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    Gym King Discount Codes 2026

    Save on activewear, training kit and streetwear with the latest Gym King voucher codes and promo codes for the UK

    Last updated 26 June, 2026

    Gym King New Customer Offer

    New customers can get 15% off their first order by signing up to the Gym King newsletter, with the code sent straight to your inbox. You will also be first to hear about new drops and product launches. It is worth grabbing a Gym King discount code from this page before you order, as the welcome offer is aimed at first-time shoppers.

    Gym King Delivery

    Gym King offers free UK delivery once your order reaches the qualifying threshold, with a charge on smaller baskets. There are two free thresholds, one for standard and a higher one for express, so you can choose how quickly your kit arrives. Reaching a free delivery level alongside a Gym King discount code is a simple way to keep the total down.

    • Free standard delivery: On orders over £75.
    • Free express delivery: On orders over £125.
    • Standard delivery: Charged on orders below the threshold.

    Gym King Returns Policy

    Gym King gives you 30 days from delivery to return items, which must be unworn, unwashed and in their original condition with tags attached. A fixed fee is charged per return through the returns portal, and the original shipping cost is not refunded. Refunds are usually processed within around 14 working days of your return being received.

    • Returns window: 30 days from delivery.
    • Return fee: £3.49 per order via the returns portal.
    • Refund time: Around 14 working days after receipt.

    Gym King Student Discount

    Students can save 15% at Gym King after verifying their status through a recognised student verification portal. The discount applies across activewear and streetwear. Verify your details to receive a code for the checkout.

    Gym King NHS and Key Worker Discount

    NHS staff, emergency services, teachers, military personnel and a wide range of other key workers can claim 20% off at Gym King. The discount is unlocked by verifying your eligibility through an approved key-worker portal. Once verified, apply your Gym King discount code at checkout.

    How to Use a Gym King Discount Code

    At the Gym King checkout, paste your code into the discount field and apply it before paying so the total drops. Codes can exclude sale lines and may need a minimum spend, and some are single-use. If a code is rejected, check it has not already been used or that your basket qualifies.