14771 Myford St., Unit B
Tustin , California 92780
United States
Phone: 714-442-0925


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Triathlon Gear Newsletter

About Us

For store location, hours, and phone numbers, click here to visit our Contact Us page. - for all of your triathlon gear needs!

One Tri was started in 2005 by triathlon enthusiasts just like you. At that time, we were frustrated by how hard it was to find quality triathlon gear. So we decided to open our own store and website in Orange County, California. We are more than just an online store. We are a community that cares for health, people, and planet. Let us know if we are accomplishing our mission and join us in our journey.

Our Mission:

  1. Provide the best customer service and largest selection.
    One Tri strives to provide our triathletes with the best possible shopping experience. Our goal is to provide the BEST customer service and the largest selection of products. Let us know how we can help.

  2. Promote the growth of triathlon sports - swimming, biking, running.
    We all win when there is a healthy following of our sport. Help us share the excitement, fun, and health benefits of triathlons. After all, we can all enjoy more gear, more races, and more fun!

  3. Give to the charitable causes.
    At One Tri we believe in maintaining a healthy heart both literally and figuratively. To do our part One Tri will always find a way to donate to, participate in, and support charitable causes.

    Check out some of the charities that we have contributed to recently:

    CAF, Challenged Athlete's Foundation - Every year we help raise money and our athletes have participated in the San Diego Triathlon Challenge.

    National Multiple Sclerosis Society - Every year we help raise money and our athletes have participated in the MS150 Bay to Bay bike tour from Irvine to San Diego. As well as other similar events.

Employment Opportunities

We are looking for talented and enthusiastic people to join our team. See below for opportunities currently available.

About Triathlon and More

We live the life of training and racing. Like most others, we do triathlons for fun and fitness while enjoying the spirit of competition. We know there are many of you out there that are just getting into the sport. Please don't hesitate to contact us if you have any questions about how to get started. You don't need to be purchasing tri gear to send us an email or call.

Triathlons are commonly done in four different distances Sprint, Olympic, Half-Iron, and Iron distance races. One of the most famous races is the Ironman World Championships in Kona, Hawaii run by the World Triathlon Corporation, find out more at In the USA a triathlon organization exists called the USAT that serves as an advocate and governing body for the sport, find out more at Another large triathlon organization is the International Triathlon Union which introduced triathlons to the Olympic Games for the first time in Sydney 2000, find out more at

If you’re looking for advice or information online here are some good resources:




Here are a few manufacturer’s websites of products that we carry:

Visit our brands page for a complete list of triathlon companies that we carry.