You run the Lake Natoma trail on Saturday mornings. You’d like to run it faster, with less soreness on Monday, and without your knees feeling like they’re held together with packing tape by August.
Strength training is the answer. Most runners know this. Almost no runner does it well. The two main failure modes: doing pure bodybuilding and getting bigger but not faster, or doing P90X-style “functional” work that’s neither strength nor running and helps with neither.
Here’s a two-day hybrid program designed specifically for adult trail runners in Folsom — built around your weekend mileage, designed for two 45-minute sessions a week, focused on the stuff that actually transfers to running.
Why Strength Training Helps Runners
The research is unambiguous. A 2014 meta-analysis of 26 studies on concurrent strength and endurance training found running economy improved 2–8% with as little as 6 weeks of structured strength work — without slowing endurance gains.
Translation: the same effort produces faster times. For someone running the Folsom Lake trail at 8:30 pace, a 5% economy improvement is the difference between a 50-minute and a 47-minute 10K — without running any harder.
Strength work also reduces injury risk. A 2013 systematic review in the British Journal of Sports Medicine found that strength training reduced sports injuries by roughly one-third compared to no strength training. For trail runners — where uneven terrain creates lateral and ankle stress — that protective effect is even more pronounced.
The Program
Two sessions a week. Tuesday and Thursday is the cleanest pattern. Weekend long run stays sacred. Monday and Wednesday are easy run or rest days.
Tuesday: Lower Body Strength
Warm-up (10 min): hip flow, ankle mobility, glute bridges, single-leg balance.
- Trap bar deadlift — 4 sets of 5 reps at 70–80% of 5RM. Rest 2 min. The trap bar is friendlier than a straight bar for most runners’ hip mobility and lower back.
- Bulgarian split squat — 3 sets of 8 per leg, dumbbells in each hand. Rest 90 sec. Single-leg work is the highest-transfer movement for running. Do not skip this.
- Single-leg Romanian deadlift — 3 sets of 6 per leg, light dumbbells. Rest 60 sec. Builds posterior chain and ankle stability simultaneously.
- Calf raises — 3 sets of 12, slow on the lowering phase. Standing, on a step. Hits the gastrocnemius (the part you actually use to run).
- Side plank — 3 sets of 30 seconds each side. Lateral hip stability prevents the IT band issues that show up at mile 6.
Total time: 45 minutes.
Thursday: Upper Body + Posterior
Warm-up (8 min): thoracic mobility, scapular activation, banded rows.
- Pull-ups (or assisted) — 4 sets of 5–8 reps. Rest 90 sec. Posture work — counters the rounded-shoulder pattern that worsens with mileage.
- Push-ups (or DB bench press) — 4 sets of 8–12 reps. Rest 90 sec. Pairs with pull-ups for balanced upper-body work.
- Single-arm DB row — 3 sets of 10 per side. Rest 60 sec. More posture work plus core anti-rotation.
- Pallof press — 3 sets of 10 per side. Anti-rotation core work that transfers directly to running stability on uneven terrain.
- Farmer’s carry — 3 sets of 30-meter walks with heavy dumbbells. Grip, posture, and obliques all in one.
Total time: 45 minutes.
How to Schedule This Around Running
The hardest part of concurrent training is recovery management. Some rules:
- Don’t strength-train the day before a long run. If your long run is Saturday, your last strength session is Thursday at the latest.
- Don’t strength-train the day after a long run. Sunday is rest or easy walking. Monday can be light strength if needed, but Tuesday is cleaner.
- If you race, deload strength two weeks out. Drop volume by 50% but keep intensity. The freshness lets you peak without losing the strength gains.
- Eat after strength sessions. Concurrent training raises protein needs to roughly 1.6–1.8g per kg bodyweight per day. Most adult runners under-eat protein by 30–50g.
What to Expect
First 4 weeks: legs will feel heavier on runs. This is normal. Don’t panic and quit.
Weeks 5–8: legs start feeling stronger on hills. The Empire Ranch incline that used to wreck your legs becomes the section where you pull away from your running buddies.
Weeks 9–12: pace at the same heart rate drops. You’re running faster without working harder. The economy gains kick in.
By month four: the post-long-run soreness on Monday is shorter and less severe. The recurring tendon flare-ups in your knees or Achilles get less frequent.
What This Won’t Do
It won’t replace running. Strength training is a complement, not a substitute. If you stop running on Saturdays, you’ll still get slower at running.
It won’t make you bulky. Two strength sessions a week is far below the volume required for serious hypertrophy. You will not wake up looking like a powerlifter.
It won’t immediately make you faster. The first 4–6 weeks are an investment. The payback shows up in month two and compounds from there.
Where to Run This Program
You can do this in any gym with a trap bar, a pull-up bar, dumbbells, and a bench. We have all of that at GForce, plus coaches who’ll cue your form on the lifts that matter most for runners — the single-leg work and the trap bar deadlift in particular.
If you’d rather do the whole thing yourself, that works too. The program is the program.
If you want a coach to walk you through it once, then check in monthly to make sure your numbers are progressing — that’s exactly what we do at GForce. Stop in for a free intro session and we’ll set you up.