William Sawalich

NASCARCraftsman Truck Series career26 races run over 4 yearsTruck no., teamNos. 1/5 (Tricon Garage)2025 position88thBest finish30th (2023, 2024)First race2023Long John Silver's 200 (Martinsville)Last race2026Allegiance 200 (Nashville)ARCA Menards Series career32 races run over 4 yearsARCA no., teamNo. 18 (Joe Gibbs Racing)Best finish8th (2023)First race2023General Tire 150 (Phoenix)Last race2026Ashley Furniture 150 (Chicagoland)First win2023Herr's Snacks 200 (Berlin)Last win2024Owens Corning 200 (Toledo)ARCA Menards Series East career17 races run over 3 yearsBest finish1st (2023, 2024)First race2023Pensacola 200 (Pensacola)Last race2025Rockingham ARCA 125 (Rockingham)First win2023Pensacola 200 (Pensacola)Last win2024Bush's Beans 200 (Bristol)ARCA Menards Series West career10 races run over 3 yearsBest finish16th (2023)First race2023General Tire 150 (Phoenix)Last race2025Portland 112 (Portland)First win2023Desert Diamond Casino West Valley 100 (Phoenix)Last win2025Portland 112 (Portland)Statistics up to date as of August 28, 2026.

William George Jerome Sawalich (born October 3, 2006) is an American professional stock car racing driver. He competes full-time in the NASCAR O'Reilly Auto Parts Series, driving the No. 18 Toyota GR Supra for Joe Gibbs Racing, part-time in the NASCAR Craftsman Truck Series, driving the Nos. 1 and 5 Toyota Tundra TRD Pros for Tricon Garage and part-time in the ARCA Menards Series, driving the No. 18 Toyota Camry for JGR. He is the 2023 and 2024ARCA Menards Series East champion.