Plant a Tree

Summer 10K supported by Gato Sports (Evening 2)

Coombe Abbey Park

A special 10K at one of the best venues in the Midlands! Come and run 10K with us after you’ve finished work through ancient woodland, past formal gardens and across a large open field to finish. If you’ve never run at Coombe Abbey before this is your opportunity to do so. Runners can select Trees not … Continued

Standard Chartered Great City Race

City of London or virtually

Enter the 2023 Standard Chartered Great City Race! Want to take on a top team challenge this summer? If so, the 2023 Standard Chartered Great City Race on Tuesday 18 July is the 5K corporate running event for you – and entries are now open! You can choose to take on the distance in the City of … Continued

255 Triathlon

Goodwood , United Kingdom

Come along to the Festival of Endurance at Goodwood featuring the 255 Triathlon. Experience traffic-free racing on Goodwood's historic motor racing circuit. Featuring a selection of endurance multisport events including the popular 255 Triathlon Relay and the world's longest single-day triathlon. Participants can choose to plant a tree with Trees not Tees in place of receiving a finishers’ … Continued

Hardmoors 26.2 Farndale Trail Races

Hutton Le Hole Village Hall York, United Kingdom

The Farndale Trail Marathon has circular routes starting from Hutton Le Hole Village Hall. Competitors will have the option of entering either the full Trail Marathon (26.2mi) The Trail Half-Marathon (13.2mi) or the Trail 10k (6.2mi). The Hardmoors 26.2 Farndale Trail Marathon is part of the Hardmoors Trail Marathon Series set in the beautiful North York … Continued

Big Bear Challenge

Salcey Forest Wootton Road, Northampton, United Kingdom

The Big Bear Challenge is Big Bear Events' first event in the summer holidays and has childcare on site! With its mature woodland, flat pathways and changing scenery there is a reason Big Bear Events come back here year after year. It’s the best way to spend some time in the forest going for your … Continued

Port Talbot Half Marathon

Glyncorrwg Ponds Mountain Bike Centre Wales, United Kingdom

Join runners at the glorious Glyncorrwg Ponds Mountain Bike Centre to take on the Port Talbot Half Marathon on Sunday 13th August 2023. With amazing views of the Afan Valley, this summer race is one not to be missed. Runners can select Trees not Tees during registration in place of receiving their t-shirt.

Ironman 70.3 Ireland Cork

Dolphin's Square Youghal, Co. Cork, Ireland

Starting at Front Strand Beach, Ironman 70.3 Cork athletes will complete a 1.9km single-lap swim in the Celtic Irish Sea. New and improved this year, athletes will swim past Youghal Lighthouse into Green Park, travelling only metres to T1 before embarking on the cycle. Participants can choose to plant a tree with Trees not Tees … Continued

Ironman Ireland Cork

Dolphin's Square Youghal, Co. Cork, Ireland

The Race Where Everyone Knows Your Name! County Cork and the town of Youghal combines Ireland’s fabled natural beauty and athlete-friendly racing location to deliver an IRONMAN Festival weekend on the "Emerald Isle". Take on the challenging courses of this authentically Irish IRONMAN race, soak up the atmosphere of its buzzing crowd support from friendly locals … Continued

Ironman Wales

Five Arches Car Park South Parade, Tenby, United Kingdom

The Untouched Charm of West Wales! With world-renowned spectator support and epic courses, this is the race that legends are made of. Hosted in the charming Welsh seaside village of Tenby, Pembrokeshire, athletes leave as friends in this unique, inviting and truly special destination nicknamed the "Iron Town". IRONMAN Wales sees Tenby come alive to a … Continued

The Big Half

Tower Bridge London, United Kingdom

Enter The Big Half 2023! The Big Half is a vibrant, inclusive half marathon with an unmissable festival atmosphere – and entries for this year's event on Sunday 3 September 2023 are now open! A stunning 13.1-mile course that sets off by Tower Bridge in central London and finishes at the famous Cutty Sark in Greenwich. … Continued

Stevens Creek Striders Reservoir Run

11401 Stevens Canyon Road, Cupertino (Villa Maria) CA, United States

The Stevens Creek Striders have been running and volunteering at the Reservoir for more than 40 years, and are thrilled to be able to share these trails with you for Half Marathon, 10K, and Lollipop (2.4 mi) race distances. You will run or walk through their favourite trails, from the cool shaded single track of … Continued

Brighton & Hove Triathlon

Hove Lawns

The Brighton and Hove Triathlon will be back on Sunday 10th September 2023 with participants taking on the fast and flat traffic-free route from Hove Lawns along the famous seafront Promenade. Brighton and Hove Triathlon is well established as one of the biggest events in the triathlon calendar. The event will also include children's triathlons … Continued