Take the hassle out of travelling with a bike and hire one for race day. BBH's team of mechanics will be on hand for any fitting adjustments, pedal changes or installation of extra parts that you may want.

TTH specialise in innovative coaching for individuals and groups. They offer coaching support to our athletes including race specific training plans, pre-event training sessions and a virtual training club.

Test the on-course electrolyte drinks, energy gels and chews before your race, or book a free one-on-one video consultation to discuss your strategy.

Make sure you're covered for any unforeseen circumstances. Yellow Jersey have a number of different options for event day cover, bike damage or theft and reimbursement due to injury.

Get stocked up on BeetActive and CherryActive concentrates, the perfect natural pre and post nutrition pairing enjoyed by leading endurance athletes, football, rugby and Olympic teams.

Look the part when you're training in one of our Castle Race Series t-shirts. Share your photos using #CastleRaceSeries so we can see you in action.

AWOL's photographers are positioned around the course, finish line and event village of all our events to capture you in action. They offer great discounts if you pre-book your race photos via your MyEVENTS account.

It's Eden Sports Clinic's goal to help every athlete achieve their maximum level of performance. They focus on getting you back to what you love doing - Competing! They are a specialist rehabilitation clinic for not only those in sport, but for those suffering with general aches and pains.

Castle Race Series participants will receive 10% Off any Turbo Trainer Hire. Simply enter the discount code CASTLETURBO10 on the check out page. Turbo Trainer Hire offer a friendly and helpful service on a range of quality performance turbo trainers from wheel on to direct drives. With flexible hire periods, affordable prices, with no deposit and easy online hire process this is the ultimate try before you buy

Need to hire a wetsuit? This is really easy, quick and affordable solution for making sure you have a high performance, technical Yonda wetsuit for race day. Simply enter the discount code CASTLE10 on the check out page to get 10% off!

Looking to buy a wetsuit? Yonda wetsuits are built with technical neoprene panels, the right balance of flexibility and buoyancy and will aid your swim style.