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

Titles

High School Varsity/JV

  • Mario Kart 8 4v4

  • Marvel Rivals

  • Rocket League 3s

  • SSBU Crew Battles

Middle School Championship/Competitive

  • Mario Kart 8 4v4 (inc. Elementary)

  • Rocket League 3s (13+ only)

  • SSBU Crew Battles (inc. Elementary)

Star Division

  • Switch Sports Bowling

Game Rules

Competition Days

Monday: Rocket League MS, Smash Crews Varsity, Marvel Rivals JV, Switch Sports Badminton (matches on February 16 will be rescheduled for February 18)

Tuesday: Smash Crews JV, Rocket League Varsity, Mario Kart MS/E

Wednesday: Switch Sports Bowling, Mario Kart JV, Rocket League JV

Thursday: Marvel Rivals Varsity, Smash Crews MS/E, Mario Kart Varsity

Schedules

Mario Kart 4v4: VarsityJVMS ChampionshipMS Competitive

Marvel Rivals: Varsity C1Varsity C2JV

Rocket League 3s: VarsityJVMS Championship

Smash Crews: Varsity C1Varsity C2JVMS ChampionshipMS Competitive

Switch Sports Bowling: Star Division

Season Contacts

Mario Kart 8 4v4:

  • TO: Amanda Galloway

    • rblamanda / mariokart@mosef.org

  • Assistant TO: Gary Micke, Potosi High School

    • lordsaitamaog

Marvel Rivals:

  • TO: Kevin Clevenger, Blue Springs High School

    • drego84 / marvelrivals@mosef.org

  • Assistant TO: Jacob Fletcher, DCR1

    • bumpysquirrel

Rocket League 3s:

  • TO: Sean Lebron, Doniphan R1

    • doniphanr1seanl / rocketleague@mosef.org

  • Assistant TO: unfilled

SSBU Crew Battles:

  • TO: Amy Harris, Hart Career Center

    • hcc_queen__honeybee / smash@mosef.org

  • Assistant TO: Collin Todd, Webster Groves High School

    • colontoad

Star Division

  • TO: Amy Harris, Hart Career Center

    • hcc_queen__honeybee / smash@mosef.org

  • Assistant TO: unfilled

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

Reschedule Guidelines

All reschedules for existing dates must be documented by February 27 (request form).

  • 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.

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.

Mario Kart 8 4v4

Marvel Rivals

Rocket League 3s

SSBU Crew Battles

PLayoff Schedules

All games EXCEPT Star Division:

  • The top team from each 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

All playoff brackets will be seeded by the season record! Please see game rules for tiebreaker explanations.

Postseason brackets will be posted after the conclusion of the regular season.