Alex Honnold is a big wall free solo climber. As one of the best in the world, Alex has attained a number of speed records.Alex Honnold is a big wall free solo climber. As one of the best in the world, Alex has attained a number of speed records.Alex Honnold is a big wall free solo climber. As one of the best in the world, Alex has attained a number of speed records.