Sat 21 - Sun 22 Jun 2025 Chichester, West Sussex, UK

Race to the King | 100K Non-stop

Take on the full 100K Race to the King ultra marathon challenge in one go. Fully supported through day and night on a route combining castles and coastal scenery.

Charity places
  • Sat 21 - Sun 22 Jun 2025
West Dean Gardens, Chichester

100K Non-stop

08:00

Age 18 & over

£160

  • 100 km trail running + 4619 ft ascent

Event overview

Explore the South Downs National Park on this epic ultramarathon offering stunning 50K or 100K routes from the glorious West Dean Gardens and taking in the Monarch's Way.

Expect a superb level of support and organisation with fantastic overnight options at the all-inclusive Basecamp.

Arundel Castle

Highlights

  • A route steeped in history

    Take the Monarch’s Way to the ancient coastal village of Bosham and on to the mighty Arundel Castle.

  • Support fit for a King

    Race like royalty with pit stops packed with food and expert support throughout.

  • A wide variety of trails

    Two different loops taking in coastal trails and the South Downs National Park.

  • Fun for the whole family

    Bring the family to cheer you on and explore the impressive gardens and sculptures of the West Dean Estate.

  • Effortless logistics

    The figure-of-eight loop makes the simplest possible format to tick off 100km.

This event is part of Race to the King.

Event details

  • Average fitness
  • Event village
  • Families
  • Free venue entry
  • Newcomers
  • Spectators
  • Teams

Location

  • Bag storage
  • Bar
  • Cafe
  • Camping
  • Entertainment
  • Free parking
  • Music
  • Park
  • Rural
  • Showers
  • Toilets

Route

  • Check points
  • Cut off time
  • First aid
  • Food stations
  • Marshals
  • Out and back
  • Toilets
  • Undulating
  • Water stations
  • Wave start
  • Way markers

Sustainability

  • Public transport links
  • Recycling
  • Sustainability policy

What's included

  • Chip timing
  • GPS tracking
  • Map
  • Medal
  • Post-race meal
  • Training plan

Charity places

These charities have places in the event. To secure your place, select a charity and complete the form to ask a question or get signed up.

All charity places
Cancer

Macmillan Cancer Support

No one should have to face cancer alone.

  • Technical t-shirt
  • Running vest
  • Fundraising support
  • Fundraising materials
  • Training plan
  • Training guide
  • Dedicated contact
  • Refreshments

Sign up
£40

Fundraise
£550

Mental health

SANE

Supporting those affected by mental illness to change mental health for good.

  • Running vest
  • Fundraising support
  • Fundraising materials
  • Dedicated contact

Sign up
£40

Fundraise
£550

All charity places

Entries

  • Age 18 & over
  • Entries open
  • Charity entries open
  • Charity places
  • Enter online
  • Event merch available
  • Full refunds
  • Insurance available