Brazilian Jiu-Jitsu and boxing in Appleton

For adults and kids, and for complete beginners. Most of our members walked in with no martial arts experience.

Your first class is free.

About forty Flashback members in white, blue and black gis lined up on the yellow mats, under the Flashback and Team Vaghi logos on the wall

Classes

Train one program or cross-train in several. Beginners are welcome in every program, and your first class is free.

All classes

Black-belt instruction

Most adult jiu-jitsu classes are taught by black belt William “Bill” Krieg, who has trained since 1997 and taught since 2000.

Flashback trains as part of Team Vaghi.

Three black belt coaches in gis with their arms around each other, in front of the Team Vaghi logo

Military and law enforcement

Veterans and officers train here alongside everyone else, and we support the organizations that help them do it.

Military & LEO

Get started

Call or text, come in, try a class. You’ll be greeted with a smile and a handshake.

Your first class

  1. Call or text Jina at 920-205-8118 and pick a class from the schedule.
  2. Wear something comfortable you can move in. You don’t need any gear.
  3. Arrive early enough to fill out a waiver and change.
  4. Train. Sparring is optional until you feel ready.
Get started

Reviews

We’d rather you hear it from our members than from us.

Find us

2310 W. College Ave., Suite G
Appleton, WI 54914

On College Ave at Perkins St. Suite G is at the north end of the building.

Book a free first class

Call or text Jina at 920-205-8118 and say which class you’d like to try.

Wear something comfortable. You don’t need any gear for your first class.