Collin Boler of Delbarton, Sarah Petitjean of Chatham, and the Mendham girls and Chatham boys turned in the top performances of the day at Tuesday's Northwest Jersey Athletic Conference Championships on the Greystone course in Morris Plains.
In the boys competition, Boler, a junior, won the Large School boys race in 15:55, finishing 25 seconds ahead of runner-up Sam Ellis of Chatham. Last year, Boler's twin brother, Brian, won the Large School race.
No. 14 Chatham successfully defended its Large School team title by outscoring No. 19 Morristown, 66-80. Chatham, which put three runners in the top 12, went 2-5-12-20-27 and averaged 17:02. Morristown's top five finished 4-13-17-18-28 and averaged 17:15.
Adam Angelone of Madison, a two-time sectional XC champion, repeated as the the winner in the boys Small School race by running 16:02, and Kinnelon steamrolled the competition to capture the team championship, 56-85 over runner-up Parsippany. Kinnelon averaged 17:32
On the girls side, No. 6 Mendham and Petijean won the Large School titles, and Grace Wills of Mountain Lakes and Villa Walsh were crowned champs in the Small School race.
Petijean, a senior, won the girls Large School race and matched her PR with a time of 19:12, 10 seconds in front of runner-up Ava Augustine of Mendham. Augustine, a senior, who ran a PR of 19:22, led a dominant effort by Mendham, which put its five scorers in the top 12 (2-3-4-6-12) and averaged 19:49 en route to a 27-100 victory over runner-up Chatham.
In the Small Schools race, Grace Wills of Mountain Lakes, a senior, crossed the line first with a big PR 19:30, 24 seconds better than her previous best time. Villa Walsh edged Mountain Lakes for the team title, 38-44.
Villa Walsh went 2-4-6-10-16 and averaged 21:04 and Mountain Lakes finished 1-7-11-12-13 and averaged 21:03.