November 14, 2017 12:30 pm Boston's Frog Pond Skating Rink Is Open! The rink will be open Tuesday from 10 a.m. to 9 p.m. with free admission for all skaters. Regular winter admission is $6 for skaters over 58 inches. Skaters under that height can skate for free. US & World Videos 2:50 Community mourns Billerica police sergeant killed on duty 3:02 Northeastern protesters released from police custody 4:32 Anti-war protester at Northeastern speaks amid arrests: ‘We are peaceful students' 10:42 Multiple people arrested as police clear campus encampments 1:40 Heavy police presence near on-campus protests