Races · United Kingdom

Great Welsh Marathon Events 2027

Great Welsh Marathon Events 2027 is on Sunday 17 October 2027 (United Kingdom). That is 52 weeks from today.

52 weeks to go

Race day
17 October 2027
Where
United Kingdom
Distances
Half Marathon, Marathon
Countdown
364 days · 52 weeks

Organisers sometimes move a date. Check the official site before you book travel.

Training plan

Training for Great Welsh Marathon Events

Counted back from race day. These are the dates the plan would run on if you started it now.

half marathon

There is time for the full 14-week half marathon plan. It starts on 11 July 2027; until then, easy running keeps the base.

  1. Base · 6 weeksEasy running. Weekly distance climbs and the long run grows.from 11 Jul
  2. Build · 4 weeksThreshold and tempo sessions come in next to the long run.from 22 Aug
  3. Peak · 2 weeksThe biggest weeks and the longest long run.from 19 Sept
  4. Taper · 2 weeksDistance drops, pace stays. You arrive rested.from 3 Oct
  5. Race day17 Oct
How the half marathon plan works

marathon

There is time for the full 18-week marathon plan. It starts on 13 June 2027; until then, easy running keeps the base.

  1. Base · 9 weeksEasy running. Weekly distance climbs and the long run grows.from 13 Jun
  2. Build · 3 weeksThreshold and tempo sessions come in next to the long run.from 15 Aug
  3. Peak · 3 weeksThe biggest weeks and the longest long run.from 5 Sept
  4. Taper · 3 weeksDistance drops, pace stays. You arrive rested.from 26 Sept
  5. Race day17 Oct
How the marathon plan works

This is the layout the plan builder starts from. In the app it shifts with how long you have been running, and the week moves when you miss a run.

Train for it with Runapt

Pick Great Welsh Marathon Events as the goal in the app. The plan counts back from race day and moves when you miss a run.

Can you be ready for Great Welsh Marathon Events?

Fill in your weekly distance and your longest recent run. The check runs on the same engine that builds the plan and says whether this race fits, before you pay for an entry.

Is your goal race realistic?

Free · no signup

Goal finish time (optional)

Computed by the same engine that builds Runapt plans — so this can never clear a race the plan builder would block.

Pace

The pace behind a goal time

Even pace from start to finish, without stops. Training paces are slower than this on most days.

half marathon
Finish timePer kmPer mile
1:30:004:166:52
1:45:004:598:01
2:00:005:419:09
2:15:006:2410:18
2:30:007:0711:27
2:45:007:4912:35
marathon
Finish timePer kmPer mile
3:00:004:166:52
3:30:004:598:01
4:00:005:419:09
4:30:006:2410:18
5:00:007:0711:27
5:30:007:4912:35
Get training paces from a recent race time

Questions about Great Welsh Marathon Events

When is Great Welsh Marathon Events 2027?

Great Welsh Marathon Events 2027 is on Sunday 17 October 2027 (United Kingdom). That is 52 weeks from today.

Which distances can you run at Great Welsh Marathon Events?

Great Welsh Marathon Events offers these distances: Half Marathon, Marathon.

How many weeks do you need to train for Great Welsh Marathon Events?

The Runapt half marathon plan runs 14 weeks as standard and 8 weeks at the shortest. The Runapt marathon plan runs 18 weeks as standard and 12 weeks at the shortest. That assumes you already run a few times a week. Starting from zero takes longer.

Is it too late to start training for Great Welsh Marathon Events?

There is time for the full 18-week marathon plan. It starts on 13 June 2027; until then, easy running keeps the base.

How do you enter Great Welsh Marathon Events?

Entries are handled by the organiser at greatwelshmarathon.co.uk. Runapt does not sell race entries; it builds the training plan.

Start with a free plan.

Download Runapt and build your first training week. The free plan has no time limit.

Or start on the web