• He held
American Aero Club pilot's license number 24, granted in 1909. • In August 1910, he participated in the French
Circuit de l'Est air competition. • In September 1910, he attempted to win the
Michelin prize by flying from Paris to
Puy de Dôme (about 250 miles) with a passenger in six hours. After seven hours he set down about 10 km short of his destination, bad weather preventing further progress. • In June 1911, he took part in the Paris-Rome air race. • In July 1911, he took part in the
Circuit d'Europé, but retired to compete in the Gordon Bennett Trophy race. • In July 1911 he represented the US in the 3rd
Gordon Bennett Trophy race at the
Royal Aero Club's flying field at
Eastchurch, England winning the race flying a 100 hp
Gnome-engined
Nieuport monoplane over the 25 six-km laps at an average speed of 78.1 mph (125.663 km/h). • In November 1911 he flew the winning aircraft in the French Army's
Reims Military Aviation Competition, 1911. • In 1912 he won an international air race between
Jersey and
St Malo at an average speed of . • He participated in the 1912 Hydroplane contest at
Monaco,
St-Malo (both France) and the
Temse 1912 Hydroplane contests in Belgium. • In 1913 he competed for France in the
Schneider Trophy race at Monaco but was forced out by engine failure when in the lead. ==Motor racing==