The Event

Grand Slam Club




Past Events






Wifflemania is an annual wiffleball tournament coordinated by the Peters family and benefits The Margaret Peters Memorial Fund. The tournament is played on 10 fields in a round robin format. The top two teams from each field advance to a 16-team single elimination bracket to determine a final champion.


Composition of Teams

This is a co-ed tournament and teams

can have an unlimited number of members. You can only field 6 at a time of which 2 must be female. All team members can bat rotating male/female. All team members must sign a roster & waiver upon arrival at the tournament at which time they will receive their t-shirt.


Tournament Rules


Field Dimensions



10:00 am Registration

11:00 am Opening Ceremonies

11:30 am Tournament

6:00 pm Finals



Individual awards will be given to the team members of the 1st & 2nd place teams.



We may sell raffle tickets or conduct a silent auction at the tournament so bring your wallet!

Register in Advance

Hurry! Only a limited number of teams are accepted. Registration Form

You must provide all information at time of registration - particularly your team name. Also, you can mail in your entrance fee in advance if you choose to do so. Make checks payable to The Margaret Peters Memorial Fund.


Entry Fee

$200 for up to 8 players and $20 per each additional player. The entry fee entitles each team to a minimum of 3 games and a T-shirt.


Grand Slam Club Field Sponsorship

$400 per field which includes naming the field after the sponsor; the entrance fee for one team; and lots of other benefits. Please call for details.



Tournament Coordinators:

Scott & Julie Peters

Phone 513-624-8744

Fax 513-624-0216

Email: wifflemania@zoomtown.com

Address: 1526 Huntcrest

Cincinnati, OH 45255



Spectators and non-participants are welcome and encouraged to come out and support the cause.

Wifflemania t-shirts are usually for sale; raffle tickets may be sold throughout the day along with great silent auction items to bid on.


Problems or questions on

tournament day?

Call us at

Scott - 513-460-3002

Julie - 513-460-3004


A very special thanks to all our supporters!