Taking place in Queen Elizabeth Olympic Park on Saturday 16 March, runners will be awarded with a bespoke tote bag, medal and snacks at the finish line.
Wondering what to expect? See photos from their previous Run the Solar System race here.
ES readers can claim 25% off the price of tickets for both the 5km and 10km runs, making them just £15 each. To book your place, click here and enter code GOLONDON at the checkout.
Join for free and receive our best vouchers and deals by email - all hand-picked by our community. Found a voucher code not on Latest Deals? Share it and earn Amazon vouchers!
Chief Bargain Hunter