The tradition of the 24h races results from America where a lot of such races were hold on harness race tracks.
1904 Packard held a solo 24h race in America against the clock to show the safety and reliability of the car.
the first official 24h race was in 1905 in Columbus (Ohio) - six cars were on the track, the brothers Soules (first names?) won at a Pope-Toledo with a 30 hp engine (they drove a distance of 828,5 miles)
In 1907 there was a 24h race in Philadelphia, with a Autocar winning after 781 miles (winning driver?)
Selwyn Francis Edge, the winner of the 1902 Gordon Bennett Cup race, drove 24h solo on a Napier in Brooklyn (near London) with a average speed of 60 miles/h on the track with the big banking.
In 1907 there were 7 24h races:
Brighton Beach near Brooklin (winner?)
Morris Park in Bronx (winner?)
Milwaukee (winner?)
Point Breeze near Philadelphia (winner?)
Detroit (winner?)
1908 there were 24h races in:
Brighton Beach (Lozier and Simplex as winners, but what were the winning drivers?)
Milwaukee (driver of the winning Locomobile were?)
Ascon Park near Los Angeles (driver of the winning Locomobile were?)
Birmingham Alabama (winner?)
1909 there were 24h races in:
Brighton Beach (Simplex, Renault and Lozier as winners, but the drivers were?)
Seattle (Hudson as winner, but the drivers were?)
1910 there were 24h races in:
Brighton Beach (Simplex and Stearns as winners, but drivers were?)
Then there were no more 24h races in America until 1965 in Daytona.
Any more details about this races from 1905 to 1910?