<□>□rom h□art-po□nding □issions to outrag□ous□□ames, the challe□ges in "Runni□g □an □01□□331□ kept bot□ th□□□□st □embe□s and v□ewers □□ the edge□of their seats□ Whe□her i□ was□a □□ce□against time to c□mpl□te a tas□ or a game of □its to□outsmart□thei□ opponents, each c□allenge br□ught out □he compet□ti□e spirit □nd comedic□timing □f the p□rticip□nt□.