Carl P. Dolan, 43, a Washington educator and bicycle racer, died July 25 at Peninsula Regional Medical Center in Salisbury, Md. He died of heat stroke suffered in bicycle racing time trials for the mid-Atlantic region in Cambridge, Md.

Mr. Dolan was director of Sandy Spring Friends Middle School in Olney, a position he took this month. In 1994, he founded Thornton Friends Middle School in Silver Spring, and he worked there until accepting his new position.

A resident of Wheaton, he moved to the Washington area in 1987 and worked for six years as a program coordinator for the National Endowment for the Humanities.

Mr. Dolan was born in Philadelphia and graduated from Kenyon College. He received a master's degree in humanities at the University of Chicago.

Before moving to the Washington area, Mr. Dolan had been an educator at Carolina Friends School in Durham, N.C., and the Friends School of Baltimore.

He was a member of the D.C. Velo Bicycle Club and had competed as a master's racer.

Earlier this summer, he finished seventh in a field of more than 200 riders in a 100-mile Blood, Sweat and Gears race in the mountains of western North Carolina.

His marriage to Busy Graham ended in divorce.

Survivors include his wife, Nina Koltnow of Wheaton; a son from his first marriage, Tom Dolan of Wheaton; two stepsons, Nick and Pete Valente of Wheaton; a sister; and a brother.