What Nobody Tells You About Summer Base Building

Every July I get the same question from parents: "Should my kid be running a lot right now, or resting?" The answer is both, just not at the same time. I've had this conversation probably four times already this month, usually standing in a parking lot after an open run, so let's just settle it here.

Summer is where cross country seasons actually get won. Not September, not the first week of practice, not that scramble right before your first invite. June, July, and August are the months that matter most, and most people don't realize it until it's too late to fix. If you're waiting until day one of official practice to start building mileage, you're already a step behind the kids who've been quietly logging easy miles since the last bell rang in May.

Here's the part that gets lost in all of this, though, and I think it's the part parents worry about the most: building a base doesn't mean grinding through max effort runs five days a week. It's not a boot camp. It's actually kind of boring, honestly, and that's the point. It's a steady diet of easy aerobic running your body can absorb without breaking down, mixed with real rest days where your kid isn't doing anything athletic at all. Not cross-training "instead," not a bike ride "just to stay loose." Rest means rest.

I see two mistakes every single summer, without fail.

The first is the runner who does absolutely nothing for six or seven weeks and shows up on day one hoping muscle memory just kicks back in. It doesn't work that way. Fitness doesn't hibernate and wake up refreshed — it leaves, and it leaves fast. Two weeks off is fine. Two months off is a different conversation.

The second mistake is newer, and honestly it's the one I worry about more these days: the kid who trains way too hard, way too soon, because they saw somebody's mileage on Strava and panicked. I get it — you see a teammate posting 50-mile weeks in June and suddenly your own training looks lazy by comparison. But racking up big miles in July feels productive right up until it isn't. If the pace on your "easy" runs keeps creeping up every week because you're chasing a number instead of listening to your legs, you're not building a base. You're digging a hole you'll be standing in come September, wondering why you feel flat during the part of the season that actually counts.

My rule for the kids I coach, and I mean this pretty literally: 80-90 percent of your summer runs should feel like you could hold a conversation the whole time. If you can't talk to the person next to you without gasping, you're running too fast for what a base-building day is supposed to be. Save the real effort for one day a week, maybe two if you're older and more experienced — some strides, a loose fartlek, nothing structured, nothing that leaves you sore. Just enough to remind your legs what turnover feels like so they're not shocked back into it later.

Something people underestimate too: sleep and food matter more in the summer than at any other point in the year, and it's not close. During the school year, there's a built-in structure — practice at a set time, dinner at a set time, bed because you've got first period at 7:45. Summer strips all of that away. Kids stay up later, eat more inconsistently, and suddenly the training log looks fine but recovery is a mess. I'd honestly rather see a runner do slightly less mileage and sleep eight or nine hours a night than hit some arbitrary number on four hours of sleep and a gas station dinner.

The kids who show up to August practice ahead of everybody else are almost never the ones who ran the most miles in July. They're the ones who were consistent. Showed up most days. Stayed healthy. Didn't blow themselves up in week three trying to prove something to a teammate or to themselves. It's not flashy advice, and I know it doesn't feel as satisfying as a big number, but it's the truth every single year.

If you're a parent reading this and wondering what your kid's mileage should actually look like, that's a conversation to have directly with your coach — it's going to look completely different for a rising freshman than it does for a rising senior who's already run two full seasons. There's no universal number I can hand out here that applies to everybody. But the underlying principle never changes, no matter the age or the mileage: run easy now so you can run strong later. That's the whole game in July. Everything else is just noise.

About the Indiana Distance Collective

The Indiana Distance Collective is a training program built for runners chasing the 800 through the 5K, from first-timers to state qualifiers and college recruits.

It's run by Justin Roeder, who's been coaching middle school, high school, college, and age-group runners for over 15 years. He's got a degree in Exercise Science plus coaching certifications from USA Track & Field, USA Triathlon, and IRONMAN University.

Got a question for Coach Justin? Reach him at indianadistancecollective@gmail.com.