<□>From h□art-poundin□ missions □o outrag□ous games, the□ch□llenge□ i□ "Running □an 2□130331" ke□t bot□ the cast members and viewers □n□the edge of□their□s□□ts□ Whethe□ it□was a race agai□st □ime to com□lete a t□□□□or a g□me of wits to o□tsmart □hei□□op□onents, e□ch cha□lenge br□□g□t o□t t□e □□mpet□t□ve spirit and co□e□ic □im□ng of th□□participants□<□p>