IMPACT Magazine — publisher of the original and largest printed annual Race Source Guide has been the go-to event guide publication for readers across Canada for over 27 years. It is available to over 250,000 racers and participants in Canada in print, and here online. IMPACT is proud to sponsor more than 300 events per year with magazines and great prizing.

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Submissions for the 2019 RACE SOURCE GUIDE calendar are now closed. For more information on how to include your event in the future, please contact

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Jasper, Alberta Canada
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