Get ready to challenge yourself this summer at a training-focused event happening July 25, 2026, at the historic Nakashima Heritage Barn along the Centennial Trail in Arlington, WA. You'll have your choice of a 5K or 10K on a mostly flat, paved course that's perfect for testing your fitness, hitting personal goals, or practicing your pacing in hot-weather conditions. With chip-to-chip timing and a welcoming community atmosphere, this race is ideal whether you're after a PR, running with family and friends, or looking for reliable performance benchmarking.