U and I Equals Infinity 5K
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U and I Equals Infinity 5K: Fernandina Beach, FL
The event is a community 5K Run/Walk and a separate Fun Run held at Fort Clinch State Park in Fernandina Beach, Florida. The 5K follows a point to point course along Fort Clinch Road, beginning at the park entry gate and finishing at the Visitors Center parking lot. Much of the route runs under tree canopy and the terrain is about 60% flat with gently undulating hills. Entry to the park is complimentary for runners.
Distances:
- 5K Run/Walk
- Fun Run
Parking is available outside the park at the main beach, at the recreation center, or at the Visitors Center parking lot. Golf cart transportation is provided in both directions by a third party. The 5K is chip timed by Milestone Race Authority to provide accurate results. A QR code for the course is provided and a virtual race app option is available to track and upload verified times using a phone's GPS.
Registration fees for the 5K vary by date: early registration is $30 through August 18, 2026, $35 through August 28, 2026, and $40 cash or check on race day. T shirt orders must be placed by August 15, 2026. Fun Run fees are $10 early, $15 later, and $20 on race day; Fun Run entries do not include a shirt but a shirt may be purchased for $10. Visit the organization's website for the most recent information.
