
From the Organizer
The 9th annual Grey Matters 5K/10K/virtual race will be held in Downtown Whitesburg, Kentucky on Saturday, May 16th, 2026. For those of you who will be unable to travel to us, we will continue to offer the virtual option this year.
We are thrilled to be in our ninth year and look forward to once again bring people who have been affected by brain cancer and members of the community together to help spread awareness of the disease.
Proceeds from this year's event will go to the Letcher County group ICAN, who helps people in need, including cancer patients, and another organization chosen by our honoree, who we are pleased to announce is Miss Ella Johnson.
Distances & Pricing
Race Location
About This Sport
Endurance Grid is here to help you understand the sport, decide if it's the right fit, and learn how to prepare. For course distances, logistics, and race-day specifics, always defer to the race organizer's event page.
The 10K is the distance where running stops feeling like a starting point and starts feeling like a sport. Long enough to require a real training block. Short enough that race day is fully manageable for a first-timer who's put in the work.
Race day energy at a 10K is community at its best — strangers cheering you by name, people moving toward the same goal, an atmosphere that solo training can't replicate. It's fast enough that you'll spend the whole race pushing rather than managing your effort.
This is also the distance that builds the base for everything else. Most athletes who go on to run half marathons, do triathlons, or compete in HYROX started here. What you need: running shoes fitted to your stride, a training plan, and the race on your calendar. The registration is what makes the deadline real.
How long to train: 4–8 weeks for most fitness levels.
From 5K to marathon, running races are the most accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Coming Up
Frequently Asked Questions (FAQs)
Grey Matters 5K/10K/Virtual Race
May 16, 2026