The Washington Senators, founded in 1999, is the only nationally competitive 15U, 16U - 18U fast pitch softball tournament program in the Nation's Capital. The Senators have represented the city locally, regionally and nationally at the 2002 - 2010 Pony National Softball Championships including teams from around the nation, Pueto Rico, Russia, Mexico and Canada. The Senators teams also qualified for the 2005 and 2006 Winter World Championship in Orlando, FL and the 2007 and 2008 ASA National Championship tournaments. In 2011 the Senators competed in the ESPN Rise Games World Softball Championship where they upset the CA Bat Busters, ranked #1 in the USSSA 18u bracket.

 In nearly 15 years of operation the team has gone from an inexperienced group of 8-10 year old girls practicing in the shadow of the US Capitol to establishing a nationally recognized softball program with nearly 4 dozen college recruited players found in D1-D3 conferences from the Ivy League to the ACC. The Senators have finished in the top 20 USSSA or PONY national rankings nine times, twice finishing in the final four and has high as second in a USSSA National Championship. In 2004 the 14U team was ranked 1st nationally in USSSA tournament play and was the top seed at the 2004 World Series. In 2006 the 15U team ranked at the top of USSSA 15U and 16U "A" teams nationally by a wide margin. In 2007 and 2009 the Senators ranked in the PONY Top Ten and in 2011 in ESPN Rise Top 20.

The Senators organization is active in the DC coalition to bring more baseball and softball facilities and opportunities to DC's children and young adults. In 2007 the organization established a college scholarship program to assist former Senators players active on the college softball circuit with grants for education related expenses. The Senators are registered with USSSA, PONY, WFC, and ASA for national tournament play and travel much of the year from New England to the Southeast to the Midwest playing national tournament competition at the 16U - 18U age level. More than 40 former players have been recruited early decision to compete at the D1-D3 level of college softball due largely to the Senators participation in the top NFCA College Showcase Tournaments each year.