Sussex, UK. A male competitor grimaces with effort as he uses a rope to climb the Everest obstacle during a Tough Mudder event.

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Size: 5760px × 3840px
Location: Holmbush Estate, Sussex
Photo credit: © Dave Stevenson / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: , action, activity, adrenalin, challenge, climb, climbing, effort, energy, event, everest, exercise, expression, face, facial, fit, fitness, grimace, health, healthy, london, male, man, marathon, mudder, muscle, obstacle, rope, runners, slope, south, sport, success, tough, uk, unpleasant