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Trinity Health Probility Ann Arbor Marathon

Sunday, October 4, 2026
Ann Arbor, Michigan

Parking

Parking

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Gear Check

On race morning, you may check a supplied clear plastic gear bag at the designated Gear Check area located in the 1st & Huron Parking Lot (enter from Ashley & Washington). This area is one block north of the start/finish line.

Drop-Off Hours

7:00 a.m. – 9:00 a.m.

Pick-Up Hours

9:30 a.m. – 2:00 p.m.

Gear Check Bag Details

  • Pick up your bag and label at the expo or at the Gear Check area on race day.
  • Bag size: 16” × 20” with a gusseted bottom.
  • Affix your label before handing the bag to race personnel.
  • Items that do not fit inside the official bag will NOT be accepted.

Important Reminders

  • Cinch and tie the drawstrings so your belongings don’t fall out.
  • Do not check valuables.
  • We will do our best to safeguard bags, but we are not responsible for lost items and/or gear check bags.

Fluids, Foods & On-Course Amenities

Your safety and performance are our top priority. Please take fluids, fuel, and amenities only from official aid stations along the course.

  • Water: Absopure Spring Water available every 1.5 miles
  • Sports Drink: Gatorade® Endurance Formula™ (exclusive race sports drink), Lemon-Lime flavor at every official station
  • Energy Gels: GU Gels at mile 6.5 and mile 19.5
  • Portable Toilets: Located at every aid station

Eco-Friendly Service

  • Fluids will be served in compostable cups.
  • Tables will be set up on both sides of the course.
  • To avoid congestion at the first table, head to a later one—then keep moving once you’ve grabbed your drink!

Mile Markers, Clocks & Timing

  • Mile Markers: Clearly posted at every mile
  • Course Clocks: Synchronized to the start of Wave 1
  • Timing Mats: Strategically placed for accurate splits and results

Zero Waste Event

♻️ A Leave No Trace Event

At Epic Races, sustainability is a core part of how we operate. Instead of traditional trash cans, you’ll find a centralized Zero Waste Station known as  “Ground Zero.” Powered by our friends at Happy Planet Running and our rockstar volunteers, this is where every wrapper, cup, plate, and crumb goes to live its best recycled, composted, or reused life!

Please bring all of your trash to Ground Zero. Our Green Team will sort, weigh, and record everything to produce our post-event Sustainability Report. Your participation helps us reduce our environmental footprint and keep our venue beautiful.

See our sustainability reports here:
2025 Probillity Ann Arbor Marathon Sustainability Report

2024 Probility Ann Arbor Marathon Sustainability Report

Past Probility Ann Arbor Marathon Sustainability Reports

Interested in getting involved?
Join our Epic Green Team by signing up here: Become a Green Team Volunteer .

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Interested in Learning More?

We will contact you with more information about our event.