There will be a few technical descents through Edgworth, Turton and Chapeltown at the north end of the course, with a short stint on the A666. This will then lead into the descent through Egerton and Belmont. The 2020 bike course will no longer be using Pickup Bank, Eccleshill, Hoddlesden or Blacksnape Road towards Edgworth.
One of the most memorable part of the Ironman UK 2019 bike course remains, and athletes will still climb past Black Dog Pub in Belmont and onto Sheephouse Lane before heading back towards Bolton. From here competitors will continue east towards Bury and continue the 3-lap bike course.