Run for a greener tomorrow...

At the heart of the Greenman Marathon lies a simple but powerful mission: to run for a greener tomorrow.

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We believe that sport and sustainability go hand in hand. From the very beginning, our event was designed to do more than just put miles on the clock—we aim to leave a lasting, positive impact on the planet we love.

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What We Stand For

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Every step taken on our route is a stride toward sustainability. Our course has been carefully chosen to celebrate and protect London’s incredible green spaces—parks, riverbanks, woodlands, and trails. We partner closely with local councils and environmental bodies to ensure we leave no trace, maintain biodiversity, and support local conservation goals.

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Where Our Profits Go

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We donate 20% of all entry fees to trusted green charities focused on:

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• Urban rewilding and tree planting

• Biodiversity and pollinator protection

• Youth environmental education

• Climate action and green tech innovation​

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These aren’t vague promises - we publish an annual impact report showing exactly where the money goes and who it helps. Your race fee fuels real action.

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Our Practices

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• Eco-conscious Merch: Our race tees and medals are made from recycled or sustainable materials.

• Plastic-Free Pledge: We’re eliminating single-use plastics at all aid stations and finish zones.

• Green Transport: We promote cycling, walking, and public transport for race day. Our partners offer discounts on eco-friendly travel options.

• Waste Minimisation: Compostable food packaging, extensive recycling, and leftover food donations are all part of the plan.​

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Running With Purpose

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We’re proud to be more than a marathon. We’re a movement. Whether you’re a seasoned marathoner or a first-time runner, by joining the Greenman Marathon, you’re standing up for the future.

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Run green. Run proud. Run with us.