| Jan 15 - 18 | Fusion Cup - Hosted By The Massachusetts Spitfires | |
| Jan 17 | Minuteman Flames Learn 2 Play: Fall / Winter Sun. (Flier) | |
| Jan 22 - 24 | 26th Annual Challenge Cup | |
| Feb 3 - Apr 21 | Flames Learn 2 Play: Spring 2021 Wednesdays (Flier) | |
| Feb 7 - Apr 25 | Flames Learn 2 Play: Spring 2021 Sundays (Flier) | |
| Feb 12 - 14 | President's Day Mite Invitational - Full Ice Mites | |
| Feb 12 - 14 | North American Winter Championship | |
| Feb 19 - 21 | 31st Annual Central Mass Winter Classic | |
| Feb 26 - 28 | 24th Annual March Classic | |
| Feb 26 - 28 | Mass Hockey State Championships | |
| Mar 5 - 7 | Mass Women's State Playdowns | |
| Mar 5 - 7 | E H F Round Robin 2021 | |
| Mar 12 - 14 | E H F Playoffs 2021 | |
| Mar 12 - 14 | E M H L Playoffs 2021 | |
| Mar 12 - 14 | Mass Womens State Playdowns | |
| Mar 22 - Apr 1 | Minuteman Flames Tryouts 2021 | |
| Apr 1 - 3 | 6th Annual Pepsi Hockey Showcase | |
| Apr 16 - 18 | Boys Spring Classic Tournament | |
| Apr 16 - 18 | Girls Spring Classic Tournament | |
| May 3 - Aug 10 | Boys High School Summer League (Flier) | |
| May 3 - Aug 10 | Girls High School Summer League (Flier) | |
| May 5 - Aug 4 | Central Mass Summer Hockey League (Flier) | |
| May 5 - Aug 4 | Middle School Summer Hockey League (Flier) | |
| May 14 - 16 | The Showdown | |
| May 21 - 23 | North American Spring Championship | |
| May 28 - 30 | Boston Showdown A Brick Series Event | |
| Jun 4 - 6 | Boys Summer Meltdown | |
| Jun 4 - 6 | Girls Summer Meltdown | |
| Jun 11 - 13 | Heroes Cup Hockey Tournament | |
| Jun 18 - 20 | Beantown Bash 2021 | |
| Jun 25 - 27 | Boston Icemen Icebreaker - 15 U / 16 U / 18 U | |
| Jun 25 - 27 | Boston Icemen Icebreaker - Full Ice Mites | |
| Jul 9 - 11 | Boston Selects Tournament | |
| Jul 16 - 18 | Women's Beantown | |
| Jul 23 - 25 | Women's Beantown | |
| Jul 30 - Aug 1 | North American Summer Championship | |
| Sep 3 - 6 | Labor Day Faceoff 2021 | |
| Sep 12 - Nov 21 | N E S C Fall Prep League 2021 | |
| Oct 8 - 11 | E H F Invitational 2021 | |
| Oct 22 - 24 | 27th Annual Haunted Shootout 2021 | |
| Nov 5 - 7 | The Lucky Lobster 2021 | |
| Nov 5 - 7 | The Mighty Lobster - Full Ice Mites 2021 | |
| Nov 26 - 28 | North American Fall Championship 2021 | |
| Dec 27 - 29 | Celly Season Christmas Classic 2021 | |
| Dec 27 - 29 | Holly Jolly Ice Jam - Full Ice Mites 2021 | |
| Dec 30 - Jan 1 | 24th Annual Jingle Bell Skate 2021 | |
