For more information on the the return of an Underdog Summer, click here
Looking for past Leagues & Tournaments? Check out the League & Tournament Archives Archives

Filter by Sport

Filter by Day

Filter by Location

Just open for registration
Just current schedules

Late Spring Co-ed Volleyball at Seattle Central Tuesdays

Learn More

Late Spring Midcore Volleyball at First Baptist Wednesdays

Learn More

Late Spring Co-ed Volleyball at Seattle Central Thursdays

Learn More

Summer Softcore Kickball in Eastlake Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Rogers PG
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Softcore Kickball in West Seattle Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Fairmont Park
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Co-ed Kickball at Ballard Boys & Girls Club Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Ballard Boys & Girls Club
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Softcore Kickball at Denny Park Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Denny Park
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Softcore Kickball in Fremont Mondays/Tuesdays

Learn More

Summer Co-ed Softball at Interbay Mondays/Wednesdays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Interbay Playfield
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Co-ed Softball at Lower Woodlands Weekdays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Lower Woodland PF
  • Days of the week: Monday, Tuesday, Wednesday, Thursday
  • Started on : Started on Monday, June 15

Summer Co-ed Softball on Capitol Hill Mondays/Wednesdays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Bobby Morris
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 15

Summer Midcore Volleyball at First Baptist Mondays

Learn More
  • Sport: Volleyball
  • Format: Co-ed 6's (3 men and 3 women) - Rosters Up To 10 Players
  • Locations: First Baptist - Capitol Hill
  • Days of the week: Monday
  • Started on : Started on Monday, June 15

Summer Softcore Kickball in Ravenna Tuesdays/Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Ravenna Park Ballfield
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 16

Summer Softcore Kickball at Ballard Boys & Girls Club Tuesdays/Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Ballard Boys & Girls Club
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 16

Summer Softcore Kickball at Denny Park Tuesdays/Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Denny Park
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 16

Summer Co-ed Kickball In Eastlake Tuesdays/Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Rogers PG
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 16

Summer Co-ed Softball on Capitol Hill Tuesdays/Thursdays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Bobby Morris
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 16

Summer Co-ed Softball at Queen Anne/Interbay Tuesdays/Thursdays

Learn More

Summer Midcore Volleyball at First Baptist Tuesdays

Learn More
  • Sport: Volleyball
  • Format: Co-ed 6's (3 men and 3 women) - Rosters Up To 10 Players
  • Locations: First Baptist - Capitol Hill
  • Days of the week: Tuesday
  • Started on : Started on Tuesday, June 16

Summer Midcore Volleyball at First Baptist Wednesdays

Learn More
  • Sport: Volleyball
  • Format: Co-ed 6's (3 men and 3 women) - Rosters Up To 10 Players
  • Locations: First Baptist - Capitol Hill
  • Days of the week: Wednesday
  • Started on : Started on Wednesday, June 17

Summer Midcore Volleyball in Wallingford Wednesdays

Learn More
  • Sport: Volleyball
  • Format: Co-ed 6's (3 men and 3 women) - Rosters Up To 10 Players
  • Locations: Wallingford Boys & Girls Club
  • Days of the week: Wednesday
  • Started on : Started on Wednesday, June 17

Summer Bocce Ball in Greenlake Thursdays

Learn More
  • Sport: Bocce Ball
  • Format: Co-ed 6's (3 men and 3 women)
  • Locations: Woodland Park Lawn Bowling Club
  • Days of the week: Thursday
  • Started on : Started on Thursday, June 18

Summer Softcore Kickball in Everett Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Kasch Park
  • Days of the week: Thursday
  • Started on : Started on Thursday, June 18

Summer Softcore Volleyball at First Baptist Thursdays

Learn More
  • Sport: Volleyball
  • Format: Co-ed 6's (3 men and 3 women) - Rosters Up To 10 Players
  • Locations: First Baptist - Capitol Hill
  • Days of the week: Thursday
  • Started on : Started on Thursday, June 18

Summer Co-ed Softball at Lower Woodlands Fridays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Dahl Playfield, Lower Woodland PF
  • Days of the week: Friday
  • Started on : Started on Friday, June 19

Summer Co-ed Softball at Greenlake Saturdays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Greenlake, Lower Woodland PF
  • Days of the week: Saturday
  • Started on : Started on Saturday, June 20

Summer Gentlemen's Flag Football at Ballard HS Sundays

Learn More
  • Sport: Flag Football
  • Format: 7 on 7 Non-Contact - Rosters Up to 12 Players
  • Locations: Ballard HS
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Flag Football at Ballard HS Sundays

Learn More
  • Sport: Flag Football
  • Format: Co-ed 8's (5 men and 3 women) - Rosters Up to 14 Players
  • Locations: Ballard HS
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Kickball at Ballard Boys & Girls Club Sundays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Ballard Boys & Girls Club
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Softball at Queen Anne Sundays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: W Queen Anne Playfield
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Softball in North Greenlake Sundays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Eagle Staff Middle School
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Softball at Greenlake Sundays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Greenlake
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Co-ed Softball at Northacres Sundays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Northacres
  • Days of the week: Sunday
  • Started on : Started on Sunday, June 21

Summer Softcore Kickball in Ravenna Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Ravenna Park Ballfield
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 22

Summer Softcore Kickball Downtown Mondays/Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Cascade Playfield
  • Days of the week: Monday, Wednesday
  • Started on : Started on Monday, June 22

Summer Gentlemen's Flag Football at Juanita HS Tuesdays

Learn More
  • Sport: Flag Football
  • Format: 7 on 7 Non-Contact - Rosters Up to 12 Players
  • Locations: Juanita HS
  • Days of the week: Tuesday
  • Started on : Started on Tuesday, June 23

Summer Co-ed Flag Football at Juanita HS Tuesdays

Learn More
  • Sport: Flag Football
  • Format: Co-ed 8's (5 men and 3 women) - Rosters Up to 14 Players
  • Locations: Juanita HS
  • Days of the week: Tuesday
  • Started on : Started on Tuesday, June 23

Summer Softcore Kickball Downtown Tuesdays/Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Cascade Playfield
  • Days of the week: Tuesday, Thursday
  • Started on : Started on Tuesday, June 23

Underdog Trivia - Tuesday 6/23

Learn More
  • Sport: Trivia
  • Locations: Zoom Web Conference
  • Days of the week: Tuesday
  • Started on : Started on 6/23

Underdog Trivia - Friday 6/26

Learn More
  • Sport: Trivia
  • Locations: Zoom Web Conference
  • Days of the week: Friday
  • Started on : Started on 6/26

Underdog Trivia - Tuesday 6/30

Learn More
  • Sport: Trivia
  • Locations: Zoom Web Conference
  • Days of the week: Tuesday
  • Started on : Started on 6/30

Late Summer Co-ed Beach Volleyball at Alki Wednesdays

Learn More
  • Sport: Beach Volleyball
  • Format: Co-ed 4's (2 men and 2 women)
  • Locations: Alki Beach
  • Days of the week: Wednesday
  • Started on : Started on Wednesday, July 1

Underdog Kickball Derby

Learn More
  • Sport: Kickball
  • Format: Teams of 5 Players
  • Locations: Lower Woodland PF
  • Days of the week: Monday, Tuesday, Wednesday, Thursday
  • Started on : Started on Wednesday, July 1

Underdog Softball Derby

Learn More
  • Sport: Softball
  • Format: Teams of 5 Players
  • Locations: Lower Woodland PF
  • Days of the week: Monday, Tuesday, Wednesday, Thursday
  • Started on : Started on Wednesday, July 1

Late Summer Co-ed Beach Volleyball at Golden Gardens Thursdays

Learn More
  • Sport: Beach Volleyball
  • Format: Co-ed 4's (2 men and 2 women)
  • Locations: Golden Gardens
  • Days of the week: Thursday
  • Started on : Started on Thursday, July 2

Late Summer Co-ed Beach Volleyball at Alki Mondays

Learn More
  • Sport: Beach Volleyball
  • Format: Co-ed 4's (2 men and 2 women)
  • Locations: Alki Beach
  • Days of the week: Monday
  • Starts on : Starts on Monday, July 6

Late Summer Co-ed Beach Volleyball at Golden Gardens Mondays

Learn More
  • Sport: Beach Volleyball
  • Format: Co-ed 4's (2 men and 2 women)
  • Locations: Golden Gardens
  • Days of the week: Monday
  • Starts on : Starts on Monday, July 6

Late Summer Co-ed Beach Volleyball at Golden Gardens Tuesdays

Learn More
  • Sport: Beach Volleyball
  • Locations: Golden Gardens
  • Days of the week: Tuesday
  • Starts on : Starts on 7/7

Underdog Trivia - Tuesday 7/7

Learn More
  • Sport: Trivia
  • Format: Teams of 3-8 Players
  • Locations: Zoom Web Conference
  • Days of the week: Tuesday
  • Starts on : Starts on Tuesday, July 7

Underdog Trivia League Thursdays 6:30pm

Learn More
  • Sport: Trivia
  • Format: Teams of 3-8 Players
  • Locations: Zoom Web Conference
  • Days of the week: Thursday
  • Starts on : Starts on Thursday, July 9

Underdog Trivia - Friday 7/10

Learn More
  • Sport: Trivia
  • Format: Teams of 3-8 Players
  • Locations: Zoom Web Conference
  • Days of the week: Friday
  • Starts on : Starts on Friday, July 10

Underdog Flag Football Combine - Sunday 7/12

Learn More
  • Sport: Flag Football
  • Format: Teams of 5 Players
  • Locations: Roosevelt HS
  • Days of the week: Sunday
  • Starts on : Starts on Sunday, July 12

Summer Co-ed Softball In West Seattle Sundays

Learn More
  • Sport: Softball
  • Format: Co-ed 10's (6 men and 4 women) - Rosters Up to 15 Players
  • Locations: Hiawatha Playfield
  • Days of the week: Sunday
  • Starts on : Starts on Sunday, July 12

Red Rubber Showdown 17

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Greenlake, Lower Woodland PF
  • Days of the week: Saturday
  • Starts on : Starts on Saturday, July 18

Late Summer Co-ed Kickball at Lower Woodlands Thursdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Lower Woodland PF
  • Days of the week: Thursday
  • Starts on : Starts on Thursday, July 30

Late Summer Co-ed Kickball at Lower Woodlands Mondays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Lower Woodland PF
  • Days of the week: Monday
  • Starts on : Starts on Monday, August 3

Late Summer Co-ed Kickball at Lower Woodlands Tuesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Lower Woodland PF
  • Days of the week: Tuesday
  • Starts on : Starts on Tuesday, August 4

Late Summer Co-ed Kickball at Lower Woodlands Wednesdays

Learn More
  • Sport: Kickball
  • Format: Co-ed 10's (6 men and 4 women)
  • Locations: Lower Woodland PF
  • Days of the week: Wednesday
  • Starts on : Starts on Wednesday, August 5