All Athletes Welcome.
We believe triathlon is more than just three sports. It's a healthy, fulfilling way of life! Come join us at our monthly happy hour or one of our training sessions to find out why we are a great community.

Why Join? | Join ATC Now


Upcoming events

    • 03/20/2019
    • 09/25/2019
    • 28 sessions
    • Jonas Green Park, Annapolis
    • 03/26/2019
    • 09/24/2019
    • 27 sessions
    • Bates Track

    Track workout with the Annapolis Striders.  Led by Lee Crumbaugh. 

    Free.  All levels welcome.  

    • 03/27/2019
    • 09/25/2019
    • 27 sessions
    • Bike Doctor Arnold

    20-30 mile rides.  Moderate Pace Ride.  Meet at the Bike Doctor Arnold location.

    • 03/28/2019
    • 09/19/2019
    • 26 sessions
    • Bike Doctor Arnold

    No Drop beginner Ride.  Meet at the Bike Doctor Arnold location.

    • 03/30/2019
    • 09/28/2019
    • 27 sessions
    • Bike Doctor Arnold

    No Drop - all ability levels.

    • 04/06/2019
    • (EDT)
    • 10/27/2019
    • (EDT)
    • MD-VA-DE-PA region

    Plan your races for the coming year!  Here is the schedule from Kinetic Multisports for the races they are sponsoring for 2019.


    • 04/06/2019
    • 09/28/2019
    • 26 sessions
    • South River High School

    1 hour long beginner bike rides for ATC members. Contact for more information.


    • 09/08/2019
    • 6:00 PM - 8:00 PM
    • Ryan Residence, 3324 Breckenridge Way, Riva, MD

    Join us for an ATC Open Water Swim and BBQ.  We have a marked, 750-800yd, rectangular course near the headwaters of the creek. Water depth is anywhere from 4'-8' with entry and exit from a dock ladder. Swim as much or little as you wish from 6-7. After, we will pull the markers and head back up the hill to the house to refuel and relax with some good food from the grill (BYOB and feel free to donate a dish).

    Please bring a swim buoy, which can be purchased at We may have a couple on site, but don't count on one being available.

    Please also sign the ATC waiver located on your profile prior to attending. 

    • 09/15/2019
    • 2:00 PM - 6:00 PM
    • 1425 Two Rivers Blvd, Odenton

    Join us for an afternoon of good food, relaxation and fun hosted by ATC at Two Rivers in Odenton.  The club will supply burgers and chicken, water, sodas and beer.  Please bring your favorite summer side dish to share!  A refrigerator will be available as needed.  See the sign up sheet on the ATC Facebook page to sign up for what you are bringing to the party.  This event is free to club members, $5 for guests.  Please be sure to register so we can get a good headcount for everything.

    To sign up for side dishes and desserts, click here: NEEDS AN UPDATED LINK FOR THIS


    • 11/09/2019
    • 8:00 AM
    • Villiage at Two Rivers, Odenton, MD


    ATC is dedicated to supporting our fallen heroes and honoring them with a wreath at their gravesite during this holiday season. The goal is to bring more wreaths to the Crownsville Veteran's Cemetery. There are over 20,000 grave sites in the cemetery and in 2018 through local support they were able to cover about 15,000 gravestones. This year we're hoping to cover all the sites.

    Come join us on Saturday, November 9th for a morning of fun and exercise.

    Cost is $40 with T-shirt or $30 without a T-shirt.

    Register before October 20th to ensure you receive a T shirt


    Find more details and keep up with the event progress on our Facebook Page:


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PO BOX 3714, Crofton Md 21114
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