Leigh-on-Sea 10k

Leigh On Sea, Essex, England
Sunday 1 November 2026
10km · 5km
Official race site →

A Halloween themed, after dark, chip-timed 10km or 5km multi-terrain run through Two Tree Island, Belton Way and Old Leigh. Following the success of the addition of a 5k race last year, we'll be keeping this in the event schedule, with entries open for 11-15 yr olds in the 5k and 16+ in the 10k.1st November 2026, 1800 (6pm) start time- Now with added finshers medal! -All entrants in the JUNIORS 11-15 race must be accompanied at the event by an adult who takes full responsibility of the safety and well-being of their 11-15 year old. Join us for a spooky Hallowe'en themed evening of fun & running on either 5 or 10k! Our event promotes safe night-time running with "enough marshals to ward off a hoard of vampyres", is focused on sustainability and enjoyment, and is accurately chip timed with instant result printout and certificate. We've listened to your feedback and this year are reinstating our uniquely themed & sustainably-sourced medals for every finisher as well as our customary glass of prosecco. Headtorches or body torches are mandatory, fancy dress is optional! We do have a bonus prize for the latter. Why would you not dress up?

Licensed road race listing from England Athletics RunEvents. Source. Dangelo is not affiliated with the race organiser.

FAQs.

When is the Leigh-on-Sea 10k?

The next Leigh-on-Sea 10k is Sunday 1 November 2026. It includes a 10km and a 5km.

What is the Leigh-on-Sea 10k?

A Halloween themed, after dark, chip-timed 10km or 5km multi-terrain run through Two Tree Island, Belton Way and Old Leigh. Following the success of the addition of a 5k race last year, we'll be keeping this in the event schedule, with entries open for 11-15 yr olds in the 5k and 16+ in the 10k.1st November 2026, 1800 (6pm) start time- Now with added finshers medal! -All entrants in the JUNIORS 11-15 race must be accompanied at the event by an adult who takes full responsibility of the safety and well-being of their 11-15 year old. Join us for a spooky Hallowe'en themed evening of fun & running on either 5 or 10k! Our event promotes safe night-time running with "enough marshals to ward off a hoard of vampyres", is focused on sustainability and enjoyment, and is accurately chip timed with instant result printout and certificate. We've listened to your feedback and this year are reinstating our uniquely themed & sustainably-sourced medals for every finisher as well as our customary glass of prosecco. Headtorches or body torches are mandatory, fancy dress is optional! We do have a bonus prize for the latter. Why would you not dress up?

Free Leigh-on-Sea 10k training plan

Download Dangelo, pick Leigh-on-Sea 10k from the race list, and get a structured plan built around race day, with pace targets from your own running and workouts synced to Garmin & Coros.

Already have Dangelo? Add this race in the app →

When to start training

10km

5 weeks

Start now: about 5 weeks left (shortened plan).

Browse 10km training plans

Start this plan in the app →

5km

5 weeks

Start now: about 5 weeks left (shortened plan).

Browse 5km training plans

Start this plan in the app →

Dangelo shortens the build to fit the time you have left, and you'll still get a structured, achievable plan for Leigh-on-Sea 10k.

How Dangelo gets you to the start line

A plan built around race day

Every week counts back from 1 November, so base, build, peak and taper land exactly where they should.

Paces from your running

Dangelo reads your recent training from Garmin and Coros and sets workout paces you can actually hold, then adapts them as you get fitter.

More races, one connected year

Racing more than once? Add every event and the Race Calendar builds one connected plan that bridges the gaps between them.

More races

23 Oct 2026

Power of 5K Race 1

Lancaster, Lancashire, England

23 Oct 2026

Power of 5K Race 2

Lancaster, Lancashire, England

24 Oct 2026

Battersea Park 2026 Series 2

London, England

24 Oct 2026

CraggRunner Sprint 5k

Barrowford, Lancashire, England

Browse all races →