Dzhokhar Tsarnaev flashes his middle finger at the camera in a 2013 image shown to jurors on Tuesday.

The Class of 2017 ring delivery took place Wednesday, April 22 at the Institute for Contemporary Art.

Runners in the first wave pass under Massachusetts Avenue in the last mile of the 2015 Boston Marathon. This year’s marathon saw 26,610 runners finish.

Jeffrey M. Sperling ’15 hits a backhand volley during the third position doubles match last Friday against New York University. MIT went on to win 6-3.

Caroline Rotich (left), Buzunesh Deba (center), and Mare Dibaba (right) lead the elite womens’ race through Kenmore Square at the 2015 Boston Marathon. Rotich won with a time of 2:24:55.

“B1 with the universe” is an art project being supported through the de Florez Fund for Humor. Once up and running, it will dispense “happy and nerdy items” for free.

A large crowd gathered near Boston College to cheer runners on, holding witty encouraging signs.

Meb Keflezighi and the lead group of the male elite field push on after covering Heartbreak Hill.

Lelisa Desisa of Ethiopia leads the way through Kenmore Square at the 2015 Boston Marathon. Dedisa won first place with a time 2:09:17.

Aaron L. Pike of Champaign, Illinois, races in the 119th Boston Marathon.

The timer truck leads the elite runners through the course at Kenmore Square.

Yemane Adhane Tsegay of Ethiopia muscles through Kenmore Square, nearing the last mile of the 2015 Boston Marathon. Tsegay finished in a close second place with a time of 2:09:48.