1
✓ 17	28/12/2017	2nd Winter Cross Ultra 50km	50,00	×1
✓ 18	19/2/2012	3rd 50km London Ultra Trail Race	50,00	×1
✓ 19	20/10/2013	Caesar's Camp 30 Mile Endurance Run	48,28	×1