Oceanside is proud to be the host of this world-renowned event. IRONMAN 70.3 Oceanside started out as an IRONMAN in 2000. Two years later it was turned into one of the first IRONMAN 70.3 events and helped launch the popularity of the distance.

The bike route portion of the event starts from Oceanside Harbor thru Camp Pendleton & San Onofre Bluffs State Park, continuing thru Trestles onto Cristianitos overpass and back onto Camp Pendleton’s Cristianitos gate. Then there’s the rolling hills on your bike that occur prior to San Mateo hill following by two more nice hills only to come upon a flat but very windy road to wind back at the Oceanside Harbor.

The run portion is a two looper and is considered flat and fast but be prepared for the turns and inclines/declines as you go from beach level to street level. The two-loop, 13.1-mile run course begins at Transition above the Oceanside Pier, down onto the Harbor, on The Strand and through coastal neighborhoods before a spectacular finish.

Arriving early? Invite your children to take part in the racing festivities by registering for the IRONKIDS Oceanside Fun Run! Available for kids ages 6 months to 17 years old. The race distance options include a Diaper Dot Dash (26.2ft crawl); Toddler Dot Trot (80ft); 1/2 mile and one mile.The price for each participating racer is $20, and parents, family and friends are all invited to come enjoy the festivities and cheer on their little racers! 

For detailed information including registration fees, times, and routes, please visit the IRONMAN Oceanside website.

We’re so excited to have you join us in Oceanside for this signature annual event. We want planning your time with us to be as easy as possible so below we’ve put together the best lodging and hotel deals for the IRONMAN 70.3 Oceanside. If you want to explore a little bit more about we offer as a destination, then request to have an Oceanside Visitor Guide mailed out to you prior to your arrival.

Traveling with a Group?

IRONMAN Oceanside is a great experience for friends and family to get together and enjoy as a group.  Depending on the size of your group, Visit Oceanside may be able to assist you in finding the perfect location for your group to stay together or find a venue for a group celebration after the event. Contact our Group Travel Department for more information. 

Click to view all available lodging in Oceanside for the IRONMAN 70.3 Oceanside