Sheri Biggs holds a commanding lead in the SC-03 House race as the Republican incumbent in a district with a strong partisan tilt, reflected in the 2024 presidential results and consistent Solid Republican ratings from forecasters. She advanced unopposed through the June 2026 Republican primary after winning the seat in 2024, while Democrat Eunice Lehmacher narrowly won her primary and faces limited campaign resources. The general election on November 3, 2026, features a third-party Libertarian candidate as well. Trader consensus aligns with the district's electoral history and the absence of competitive developments or polling shifts that would narrow the gap. Late developments such as a major scandal, health issue, or unexpected national political realignment could theoretically alter the outcome, though no such factors have emerged.