WAVERLY, Iowa — Mitchell Black of Brunswick won his fourth national championship Saturday, setting a Walston Hoover Stadium record of 1 minute, 49.58 seconds in the 800 meters while running for Tufts University at the NCAA Division III track and field championships.

It was the second straight outdoor title for Black, who is also a two-time indoor champion.

Emily Doyle and Alanna McDonough, both of Colby, and Jeremy Collins of Southern Maine were the top finishers from Maine schools with fourth-place finishes in their events.

Collins broke his own school record in the 400 hurdles with a time of 51.76. Doyle ran a 55.31 in the women’s 400, and McDonough finished in 10:42.28 in the 3,000 steeplechase.

Two Bates athletes, Allison Hill of Brunswick and Sally Ceesay, earned All-America honors. Hill was seventh in the 100 hurdles (14.48), and Ceesay placed eighth in the triple jump (39-0 1/2).

Bowdoin’s Katherine Krupp was 14th in the triple jump at 38-1 1/2.

In other men’s results, Adedire Fakorede of Bates was 15th in the hammer (175-7), and Brian Greenberg of Bowdoin (46-6 3/4) and USM’s Connor Harris (46-3 1/4) were 15th and 16th in the triple jump.

ROWING

NCAA CHAMPIONSHIPS: Bates College won the second varsity eight race as the Bobcats finished second overall at the NCAA Division III championships in Gold River, California.

The Bobcats’ No. 2 boat finished in 6 minutes, 50.927 seconds, beating the runner-up team from Wellesley by nine seconds.

Bates placed fourth in the first varsity eight race, which was won by Wellesley, the overall champion.

TENNIS

NCAA CHAMPIONSHIPS: Bowdoin’s women’s doubles team of Joulia Likhanskaia and Tiffany Cheng lost in the semifinals of the NCAA Division III championship, falling to Juli Raventos and Linda Shin of Williams, 7-5, 0-6, 6-3 in Kalamazoo, Michigan.

Raventos and Shin beat Caroline Ward and Katie Kuosman of Claremont-Mudd-Scripps in the final, 6-2, 2-6, 6-2.