Oceanside, California · Saturday, April 4, 2026
The Ironman 70.3 Oceanside is a triathlon event held on Saturday, April 4, 2026. It is located in Oceanside, California.
🗺️ The Ironman 70.3 Oceanside is a must-add to your triathlon calendar in the United States.
The 97th Annual Oceanside Pier Swim is set to take place on September 7, 2026, continuing a cherished tradition that began in 1929. Swimmers of all ages are invited to participate in this one-mile swim around the iconic Oceanside Pier, the longest wooden pier on the West Coast.
Hosted by local organization, Oceanside Masters Swim Club, the club hopes to grow Oceanside Aquatics and community from youth to adulthood. Proceeds from the swim will benefit youth swim programs, high school swim teams, adult swim teams and our local first responders.
Welcome to the Sunshine Series Season Pass, home to 6 different races throughout San Diego County.
Whether you are looking for a stroll along the water, some scenic single track, or a challenging hill course, the ERS prides itself in offering trail runners the BEST race experience and atmosphere in the industry. Every event within the ERS offers multiple race distances, great course support, kid's races, and finish line festivals that the entire family can enjoy!
What's Included in the Season Pass:
Automatic Entry into the ERS Championship Series*
Entry into all 6 Sunshine Series events at discounted rate
VIP Goodie Bag (receive at 1st event of season)
Season Pass Medal at conclusion of series (must finish 5 of 6 events)
Season Pass ERS Gift at conclusion of series (must finish 5 of 6 events)
Our new Championship Series will be exclusively tied to our Season Pass registration. All runners looking to compete for the Championship will be REQUIRED to complete the 4 qualifying events. With leaderboard determined by LEAST total accumulated time. In all 3 Season Pass categories a Male and Female Champion will be crowned.
Not looking to compete in the championship or not sure you can race all events... no worries! If you choose not to compete and only run for yourself or for fun, then we welcome you to our Season Pass as well! More details on the Championship can be found HERE.
The Season Pass does NOT include upgrade options. If you are interested in upgrading to one of our longer distances within the races, you would just need to select the upgrade option in to have it included with your season pass registration. If you do not want to upgrade, please skip those options and proceed to check out. You can always upgrade (or downgrade) a race at a later date by reaching out via email. Plese note there are no refunds for downgrading.
Experience gorgeous riding along pristine beaches, historic Pacific Coast Highway, iconic beach landmarks and unique, Southern California weather with the annual Bike The Coast Bike Tour. Select from distances of 25 mile, 50 mile, and 100 mile rides and then come out and ride along with 2000 other enthusiast along some of Southern California's best-known cities and roadways. When you finish, meet us back at the Oceanside pier to celebrate with your selection of food options, a lively beer garden, great music and new friends.
This is a truly bucket list event if you are an avid rider who enjoys getting some exercise, having fun, and experience great November weather. This is a 'rules of the road' ride so come prepared to obey all traffic laws.
Join us for the 36th annual
Carlsbad Marathon, Half Marathon, 5K, and Double Down Challenge on
Sunday, January 17, 2027!
Experience the BEST and most scenic winter race with the BEST swag! Enjoy miles and miles of breathtaking ocean views, complete with outstanding course support and incredible race perks, designed to deliver an elevated and unforgettable race-day experience. Turn your Martin Luther King Jr. holiday weekend into a run-cation! Register now!