Nathan Walsh

Born : 1976 Cat. M50 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 ?

Spain

United Kingdom

42,7%

Rank quotient ?This runner's calculation uses 21 eligible race(s): Σ(rank − 1) = 1 510; Σ finishers = 3 538. 1 510 / 3 538 × 100 = 42.68%. A win adds 0 to the numerator. Lower is better.

Totals

Ultras completed21

Km — ultra races2 220 km

> 100 km9

> 160 km6

> 200 km1

> 24h2

Longest race233,4 km

20th 145mi Grand Union Canal Race — 24/5/2014

Km per year (ultra races)

2022

2023

2024

2025

2026

Race types (share of distance)

Road12,8%

Trail87,2%

Wins & podiums (ultra)

🏆 Win2

🏆 Win M2

🏅 Top 33

🏅 Top 3 M3

Longest winning streak1

Current streak0

Records

50 mi8h38'34 100 mi25h51'37 6 h65,00 km 12 h130,00 km 24 h155,00 km

HISTORY

21 race(s) · 1 split(s) nested

Date		Race	Perf.	Rk
2016
17.12	24h	24 hores en pista Corredors.Cat - Barcelona	128.684 km	69
17.12	12h	24 hores en pista Corredors.Cat - Barcelona - 12h Split	112.188 km	29
29.07	100mi	Lakeland 100 Mile	25:51:37 h	23
19.06	6h	Trailblaster 6h Endurance Ultra	65.000 km	2 🥈
07.05	24h	Hardcastle 24 - 24 hour endurance run	155.000 km	1 🏆
12.03	31.7mi	Haworth Hobble 32 Miles	5:24:38 h	44
2015
16.05	37mi	Old County Tops Fell Race	9:17:21 h	77
14.03	32mi	Haworth Hobble 32 Miles	9:27:14 h	375
2014
18.10	50mi	32nd Rowbotham's Round Rotherham	11:30:38 h	98
25.07	100mi	Lakeland 100 Mile	27:11:46 h	20
24.05	145mi	20th 145mi Grand Union Canal Race	31:42:00 h	8
04.05	12h	5th Lightning 12 hr	130.000 km	1 🏆
12.04	37mi	36th Calderdale Hike 37 Miles	6:56:00 h	14
15.03	32mi	Haworth Hobble 32 Miles	9:25:45 h	393
2013
26.07	100mi	Lakeland 100 Mile	26:45:41 h	15
18.05	37mi	Old County Tops Fell Race	10:16:48 h	91
2012
20.10	50mi	30th Rowbotham's Round Rotherham	8:38:34 h	37
15.09	40mi	26th High Peak 40 Mile Challenge	11:02:12 h	139
27.07	100mi	Lakeland 100 Mile	28:20:20 h	24
28.01	50mi	Yorkshire Ultra 50 Miles	9:30:03 h	6
2011
17.09	40mi	25th High Peak 40 Mile Challenge	7:11:44 h	30
29.07	100mi	Lakeland 100 Mile	34:30:03 h	64

Filter

Runner	Races in common

DUV-index calculation details

#	Date	Race	Credited km	DUV-index+
✓ 1	24/5/2014	20th 145mi Grand Union Canal Race	233,35	×5
✓ 2	29/7/2016	Lakeland 100 Mile	160,93	×3
✓ 3	25/7/2014	Lakeland 100 Mile	160,93	×3
✓ 4	26/7/2013	Lakeland 100 Mile	160,93	×3
✓ 5	27/7/2012	Lakeland 100 Mile	160,93	×3
✓ 6	29/7/2011	Lakeland 100 Mile	160,93	×3
✓ 7	7/5/2016	Hardcastle 24 - 24 hour endurance run	155,00	×3
✓ 8	4/5/2014	5th Lightning 12 hr	130,00	×3
✓ 9	17/12/2016	24 hores en pista Corredors.Cat - Barcelona	128,68	×3
✓ 10	18/10/2014	32nd Rowbotham's Round Rotherham	80,47	×1
✓ 11	20/10/2012	30th Rowbotham's Round Rotherham	80,47	×1
✓ 12	28/1/2012	Yorkshire Ultra 50 Miles	80,47	×1
✓ 13	19/6/2016	Trailblaster 6h Endurance Ultra	65,00	×1
✓ 14	15/9/2012	26th High Peak 40 Mile Challenge	64,37	×1
✓ 15	17/9/2011	25th High Peak 40 Mile Challenge	64,37	×1
✓ 16	16/5/2015	Old County Tops Fell Race	59,55	×1
✓ 17	12/4/2014	36th Calderdale Hike 37 Miles	59,55	×1
✓ 18	18/5/2013	Old County Tops Fell Race	59,55	×1
✓ 19	14/3/2015	Haworth Hobble 32 Miles	51,50	×1
✓ 20	15/3/2014	Haworth Hobble 32 Miles	51,50	×1
✓ 21	12/3/2016	Haworth Hobble 32 Miles	51,02	×1