- Country: USA
- Genres: Comedy, Drama, Sport
- Release: 1985-02-14
- Director: Russ Mayberry
- Writers: Sally Robinson
- Language: English
- Stars: Penny Marshall , Richard Gilliland , Jonathan Silverman , Mary Woronov , Paul Gleason , James Bergeson , Bart Conner , Nancy Hogshead-Makar , Cathy Rigby , Dave Scott
- Runtime: 100 min
- Awards: N/A
- AKA: La grande sfida (Italy) , Desafío a una mujer (Spain) , Le grand défi (Canada) , Desafío a una mujer (Spain) , Challenge of a Lifetime , Challenge of a Lifetime (United States of America)
- Plot: A 35-year old, non-athletic mother of a teen son who went AWOL from summer camp bonds with him as she decides to enter the Ironman Triathlon for real.
- IMDB:tt0088899
Challenge of a Lifetime Cast · · · ALL
Russ Mayberry
Director
Penny Marshall
Nora Schoonover
Richard Gilliland
Will Brodsky
Jonathan Silverman
Steven Schoonover
Mary Woronov
Mary Garritee
Paul Gleason
John Schoonover
Bart Conner
Cathy Rigby
Dave Scott
Mark Spitz
Greg Monaghan
Jay Redmond
Dorothy Dells
Dr. Jackson
Dick Anthony Williams
Dr. Hume
Keone Young
Dr. Honowa
Elizabeth Lindsey
Lee Kaplan
Peg Shirley
Mrs. Meyer
Mort Sertner
Volunteer