Underdog Flag Football Leagues are

Non-Contact & Receiver-based.

Late Fall leagues are open for Registration!

 

Play under the Space Needle at Seattle Center!

Co-ed and Men's divisons

Sundays 11/12

Mondays 11/27

Tuesdays 11/14

 

NEW VOLLEYBALL LOCATION!

North Seattle CC

Saturdays 10/7

 

Follow Underdog!

#UnderdogSeattle #MoreFriendsMoreFun

Flag Football Home Page

Why Underdog Flag Football?

Why Underdog Flag Football?

Underdog Sports Leagues offers year-round 21+ Recreational non-contact Flag Football Leagues located throughout the greater Seattle area. Seasons last 6 weeks plus playoffs for qualifying teams with games running 1 hour long (two 20-minute halves).  

 

Registration includes:

  • Team webpage with team photos, game-by-game team record & league standings
  • Unique game schedule based on the team's skill level
  • Sponsor Bars for postgame celebrations

 

On Field Perks:

  • Play under the Space Needle at the Seattle Center Memorial Stadium
  • Non-contact, receiver-based league, specifically designed to avoid injury
  • Minimum of 3 of each gender required for a legal Co-ed team roster
  • No gender ratio requirements for a legal Men's team roster
  • Trained Referees
  • Flag belts provided

 

Play on the field with 8 players in Co-ed leagues and 7 players for Men's leagues. Don't stress about the Team Balance by sending TeamPayer dues to your teammates with your team's Funlink.

 

Sign up solo or with a small group by registering as Individuals!

 

Welcome to Underdog! Interested in Flag Football?

Subscribe to our newsletter for deals & updates

 
Flag Football
  7 on 7 Non-Contact - Rosters Up to 12 Players

Late Fall Gentlemen's Flag Football at Seattle Center Sundays

  • Locations: Seattle Center
  • • Day: Sunday • Starts: Sunday, November 12
More Info
More Info

Play Underdog Flag Football under the Space Needle! Our largest league starts up again soon!

Each team will be guaranteed 6 games over 5 weeks plus playoffs for those that qualify.

Sign up today, and we will see you out on the field!

11.12, 11.19, 12.3, 12.10, 12.17, 1.7

5:00 PM, 6:00 PM, 7:00 PM, 8:00 PM, 9:00 PM

Flag Football
  Co-ed 8's (5 men and 3 women) - Rosters Up to 14 Players

Late Fall Co-ed Flag Football at Seattle Center Sundays

  • Locations: Seattle Center
  • • Day: Sunday • Starts: Sunday, November 12
More Info
More Info

Play Underdog Flag Football under the Space Needle! Our largest league starts up again soon!

Each team will be guaranteed 6 games over 5 weeks plus playoffs for those that qualify.

Sign up today, and we will see you out on the field!

11.12, 11.19, 12.3, 12.10, 12.17, 1.7

2:00 PM, 3:00 PM, 4:00 PM, 5:00 PM

Flag Football
  Co-ed 8's (5 men and 3 women) - Rosters Up to 14 Players

Late Fall Co-ed Flag Football at Seattle Center Tuesdays

More Info
More Info

One more option for you spring footballers!!! Weekday flag football is back in Seattle. Get out on the field at our most popular facility. 6 games plus playoffs for those teams that qualify. Can't play on the weekends? Here's one more option for you to get your flag football fix.

Note: Games on 11/15 will be played at Nathan Hale High School

11.14, 11.21, 11.28, 12.5, 12.12, 12.19, 1.2, 1.9

6:00 PM, 6:30 PM, 6:45 PM, 7:00 PM, 7:30 PM, 7:45 PM, 8:00 PM, 8:30 PM, 8:45 PM, 9:00 PM, 9:30 PM, 9:45 PM

Flag Football
  7 on 7 Non-Contact - Rosters Up to 12 Players

Late Fall Gentlemens Flag Football at Seattle Center Tuesdays

More Info
More Info

One more option for you spring footballers!!! Weekday flag football is back in Seattle. Get out on the field at our most popular facility. 6 games plus one week of playoffs for those teams that qualify. Can't play on the weekends? Here's one more option for you to get your flag football fix.

NOTE: Games on 11/15 will be played at Nathan Hale High School

11.14, 11.21, 11.28, 12.5, 12.12, 12.19, 1.2, 1.9

6:00 PM, 6:30 PM, 6:45 PM, 7:00 PM, 7:30 PM, 7:45 PM, 8:00 PM, 8:30 PM, 8:45 PM, 9:00 PM, 9:30 PM, 9:45 PM

Flag Football
  Co-ed 8's (5 men and 3 women) - Rosters Up to 14 Players

Late Fall Co-ed Flag Football at Seattle Center Mondays

More Info
More Info

Weekday Flag Football is back in Seattle. 6 games over 4 weeks plus playoffs for those teams that qualify.

Can't play on the weekends? Here's one more option for you to get your Flag Football fix.

11.27, 12.4, 12.11, 12.18, 1.8

6:00 PM, 6:30 PM, 6:45 PM, 7:00 PM, 7:30 PM, 7:45 PM, 8:00 PM, 8:30 PM, 8:45 PM, 9:00 PM, 9:30 PM

Flag Football
  7 on 7 Non-Contact - Rosters Up to 12 Players

Late Fall Gentlemens Flag Football at Seattle Center Mondays

  • Locations: Seattle Center
  • • Day: Monday • Starts: Monday, November 27
More Info
More Info

Weekday Flag Football is back in Seattle. 6 games over 4 weeks plus playoffs for those teams that qualify.

Can't play on the weekends? Here's one more option for you to get your Flag Football fix.

11.27, 12.4, 12.11, 12.18, 1.8

6:00 PM, 6:30 PM, 6:45 PM, 7:00 PM, 7:30 PM, 7:45 PM, 8:00 PM, 8:30 PM, 8:45 PM, 9:00 PM, 9:30 PM