International Cluster of Dog Shows sniffs out winners

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Diane EversSchaumburg Ill. works with her dog WinstChurchill during nose work class For Your K9 Melrose Park Ill. Thursday February

Diane Everson, of Schaumburg, Ill., works with her dog Winston Churchill during a nose work class at For Your K9 in Melrose Park, Ill., on Thursday, February 14, 2013. | Andrew A. Nelles~Sun-Times Media

Becky Jankowski Downers Grove Ill. works with her dog Bonnie as she finds scent target during nose work class For

Becky Jankowski, of Downers Grove, Ill., works with her dog Bonnie, as she finds a scent target, during a nose work class at For Your K9 in Melrose Park, Ill., on Thursday, February 14, 2013. | Andrew A. Nelles~Sun-Times Media

Instructor Sue Sentowski (right) talks with Diane EversSchaumburg who has enrolled her dog WinstChurchill nose work class For Your

Instructor Sue Sentowski (right) talks with Diane Everson of Schaumburg who has enrolled her dog Winston Churchill in a nose work class at For Your K9 in Melrose Park. | Andrew A. Nelles~Sun-Times Media

Becky Jankowski Downers Grove Ill. her dog Jamie during nose work class For Your K9 Melrose Park Ill. Thursday February

Becky Jankowski, of Downers Grove, Ill., and her dog Jamie during a nose work class at For Your K9 in Melrose Park, Ill., on Thursday, February 14, 2013. | Andrew A. Nelles~Sun-Times Media

Becky Jankowski Downers Grove Ill. her dog Bonnie during nose work class For Your K9 Melrose Park Ill. Thursday February

Becky Jankowski, of Downers Grove, Ill., and her dog Bonnie during a nose work class at For Your K9 in Melrose Park, Ill., on Thursday, February 14, 2013. | Andrew A. Nelles~Sun-Times Media

Instructor Sue Sentowski (left) works with dog owner Diane EversSchaumburg Ill. during nose work class For Your K9 Melrose Park

Instructor Sue Sentowski (left) works with dog owner Diane Everson, of Schaumburg, Ill., during a nose work class at For Your K9 in Melrose Park, Ill., on Thursday, February 14, 2013. | Andrew A. Nelles~Sun-Times Media

Jeff Arch — breeder handler co-owner — works with Reign. The dog is owned by DNancy Keane Jeff RebeccArch. DKeane

Jeff Arch — the breeder, handler and co-owner — works with Reign. The dog is owned by Don and Nancy Keane and Jeff and Rebecca Arch. Don Keane also owns the Stray Bar in Frankfort. | Supplied photo

It’s the latest trend in canine competition, a fast-growing extracurricular where dogs of any size and age can compete. The sport called “nose work” pits dogs’ sniffers against each other in the search for scent. Families attending the 2013 International Cluster of Dog Shows at …