In preliminary races, Yale freshmen defeated Penn and Columbia and won the junior varsity race over Penn.
Both have defeated Brown, Columbia and Fordham, and lost to Dartmouth.
The Gaels earned that matchup by defeating Columbia, 80-68, in the other first-round contest.
They have won the games they were supposed to win, defeating Columbia and Marshall at home and Temple on the road.
Princeton defeated Columbia, 14-3, today in front of 5,176 fans who struggled with upturned umbrellas at Palmer Stadium.
Harvard's men's lightweight varsity completed a Crimson sweep of the varsity titles, defeating Columbia by 1.99 seconds in 5:54.94.
The Tigers defeated Columbia, 38-8, last year to give the Lions the longest losing streak.
In recent seasons, the Chargers have defeated Yale, Pennsylvania and Columbia in preseason scrimmages.
Lehigh shrugged off six turnovers and went on to defeat Columbia, 26-10, before a crowd of 3,415 at Lawrence A. Wein Stadium.
In a game that saw two outstanding individual performances, Lehigh defeated Columbia at Baker Field, 22-9, yesterday.