Al Walkington and Greyson Kilgore compete in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes compete in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes at the start of the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes compete in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes compete in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Brooklyn Nichols finished first in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes compete in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes are cheered on and encouraged in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Greyson Kilgore collapses after finishing first in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Al Walkington competes in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Janelle Teal competes in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)

Athletes collapse at the finish line in the DEKA mile World Championship (1-mile total running combined with 10 functional fitness zones) at the Broward County Convention Center on Saturday, December 6, 2025. (Mike Stocker/South Florida Sun Sentinel)