Missouri · 100M · 100K · 50M
Iron Heart Ultra
Iron Heart Ultra is a 100M, 100K, 50M, 50K and 20K event held in St James, Missouri. Its next confirmed date is Saturday, February 13, 2027.
- Race day
- February 13, 2027
- Location
- St James, MO
Race details
- Date
- Saturday, February 13, 2027
- Location
- St James, Missouri
- Distances
- 100M, 100K, 50M, 50K, 20K, 10K, 5K
- Course
- BallHooter Trail loop carries ~246 ft of gain per 3.2 mi lap; no official total-gain figure published per full race distance.
- Registration
- ironheart.itsyourrace.com
- Official website
- split-secondtiming.com
Registration, course & weather
- Registration status
- Open
- Start time
- 7:00 AM CST
- Course profile
- Loop course; Trail surface
About the Iron Heart Ultra
Iron Heart Ultra is a trail race weekend at Massey Hill Shelter in Maramec Spring Park, St. James, MO, held on Valentine's weekend. Distances from 5K to 100 Mile combine two named park trails, the Leatherbritches Trail and the BallHooter Trail, and finishers of the 100 Mile, 100K, 50 Mile and 50K earn a custom belt buckle.
More 10Ks in Missouri
Coming up next, by confirmed date.
-
Coyote Crawl 5K and Head for the Hills 10KSt. Louis, MO10K (In-Person)10K - No Shirt/No Medal5K (In-person)5K - No Shirt/No Medal Option +2 more ~250 runners
-
MO' Cowbell Marathon/Half-Marathon/10K/5KSaint Charles, MOMarathonHalf Marathon42.195K21.0975K +2 more ~3,000 runners
More upcoming races in Missouri
-
Bass Pro Shops Conservation Marathon & Cohick HalfSpringfield, MOMarathonHalf (Cohick)5KMarathon Relay ~4,000 runners
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- Blog All guides Planning advice for finding, choosing and travelling to races.
Iron Heart Ultra: common questions
- When is the Iron Heart Ultra?
- The next confirmed date is Saturday, February 13, 2027.
- Where is the Iron Heart Ultra held?
- In St James, Missouri.
- What distances does the Iron Heart Ultra offer?
- 100M, 100K, 50M, 50K, 20K, 10K and 5K.
- How do I register for the Iron Heart Ultra?
- Registration is handled by the organiser at ironheart.itsyourrace.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Iron Heart Ultra?
- Yes — registration is open.
- What time does the Iron Heart Ultra start?
- 7:00 AM CST.
- What is the course like at the Iron Heart Ultra?
- Loop course; Trail surface.
Plan this race in RaceRove
Save it to your plan, compare it with other races, check typical race-day weather and track your 50-state progress in the interactive app.