She said Wardell had battled head winds, desert 40C+ temperatures, snow, ice, torrential rain, steep hills and deep mud.
She's dodged camels, goats and trucks and gained personal knowledge of Iran's medical system after a crash.
A former NZ Commonwealth and Olympic athlete, Wardell knew how fundamental encouragement and support was as a young athlete, Cowley said.
The event was being held at the Millennium Hotel this Friday at 6pm.
Tickets were $10 including light refreshments and were available at the door.
Local businesses, Redwoods Treewalk, Reading Cinemas, Rotorua Canopy Tours, Atticus Finch, and McLeods Booksellers had contributed to a raffle that would raise funds for the Zonta International Ending Child Marriage project and for the Forward Foundation.