There’s a common way people try to become well-rounded athletes, and it almost never works. They find a solid strength program. They find a well-regarded 10K plan. They run both at the same time and assume the results will add up.
What usually happens instead is that both stall. The squat numbers flatten. The tempo runs feel heavier every week. Somewhere around week six, something tweaks, and the whole thing gets abandoned in favor of picking one discipline.
Exercise scientists call this the interference effect, and it’s the central problem in hybrid training. Endurance work and strength work send partially conflicting signals to the body, and they compete for the same limited pool of recovery. Do a heavy lower-body session on Tuesday and a threshold run on Wednesday, and Wednesday’s run is being performed on legs that haven’t finished the job from the day before. The run gets worse. The adaptation from the lift gets worse. Neither session does what it was designed to do.
The frustrating part is that neither program is wrong. Both might be excellent in isolation. The problem is that they were written by people who had no idea the other one existed.
Samuel Owers built RYVOLVE around this specific gap. He’s a hybrid founder whose projects sit across the fitness space, and the app’s premise is that strength, running, and conditioning have to be programmed as one plan rather than three that happen to share a calendar. Session order matters. Recovery windows matter. Which day carries the hard running and which carries the heavy lifting is a decision, not an accident.
Some of the fixes are things a well-informed athlete can apply on their own. Separate hard lower-body lifting and hard running by as much time as the week allows. Don’t stack two high-intensity sessions back to back. Accept that easy runs need to actually be easy, because their job is aerobic development, not additional fatigue. Keep the total number of genuinely hard sessions per week to something you can repeat.
The harder part is periodization — deciding what a training block is emphasizing and letting the other qualities sit in maintenance while it does. You can build a squat and build a 5K time simultaneously, but not at the same rate, and pretending otherwise is what produces the plateau. Structured plans handle this by shifting emphasis across blocks rather than pushing everything at once.
RYVOLVE approaches it by sequencing the whole week around it and adjusting when the plan meets reality. Details on how it’s put together are at ryvlapp.com.
What most people discover, once the sequencing is sorted out, is that they weren’t training too little. They were training hard on days that couldn’t support it, then wondering why the numbers wouldn’t move.
Whether that’s an easier fix than it sounds depends mostly on how attached you are to the current week.