Complex sentence: On October 26,2013, Wallace became the first African-American driver to win in one of NASCAR's national series since 1963, winning the Camping World Truck Series Kroger 200 at Martinsville Speedway.
Split into simpler sentences: On October 26,2013, Wallace became the first African-American driver to win in one of NASCAR's national series since 1963. He won the Camping World Truck Series Kroger 200 race at Martinsville Speedway.