The Tough Mudder.... it's a gruelling race, sure, but these black-and-white photos turn the merely athletic into something truly dramatic. Six photos by Getty Images' Ryan Pierse from the race at Glenworth Valley in Sydney, Australia, on Sept. 23, 2012:
A reveler is tossed by a Dolores Aguirre Yabarra ranch fighting bull during the running of the bulls of the San Fermin festival, in Pamplona Spain, Saturday, July 7, 2012. The runner was identified by a Navarran government spokesperson as a 21-year-old Japanese man from Ikeda. (AP Photo/Daniel Ochoa de Olza)
Canada's Wonderland, in partnership with SickKids, held an auction for the first rides on the Leviathan, one of the biggest and tallest roller coasters in the world. The park auctioned off seats on the first three trains to the highest bidders, who became the first official riders on the thrill machine on Friday. In total, philanthropists and coaster-enthusiasts bid on 96 seats, raising $41,000. (Rene Johnston/Toronto Star)
UC Irvine students throw balls across the field at the blue team during the school's efforts to break the Guinness world record for the largest dodgeball game at the Bren Center on the University of Irvine campus, in California, September 21, 2011. (Leonard Ortiz/Orange County Register/MCT)
A person dressed as Doc Brown with his DeLorean car, from the movie Back to the Future, takes off during the Red Bull Flugtag event in Roundhay Park, Leeds, England, on Sunday July 17, 2011. The Flugtag is a humorous festival of flight in Leeds, where 34 teams of avid aviators are launching their aircraft-type vehicles from the 6m high platform above Roundhay Park lake, to see how far their wacky devices can fly. (AP Photo/Anna Gowthorpe, PA)
A participant flies an octopus-shaped kite at the 10th International Kite Festival in Alcochete near Lisbon July 2, 2011. Festival participants from Spain, France, Switzerland, Poland, German, Turkey, Italy and England will be flying their kites until July 3. (Reuters/Rafael Marchante)