The Pi Day 5k is hosted by the Worthington-based Teaching & Learning Collaborative (TLC). Kelli Shrewsberry is the TLC director and Lisa Chambers is a board member.

The Pi Day 5k is hosted by the Worthington-based Teaching & Learning Collaborative (TLC). Kelli Shrewsberry is the TLC director and Lisa Chambers is a board member.

The money from the race is used for professional development. The TLC, at 200 E. Wilson Bridge Road, Suite 312, provides innovative, professional development and support for pre-k-12 educators in mathematics, science and technology.