Trail running events across Ontario

Hamilton15 Milton9 Toronto5 Uxbridge5 Cambridge4 The Blue Mountains4 Thunder Bay4 Woolwich4 Fenelon Falls3 London3 Oro-Medonte3 Quinte West3 Town of Essex3 Waterloo3 Windsor3 Brampton2 Chatham2 Dufferin County2 Greater Sudbury2 Guelph2 Hillier2 Leamington2 Newmarket2 Ottawa2 Sarnia2 St. Catharines2 Welland2 Adjala–Tosorontio1 Ajax1 Alnwick/Haldimand1 Ashfield–Colborne–Wawanosh1 Aylmer1 Caledon1 Carleton Place1 Chatham-Kent1 Clarington1 Clearview1 Cobourg1 Cramahe1 Douro-Dummer1 Dunnville1 Dysart et al1 Elgin County1 Exeter1 Georgian Bluffs1 Grey Highlands1 Guelph/Eramosa1 Hamilton Township1 Hastings Highlands1 Kawartha Lakes1 Kincardine1 Kingsville1 Kitchener1 Lake of Bays Township1 Lambton Shores1 Laurentian Valley1 Mattawan1 Middlesex Centre1 Midland1 Mono1 Niagara-on-the-Lake1 North Bay1 North Frontenac1 North Kawartha1 Oakville1 Orangeville1 Paris1 Parry Sound1 Perth South1 Petawawa1 Peterborough1 Pickering1 Picton1 Puslinch1 Richmond Hill1 Russell1 Sudbury1 Tecumseh1 The North Shore Township1 Tweed1 Unorganized North Algoma1 Unorganized North Cochrane1 Unorganized North Nipissing1 Vaughan1 Wheatley1 Whitby1 Wilmot1