2020 Assenmacher 100

Sunday 16th August 2020

Swartz Creek Middle School Parking Lot: Fairchild St, Swartz Creek, United States



  • Cycling-Multiple distance 20, 34, 56, 66, 100 Mile - Individual Age group/open
  • Cycling- Family 20, 34, 56, 66, 100 Mile - Family Same Household group/open


The Assenmacher 100 is a recreational and social fun bicycle ride through the farmland and villages of mid-Michigan. Started in 1980, it has become one of Michigan's premier century rides and has been endorsed by the Governor's Council on Physical Fitness, Health and Sports. It is held each year on the third Sunday in August. With routes of 20, 34, 56, 66, and 100 miles, there are courses for experienced cyclists as well as the casual rider. It has become a popular DALMAC warm up ride. Come on out for a great ride! 

Event details and schedule

Thank you for your interest in the Assenmacher 100. We are making adjustments to this years ride to help ensure the safety of you and our voluteers.  The Start - Finish is at the Swartz Creek Middle School parking lot and you can link to a map here. The Five scenic, paved, bike-friendly routes are available for our 2020 ride. Rest stop refreshments, maps, turn by turn directions, and support vehicles will be on all routes until 3:00 PM. All routes will be marked with our unique color coded "A" road arrows. The routes are designed to coincide so, depending on the distances, you will be able to ride with riders doing various distances. Please maintain social distancing protocals throught registration packet pickup, riding, and at the rest stops.  All of our health depends upon it.

  • 20 miles flat
  • 34 miles flat to rolling hills
  • 56 miles flat to rolling hills
  • 100+ kilometers (66 miles) flat to rolling hills
  • 100 miles (Century) flat to moderate hills.
On Line Pre-Registartion only. No Day-Of-Ride applications will be accepted. Map and Packet pickup is open at 7:00 AM. Century riders must leave by 8:00 AM. All other riders should be on the road by 10:30 AM There will be no refunds after August 1st. 2020. Stop by registration after the ride for a snack.

Organised by

Assenmacher 100

1272 W Hill Rd., Flint

Phone: 810 635-7844

Event Images