Join GO2 for Lung Cancer’s 18th Annual 5K Walk/Run on Sunday, September 20, 2026, at Seal Point Park in San Mateo, CA. Bring your friends, family, and community together for a meaningful morning of movement, hope, and impact. Enjoy a scenic 5K, kids dash, music and more while helping raise critical funds for lung cancer research, patient support, and treatment navigation. Whether you walk, run, volunteer, or participate remotely, every step helps change lives. All ages and abilities are welcome.