Training
Train for your marathon.
How a plan is built, the paces for your goal, and what to do in the last weeks. The numbers come from the same engine that builds your plan in Run 42.
Plan your marathon
Marathon training plan
How a 12 to 24-week marathon plan is built, phase by phase.
Your first marathon
From your last 10K to 42.195 km, in 20 weeks.
Marathon pace chart
Pace per km and per mile for every goal from 2h30 to 6h00.
Race time predictor
Your 10K or half time, turned into a marathon prediction.
Pace band
Your split at every kilometre, printed to wear on race day.
VMA for the marathon
The VMA each goal from 2h30 to 6h00 needs, and the time yours points to.
Where you stand
Average marathon time
The median finish, for men and women, and where your time ranks.
Average half marathon time
The median half marathon, and the share of finishers you beat.
Average 10K time
The median 10K, and where your time sits in the field.
Average 5K time
The median 5K, and what counts as a good time.
Plans by goal time
Sub-3 marathon plan
Paces and a 16-week sample plan for 2h59.
Sub-3:30 marathon plan
Paces and a 16-week sample plan for 3h29.
Sub-4 marathon plan
Paces and a 16-week sample plan for 3h59.
Sub-4:30 marathon plan
Paces and a 16-week sample plan for 4h29.
Sub-5 marathon plan
Paces and a 16-week sample plan for 4h59.
The sessions
Training pace zones
Easy, marathon pace, threshold and VMA, and why each matters.
Training by time
Why most runs are set in minutes, and what they mean in kilometres.
The long run
How long, how slow, and how to build it week by week.
The marathon taper
The last three weeks: what to cut, what to keep.
Marathon race day
Pacing, fuel and the morning of the race.
Your next start line is waiting.
Add your first race in under a minute.
