Lane, Kilzer to fight for Sparta 109 title in Castle Rock
Castle Rock landed a vacant 142-pound kickboxing title fight as Jessica Lane and Melissa Kilzer headlined Sparta 109 at Relentless Volleyball Club.

Castle Rock landed another title-fight spotlight Saturday as Jessica Lane and Melissa Kilzer met for the vacant SCL women’s kickboxing championship, a matchup that showed Douglas County can draw more than a neighborhood card when Sparta Sports and Entertainment brought its Colorado series through town. The bout was set for 142 pounds and three rounds of two minutes each at Relentless Volleyball Club, 3593 Timber Mill Parkway, Suite D, with doors and fights listed for 6 p.m. and internet pay-per-view available. Ticket sales were set to end at 9 p.m. local time.
Lane came in from Colorado Springs as an amateur MMA fighter with a 2-2 record and a No. 19 women’s pound-for-pound ranking in Colorado. Her recent combat-sports trail included a kickboxing bout against Carolyne Ochieng at Sparta Fight Night 25, giving her a mix of cage and stand-up experience heading into the title bout.
Kilzer fought out of Lakewood and stood 5-foot-6, with Tapology listing her last fight as April 18, 2025. Her kickboxing record included a unanimous decision win over Olivia Romero at Sparta Fight Night 18, a result that added another layer of credibility to a fight billed as a vacant championship.

Sparta 109 carried 11 fights in all, with 4 MMA bouts, 1 boxing bout, 4 kickboxing bouts and 2 Muay Thai bouts. The card was sanctioned by the Colorado Combative Sports Commission, and the mix of disciplines turned the Castle Rock venue into a busy stop on a night built for both live attendance and online viewing.
The title bout also fit into a deeper pattern for Sparta Sports and Entertainment, which has pushed a steady run of Colorado shows through 2025 and 2026, including Sparta 107, Sparta Fight Night 26, Sparta Fight Night 27, Sparta Fight Night 108 and Sparta AVM 17. That run has kept Castle Rock on the promotion’s map and suggested Relentless Volleyball Club has become a practical site for higher-profile combat sports in Douglas County, with local fans able to fill seats while others followed the action through PPV from home.
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