MoCo Mafia is a community group for DC Tri Club members who live, work, and train in and around Montgomery County. You'll find race info, training opportunities, and just plain frivolity. Come train and have fun with us! This community group is open to all Club members who request to join.

DC Triathlon Club

Upcoming Events

DC Triathlon Club

  • 2023 DCTriClub Splash n’ Dash & Pool Party

    June 24 @ 8:00 am - 12:00 pm at Raymond A. DuFour Center

    THIS EVENT IS CURRENTLY TENTATIVE Join us on Saturday June 24th for a splash and dash! Club members will swim 300 yards followed by a 2.4 mile run. Participants will.......

  • 2023 DCTriClub Fall Time Trial #1

    September 17 @ 7:30 am - 10:00 am at Hains Point, East Potomac Park

    Join us on Sunday September 17th for a flat and fun bike, bike and more bike! Club members will have the option of two distances: 12.8 miles (4 loops) or.......

To view the full list of MoCo Mafia Group events, visit their calendar page:

MoCo Mafia Community Group Calendar»

About the MoCo Mafia


  • Jeff Halper

Social Events

  • Happy hours and other social events are in the works and will be announced in the weekly DCTC Newsletter and on our Facebook page.

Training Events

  • Swimming, biking, and running events will be announced in the weekly DCTC Newsletter and on our Facebook page.

Opting In To The MoCo Mafia

Club members can opt in to a community group via their Club profile. To opt in, log in to your account. Click on "My Account" in the upper right corner of the page. Select the option for "Public Profile". Check the box for as many community groups as you would like, this will opt a person into the group.

Once you've opted in, you may also request access to the MoCo Mafia group Facebook page, where you can interact with other group members.

MoCo Mafia Gallery

Coming Soon