There are few movements that tick as many boxes as the walking lunge. Done well, it will light up your quads, glutes and hamstrings, challenge your balance and coordination, and build the kind of single-leg strength that carries over into almost everything else you do. Load it up, add a bit of distance, and you’ve also got a serious conditioning tool on your hands.
This protocol leans all the way into that. Combining loaded walking lunges with enforced running penalties, it builds lower-body muscle, full-body stability and develops the ability to keep moving under fatigue – one of the most underrated qualities in fitness. Your lungs will be working, your grip will be tested and your legs will be under near-constant tension from start to finish.
It’s simple on paper, but simple ain’t easy.
The 400m Walking Lunge Challenge
Grab a pair of dumbbells (10-25kg) and head to a track or field. Start at the line and begin lunging forward, covering as much distance as you can without dropping the weights. Every time you have to put them down, run a full 400m lap back to your dumbbells, pick them up, and continue where you left off.
Your goal is to complete a total of 400m of walking lunges as quickly as possible.
Every drop costs you a full circuit.
What to read next
Treadmill Alternative
No track? No worries.
Instead, perform 400 total reps of static lunges (alternating legs), holding your dumbbells at your sides. Every time you drop the weights, hop onto the treadmill and run 400m before returning to your lunges.
Continue until all 400 reps are complete.
Coach’s Notes
Pace your early efforts. The first 50-100 metres (or reps) will feel manageable, but fatigue builds quickly, and every unnecessary drop adds another 400m to your tally.
Your grip is going to be the limiting factor, so it’s vital you let those forearms recover on the runs. Let your hands hang free and breath steadily.
Get it right, and this is a brutally effective way to build muscle, engine and resilience in one hit.
With almost 18 years in the health and fitness space as a personal trainer, nutritionist, breath coach and writer, Andrew has spent nearly half of his life exploring how to help people improve their bodies and minds.
As our fitness editor he prides himself on keeping Men’s Health at the forefront of reliable, relatable and credible fitness information, whether that’s through writing and testing thousands of workouts each year, taking deep dives into the science behind muscle building and fat loss or exploring the psychology of performance and recovery.
Whilst constantly updating his knowledge base with seminars and courses, Andrew is a lover of the practical as much as the theory and regularly puts his training to the test tackling everything from Crossfit and strongman competitions, to ultra marathons, to multiple 24 hour workout stints and (extremely unofficial) world record attempts.
You can find Andrew on Instagram at @theandrew.tracey, or simply hold up a sign for ‘free pizza’ and wait for him to appear.
