Seafair Triathlon 2026

Join us for the Seafair Triathlon, Seattle’s premier triathlon event, set against the stunning backdrop of Lake Washington at Seward Park! 🌊✨ This flat, fast course offers a vibrant urban race experience just moments away from downtown Seattle.

Whether you're a seasoned triathlete or a beginner, there's a perfect distance for everyone:

• 💪 Sprint Triathlon: 0.5-mile swim, 14-mile bike, 5K run
• 🚴‍♀️ Sprint Duathlon: 14-mile bike, 5K run
• 👥 2- and 3-Person Team Triathlon
• 🌟 Super Sprint Triathlon: 0.25-mile swim, 14-mile bike, 5K run
• 🧒 Kids Triathlon with age-appropriate divisions

Experience the thrill of swimming in a protected cove, biking on closed roadways, and running through the picturesque loop of Seward Park - all in a supportive and well-organized environment. 🤗✨

Perfect for beginners, the Super Sprint is designed just for you, featuring a shorter 0.25-mile swim, a manageable 14-mile bike, and a 5K run! Prefer to join forces with friends or family? Opt for one of our duathlon or relay opportunities, making participation easy and fun! 🎉

Don't miss out on the largest kids triathlon around, with two exciting waves designed for all ages. Watch as older kids tackle a real swim while younger athletes can join the wading division followed by biking and sprinting to the finish line. It’s a day filled with family fun! 👨‍👩‍👧

Whether it’s your first triathlon or simply another one on your journey, the Seafair Triathlon promises a distance that suits everyone. Let’s race together! 🏅

Location: 🌐 5898 Lake Washington Blvd S, Seattle, WA 98118, United States

For ticket details, visit: 🎟️ Seafair Triathlon Event Page