Feb 13, 2027
Iron Heart Ultra
ST JAMES, MO
100 mi, 100K, 50 mi, 50K, 20K, 10K, 5K
Key dates
Registration opens
Sep 29, 2026
Registration closes
Mar 6, 2027
Race day
Mar 6, 2027
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Registration openings and major changes, like a new date or a cancellation.
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Listed from Race Roster. Checked Oct 31, 2026.