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TRIATHLONS IN MICHIGAN 
2013 Triathlon Calendar
Our comprehensive triathlon calendar / triathlon finder listing for triathlons in United States and Michigan (MI). Find Full, Half, Olympic, Sprint distance triathlon races and more here.
| Triathlon Event (75) | City | Month | Map |
Race Type(s) |
| Livonia's Arctic Chill Indoor Triathlon | Livonia | January |  |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Canton | Canton | March | |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Commerce | Commerce | March | |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Novi | Novi | March | |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Rochester Hills | Rochester Hills | March | |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Shelby | Shelby Township | April | |
| Indoor | |
| Life Time Fitness Indoor Triathlon - Troy | Troy | April | |
| Indoor | |
| Sky-Tri | Ann Arbor | April |  |
| Sprint | |
| TRIpocalypse | Ann Arbor | April | |
| Sprint | |
| Ann Arbor Triathon | Pickney | May | |
| Sprint | Relay | |
| Island Lake Triathlon - Spring | Brighton | May |  |
| Olympic | Sprint | Relay | |
| Seahorse Challenge | Kalamazoo | May | |
| Olympic | Sprint | Relay | |
| XTERRA Last Stand | Augusta | May |  |
| Xterra | Relay | |
| Anyone Can TRI | Mt. Clemens | June | |
| Sprint | Relay | |
| Bear Lake Triathlon | North Muskegon | June | |
| Olympic | Sprint | Relay | |
| Big Fish Triathlon | Hadley Township | June | |
| Olympic | Sprint | Relay | |
| Double Time Triathlon | Vicksburg | June | |
| Sprint | Relay | |
| Grand Rapids Triathlon | Ada | June | |
| Half | Olympic | Sprint | |
| Gull Lake Triathlon | Hickory Corners | June | |
| Olympic | Sprint | Relay | |
| Hawk Island Triathlon | Lansing | June | |
| Sprint | |
| Holly Recreation Triathlon - Spring | Holly | June | |
| Olympic | Sprint | Relay | |
| Kids At Custer Triathlon | Portage | June |  |
| Kids | |
| Ludington Triathlon | Ludington | June | |
| Olympic | Sprint | Relay | |
| Mark Mellon Memorial Triathlon | Gaylord | June | |
| Olympic | Sprint | Relay | |
| Motor City Triathlon | Detroit | June | |
| Olympic | Sprint | Relay | |
| SuperKidsTry Motor City Triathlon | Detroit | June | |
| Kids | |
| Tri Goddess Tri | Grass Lake | June |  |
| Women | |
| Tri Kids Tri | Grass Lake | June | |
| Kids | |
| Triceratops Triathlon | Brighton | June | |
| Sprint | |
| XTERRA Torn Shirt | Brighton | June | |
| Xterra | Relay | |
| Yooper Sprint Triathlon | Hancock | June | |
| Sprint | Relay | |
| Beatles On The Bay Triathlon | Caseville | July | |
| Olympic | Sprint | Relay | |
| Bostwick Lake Triathlon | Rockford | July | |
| Sprint | |
| Clark Lake Triathlon | Clarklake | July | |
| Sprint | Relay | |
| Grand Haven Triathlon | Grand Haven | July | |
| Olympic | Sprint | Kids | Relay | |
| He Tried / She Tried / We Tried | Grass Lake | July | |
| Sprint | |
| Inter-Rockin Triathlon | Interlochen | July | |
| Olympic | Sprint | Relay | |
| Island Lake Novi Triathlon | Novi | July | |
| Sprint | |
| Little Traverse Triathlon | Harbor Springs | July |  |
| International | Kids | Relay | |
| Lumberman Triathlon | Cadillac | July | |
| Half | Olympic | Sprint | Relay | |
| Mackinaw Multi-Sport Mix | Mackinaw City | July | |
| International | Relay | |
| Pterodactyl Triathlon | Brighton | July | |
| Sprint | |
| Rockford Michigan Kids Triathlon | Rockford | July | |
| Kids | |
| SheROX Detroit Triathlon | Detroit | July | |
| Women | Relay | |
| Sister Lakes Triathlon | Dowagiac | July | |
| Olympic | Sprint | Relay | |
| Tri del Sol Triathlon | Middleville | July | |
| Sprint | Kids | Relay | |
| TriAllegan Triathlon | Allegan | July | |
| Sprint | Relay | |
| Village Triathlon | Clarkston | July | |
| Sprint | Relay | |
| Charlevoix Triathlon | Charlevoix | August | |
| Olympic | Sprint | Relay | |
| Copperman Triathlon | Copper Harbor | August | |
| Sprint | Relay | |
| Danskin Triathlon Series - Howell | Howell | August | |
| Women | Relay | |
| Eagle Lake Triathlon | Edwardsburg | August | |
| Sprint | Relay | |
| Girl's Best Friend Triathlon | Kalamazoo | August | |
| Olympic | Sprint | Relay | |
| Ironman 70.3 Steelhead | Benton Harbor | August |  |
| Half | |
| Island Lake Triathlon - Summer | Brighton | August | |
| Olympic | Sprint | Relay | |
| Kids Get Active Triathlon | Portage | August | |
| Kids | |
| Life Time Fitness Kids Triathlon - Rochester Hills | Rochester Hills | August | |
| Kids | |
| Ludington Lighthouse Triathlon | Ludington | August | |
| Olympic | Sprint | Relay | |
| Mi Titanium Triathlon | Grand Rapids | August | |
| Full | Half | Relay | |
| Millennium Triathlon | Grand Rapids | August | |
| Sprint | Kids | Relay | |
| Petoskey Triathlon | Petoskey | August | |
| Olympic | Sprint | Relay | |
| Sanford & Sun Triathlon | Sanford | August | |
| Olympic | Sprint | Relay | |
| Shermanator Triathlon | Augusta | August | |
| Sprint | Relay | |
| Stony Creek Triathlon | Shelby Township | August | |
| Off-Road | Relay | |
| T-Rex Triathlon | Brighton | August | |
| Sprint | |
| Three Rivers Triathlon | Three Rivers | August | |
| Olympic | Sprint | Relay | |
| Tri Goddess Tri Last Chance 2 Tri | Grass Lake | August | |
| Women | Relay | |
| 3 Disciplines Triathlon Festival | East Tawas | September | |
| Half | Olympic | Sprint | Relay | |
| Barefoot Triathlon | Acme | September | |
| Olympic | Sprint | Relay | |
| Boyne City Triathlon | Boyne City | September | |
| Olympic | Sprint | Relay | |
| Holly Recreation Triathlon - Fall | Holly | September | |
| Olympic | Sprint | Relay | |
| Island Lake Triathlon - Fall | Brighton | September | |
| Olympic | Sprint | Relay | |
| Niles Triathlon | Niles | September | |
| Olympic | Sprint | Relay | |
| Reeds Lake Triathlon | East Grand Rapids | September | |
| International | Relay | |
| XTERRA Marquette | Marquette | September | |
| Xterra | Relay | |
