In 312 days · Sat, Aug 14, 2027
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Saturday, August 14th, 2027
25 International Blvd, Mill Spring NC
Marathon · Half · 10K
67–87°F · some rain risk
See last 10 years
On this date: rain 3 of the last 10 years
2025
68–79°F
rain
2024
58–81°F
dry
2023
69–96°F
dry
2022
67–85°F
dry
2021
71–85°F
rain
2020
66–85°F
dry
2019
70–92°F
rain
2018
68–88°F
dry
2017
69–89°F
dry
2016
68–84°F
dry
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Race-day forecast · Saturday, Aug 14
Rain likely · 70–87°F
Saturday, Aug 14starts near 70°F · 16% chance of rain · wind up to 23 mph
About this race
"To Make an Impact… Risk Being a Dark Horse"
Participant Feedback
The Dark Horse Trail Series is a loop course with a simple promise: the same 6.5-mile stretch of dirt and single-track, run as many times as your distance demands. Pick your fight — 10K, half, or full marathon — and let the meadows of a working equestrian center test how many loops you've got in you. This is a race built around a motto, not just a mileage: to make an impact, you have to be willing to risk being the dark horse — the runner nobody saw coming.
Course or Race Highlight
Choose your distance: the Dark Horse Marathon (26.2 miles), the Dark Horse Half Marathon (13.1 miles), or the Dark Horse 10K — all run out of the Tryon Equestrian Center, a working horse park in the foothills of Mill Spring, North Carolina.
The course consists of a 6.5-mile loop that meanders through the equestrian center, with a mixture of wide packed dirt paths, single-track trails, and open meadows, gaining 600 feet of elevation per loop. Your registered distance determines how many times around you'll go — the terrain doesn't change from lap to lap, but your legs will have an opinion about it by the last one.
Because every distance shares the same loop, you'll pass the start/finish area — and the aid station, and the crowd — every single time around, whether you're out there for one loop or four.
Race Day Details
Course
The course consists of a 6.5-mile loop that meanders through the equestrian center with a mixture of wide packed dirt paths, single-track trails, and meadows, offering 600 feet of elevation gain per loop. Marathon, half, and 10K runners all share the same terrain — just a different number of trips around it.
View Strava Course Map →Parking
Parking costs $5.00, charged as part of registration, and covers your event entrance for the day. Follow the posted parking signs to the General Store area, adjacent to the start/finish line.
Aid Stations
There is one aid station, located at the start and finish line — since every distance shares the same loop, you'll pass it every time around.
Available snacks:
Hydration:
Wildly Charged is our official hydration sponsor — look for the orange 5-gallon jugs at aid stations.
Cup-less event — please bring your own hydration vessel.
What's Included
Complimentary professional race photos capture the grit and the glory — hang around at the finish line and celebrate every loop you put in.
Race Awards
Giving Back
Every Upstate Race Series event is part of the Upstate Giving Series, which connects our 30 races with 30 nonprofit organizations serving communities across the Upstate. Your registration and any donation you add at checkout go to work close to home — you are not just running a race, you are funding the work of a neighbor.
Groups & Teams
$5 Discount & Refund for Groups with 5+ Members
The Upstate Running Club welcomes all local and regional running clubs to our events — the more the merrier. Calling all running clubs and social run groups: Upstate Race Series welcomes crews of all kinds to join the fun. Whether your squad is full of weekend warriors, sunrise chasers, or runners motivated by the promise of a cold drink at the finish, we've got an event for you.
Sign up, share with friends and local running clubs, and cash in on race discounts and refunds when your team, run club, or band of misfits hits 5 runners or more.
Good to Know
Managing Your Registration
Everything about your entry lives in your RunSignUp profile. Sign in, find this race under your upcoming events, and make the change yourself — there is no need to email us first. From there you can:
• Transfer your entry to another runner • Switch to a different distance at this race • Transfer your entry to a different Upstate Race Series event • Update your personal details — name, address, emergency contact, shirt size • Manage add-ons, store items, and apparel purchasesAll entries are final. We do not offer refunds or deferrals — but every option above stays open to you right up to race day, so a change of plans does not have to mean a wasted entry.
Let's Stay Connected
Follow along, gear up, and keep up with everything Upstate Race Series
Course map
Train with a club
Run clubs near Mill Spring to train with before race day.
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