Mohamed Lahna completed a triathlon across America, covering 3,300 miles in 47 days. He swam 28.5 miles around Manhattan, biked 3,000 miles, and ran 300 miles through the Mojave Desert. Lahna, born without a right femur, used a prosthesis for the run, facing blisters and infections.

The run was the most challenging part, requiring frequent stops for care. Despite constant pain and boils, Lahna focused on reaching the next support car. He finished in Venice Beach, raising over $166,000 for charity. Read more culture coverage.

Lahna's journey highlights the extra challenges adaptive athletes face. He aims to inspire others, showing that circumstances do not define one's future. His next goal is a Paralympic gold at the 2028 Los Angeles Games. Related: 9-Year-Old Oliver Smith Completes 380K Run for Charity.

This original Runner World brief is based on reporting from Marathon Handbook. Visit the source for its complete reporting, context and any later corrections.