Twelve weeks or so
Training plans.
Four plans, written out run by run, with the distance and the pace or heart rate for each one. Nothing to sign up to and nothing to install — they are here to read.
21.1 km
First half marathon
Twelve weeks to your first half, with a pace written on every run.
12 weeks56 runs435 km
See the plan →21.1 km
First half marathon, by heart rate
The same twelve weeks, steered by heart rate rather than pace.
12 weeks56 runs440 km
See the plan →21.1 km
Half marathon, second time round
Thirteen weeks and more sessions, for a half you have already done once.
13 weeks60 runs383 km
See the plan →42.2 km
Marathon, four to four and a half hours
Thirteen weeks and 549 km, aimed at a four to four-and-a-half hour finish.
13 weeks58 runs549 km
See the plan →
The plans are COROS's, reproduced here so they can be read without an account or a watch. The words around them are ours.