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

  • Club Wide Twilight Tuesday Poolside HH

    July 24 @ 7:00 pm - 10:00 pm at Vida Fitness U Street

    Everybody’s favorite Poolside HH, Twilight Tuesday, is back! Please make sure to RSVP by 3:30pm on July 24th using the Eventbrite link. Choose the July 24th date when you register. Your name needs to be on the list to gain entry to the Penthouse. If you can’t make it, please make sure to cancel your.......

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
  • Jay Cochran

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