OpenAir Circus classes go on this summer, though in-person classes are limited to 10

Ninja Nate Pardo, 14, makes himself visible; national television competition airs Saturday

Bionic5K wants to fill city streets April 29 with ‘truly inclusive’ assembly of runners

Enjoy the run, Cambridge marathoners, because there may well be fewer coming

‘Yale’s Worst Oarsman’ overcomes plenty to bring his message to reading on Sunday

Martinez pitches Oldtime Baseball Game, uses mound to benefit charitable causes

24th Annual Hoops ’N’ Health tournament slated for June 24 at Riverside’s Hoyt Field (update)

Cambridge City Run/Henrietta’s Walk benefit arrives April 2 at Danehy Park

Build a faster mousetrap: Sculpture racing returns for year’s Science, River festivals

Here’s your ice skating (and waffle) schedule for the coming weeks (corrected)