A group of Tough Mudder participants, covered in mud and smiling, pose together after completing the obstacle course. They wear colorful headbands and athletic gear, standing proudly on grass near event tents and fencing.

Tough Mudder

Join Team Concern and take on the ultimate obstacle course challenge whilst supporting people living in the most vulnerable communities on the planet. With 5k and 15k options, there is a tough mudder for everyone.

With no competition and no timing, it’s just you, your teammates and muddy strangers working together to conquer the course and earn the world-famous orange headband. So whether you’re a seasoned professional or completing your first tough mudder, we'd love you to join Team Concern!

Book now

As part of Team Concern you'll receive:

A Concern worldwide T-shirt
A fundraising pack and support from a dedicated fundraiser to help you smash your target
Regular team emails
Finishers medal
Finishers headband
Finisher shirt

Locations & Dates Available:

Scotland: 7th June 2025
Midlands: 5th July 2025
Midlands: 6th July 2025
Yorkshire: 26th July 2025
Yorkshire: 27th July 2025
South West: 16th August 2025
London South: 20th September 2025
London South: 21st September 2025

A group of Tough Mudder participants wearing green shirts celebrate with muddy high-fives after completing the course. Their faces are joyful, and they are covered in mud from head to toe.

Two Tough Mudder participants grit their teeth as they push through hanging electrical wires in a muddy obstacle. Both are covered in mud and show intense focus, while spectators watch in the background.

A group of Tough Mudder participants splash through a muddy water obstacle, with one man in front charging ahead with a determined expression. Mud sprays through the air as others laugh and push through behind him.

Three Tough Mudder participants climb over tall wooden walls, part of an obstacle course. The walls are branded with Tough Mudder logos. Orange and black flags line the course, and the ground is grassy under a grey sky.

A large group of Tough Mudder participants begins their race, running under a black inflatable arch marked “START” on a foggy morning. The ground is grassy, and the scene is energetic with banners and spectators in the background.

Three muddy Tough Mudder participants celebrate at the finish line, smiling and hugging beneath a large black arch marked “FINISH.” All wear orange headbands and show signs of joy.

A muddy Tough Mudder participant wearing a rainbow headband and wristbands climbs over a wooden obstacle, showing focus and determination.

A woman smiles and raises a flare emitting orange powder as she runs under the “START” arch at a Tough Mudder event, surrounded by fellow participants in black Tough Mudder shirts. The atmosphere is energetic and celebratory.

How your fundraising helps:

£36 could pay for 120 sachets of emergency therapeutic food for malnourished children
£120 could pay for 400 sachets of therapeutic food for malnourished children
£300 could help run a vital nutrition centre for two weeks, so we can diagnose and treat children to prevent them from suffering from severe malnutrition

Book now

Event website: https://runforcharity.com/concern-worldwide-uk/tough-mudder

Apoline Niyosenge is taught how to wash her hands properly by Concern community worker Abel Bamwisho, DRC. Photo: Pamela Tulizo

Help those in need across the world

Our mission is to permanently transform the lives of people living in extreme poverty.
When an emergency strikes we are among the first on the ground.
We go to the ends of earth to deliver aid where it's needed most.

Donate now