How to Taper for a Marathon Without Losing Strength

April 17, 2026

I'm writing this one week out from the Vienna Marathon, in the middle of my taper. As a former powerlifter (300kg deadlift) currently chasing sub-3:30, the taper is uniquely stressful for hybrid athletes — you're reducing running volume but you also need to manage strength training so you arrive on the start line with fresh legs AND without losing the neuromuscular patterns you've spent months maintaining.

Here's exactly what i did, with real numbers.

The taper in numbers

My peak running week was 62km. Here's how it came down:

Week	Volume	Change
3 weeks out	59km	-5%
2 weeks out	47km	-24%
1 week out	46km	-26%

The first week barely drops. The real taper starts at 2 weeks out. This follows the general consensus in taper research — a 2-3 week taper with a 40-60% total volume reduction is well supported (Mujika & Padilla, Bosquet et al.). The key finding across studies: reduce volume, maintain intensity. Starting too early or cutting too aggressively costs fitness, not just fatigue.

What happened to my running when i tapered

The best evidence that the taper works came from comparing two long runs:

3 weeks out: 30km at 5:09/km, average HR 143
2 weeks out: 20km at 4:56/km, average HR 143

Same heart rate. 13 seconds per kilometer faster. Shorter distance, sure, but the efficiency gain is real. That's fatigue coming off while fitness stays.

By 1 week out, i ran 18km at 4:48/km with a heart rate of 150. That wasn't planned — it was supposed to be an easy run but it felt so good i kept pushing. Biggest confidence boost of the whole prep.

How i handled strength during the taper

This is where most hybrid taper advice falls short. Running-focused articles say "just stop lifting." Strength-focused articles don't address marathon taper at all. Here's what i actually did:

The principle: same weight, fewer reps

The "maintain intensity, reduce volume" principle is well established for endurance taper. For strength during a running taper, the research is thinner — there's very little on hybrid athletes specifically. But the logic transfers: intensity preserves neuromuscular adaptations while volume is what drives fatigue and muscle damage.

I kept training 2 strength sessions per week through the entire taper. Reduced reps per set while keeping the weight the same. The goal: your body keeps recruiting those motor units without the recovery cost that would compromise race day.

The actual numbers

Deadlift:

Week	Load
3 weeks out	170kg x5, 3 sets
2 weeks out	170kg x3, 3 sets
1 week out	170kg x3, 3 sets, RPE 7

Same weight the entire taper. Just fewer reps. RPE never above 7. The goal is to touch the weight, not to train to failure.

Squat:

Week	Load
3 weeks out	100kg x4, 3 sets
2 weeks out	100kg x4, 3 sets
1 week out	100kg x3, 3 sets, RPE 7

Squat barely changed because it was already low. My squat has taken the biggest hit during marathon prep (down from 110kg x5 at the start), and during taper, the priority is fresh legs, not squat progression.

Bench:

Week	Load
3 weeks out	100kg x4
2 weeks out	DB 35kg x6
1 week out	DB 30kg x10

Bench is the lift you can be most relaxed about during taper — upper body doesn't compete with running for recovery. I just kept pressing and didn't overthink it.

When to do the last session

My last strength session was 6 days before race day. Some people cut lifting earlier. There's no clear consensus on this for hybrid athletes — most marathon taper guides don't address strength at all. Personally, going more than a week without touching weights makes me feel sluggish. A light session with familiar movements keeps things feeling "normal." Your mileage may vary.

What i'd do differently

Honestly, not much. The structure worked. If anything, i could have been more aggressive with the squat taper — dropping to 2 sets instead of 3. But the RPE was low enough that it probably didn't matter.

The one thing i'd add: more deliberate mobility work in the final week. When running volume drops, your body has more time to tighten up. A few minutes of hip and ankle mobility daily would help arrive at the start line feeling loose.

The mental game

Taper is harder mentally than physically. Every run feels too easy. You want to "test" yourself with one more hard session. You second-guess whether the fitness is there.

The data helps. When i saw that 20km at 4:56 on the same heart rate as my 30km the week before, i could stop worrying. The fitness is there. Now the job is to not add stress.

For hybrid athletes specifically, there's an extra layer: watching your strength numbers drop (fewer reps, lighter dumbbells) while also running less feels like you're getting worse at everything. You're not. You're peaking — which means shedding the fatigue that's been masking your fitness for months.

The template

This is what worked for me. The running taper percentages are in line with published research. The strength side is my own approach — there's not enough hybrid-specific taper research to call it proven, but the underlying principle (maintain intensity, cut volume) is sound. If you're a hybrid athlete tapering for a marathon:

3 weeks out: Drop running volume 5-10%. Strength stays the same.
2 weeks out: Drop running 20-25%. Reduce strength reps by 1-2 per set, keep weight the same.
1 week out: Running at 25-30% below peak, all easy. Strength: same weight, minimum effective reps, RPE 7 cap. Last session 5-7 days before race.
Race week: 2-3 short easy runs. No strength. Trust the process.

Keep the structure. Drop the volume. Maintain the intensity signal. Arrive fresh.

I'm documenting my full Vienna Marathon prep here — week-by-week from 9 weeks out through race day. And if you want a training plan that manages strength and running taper automatically, HybridX does exactly that.