When:
Saturday 24th and Sunday 25 April 2027
Registration Fee:
£200
Minimum Fundraising Target:
£2,500
Minimum age:
18
About the TCS London Marathon
For one year only, the world‑famous TCS London Marathon will expand into a two‑day event for its 2027 edition.
Taking place on Saturday 24 and Sunday 25 April 2027, this one‑off format change will see the TCS London Marathon transformed into a spectacular two-day celebration.
The unique double format will welcome 100,000 participants across the two days, all taking on the same iconic route, from Greenwich to Westminster, in what will be an unprecedented weekend of sport, charity and community celebration. It will allow a record number of participants to take on a single marathon, helping to meet the extraordinary demand for places – highlighted by the fact that 1.33 million people entered the ballot for next year’s event.
The Double will also create the largest fundraising moment in UK sport. Already the world’s largest one-day annual fundraising event, with more than £90 million raised to date for charity by 2026 participants, this two-day marathon will give us more opportunities to raise vital funds.