Iron Heart
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Event overview
The Iron Heart trail run is scheduled for mid-February, with a listed date of February 13, 2026, and is based in St. James, Missouri. The event base address is 21880 Maramec Spring Dr, St James, MO 65559. It is presented as a Valentine’s Day trail event emphasizing outdoor trail running on the Forest City MTB Trail. Timing services will be provided on site by Split Second Timing. Relay awards are presented after all relay team members have finished.
Course options, distances, and camping
The event uses the Forest City MTB Trail, which has about 11 miles of winding trails and a mountain biking flow track. Distances offered include:
- 5K
- 5M
- 10K
- 10M
- 15K
- 15M
- 20K
- 20M
- 50K
- 50M
- 100K
- 100M
Relay and solo entries are available, and relays may be run simultaneously with other entries. A 36 hour cut off is noted for the longest ultra distances. Camping is available along the Meramec River at Maramec Spring Park. Tent and RV site fees are listed as non-electric sites $19 minimum per night, electric sites $39 minimum per night, and full hookup sites $59 minimum per night; additional person fee is $10 per night for ages 16 and over, with no charge for children 15 and under. The event location includes the Massey Hill Shelter with parking, tables, a fire pit, and restroom facilities. Visit the organization's website for the most recent information.