Mammoth Marathon - Race information and FAQs

Please return to this page regularly as we will update race information throughout the build up to the event. Also keep an eye on our Facebook and Twitter pages.

If you have any questions please contact

Entry and Registration

When will the Mammoth Marathon 2020 take place?

The 2020 Mammoth Marathon will take place on Sunday 17 May 2020.

Start times and location

The Full Marathon starts at 9.30 am at Beach Road, Sea Palling, Norfolk, NR12 0AL.

The Half Marathon starts at 9.30 am at Beach Road, Mundesley, Norfolk, NR11 8BQ.

How do I enter?

Registration will open on Friday 13 September 2019 at 9.30am. Entry is online only. 

Full Marathon - SOLD OUT

Half Marathon - SOLD OUT

Once you have completed registration and it has been processed. Race packs will be posted to you in advance.

Closing date for entry

Closing date for online entries is Friday 31 January 2020.

Is there an age limit?

Minimum age to enter the Mammoth Marathon is 17 for the Half Marathon and 18 for the Full Marathon.

Can I transfer my registration?

If you are unable to take part you can transfer your registration to another person.

How many places are allocated for the Mammoth Marathon?

Entry limit is 600 places for the Half Marathon and 400 places for the Full Marathon.

How much does it cost to enter?

  • Full marathon £36 UKA affiliated, £38 non-UKA affiliated.
  • Half marathon £28 UKA affiliated, £30 non-UKA affiliated

UKA Affiliated entries must quote UKA URN on entry.

How much time is allowed to complete the marathon?

You must complete the Half Marathon within 3 hours and the Full Marathon in 6 hours (3 hours cut-off half-way).

Race timing provided by Chip Timing UK.

Course Details

View the Course Map - both courses are point to point courses and are on country and town roads with some footpaths used. The finish at Sheringham High School is on a grass sports field for 190 metres.

TMO Highways have been instructed as traffic management professionals to manage the traffic throughout the race.


No headphones, including bone conducting versions, are permitted to be used while running the marathon.

Race Presentations

Presentations will be held at the finish village at Sheringham High School at approx. 11.45 am for the Half Marathon and 1.30 pm for the Full Marathon.

There is no prize money, First, second and third places will get trophies. All runners will be presented with a Medal and a goody bag.


There will be some parking available at Clink Road Car Park, Sea Palling for the Full Marathon and at Gold Park, Car Park Mundesley for the Half Marathon.


Coach transfer will be available before the race from finish at Sheringham High School to both race start locations.


Toilets will be provided at the start of both races and the finish.

Baggage facility will be available.


Professional photographs will be taken throughout the race, with an option to purchase available after the event.


If you have further questions, please email


We have a range of sponsorship packages available.

To get involved as a sponsor of the Mammoth Marathon please contact or call 01263 516334. 


In partnership with

North Norfolk Beach Runners

Our Charity Partners

Big C logo
Break logo

Associated Charities

EAAA logo
The Benjamin Foundation
OPEN logo