Get way more than you pay for at PureGym Grantham Discovery Retail Park. Open 24/7, we offer a range of low cost, no contract memberships and over 220+ pieces of high quality gym kit - and fitness classes are included in your membership! Whether you prefer cardio, strength training, classes, or more, we have everything you need to keep fit. Need help achieving your fitness goals? Our friendly team of Personal Trainers can help.