Hill climbing on a steel framed bike?

This weekend I’ve signed myself up for Tickhill Velo’s Bib Lane Hill Climb, Rotherham. The climb itself is 0.3 miles, av. grade 9.5%, max 14.7% (according to Strava) http://www.strava.com/segments/2443600 With nearly 50 riders and a surprising number of ladies entered, there should be a good competition. Now, the question arises, because I am a promoter [...]