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Pi Day 5k: a 3.14 Miler

Sat March 15, 2025 Lansing, MI 48910 US Directions


Pi Day 5k - In Person

$30 9:00AM EDT - 11:00AM EDT Registration Opens June 1, 2024 at 7:00am EDT

Pi Day 5k - Virtual

$40 Registration Opens June 1, 2024 at 7:00am EDT


1601 E Cavanaugh Rd
Lansing, MI US 48910


Join us for a Pi Day 5k on March 15, 2025!

Join us for the Pi Day 5k, taking place on Saturday March 15 at Hawk Island Park. This fun-run to raise money for Impression 5 Science Center's scholarship program. Impression 5 Science Center is a dynamic, interactive space for families to play, create, and challenge their understanding of science together. By participating in this event, you’ll support their scholarship programs, which increase access to their exhibits and experiences for children and families throughout our community. All participants receive a t-shirt, medal and free slice of pie after the race! If participating isn't the right fit, there is also an opportunity to volunteer during the event. 

Race Details

Location: Hawk Island Park, 1601 E Cavanaugh Rd, Lansing, MI 48910

Start Time: 9:00 am on Saturday March 15, 2025

Entry Fee: Early bird registration $30 until December 7, 2024.  Registration is $35 from December 8, 2024 through February 28, 2025. Registration increases March 1, 2024 to $40. Registration includes entry fee into Hawk Island Park.

Giveaways: Finisher medals and shirts available to participants and all participants receive a piece of pie after the race! Pie is generously being provided by Grand Traverse Pie Company! 

Early Packet Pick Up: TBD

Day of Packet Pick Up: check in will begin at 8 am prior to the race at Hawk Island in the Red Tail Pavilion.

Results: Your accurate chip time and current overall and age group place will be texted to your phone and live on this site. Timing done by Michigan Running Foundation.

Age Groups: Under 14, 15-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70-79, 80+. 

No-shows to the race will forfeit their shirt and finisher medal.

Virtual Pi Day 5k: If you can't make the race and still want to participate, sign up for the virtual race and we will mail out a shirt and medal to you! Cost is $40 and includes shipping. There are no placement awards for the virtual event. Virtual event registration closes March 14th. Registrations received on or before March 10, will be mailed on March 11th. Registrations received after March 10 will be mailed out the next business day.

Course Map

The course starts at the southwest corner of the Red Tail Shelter:

Hawk Island Winter 5k

Finisher Medal

Finisher medals will be available to participants. 


Two photos show the center piece of the medal spins.



Register by Feb. 17, 2024 to guarantee your shirt size and availability. 

2024 shirt design:


Race Contact Info

If you have any questions about this race, click the button below.


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