Photo by Danny FulgencioBump up–or begin–your workout at the grand opening of the Playtri Cycling Studio at the Jewish Community Center (JCC). Playtri, a professional triathlon organization, offers free classes at the JCC, located at 7900 Northaven, this weekend at the following times:

Thursday, Jan. 3: 6 a.m., 7 a.m., 8 a.m., 9 a.m., 6 p.m.

Friday, Jan. 4: 6 a.m., 7 a.m., 8 a.m., 9 a.m.

Saturday, Jan. 5: 9 a.m., 10 a.m.

Sunday, Jan. 6: 10 a.m., 11 a.m., noon

A reception with coaches, raffles and givaways takes place Sunday, Jan. 6 from 10 a.m.-2 p.m. Also that day, youth ages 10-17 can try out a free 1 p.m. class.

You can see prices for Playtri’s “Cycling at the J” computrainer and coaching classes online.

The JCC continues the fitness fun with the Zumbathon ($15-$25) on Sunday, Jan. 6 from 2-4:15 p.m.