Mountain Equipment Co-op is hosting this year's Barrie Bikefest at Memorial Square just off Dunlop Street (Map). It is taking place May 25th from 9 a.m. to 4 p.m. and is free to attend. There are numerous helpful clinics and rides to attend ($5 each) that span bicycle repair, nutrition, riding styles, Yoga and nutrition. Be sure to sign up online, as they fill up quickly.
There are also free basic check-ups, a gear swap, the MEC Marketplace, and numerous vendors to see. See the full schedule online.