Spring 2026 At a Glance
Many of these documents are only available to MOSEF coaches listed on a an active school profile.
If you need to request access, please be sure to identify your school in the request!
If you are not listed on the profile, you will be asked to have your general manager add you before you will be added.
REGISTRATION IS CLOSED
Confirm your registration
Copy the registration checklist
To register, you will need your quiz score and your roster (on the registration page)!
Important Dates
Preseason Week 1: February 9-13
Registration due: February 13 (includes rosters and quizzes)
Preseason Week 2: February 16-20 (matches on February 16 will be rescheduled for February 18)
Season Schedules Available: February 20
Regular season: February 23-April 10
Reschedule Requests Due: February 27
Buffer week: April 13-17
Postseason: April 20-May 8 (playoffs and opening rounds of state)
Spring Showdown: May 15-16
Reschedule Guidelines
All reschedules for existing dates must be documented by February 27 (form closed).
Applies to things like spring break, PD days, school plays, band concerts, etc.
Does NOT apply to weekly events like other sports/activities
Both coaches must agree.
If a reschedule date cannot be agreed on, the school who cannot make default time will forfeit.
Reschedules for existing dates requested after February 27 will not be approved unless there are extenuating circumstances ("We forgot" doesn't count!).
For emergency reschedules (inclement weather, illness, infrastructure failure, etc.), contact the TO and the opposing coach immediately.
These will be approved on a case-by-case basis.
Teams forfeiting more than one match will be ineligible for playoffs.
All rescheduled matches must be completed no later than April 17.
Mario Kart 8 4v4
♦ HS Varsity
Thursdays
♦ HS JV
Wednesdays
♦ MS Championship
Tuesdays
♦ MS Competitive/Elementary
Tuesdays
♦ Contact
TO: Amanda Galloway, T.S. Hill Middle School
rblamanda / mariokart@mosef.org
♦ Rules
♦ Preseason
It is mandatory for each team to participate in at least one week of preseason! Teams who do not participate will not be scheduled for the regular season.
You must sign up to be scheduled to ensure everyone has an opponent that will be present.
♦ Postseason
The top team from each Varsity and MS Championship section will move on to the Spring Showdown. The top four teams in each class will attend the in-person Spring Showdown. If there are more than four sections in your class, you will play the first round of the Spring Showdown online.
Postseason matches will take place on the same day of the week as regular season matches.
All playoff brackets will be seeded by the season record! Please see game rules for tiebreaker explanations.
Postseason brackets will be posted at the conclusion of the regular season.
Marvel Rivals
♦ HS Varsity
♦ HS JV
Mondays
♦ Contact
TO: Kevin Clevenger, Blue Springs High School
drego84 / marvelrivals@mosef.org
Assistant TO: Jacob Fletcher, DCR1
bumpysquirrel
♦ Rules
♦ Preseason
It is mandatory for each team to participate in at least one week of preseason! Teams who do not participate will not be scheduled for the regular season.
You must sign up to be scheduled to ensure everyone has an opponent that will be present.
♦ Postseason
The top team from each Varsity section will move on to the Spring Showdown. The top four teams in each class will attend the in-person Spring Showdown. If there are more than four sections in your class, you will play the first round of the Spring Showdown online.
Postseason matches will take place on the same day of the week as regular season matches.
All playoff brackets will be seeded by the season record! Please see game rules for tiebreaker explanations.
Postseason brackets will be posted at the conclusion of the regular season.
Rocket League 3s
♦ HS Varsity
Tuesdays
♦ HS JV
Wednesdays
♦ MS Championship
Mondays
♦ Contact
TO: Sean Lebron, Doniphan R1
doniphanr1seanl / rocketleague@mosef.org
♦ Rules
♦ Preseason
It is mandatory for each team to participate in at least one week of preseason! Teams who do not participate will not be scheduled for the regular season.
You must sign up to be scheduled to ensure everyone has an opponent that will be present.
♦ Postseason
The top team from each Varsity and MS Championship section will move on to the Spring Showdown. The top four teams in each class will attend the in-person Spring Showdown. If there are more than four sections in your class, you will play the first round of the Spring Showdown online.
Postseason matches will take place on the same day of the week as regular season matches.
All playoff brackets will be seeded by the season record! Please see game rules for tiebreaker explanations.
Postseason brackets will be posted at the conclusion of the regular season.
SSBU Smash Crew Battles
♦ HS Varsity
♦ HS JV
Tuesdays
♦ MS Championship
Thursdays
♦ MS Competitive/Elementary
Thursdays
♦ Contact
TO: Amy Harris, Hart Career Center
hcc_queen__honeybee / smash@mosef.org
Assistant TO: Collin Todd, Webster Groves High School
colontoad
♦ Rules
♦ Preseason
It is mandatory for each team to participate in at least one week of preseason! Teams who do not participate will not be scheduled for the regular season.
You must sign up to be scheduled to ensure everyone has an opponent that will be present.
♦ Postseason
The top team from each Varsity and MS Championship section will move on to the Spring Showdown. The top four teams in each class will attend the in-person Spring Showdown. If there are more than four sections in your class, you will play the first round of the Spring Showdown online.
Postseason matches will take place on the same day of the week as regular season matches.
All playoff brackets will be seeded by the season record! Please see game rules for tiebreaker explanations.
Postseason brackets will be posted at the conclusion of the regular season.
Switch Sports Bowling
♦ Star Division
Fridays (asynchronous due date)
♦ Contact
TO: Amy Harris, Hart Career Center
hcc_queen__honeybee / smash@mosef.org
CTE CHallenges
The following CTE Challenges are due during the spring season:
March 27
Graphic Design: MOSEF Season Graphics (Spring)
Video Editing
April 10
Event Planning (Spring)
Graphic Design: Team Stream Package (Spring)
Shoutcasting (Spring)
April 25
Programming