18 Week Half Ironman Training Program

Build Phase
Weeks 1 - 5 focus on quality not quantity.
Weeks 6 - 9 continue to build on endurance (long rides/runs).
Weeks 10 - 16 add some brick workouts and speed sessions.
Weeks 17 - 18 Begin to taper for race day.
 

WK-1 Swim Bike Run
Monday 1000 yds 20 miles  
Tuesday 1000 yds   4 miles
Wednesday   25 miles  
Thursday 1250 yds   4 miles
Friday recovery  recovery recovery
Saturday     5 miles
Sunday   30 miles  
WK-2 Swim Bike Run
Monday 1250 yds 20 miles p.m.  
Tuesday 1250 yds   4 miles
Wednesday   20 miles  
Thursday 1500 yds   4 miles
Friday recovery recovery recovery
Saturday     6 miles
Sunday   32 miles  
WK-3 Swim Bike Run
Monday 1250 yds 20 miles  
Tuesday 1250 yds   4 miles
Wednesday   25 miles  
Thursday 1750 yds   5 miles
Friday recovery  recovery recovery
Saturday     6 miles
Sunday   35 miles  
WK-4 Swim Bike Run
Monday 1250 yds 20 miles  
Tuesday 1500 yds   5 miles
Wednesday   25 miles  
Thursday 2000 yds   3 miles
Friday recovery  recovery recovery
Saturday     8 miles
Sunday   30 miles  
WK-5 Swim Bike Run
Monday 1250 yds 25 miles  
Tuesday 1500 yds   4 miles
Wednesday   25 miles  
Thursday 2000 yds   5 miles
Friday recovery  recovery recovery
Saturday     4 miles
Sunday   40 miles  
WK-6 Swim Bike Run
Monday 2000 yds 20 miles  
Tuesday 1250 yds   4 miles
Wednesday   30 miles  
Thursday 2000 yds   4 miles
Friday recovery  recovery recovery
Saturday     8 miles
Sunday   20 miles  
WK-7 Swim Bike Run
Monday 1500 yds 25 miles  
Tuesday 1500 yds   5 miles
Wednesday   25 miles  
Thursday 2000 yds   6 miles
Friday   20 miles  
Saturday 1500 yds   4 miles
Sunday   35 miles walk 2 miles after bike
WK-8 Swim Bike Run
Monday 2000 yds 20 miles (or recovery)  
Tuesday 1750 yds   5 miles
Wednesday   30 miles  
Thursday 2250 yds   4 miles
Friday   25 miles  jog 1 mile/ walk 1 mile after bike
Saturday 2000 yds   9 miles
Sunday   45 miles
WK-9 Swim Bike Run
Monday recovery recovery recovery
Tuesday 2000 yds   4 miles
Wednesday   30 miles  
Thursday 2500 yds   4 miles
Friday   20 miles  
Saturday 2000 yds   10 miles
Sunday   50 miles walk 2 miles after bike

We Add some Brick Workouts and continue to build endurance.

WK-10 Swim Bike Run
Monday recovery or 2000 yds recovery recovery
Tuesday 2000 yds   6 miles
Wednesday   30 miles  
Thursday 2000 yds   8 miles
Friday   30 miles  
Saturday 2000 yds  
Sunday   Brick workout.  2 x (20 minute bike +  10 min easy run)
WK-11 Swim Bike Run
Monday 2000 yds 30 miles  
Tuesday 4 miles (track or sub-race pace)
Wednesday   40 miles  
Thursday 2500 yds   6 mile tempo run
Friday   25 miles  
Saturday 2000 yds   7 miles
Sunday   Brick workout.  30 mile bike + 20 minute easy run/walk
WK-12 Swim Bike Run
Mon 1750 yds recovery recovery
Tue 2000 yds   5 mile tempo run
Wed   25 miles  
Thur 2000 yds   4 miles
Fri   20 miles  
Sat 3000 yds.   10 miles
Sun   Brick workout. 40 miles + 20 minute easy run/walk
WK-13 Swim Bike Run
Mon 2000 yds 25 miles  
Tue 2000 yds   track workout
Wed   45 miles  
Thur 20o0 yds   4 mile easy run
Fri   35 miles  
Sat 3000 yds.  
Sun   Brick workout.  30 Mile bike + 7 mile easy run
WK-14 Swim Bike Run
Mon 1750 yds  
Tue 2000 yds 25 miles  3 mile easy run
Wed    track workout
Thur 2500 yds  50 miles
Fri    8 miles
Sat 3000 yds.  
Sun   Brick workout. 40 miles + 20 minute run at race pace
WK-15 Swim Bike Run
Mon 1500 yds recovery recovery
Tue 2000 yds  
Wed   Brick workout. 25 miles + 3 miles at sub-race pace
Thur 2000 yds.   9 miles
Fri    25 miles  
Sat   55 miles Walk 2 miles after bike
Sun  recovery  recovery  recovery
WK-16 Swim Bike Run
Mon 2000 yds 25 miles  
Tue     6 miles
Wed 3000 yds 30 miles
Thur 12 miles
Fri
Sat   60 miles
Sun 3000 yds 5 mile run

Taper
Weeks 17 - 18 you should focus on tapering for your race.  These workouts should be easy.  You should finish felling like you can do much more.

WK-17 Swim Bike Run
Mon 2000 yds 25 miles  
Tue     5 miles
Wed 2000 yds 30 miles  
Thur 2000 yds 4 miles
Fri 20 miles
Sat
Sun Brick workout. 20 miles + 3-4 mile jog/walk
WK-18 Swim Bike Run
Mon 2000 yds 20 miles  
Tue     5 miles
Wed 1500 yds 25 miles  
Thur Travel Day Travel Day Travel Day
Fri   2 mile jog/walk
Sat. Race! Race! Race!

 

Swim Workouts

Workout Warm-up Drill set Main set Cool down
Drill Workout 1 300 swim, 200 kick 8x50 balance
4 x 50 swim
4x100 rotation
na 400 swim
Drill Workout 2 400 swim, 100 kick 4 x 100 rotation
2 x 100 swim
4 x 75 distance per stroke
na 300 swim
Drill Workout 3 (balance) 400 swim, 200 kick 4 x 50 balance
100 kick
4 x 100 balance
2 x 200 swim
na 300 swim, 100 kick
Drill Workout 4 400 swim, 100 kick 6 x 50 pull/drill
6 x 100 distance per stroke
4 x 100 pull/drill
6 x 75 distance per stroke
4 x 100 swim
na 400 swim
Tri Drills 1 400 swim, 200 pull 2 x (3x100) inc. intervals for each 300
8 x 100 citing drill
na 400 swim
Endurance Workout 1 300 swim   4 x 100 distance per stroke
2 x 200 increasing interval
3 x 400 easy
400 swim
Endurance Workout 2 300 swim   8 x 100
4 x 200
2 x 400
400 kick
Endurance Workout 3 300 swim 100 kick 4 x 100 distance per stroke 1 x 400
2 x 600
1 x 800
300 swim, 100 kick
Endurance Workout 3 300 swim 100 kick 4 x 100 pull/drill 2 x 600
1 x 1000
200 swim, 100 kick

 

Track Workouts

Warm-up Main set Cool down
1 mile + stretch 2 x (2 x 800) increasing interval on 2nd 800
400 recovery between 800
1 mile
1 mile + stretch 2 x 400 (200 recovery)
2 x 1200 (400 recovery)
1 mile
1 mile + stretch 4 x 1600 (3 minute recovery) 1 mile
1 mile + stretch 3 x 2000 (4 minute recovery) 1 mile

 

Cycling Workouts

Warm-up Main set Cool down
15 minutes 6 x 3 minute intervals (2 minute recovery) 30 minutes
15 minutes 6 x 6 minute intervals (2 minute recovery) 30 minutes
15 minutes Hill repeats
6 x (2:00 minute hill climb 4:00 minute recovery)
30 minutes
20 minutes Sprint intervals
8-12 x (1 minute sprint/30 second recovery)
30 minutes