Underdog Flag Football Leagues are

Non-Contact & Receiver-based.

 

Play at the Seattle Center

Teams & Individual Sign Ups

 

Thursdays starting 1/16

8v8 Co-ed & 7v7 Men's

 

Sundays starting 1/19

8v8 Co-ed & 7v7 Men's

 

Tuesdays starting 1/21

8v8 Co-ed & 7v7 Men's

 

Company Holiday Party? Play Trivia!

In person or Virtual with Live Moderator

More Information Here

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!

 

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Flag Football
  Co-ed 8's (5 men and 3 women)

Winter Co-ed Flag Football at Seattle Center Thursdays

  • Locations: Seattle Center
  • • Day: Thursday • Starts: Thursday, January 16
More Info
More Info

Play Underdog Flag Football under the Space Needle! Can't play on the weekend? This weeknight league is for you!

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

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

1.16, 1.23, 1.30, 2.6, 2.13, 2.20, 2.27, 3.6

6:30 PM, 7:30 PM, 8:30 PM

Flag Football
  7 on 7 Non-Contact

Winter Gentlemens Flag Football at Seattle Center Thursdays

  • Locations: Seattle Center
  • • Day: Thursday • Starts: Thursday, January 16
More Info
More Info

Play Underdog Flag Football under the Space Needle! Can't play on the weekend? This weeknight league is for you!

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

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

1.16, 1.23, 1.30, 2.6, 2.13, 2.20, 2.27, 3.6

6:30 PM, 7:30 PM, 8:30 PM

Flag Football
  Co-ed 8's (5 men and 3 women)

Winter Co-ed Flag Football at Seattle Center Sundays

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 plus playoffs for those that qualify.

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

1.19, 1.26, 2.2, 2.16, 2.23, 3.2, 3.9, 3.16

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

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

Winter Gentlemen's Flag Football at Seattle Center Sundays

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 plus playoffs for those that qualify.

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

1.19, 1.26, 2.2, 2.16, 2.23, 3.2, 3.9, 3.16

4:00 PM, 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)

Winter Co-ed Flag Football at Seattle Center Tuesdays

  • Locations: Seattle Center
  • • Day: Tuesday • Starts: Tuesday, January 21
More Info
More Info

Play Underdog Flag Football under the Space Needle! Can't play on the weekend? This weeknight league is for you!

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

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

1.21, 1.28, 2.4, 2.11, 2.18, 2.25, 3.4, 3.11

6:30 PM, 7:30 PM, 8:30 PM

Flag Football
  7 on 7 Non-Contact

Winter Gentlemens Flag Football at Seattle Center Tuesdays

  • Locations: Seattle Center
  • • Day: Tuesday • Starts: Tuesday, January 21
More Info
More Info

Play Underdog Flag Football under the Space Needle! Can't play on the weekend? This weeknight league is for you!

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

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

1.21, 1.28, 2.4, 2.11, 2.18, 2.25, 3.4, 3.11

6:30 PM, 7:30 PM, 8:30 PM