MON
20TH APR
17:30
Introduction
The London Marathon is one of the biggest participation sporting events in the world. Every year, tens of thousands of runners take to the streets of the capital, while hundreds of thousands of spectators line the route, creating one of London’s most electric sporting days.
Whether you’re running, supporting someone, or just want to soak up the atmosphere, this guide explains how the London Marathon works, where to go, how to get around, and how to plan the day properly.
What Is the London Marathon?
The London Marathon is a 26.2-mile (42.195km) road race held annually in London.
It is part of the World Marathon Majors and attracts:
- Elite international athletes
- Charity runners
- First-time marathon participants
- Massive crowds across London
The race typically takes place in April, with the entire city involved from early morning through late afternoon.
London Marathon Route Overview
The London Marathon route runs from South East London to Central London, finishing in front of Buckingham Palace.
Key highlights include:
- Greenwich & Blackheath (start areas)
- Cutty Sark
- Tower Bridge
- Canary Wharf
- The Embankment
- The Mall (finish)
The route is mostly flat, which is one reason the London Marathon is popular with first-time runners and elite athletes alike.
London Marathon Start Areas
The race has multiple start zones located around:
- Blackheath
- Greenwich Park
Runners are assigned start colours and waves, which determine:
- Arrival time
- Assembly area
- Start sequence
Spectators cannot access the start pens, but nearby areas are busy early in the morning.
London Marathon Finish Area
The race finishes on The Mall, directly in front of Buckingham Palace.
Important things to know:
- Access is heavily controlled
- Only runners can enter the secure finish zone
- Meeting points must be arranged outside the secure area
Best Places to Watch the London Marathon
Spectating is one of the best ways to experience the event.
Best Atmosphere Spots
- Tower Bridge – iconic visuals, huge crowds
- Canary Wharf – high energy, great viewing angles
- The Embankment – runners need support late in the race
Quieter Viewing Areas
- Early miles in Greenwich
- Residential stretches in East London
- Later parts of the route away from landmarks
Choose your spot based on crowd levels vs visibility.
Getting Around London on Marathon Day
Road closures are widespread and long-lasting.
Transport Tips
- Use the Tube and rail wherever possible
- Expect station closures near the route
- Walking between viewing points is often faster than transport
Avoid:
- Driving
- Taxis near the route
- Tight schedules
Plan one or two viewing points — not five.
Supporting a Runner: Planning Tips
If you’re supporting someone:
- Agree meeting points before race day
- Expect mobile signal issues
- Track runners using the official app
- Bring food, layers, and patience
The finish area is emotional but chaotic — plan exits carefully.
What Time Does the London Marathon Finish?
Finish times vary widely:
- Elite runners: early afternoon
- Mass participation runners: mid-afternoon to evening
Crowds around the finish build steadily throughout the day and peak mid-afternoon.
What to Expect From the Atmosphere
The London Marathon atmosphere is:
- Loud
- Positive
- Emotional
- Family-friendly
Crowds support every runner, not just elites. Fancy dress, charity costumes, and personal stories are a huge part of the day.
Common London Marathon Mistakes
Avoid:
- Trying to cross the route mid-race
- Underestimating walking distances
- Expecting to meet runners immediately at the finish
- Planning tight dinner reservations
This is a long, slow-moving day — embrace it.
Is the London Marathon Worth Attending as a Spectator?
Absolutely.
The London Marathon offers:
- Free access
- World-class atmosphere
- A unique view of the city
- One of the most uplifting sporting days of the year
Even non-running fans often rank it as one of London’s best live sporting events.
Final Thoughts
The London Marathon is more than a race — it’s a city-wide celebration. With the right planning, it’s one of the most rewarding sporting events to experience in London, whether you’re running, supporting, or simply watching.
Plan smart, pick your viewing spots carefully, and let the city do the rest.