Road running

Cox Running Club Pi Day Half Marathon & 5K

📅 March 13, 2027 (estimated date)📍 Fort Worth · United States

⚠️ 2027 edition: provisional information

The date is estimated from the 2026 edition (March 14, 2026), on the same day of the week. Courses, start times, fees and description are carried over from the previous edition: check them on the official website. This page will be updated as soon as the organizer publishes them.

Available distances

3.1 mi13.1 mi

About

The Cox Running Club Pi Day Half Marathon & 5K takes place in Fort Worth, Texas, in mid-March. The half marathon (13.1 miles) starts at 7:45 a.m. and the 5K (3.1 miles) at 8:15 a.m., with options for runners and walkers.

The event celebrates the mathematical constant pi in a friendly atmosphere. The timed course suits all levels, participants receive a custom medal, and age-group awards are available. Refreshments afterward include pizza. Mid-March in North Texas can be mild or unseasonably warm, so keep your first miles relaxed and pick a lightweight outfit.

D-146

Prepare for Cox Running Club Pi Day Half Marathon & 5K with RunRun

An AI-generated training plan, adjusted every week based on your real sessions. Built around your goal, current level and race date.

Personalized plan based on your VO2max, history and weekly availability
Strava and Garmin sync: your sessions are analyzed and the plan adapts
Target paces, long runs, key sessions: everything is calculated for race day

Create my free plan No credit card. Sign up in 30 seconds.

Races nearby

Other upcoming races around Fort Worth.