Excited Trailwalkers start their challenge

Photo: Oxfam

A Trailwalker team starting out. Trailwalkers take part in teams of four, supporting each other throughout the challenge

Photo: Oxfam

A bit of stretching to ease the muscles

Photo: Oxfam

A show of local support for the walkers

Photo: Oxfam

Hungry walkers help themselves to chocolate treats at a checkpoint

Photo: Oxfam

7. The sun sets on Trailwalker - showing off the stunning skies over the South Downs

Photo: Oxfam

8. Trailwalkers keep going through the night - inspiring us all with their motivation and determination

Photo: Oxfam

Happy Trailwalkers get their well-deserved medals

Photo: Oxfam

Could this medal be yours next year?

Photo: Oxfam