The half-marathon training plan for runners looking to finish sub one hour 45 minutes:

Target times: from 1:30 to 1:44 (race pace: sub-8:00 per mile). You should be capable of either a sub-46 10K, sub-1:18 10-miler or a sub-4:00 marathon. Training will be at least five days a week, with an average weekly mileage of 35 miles.


Week one:

Your first week’s target is to run just inside goal half-marathon pace for 10K. This may be difficult if you are below normal fitness when beginning the schedules, or easy if you are starting the schedules in good shape. Either way, progress steadily, and be realistic. If in doubt, it’s maybe best to start an easier schedule and move up as the weeks progress.

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork5M (inc 4 x 800m, 200m jog)5K45 mins8/10
WedSteady5M8:4544 mins6/10
ThuFartlek5M (inc 3M fartlek)7:30-9:3045 mins (25 mins fartlek)7/10
FriRest
SatEasy3M9:3028 mins4/10
SunRace10K (target: 45:00 plus 20-min jog)7:45target: 48:00 (plus 20-min jog)9/10
Total 28M 3hrs 50

Week two:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork5M (inc 8 x 400m, 200m jog)5K45 mins8/10
WedSteady6M8:4553 mins5/10
ThuThreshold6M (inc 3M THR)1/2M54 mins (24 mins THR)9/10
FriRest
SatHills5M (inc 6 x 200m hill)Mile45 mins6/10
SunLong run9M9:0081 mins7/10
Total 31M 4hrs 35

Week three:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork3 x 2K, 400m jog (6M total)10K55 mins9/10
WedSteady7M8:4560 mins6/10
ThuThreshold6M (inc 3M THR)1/2M54 mins (24 mins THR)8/10
FriRest
SatFartlek5M (inc 3M fartlek)7:00-9:3045 mins (25 mins fartlek)5/10
SunLong run10M9:0090 mins7/10
Total 34M 5hrs 5

Week four:

At the end this week, there is the target of a 10K race. This should be run quicker than the 10K in Week One and certainly inside your goal half-marathon pace. Alternatively, you could run a 10K time trial.

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork4 x 1200m, 400m jog (6M total)10K55 mins8/10
WedSteady7M8:4560 mins6/10
ThuFartlek6M (inc 4M fartlek)7:00-9:3055 mins (35 mins fartlek)7/10
FriRest
SatEasy3M9:3028 mins3/10
SunRace10K (target: 45:00 plus 20-min jog)7:30target: 47:00 (plus 20-min jog)10/10
Total 30M 4hrs 25

Week five:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork5 x 800m, 200m jog (6M total)5K55 mins9/10
WedSteady8M8:4570 mins6/10
ThuThreshold5M (inc 3M THR)1/2M45 mins (24 mins THR)8/10
FriRest
SatHills5M (inc 8 x 200m hill)Mile45 mins6/10
SunLong run12M9:001hr 487/10
Total 36M 5hrs 20

Week six:

This week’s target is to run 10 miles at, or near, your target half-marathon pace. This can be at a race, though choice may be limited, or in a time trial.

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork6 x 500m, 200m jog (6M total)5K55 mins8/10
WedSteady6M8:4552 mins6/10
ThuFartlek6M (inc 3M fartlek)7:00-9:3055 mins (20 mins fartlek)7/10
FriRest
SatEasy3M9:3028 mins3/10
SunTime trial10M (target: 45:00 plus 20-min jog)1/2Mtarget: 1:20 (plus 20-min jog)9/10
Total 33M 4hrs 50

Week seven:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork10 x 200m, 100m jog (5M total)5K50 mins7/10
WedSteady8M8:4570 mins6/10
ThuThreshold6M (inc 4M THR)1/2M50 mins (32 mins THR)8/10
FriRest
SatFartlek5M (inc 3M fartlek)7:00-9:3055 mins (30 mins fartlek)5/10
SunLong run13M9:002hrs9/10
Total 37M 5hrs 45

Week eight:

It may seem strange that we suggest running a 13.1-mile time-trial or race in the build up to... running a 13.1-mile race. But there’s a logic, and for this week’s target we do suggest you try to hold something in reserve: use it to see how your fitness is progressing and how close you can run to your target time. Don’t worry if you can’t manage your goal pace in Week Eight, you will gain fitness over the final month and the run itself will increase your chances at the end of Week 12.

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork5x 1K, 200m jog (6M total)5K55 mins8/10
WedSteady6M8:4552 mins6/10
ThuHills6M (inc 8 x 200m)Mile55 mins7/10
FriRest
SatEasy3M9:3028 mins3/10
SunRace/t-trial13M (target: 45:00 plus 20-min jog)8:101hr 47 (plus 16-min jog)9/10
Total 36M 5hrs 25

Week nine:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork5 x 800m, 100m jog (6M total)5K55 mins8/10
WedSteady5M8:4544 mins5/10
ThuThreshold6M (inc 4M THR)1/2M52 mins (32 mins THR)7/10
FriRest
SatFartlek6M (inc 4M fartlek)7:00-9:3055 mins (35 mins fartlek)6/10
SunLong run14M9:002hrs 59/10
Total 37M 5hrs 30

Week 10:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork10 x 400m, 100m jog (6M total)5K55 mins8/10
WedSteady7M8:4560 mins5/10
ThuThreshold6M (inc 4M THR)1/2M52 mins (32 mins THR)7/10
FriRest
SatHills6M (inc 10 x 200m hill)Mile55 mins6/10
SunLong run15M9:002hrs 159/10
Total 40M 6hrs

Week 11:

For this week’s 10K target race we are suggesting a flat-out effort: As long as you take it easy after the 10K, the effort will enhance your half-marathon prospects the following week.

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork3 x 1M, 200m jog (6M total)5K55 mins8/10
WedSteady6M8:4552 mins6/10
ThuFartlek5M (inc 3M fartlek)7:00-9:3045 mins (25 mins fartlek)7/10
FriRest
SatEasy3M9:3028 mins3/10
SunRace10K (target: 45:00 plus 20-min jog)7:15target: 45:00 (plus 20-min jog)10/10
Total 28M 4hrs 5

Week 12:

DaySessionDistancePaceTimeIntensity
MonRest
TueSpeedwork8 x 300m, 100m jog (5M total)5K50 mins8/10
WedSteady4M8:4535 mins5/10
ThuEasy4M (inc 6 x 150m strides)9:3040 mins6/10
FriRest
SatEasy3M9:3028 mins3/10
Sun1/2M Race(target: 45:00 plus 20-min jog)8:00target: 1:44:45 (plus 15-min jog)10/10
Total 31M 4hrs 30

Not the training plan for you? We've rounded up the best half-marathon training plans for every level of runner here.