Riding is much harder - I have to walk
Running is much harder - I have to walk
They are about the same
Riding is harder
Running is harder
other; explain
"My predominant feeling is one of gratitude. I have loved and been loved;I have been given much and I have given something in return...Above all, I have been a sentient being, a thinking animal, on this beautiful planet, and that in itself has been an enormous privilege and an adventure." O. Sacks
on a bike, I can take 2 second rests. Running up a hill I can't. The other thing about riding is that you can change yuor position and use different muscle groups to climb. Running, you don't have that luxury.
running is harder. Even on a 15+% grade. This is just me though.
I was only really good at sprinting (or hurdling) as a runner, and I couldn't stand even very mild grades. It needed to be a flat and fast track. So with that in mind, I say running up hills is always harder. The only times I've been forced to walk my bike, the gradient was too steep for running. In fact, in cycling shoes and pushing up my pretty light road bike, walking was difficult. The grades were over 20%.
Does hurdling involve running at speed over large gates that I would consider jumping only on a horse? I tried one (yes, one) ONCE. Pain, embarrassment, laughter from the peanut gallery, and a permanent branding that would follow me through high school ensued. Not pretty.
For me, running is easier, especially as the incline increases.