Black Toenail Friday Half Marathon
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Event overview
The Black Toenail Friday Half Marathon & 7.5 Mile is a trail running event held on Friday, November 28, 2025. The event offers in-person and virtual options and includes standard and economy (no-frills) registration packages. Registration for the virtual events closes October 31, 2025; economy registration closes on race day, November 28, 2025.
Distances:
- Half Marathon
- 7.5 Mile
Registered participants receive a long-sleeve tech shirt (unless they opt out), and finishers of the in-person distances receive a medal. The event provides post-race food and drinks, live results, awards, and awards points toward the Trivium Southeast Michigan Running Series and Club Competition. This race is the sixth and final event in the Trivium Michigan Mega Medal Series, where six race medals combine into a larger Mega Medal.
Location, course, and policies
The race takes place at Proud Lake State Recreation Area, Modern Campground, 2928 Glengary Road, Commerce Township, MI 48382. Courses use well-groomed wooded trails with a mix of forest, lakes, smooth terrain, and some rolling hills; late-fall conditions may include cool temperatures or light snow. Parking is located near the start/finish at the Modern Campground.
Refund and transfer rules: no refunds within 30 days of the event; requests earlier than 30 days may receive a 50% refund of the entry fee (processing fees excluded). Entries cannot be deferred to another year. Entries may be transferred to another individual for a $5 fee; t-shirt size cannot be changed after transfer. Visit the organization's website for the most recent information.