Prairie Spirit Trail
Ottawa, KS
100 mi, 100K, 50 mi, 50K, Marathon, Half Marathon
Flint Hills Ultra
Emporia, Kansas
Website
In 209 daysFHU The Escort: 20 miTHE Flint Hills UltraTHE Flint Hills Ultra - SUPPORTEDThe Northern Half!The Northern Half! - SUPPORTEDThe Southern Half!The Southern Half! - SUPPORTEDThe Northern 330!: 330 mi
Entry
Key dates
Registration opens
Oct 25, 2026
Registration closes
May 29, 2027
Race day
May 29, 2027
Email me updates about Flint Hills Ultra
Registration openings and major changes, like a new date or a cancellation.
Entry transfers
Tune-up races
- Apr 3, 2027
- Feb 20, 2027
Psycho Wyco Run Toto Run
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Listed from Race Roster. Checked Oct 31, 2026.