20th Anniversary 20th Anniversary | June 7, 2026 Registration Opens | October 1, 2025 Partner I want to learn more about sponsorship or partnership opportunities. Learn More Participate I want to race in the 20th Reston Sprint Triathlon. Learn More Plan I want to be involved with the 20th Reston Sprint Triathlon celebration planning. Learn More July 19, 2026 September 20, 2026