TCS London Marathon · Sunday 25 April 2027 In aid of Child Bereavement UK · Registered charity no. 1061359

My story

26.2 miles for Mum Turning my grief into hope for others.

I never imagined I'd be saying this, but I'm taking on the London Marathon. That's 26.2 miles of running, determination, emotions and probably a few tears along the way.

Tamsin Green In memory of Sarah
A portrait of Tamsin's mum, Sarah, smiling warmly.
Forever in my heart, Mum

This isn't just a marathon for me. It's a challenge to myself, to step outside my comfort zone, push myself further than I ever have before and, most importantly, to face my own inner critic.

Just two weeks before I take on the marathon, I'll also be celebrating three years alcohol-free. That in itself is a milestone I'm incredibly proud of. It will be three years of choosing myself, changing my life and proving that I can do hard things, even when that inner voice tells me I can't.

There's a voice in my head that often tells me I can't do things, that I'm not good enough or that I'll never manage it. Training for and completing the London Marathon is my way of challenging that voice and proving to myself that I am capable of more than I think I am.

But I'm not doing this just for me.

I'm running in memory of my mum, carrying her with me through every mile and creating a memory that I hope will make her proud.

I'm also raising money for child bereavement support, because I know how devastating it can be to lose someone you love, especially when you're young. I only wish the kind of support that child bereavement services provide today had been there for us when we needed it most.

No child should have to navigate the loss of a parent or loved one feeling alone. The support, understanding and safe space these organisations provide can make such a difference during the darkest of times.

So every mile will have a purpose: challenging myself, facing my inner critic, celebrating how far I've come, honouring Mum and helping support children and families through bereavement.

26.2 miles. 3 years alcohol-free. One very special reason. All for Mum. Tamsin Green
Tamsin and her mum Sarah at a charity run, wearing race numbers and smiling in the sunshine.
Memories that will stay with me always

I lost my mum when I was just 23

I wish I'd had that support.

At the time, I didn't have the support or guidance that Child Bereavement UK offers families every single day. Their support helps children and young people grieve, heal and rebuild their lives.

Now, I'm running to help ensure others don't have to face their loss alone.

The road to April

What happens between now and the start line.

Marathon training isn't glamorous. It's early alarms, wet Sunday mornings and a lot of talking yourself out of stopping. Here's roughly how the year looks.

  1. Now

    Building the base

    Steady miles, strength work and slowly teaching my legs that this is happening.

  2. Winter 2026 – 2027

    The long runs

    The distance creeps up week by week. Dark mornings, cold hands, and the odd very smug post-run coffee.

  3. Saturday 10 April 2027

    Three years alcohol-free

    Just over two weeks before race day. Three years of choosing myself and changing my life.

  4. Sunday 25 April 2027

    TCS London Marathon

    26.2 miles from Blackheath to The Mall, with Mum's name on my vest.

  5. After race day

    The prize draw

    Every donation earns entries into a thank-you prize draw, with winners pulled on 2 May 2027.

Countdown

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Sponsor me

With thanks to my employer

A huge thank you to Swimbooker.

I want to take a moment to say a huge and heartfelt thank you to my employer, Swimbooker, for supporting me in my journey towards accomplishing something I never imagined I would do: running the London Marathon.

As a tech company, Swimbooker has gone above and beyond by not only sponsoring my fundraising journey, but also dedicating their time, skills and expertise to creating me an amazing website where people can follow my journey and easily donate to a charity that has such a personal connection to my life, Child Bereavement UK.

Their support means so much more to me than just sponsorship. They have continued to offer encouragement, advice and support as I follow my dreams, not only through running, but also through my passion for advocating for fishing as a tool for health and wellbeing.

Swimbooker and the fishing industry have such an important role to play in green therapy, providing people with time outdoors, connection, purpose and space to breathe. I truly believe this could in the future also have a positive impact on people who are struggling, including children and adults who experience bereavement far too early in life.

My hope is to bring together the things I care about: fishing, wellbeing, the outdoors, bereavement support and challenging myself. I want to help create more awareness and, hopefully, support for others.

I'm incredibly grateful to have Swimbooker behind me and to have a team who believe in my dreams and encourage me to chase them.

Thank you, Swimbooker, for believing in me, supporting my journey and helping me turn an idea into something real.

Here's to the miles, the memories, the challenges, the fishing and hopefully making a difference along the way.

Every donation, no matter how big or small, will mean more than you know.

Thank you for joining me on this journey.

Thank you for supporting me, believing in me and helping make every step count.