Black Toenail Friday Half Marathon
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Black Toenail Friday Half Marathon & 7.5 Mile : Overview
The Black Toenail Friday event takes place on Friday, November 28, 2025, at Proud Lake State Recreation Area, Modern Campground (2928 Glengary Rd, Commerce Township, MI 48382). It is a trail race held on well-marked wooded trails that pass lakes and include a few rolling hills. Late-fall conditions are possible, including cool temperatures or a light dusting of snow.
The race is listed as the sixth and final event in the Trivium Michigan Mega Medal Series and has been run since 2016. Both in-person and virtual options are offered for the closing race of the series.
Events, registration, and policies
- Half Marathon
- 7.5 Mile
- Half Marathon - Economy Package
- 7.5 Mile - Economy Package
- Virtual Half Marathon
- Virtual 7.5 Mile
Prices listed include: Half Marathon $70, 7.5 Mile $55, Half Marathon - Economy $50, 7.5 Mile - Economy $38, Virtual events $40. Virtual registration ends October 31, 2025; economy-package registration ends November 28, 2025. Registration includes a long-sleeve tech shirt, finisher medal for in-person Half Marathon and 7.5 Mile, post-race food and drinks, chip timing and live results, awards, and points toward the Trivium Southeast Michigan Running Series.
Refund and transfer rules: no refunds within 30 days of the event; earlier requests may receive a 50% refund minus processing fees. Entries cannot be deferred to another year or event. Entries may be transferred to another individual for a $5 fee; shirt size cannot be changed. Visit the organization's website for the most recent information.
