Summer Sizzler - Denver

The Summer Sizzler - Denver is an annual family-friendly running event held at Carpenter Park/Thornton Recreation Center Park in Thornton, Colorado. Scheduled for August 16, 2025, it offers multiple race distances including 5K, 10K, 15K, a Kids Dash, and a 1 Mile fun run, along with a virtual race option. Participants enjoy chip timing with live results, age group awards, and receive a designer shirt and custom finisher medal.

The event features a festive atmosphere with free shaved ice, treats at the finish line, and an optional Beach Party Challenge adding a fun twist by carrying beach items during the race. It emphasizes community, fitness, and fun for all ages. Visit the organization's website for the most recent information.