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Shamrock FC Mixed Martial Arts (21+ Event)

Shamrock FC

<h2>Guide to Live Events in O&#x27;Fallon: Concerts, Sports and Shows Near You</h2>
<p>O'Fallon, Missouri features a lively calendar of community events, including seasonal festivals, outdoor concerts, local theater, and family-friendly gatherings. For marquee concerts and professional sports across the greater St. Louis area, Vivid Seats has you covered.</p>
        
        <h2>Things to Do in O&#x27;Fallon This Week</h2> 
        
<p>O'Fallon locals have a packed week nearby: start with classic hits from <a href="https://www.vividseats.com/boz-scaggs-tickets/performer/109">Boz Scaggs</a> at The Factory - Chesterfield, then turn it up with <a href="https://www.vividseats.com/seether-tickets/performer/7253">Seether</a> at the same venue and the swaggering <a href="https://www.vividseats.com/viagra-boys-tickets/performer/96434">Viagra Boys</a> at The Pageant.</p><p>Country fans can sing along with <a href="https://www.vividseats.com/riley-green-tickets/performer/55365">Riley Green</a> at Chaifetz Arena, while rock-electro act <a href="https://www.vividseats.com/the-living-tombstone-tickets/performer/172038">The Living Tombstone</a> brings the energy back to The Pageant. Hockey heads can cap the weekend cheering the <a href="https://www.vividseats.com/st-louis-blues-tickets--sports-nhl-hockey/performer/806">St. Louis Blues</a> at Enterprise Center.</p>        
<h2>Things to Do in O&#x27;Fallon Next Week</h2> 
        
<p>Next week around O'Fallon, Missouri, the action is close by in St. Louis and Chesterfield. Start Monday with <a href="https://www.vividseats.com/king-princess-tickets/performer/84137">King Princess</a> at The Pageant. On Thursday, dance to <a href="https://www.vividseats.com/kc-and-the-sunshine-band-tickets/performer/430">KC and The Sunshine Band</a> at The Factory - Chesterfield. Friday offers a choice: cheer the <a href="https://www.vividseats.com/st-louis-blues-tickets--sports-nhl-hockey/performer/806">St. Louis Blues</a> at Enterprise Center or catch <a href="https://www.vividseats.com/chase-rice-tickets/performer/30802">Chase Rice</a> at The Factory - Chesterfield. Cap the weekend with a Sunday matinee of <a href="https://www.vividseats.com/the-notebook---the-musical-tickets--theater-musical/performer/172345">The Notebook - The Musical</a> at Fabulous Fox Theatre - St. Louis, then <a href="https://www.vividseats.com/brandy-tickets/performer/110">Brandy</a> at Enterprise Center.</p>

O'Fallon MO

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Concert, Comedy, Sports & Theater Tickets in O'Fallon, MO

Live Events near O'Fallon, MO

Ameristar St. Charles

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Shamrock FC at Ameristar St. Charles

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Shamrock FC Mixed Martial Arts (21+ Event) Ameristar St. Charles in Saint Charles, MO Sat, Jun 20, 2026 at 7:30pm