Summer Series 2026

The Summer Series is a four-race running series in Columbus, Georgia, held on Saturday mornings at 8 a.m. from June through September. The series comprises the Old Mill 4 Miler, Big Dog Heatwave 5 Miler, Lakebottom Park 5K, and Riverwalk 10K. Registration covers all four races, eliminating the need for separate sign-ups. The races feature varied local courses and distances, from 5K to 10K. This series is designed for runners looking for a linked set of summer road races, complete with chip timing and awards. Participants get a Summer Series shirt, race-specific merchandise, and post-race refreshments. A medal is awarded to runners who finish all four races.