Flyball links:

NAFA

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North American Flyball Association - NAFA is a Flyball governing body that promotes the rules for amateur Flyball competition, trains and approves judges, sanctions Flyball tournaments, and awards titles.
http://www.flyball.org/

U-FLI

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United Flyball League International - U-FLI is a sanctioning and titling organization for flyball enthusiasts. U-FLI is headquartered in Las Vegas, NV.
http://www.u-fli.com/

Disc Dog Links:

UFO

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The UFO is an organization dedicated to promoting the sport of canine disc. The UFO people create a series of events that all mesh together into a globe-spanning series titled the UFO World Cup.
http://www.ufoworldcup.org/

Skyhoundz

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Skyhoundz - "The center of the disc dog universe."
http://www.skyhoundz.com/

Other Clubs We Like:

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Colorado Disc Dogs
http://coloradodiscdogs.com/

DISC

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Disc Dogs in Southern California
http://d2isc.com/