Marathon
Sat 1 Nov 2025 Northampton, Northamptonshire, UK

Reason To Treason Run-Powder Plot | Marathon

Welcome to a 6-hour timed running event where you can run a marathon at your own pace on an out-and-back route, with fuel stations each lap, and a Guy Fawkes medal and goody bag at the finish.

  • Sat 1 Nov 2025
Northampton Active, Northampton
Marathon

09:00

Age 18 & over

£22-£34

  • 26.2 miles trail running + 165 ft ascent

Event overview

Whether you are plotting an explosive 5K or a treacherously long ultramarathon, this flexible event will allow you to achieve your aims, unlike Guy Fawkes.

How it works

  • This is a 7-hour timed challenge event
  • You have full control over the distance you want to run
  • The minimum distance is 3km, which is part of a lap
  • A full lap is 5.25 miles or 8.5km
  • You can run as many, or as few, of these laps as you like 
  • There will be a 3K and 5K turnaround point within the lap
  • Complete 2.5 laps for a half marathon
  • 5 laps for a marathon
  • 6 or more for an ultra
  • 50km distance available
  • Fuel table at the start / finish of each lap
  • Receive a fantastic Guy Fawkes themed medal and goody bag
  • Special distance pins for half marathon and up

This event is part of Reason To Treason Run-Powder Plot.

  • Average fitness
  • Event village
  • Families
  • Newcomers

ability

Ability level

All abilities are welcome at this super-inclusive event and walkers are welcome too.

Special event

If the event is a special event for you, for instance, your 50th, 99th, 100th, 200th, 250th, etc., half or full marathon then please let us know. You will receive a special running number with your name on it and the date of the event.

  • Cut off time
  • First aid
  • Flat
  • Food stations
  • Marshals
  • Multiple laps
  • Out and back
  • Single start
  • Traffic free
  • Water stations
  • Way markers
  • GPX available

GPX route

The route is displayed on the map above.

Overview

The course is around the Northampton Washlands and is on well-maintained paths and trails.

  • Paid parking
  • Secure bag storage
  • Toilets

Event HQ

Northampton Active
Bedford Road
Northampton
Northamptonshire
NN4 7AA
UK

Parking

There is limited parking at the venue, but some nearby car is available.

  • Goody bag
  • Medal

Medals & pins

As long as you complete 3km, you will be an official finisher and you will receive one of the incredible themed medals.

There are also distance pins available for anyone who runs a half-marathon distance or more. Pins available to collect are the Half-Marathon, Mega-Half, Marathon, 50km and Ultra pins. You will receive one pin on the ribbon of your medal to reflect your achievement.

Goody bag

You earned the calories after all, so all finishers get a goody bag. As well as the standard goody bag, with a selection of various goodies to choose from, there is also a fabulous vegan goody bag for the vegan runners.

  • Age 18 & over
  • Entries open
  • Enter online

Final race day instructions will be sent out via email 7-10 days prior to the event with full race day information.

Number pick up is on the day at race registration before the start of the event.

Entry fees

Entry fee

£22.00

Entry fee

£34.00

Other races at event

  • Sat 1 Nov
  • #1 of 0
Northampton Active, Northampton
3K

09:00

All ages

£12-£14

  • 3 km trail running + 33 ft ascent
  • Sat 1 Nov
  • #2 of 0
Northampton Active, Northampton
5K

09:00

Age 12 & over

£22-£27

  • 5 km trail running + 26 ft ascent
  • Sat 1 Nov
  • #3 of 0
Northampton Active, Northampton
10K

09:00

Age 16 & over

£22-£27

  • 10 km trail running + 33 ft ascent
  • Sat 1 Nov
  • #4 of 0
Northampton Active, Northampton
Half Marathon

09:00

Age 17 & over

£22-£34

  • 13.1 miles trail running + 82.5 ft ascent
  • Sat 1 Nov
  • #6 of 0
Northampton Active, Northampton
Ultra Marathon

09:00

Age 20 & over

£22-£34

  • 31.5 miles trail running + 198 ft ascent
  • Sat 1 Nov
  • #7 of 0
Northampton Active, Northampton
50K

09:00

Age 20 & over

£22-£34

  • 50 km trail running + 198 ft ascent
  • Sat 1 Nov
  • #8 of 0
Northampton Active, Northampton
Time Challenge

09:00

Age 18 & over

£22-£34

  • 7 hrs trail running + 33 ft ascent

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4 steps to wellbeing
Sleep well

A good night's sleep is an essential foundation for a healthy lifestyle, effective training and weight control.

Train slow

Low-intensity training is easier for you, reduces the risk of injury and helps builds an efficient aerobic system.

Eat natural

Cut out sugar & junk food, reduce carbs, eat natural foods and train your body to burn fat for fuel.

Get outdoors

Fresh air, natural light and reconnecting with nature all help to improve mental and physical wellbeing.