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South Coast Run

Click here to enter

Half Marathon, 10K & 5K Fun Run

Date: Sunday 22nd August 2021
Venue: Seaford, East Sussex, BN25 1JX
Event Start: From 0900hrs
Entry Fee: 5K Fun Run - £17
  5K Fun Run + Under 12's go FREE (with full paying adult) - £17
  10K - £22
  10K Club Discount - £20
  Half Marathon - £27
  Half Marathon Club Discount - £25
Minimum Age: 5K Fun Run - No Mimimum Age (Under 12's must be accompanied by an adult)
  10K - Minimum age 14 years
  Half Marathon - Minimum age 16 years

Please Note: Competitor Race Day Information (Individual Start Times, Bib Numbers etc) will be emailed out to competitors 7-10 days before the event.

2021 Results

Please email customercare@uktriathlon.co.uk for any result queries.

The Event

The South Coast Half Marathon, 10K and 5K take place in and around the town of Seaford in East Sussex.

The course is lapped and takes in the scenic views from the seafront.

The event is aimed at all abilities, whether you are a beginner, experienced or professional in running the race guarantees large crowds to cheer you along!

If the Half Marathon is not for you then the South Coast 10K or the 5K take place on the same day, over the same course.

Under 12's go FREE with a paying adult.

Telephone Entry

Don’t delay, call 01270 842800 and secure your place today! (Lines are open Monday to Friday, between 9:30am-3:30pm).

All start times and competitor race day information will be e-mailed 7-10 days before the event.

Competitor Race Day Information

Please take some time to read all the event information, it will make it far more enjoyable for you and reduce the need to ask questions on the day. Good luck and have a great day!

Race Day Information 2021

Full and up to date 2021 competitor race day information with your race number and start time will be emailed to you 7-10 days before the event. WE DO NOT POST ANYTHING OUT - you will collect your race numbers, tattoos, stickers etc. at registration on the day.

Age Categories (age on race day)

16 years of age for the Half Marathon.

14 years of age for the 10k run.

We have no minimum age for our 5k fun run but under 12 years of age must be accompanied at all times by an adult.

Getting there & staying over

Seaford is located on the A259 between Brighton and Eastbourne. There is a selection of bed & breakfasts, guesthouses, hotels and camping and caravanning in and around Seaford.

For information on accommodation either telephone Seaford Tourist Information on 01323 897426 or visit the Seaford Town website. Book early as Seaford will be very busy!

Course Maps

Map: click each to open or download

The run is a simple out and back course along the esplanade at Seaford which is flat and fast.

The vast majority of the course is on good level tarmac.

A very small part of the course near to the finish line is gravel and then grass.

Please take care on the run course as there may be pedestrians.


When you have completed the required lap(s) filter into the finish alley on Martello Field and through to the finish line (signed and clearly visible).

There is a feed station on the run course at approximately every 1.5 miles and at the finish line serving High5 sports drink and water.

To view course direction & distance markers, please click on, “view full version” (top left-hand corner of the map) or run your mouse cursor along the mountain graph to see course direction.

Entry Form

South Coast Run 2021 - Entry for this event is now closed.


(Price per race entry or per relay team)

Please select your race from the drop down list below. The price will adjust automatically.

Telephone Entry

If you would prefer to enter over the phone please call

01270 842800 and secure your place today!

(Lines are open Monday to Friday, between 9:30am-3:00pm).