A closer look at Mia and Mariah Maxwell's World U20 Championships spikes 👀 Don’t miss the best of American track & field — subscribe for more 🇺🇲 Become a USATF Member → usatf.org/membership Watch Live & On-Demand → usatf.tv Shop official gear → team-usatf-store.myshopify.com #usatf #miamaxwell #mariahmaxwell #maxwelltwins #spikes #bling #trend #track #100m #200m