10k Training: Why Lifting Weights Will Stop You Running Like a Fragile Stick Insect

10k Training: Why Lifting Weights Will Stop You Running Like a Fragile Stick Insect

Published on: 05 May 2025

Author: Phil Knox

Categories: Beginner's Corner

Running is great. It burns calories, boosts fitness, and makes you feel like a majestic athlete, until you try to lift something heavier than a water bottle and your arms immediately send a resignation letter to your brain.

That’s where strength training and cross-training come in. Because running alone won’t make you bulletproof, it’ll just make you really good at breaking in specific ways.

So, let’s talk about how to run stronger, avoid injuries, and stop looking like a human breadstick with legs.

Strength Training: Because Runners Have Legs… And Nothing Else

Most runners think strength training is optional, like stretching, or pretending to enjoy sports drinks that taste like sadness. But it’s actually essential.

🏋️ Why You Need Strength Training:
Stronger legs = More power = Faster running. Want to smash that 10K? Get some muscle behind those twigs you call legs.
Core strength = Better posture. No more slouching like an exhausted goblin by kilometre five.
Stronger muscles = Fewer injuries. Your knees will finally stop whispering death threats after every long run.

🔹 Best Strength Exercises for Runners

  • Squats: Because strong glutes = less knee pain. And, bonus, you’ll get a decent backside out of it.
  • Lunges: Single-leg strength, balance, and the opportunity to regret every life decision the next day.
  • Planks: Core stability is key. Also great if you enjoy shaking uncontrollably while questioning your choices.
  • Deadlifts: If you want bulletproof hamstrings instead of “I tore something stepping off a curb” hamstrings.

💡 Pro Tip: Strength training twice a week is enough. Unless your goal is to become a gym bro, in which case this is not the article for you.

Cross-Training: Running’s More Interesting, Less Painful Cousins

Cross-training is when you do literally anything other than running to improve your running. It’s like cheating… but in a way that’s actually good for you.

🚴 Best Cross-Training Activities for Runners:
Cycling: Builds leg strength and endurance without pounding your joints into dust.
Swimming: Zero impact, full-body workout, and a great way to feel athletic while flailing like a drowning cat.
Rowing: If you want legs and arms to suffer equally.
Elliptical: Running without the impact. Also, a great way to stare at a wall for 40 minutes questioning your existence.
Yoga/Pilates: Flexibility, balance, and a chance to finally touch your toes without hearing something crack.

🔹 How Often Should You Cross-Train?

  • Once or twice a week. Enough to get benefits, but not so much that you forget how to actually run.

💡 Pro Tip: Choose something you enjoy. Because if you hate it, you won’t do it, the same reason your gym membership is probably gathering dust right now.

Injury Prevention: Because Being Injured Sucks

Want to know what’s worse than a slow run? Not being able to run at all.

🛑 Common Running Injuries & How to Avoid Them:

  • Shin Splints: Caused by overtraining. Solution? Strengthen your calves. Or run on clouds. Whichever is easier.
  • Runner’s Knee: Weak quads and glutes. Do your squats, or prepare to walk downstairs like a baby deer.
  • Tight Hips: Sitting all day makes your hips stiffer than an awkward first date. Stretch them, or they’ll ruin your runs.

🔹 Best Mobility & Flexibility Drills:
Foam Rolling: Hurts like hell but prevents injuries. Basically, self-inflicted pain for long-term gain.
Hip & Hamstring Stretches: Because tight muscles = bad running form = crying in a heap.
Dynamic Warm-ups: Don’t just step outside and start sprinting. Your muscles need a heads-up first.

💡 Pro Tip: Prevention is easier than rehab. Look after your muscles now, or spend weeks on the injury bench scrolling through old race photos, reminiscing about the good times.

Final Thought: Lift Heavy, Cross-Train, Don’t Break

If you:
✅ Do some strength training,
✅ Cross-train to give your joints a break,
✅ Stretch so your body doesn’t rebel against you,

…you’ll run faster, hurt less, and actually enjoy this 10K.

Or, you know, you can skip all this and see how long your knees last. Your call.

See you next Monday for "Nutrition for Runners: What to Eat Before, During & After Training" or as I like to call it, "How to Justify Eating an Entire Pizza After a 5K Run."