McLean Middle School will hold its annual Mad Hatter 5K run at 8 a.m. Saturday.

Online registration ends Friday but interested participants can register and pick up race day packets before 7:30 a.m. Saturday.

It costs $20 for students and $25 for adults. According to McLean’s PTA website, all proceeds will help McLean Middle School purchase a mobile computer lab, professional development for teachers, new novel sets, field improvements and other items on classroom wish lists. In addition to providing funds for McLean Middle, McLean 6^th Grade Center will also receive $5 from each registration fee.

According to McLean’s PTA website, the race will begin and end outside of McLean Middle School. For more information about the race and the route, please visit http://bit.ly/PLvswt.

Mad Hatter 5K

When: Saturday, September 29 from 7:30-10:30 a.m.

Where: 3800 Stadium Drive

Cost: $20 for students/$25 for adults