Tough Muddler - image shows three young women covered in mud and smiling and flexing muscles, after having completed an obstacle course

Tough Mudder

Tough Mudder is the world's best obstacle course and mud run. Challenge yourself and your team.

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If you have ME/CFS please read our notice first:
Fundraising Important Notice
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The ME Association: Website Terminology

CFS - Chronic Fatigue Syndrome
ME - Myalgic Encephalomyelitis or Encephalopathy
PVFS - Post-Viral Fatigue Syndrome

Long Covid - Post-Covid Fatigue Syndrome
PACS - Post-Acute Sequalae of Covid-19
PEM - Post-Exertional Malaise
RRF - The ME Association Ramsay Research Fund

DecodeME - The World's Largest Genetic Study
DHSC - Department of Health & Social Care
DWP - Department of Work & Pensions
JLA PSP - James Lind Alliance Priority Setting Partnership
MERC - ME Research Collaborative

MRC - Medical Research Council
NICE - National Institute for Health & Care Excellence
NIHR - National Institute for Health & Care Research
UKRI - UK Research and Innovation

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