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If done correctly, it is possible to “crash train” for a half marathon. Whether it’s an injury, an illness, work stress or scheduling that threw you off track, even just four weeks is enough time to prepare for a successful 13.1-miler provided you’re healthy and able to train without further interruptions.
The key to crash training is building fitness quickly without taking big risks. The best tools for fast fitness are frequency and intensity. Doing some kind of cardio almost every day—whether that means running, walking or cross-training—will help you make the most of the time you have.
GETTING STARTED
This plan is perfect if your half marathon is eight weeks away and you’re fit enough to run 5 miles comfortably.
The plan includes “optional” days, when you have a choice to rest, run or cross-train (XT) with non-impact cardio, such as cycling or elliptical training. You’ll get fitter faster if you choose the rest option only when you feel your body needs it.
Each run uses a five-point intensity scale based on ratings of perceived effort (RPE). Heart-rate monitors can be helpful, but going by feel works just as well. Use these guidelines to understand your plan’s intensity scale.
RPE 1: Very Easy—a pleasant effort you feel you could keep up almost indefinitely.
RPE 2: Comfortable—you’re not holding yourself back but you can still easily carry on a conversation.
RPE 3: Comfortably Hard—the highest intensity at which you can speak comfortably.
RPE 4: Hard—after a few minutes at this intensity, your breathing is labored.
RPE 5: Very Hard—an effort that you can sustain for a couple of minutes at most
8-Week Intermediate Plan
CLICK HERE For The 8 Week Intermediate Crash Half Marathon Plan
Week 1
Monday: REST
Tuesday: FAST FINISH RUN 30 min @ RPE 2 + 5 min @ RPE 3
Wednesday: EASY RUN 35 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 35 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 5 x (1 min @ RPE 5/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 35 min @ RPE 2
Sunday: LONG RUN 5 miles @ RPE 2
Week 2
Monday: REST
Tuesday: FAST FINISH RUN 35 min @ RPE 2 + 5 min @ RPE 3
Wednesday: EASY RUN 40 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 35 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 7 x (1 min @ RPE 5/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 40 min @ RPE 2
Sunday: LONG RUN 6 miles @ RPE 2
Week 3
Monday: REST
Tuesday: FAST FINISH RUN 35 min @ RPE 2 + 10 min @ RPE 3
Wednesday: EASY RUN 45 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 40 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 9 x (1 min @ RPE 4/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 45 min @ RPE 2
Sunday: LONG RUN 7 miles @ RPE 2
Week 4
Monday: REST
Tuesday: FAST FINISH RUN 30 min @ RPE 2 + 5 min @ RPE 3
Wednesday: EASY RUN 35 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 35 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 7 x (1 min @ RPE 5/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 35 min @ RPE 2
Sunday: LONG RUN 6 miles @ RPE 2
Week 5
Monday: REST
Tuesday: TEMPO RUN 5 min @ RPE 1 + 10 min @ RPE 2 + 15 min @ RPE 3 + 10 min @ RPE 2 + 5 min @ RPE 1
Wednesday: EASY RUN 45 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 45 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 6 x (2 min @ RPE 4/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 45 min @ RPE 2
Sunday: LONG RUN WITH FAST FINISH 7 miles @ RPE 2 + 1 mile @ RPE 3
Week 6
Monday: REST
Tuesday: TEMPO RUN 5 min @ RPE 1 + 10 min @ RPE 2 + 20 min @ RPE 3 + 10 min @ RPE 2 + 5 min @ RPE 1
Wednesday: EASY RUN 50 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 50 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 5 x (3 min @ RPE 4/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 50 min @ RPE 2
Sunday: LONG RUN WITH FAST FINISH 7.5 miles @ RPE 2 + 1.5 mile @ RPE 3
Week 7
Monday: REST
Tuesday: TEMPO RUN 5 min @ RPE 1 + 10 min @ RPE 2 + 25 min @ RPE 3 + 10 min @ RPE 2 + 5 min @ RPE 1
Wednesday: EASY RUN 55 min @ RPE 2
Thursday: OPTIONAL: WALK, RUN or XT 50 min @ RPE 1-2 or Rest
Friday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 4 x (4 min @ RPE 4/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Saturday: XT 55 min @ RPE 2
Sunday: LONG RUN WITH FAST FINISH 9 miles @ RPE 2 + 2 mile @ RPE 3
Week 8
Monday: REST
Tuesday: TEMPO RUN 5 min @ RPE 1 + 10 min @ RPE 2 + 20 min @ RPE 3 + 10 min @ RPE 2 + 5 min @ RPE 1
Wednesday: EASY RUN 45 min @ RPE 2
Thursday: INTERVAL RUN/WALK 5 min @ RPE 1 + 5 min @ RPE 2 + 4 x (2 min @ RPE 4/2 min @ RPE 1) + 5 min @ RPE 2 + 5 min @ RPE 1
Friday: XT 35 min @ RPE 2
Saturday: REST
Sunday: HALF MARATHON!
Check out our other training plans!