Millis Boosters Run Back to School 2026 — Millis, MA

Millis Boosters Run Back to School 5k and 1 mile Fun Run The Boosters are excited to be hosting our fun, community "Run Back to School" event for our 9th year!! Join us for a 5k course of rolling hills through Millis or a 1 mile fun run on the school grounds. All proceeds go to the athletes and teams of Millis Middle/High School as well as projects that support the entire Athletic Department. We look forward to having kids, parents, families, and community members join us for a morning of fun, fitness, music, and celebration. We welcome runners, walkers, and strollers! Our 5k is chip-timed by Second Wind Timing and an immediate print out of your results will be available. Check-in and race day registration will begin at 7:30am and we encourage you to arrive at least 30 minutes ahead of your race starting. Awards 5K Prizes for top overall winners and age-group medals will be awarded. Fun Run Our 1 mile fun run is for kids, adults, families, teams, or anyone. The 1 mile will not be chip-timed but a large timing clock will be at the finish to show you how you did and prizes/medals will be awarded to the top 3 male and female finishers (12 and under)! Registration There are no price increases this year and we incentivize early registration and participation from students with discounts! Early bird registration ends on July 31. Don't wait! Prices increase by $5 until online registration closes September 26. Race day registration begins at 7:30am and all prices increase by an additional $5. There is special pricing for high school aged and younger athletes participating in the 5k! Donate Can't participate? Please consider making a donation at this link . T-Shirts To get your free t-shirt, you MUST be registered by Fri. 9/5/26. We look forward to seeing you for a day of fun, music, and movement!! All proceeds support the Millis Middle and High School athletes and athletic programs.