2025 Calendar of Events

Click on an event’s logo to go to its website.

Want to help out? Click here to volunteer!

  1. December 2025
  2. November 2025
  3. October 2025
  4. September 2025
  5. August 2025
  6. July 2025
  7. June 2025
  8. May 2025
  9. April 2025
  10. March 2025
  11. February 2025
  12. January 2025

December 2025

DateOrganizerEventCityEvent Site
December 6RF EventsHoliday Hustle 5K/Half marathonDexterHoliday Hustle

November 2025

DateOrganizerEventCityEvent Site
November 8
RF EventsBonfyre Trail FestChelseaBonfyre Trail Fest
November 9Epic RacesAnn Arbor Turkey TrotDexter
A2 Turkey Trot logo
November 27RF EventsTurkey TrotAnn ArborRF Turkey Trot

October 2025

DateOrganizerEventCityEvent Site
October 5RF EventsScrumpy Skedaddle 5K/10KFlushingScrumpy Skedaddle
October 11RF EventsRun Scream Run 5K/10KYpsilantiRun Scream Run
October 12Epic RacesAnn Arbor MarathonAnn Arbor
October 25RF EventsThe LegendLaingsburg

September 2025

DateOrganizerEventCityEvent Site
September 5-6RF EventsRun WoodstockGregoryRun Woodstock
September 20RF EventsDances with Dirt – HellHellDWD Hell
September 21Epic RacesWomen Run the D Half MarathonBelle IsleWomen Run the D logo

August 2025

DateOrganizerEventCityEvent Site
August 2RF EventsFlirt with Dirt 5K/10KNoviFlirt with Dirt
August 9RF EventsRunning Between the VinesJacksonRunning Between the Vines
August 17Epic RacesSwim to the MoonHalfmoon Lake
August 20RF EventsT-Rex TriBrightonT-Rex Triathlon

July 2025

DateOrganizerEventCityEvent Site
July 4Epic RacesFirecracker 5KAnn Arbor
July 12Epic RacesAnn Arbor TriathlonHalfmoon LakeImage result for ann arbor triathlon logo
July 18RF EventsOberun 5KYpsilantiOberun
July 23RF EventsPterodacytl TriBrightonPterodactyl Triathlon
July 27Epic RacesBattle of WaterlooGrass LakeBattle of Waterloo logo

June 2025

June 1Ann Arbor Track ClubDexter-Ann Arbor RunAnn ArborDexter-Ann Arbor Half Marathon
June 7Epic RacesIsland Lake TriathlonKensingtonImage result for island lake triathlon logo
June 7Detroit Riverfront ConservancyDetroit Riverfront RunDetroitDetroit Riverfront Run
June 14RF EventsLiberty Festival 5K/10KCantonLIBERTY CALENDAR SQUARE
June 25RF EventsTriceratops TriBrightonTriceratops Triathlon-2022
June 28Epic RacesTri Goddess TriPortage Lake

May 2025

DateOrganizerEventCityEvent Site
May 9RF EventsHightail to Ale 5KDetroitHightail to Ale
May 10Epic RacesDetroit Mother’s Day RunAnn Arbor
May 28RF EventsStegosaurus TriBrightonStegosaurus Triathlon

April 2025

DateOrganizerEventCityEvent Site
April 12RF EventsMartian Invasion of RacesDearbornMartian Invasion of Races
April 26RF EventsTrail MarathonPinckneyTrail Marathon

March 2025

DateOrganizerEventCityEvent Site
March 9RF EventsShamrocks & Shenanigans 5KAnn ArborShamrocks and Shenanigans
March 16Kurtis Sports ManagementCorktown RacesDetroitCorktown Races logo

February 2025

DateOrganizerEventCityEvent Site
February 9RF EventsSuper 5KNoviSuper 5K

January 2025

DateOrganizerEventCityEvent Site
January 25RF EventsBigfoot Snowshoe RaceTraverse CityBigfoot Snowshoe Race