<□>Fro□□□eart-poun□ing □issions to outrageo□s games, the □□allenges□in □Running Man 20130□31" kept both the□□ast memb□□s and view□rs on□the e□ge of □heir seats. □□et□er i□□wa□ a race again□t ti□e to □omp□ete□a task or□a game o□□□□ts to outsma□t□thei□□opp□nents, each challenge□br□ught o□t t□e□competi□ive spiri□ and □o□edic ti□ing of the participants.