By RunDoyen.
Featuring coaching insights from Jacob Phillips.
RunDoyen connects runners with expert online running coaches and race-focused training plans built around real goals, real schedules, and long-term progress.
TL;DR
- Summer cross-country training should develop both aerobic strength and the ability to run fast.
- Build the aerobic side progressively: easy running, weekly long runs, progression runs, tempo runs, then tempo repeats.
- A summer long run can generally stay at or below about 25% of weekly mileage.
- Keep speed in the program from the beginning with relaxed strides, then progress toward longer repetitions, hills, and race-specific work.
- Controlled progression matters. Many summer sessions should leave you feeling that you could have continued a little farther or faster.
- Sleep, hydration, nutrition, recovery, and consistent execution support the training itself.
If you want this kind of progression adapted to your current mileage, schedule, experience, and fall goals, RunDoyen can match you with an online running coach who can build the training around you.
Table of Contents
- Why summer training matters for cross country
- Build aerobic strength before chasing race pace
- Develop speed throughout the summer
- A simple summer cross-country training progression
- Common summer training mistakes
- Safety and when to get help
- Build the summer, then race the fall
Why Summer Training Matters for Cross Country
A strong cross-country season is rarely built after the racing schedule begins. Summer is where runners have an opportunity to develop the aerobic strength, durability, rhythm, and basic speed that make more specific fall training possible.
A useful way to simplify the summer is to think about two qualities developing at the same time:
Aerobic strength: the ability to handle sustained running through easy mileage, long runs, progression runs, tempo work, and eventually longer aerobic repetitions.
Speed: the ability to run fast with smooth mechanics and good rhythm through strides, short repetitions, hills, and eventually race-specific workouts.
The goal is not to make June look like championship season. Summer training should move from general preparation toward more specific work gradually.
That principle is central to effective base training for runners. Early training establishes the foundation. Later training can build on it.
For cross-country runners, that distinction matters because the season eventually demands both. Athletes need the strength to run continuously over grass, hills, mud, and changing terrain, but they also need enough speed and efficiency to race well when the pace changes.
Build Aerobic Strength Before Chasing Race Pace
Start with easy running
Most running during the summer will still be easy running.
Easy does not need to mean an arbitrary slow pace. The important qualities are relaxation and control. The appropriate pace can change with fitness, weather, fatigue, terrain, and the athlete.
That makes easy running a skill as much as a pace prescription. Athletes should learn how relaxed running feels and avoid turning ordinary mileage into an unnecessary daily test.
RunDoyen’s guide to easy run pace and recovery days provides additional context for keeping easy days appropriately controlled.
Increasing mileage can also be part of summer development, but the objective is consistent aerobic work, not simply accumulating the largest possible number.
Add a weekly long run
Long runs are one of the major aerobic-building tools of the summer.
A useful guideline from this coaching framework is to complete one long run each week and keep it to no more than about 25% of weekly running volume.
For a runner completing 40 miles in a week, that works out to approximately 10 miles.
As fitness improves, the final portion of a long run can become stronger. Rather than forcing the pace from the beginning, an athlete might gradually run faster over the final third while maintaining control.
This creates an important theme that carries into other summer workouts: finish stronger without emptying the tank.
Progress to progression runs
Progression runs form the bridge between ordinary aerobic mileage and more structured tempo work.
The concept is simple: start easy and gradually get faster.
One example begins with a six-mile progression run in which the final two miles are run at a steadier effort. Over time, that can develop into an eight-mile run, and eventually an eight to ten-mile progression run in which the athlete continues to increase the pace while staying under control.
The standard is not whether the athlete can survive the final mile. A successful progression run should still feel sustainable enough that the runner finishes believing there was some running left.
That makes progression runs especially useful before introducing harder sustained aerobic sessions.
Introduce tempo runs and tempo repeats
Once an athlete handles progression runs well, the training can become more structured.
A continuous tempo run may last approximately 20 to 30 minutes. In the framework described here, the faster end of the effort can approach roughly 60 seconds per mile slower than mile PR pace. An athlete beginning tempo work may start more conservatively and gradually work toward that effort.
Tempo repeats use a similar aerobic emphasis but divide the running into repetitions with short recovery. The faster end may approach roughly 45 seconds per mile slower than mile PR pace, with approximately one minute of recovery per mile of work.
For example, four one-mile repetitions could use one minute of recovery after each repetition.
The important feature is still control. The goal is not to turn every tempo session into a race.
Develop Speed Throughout the Summer
Aerobic development gets most of the attention during summer base training, but speed should not disappear.
Running fast is a skill. Maintaining some fast, relaxed running helps athletes preserve rhythm, mechanics, and efficiency while most of their weekly volume stays aerobic.
Begin with strides
Strides can start early in the summer alongside easy mileage.
A typical session might include four, six, or eight repetitions lasting roughly 15 to 20 seconds each, with enough recovery to keep the running smooth.
These can be included two or three times per week after easy runs.
The focus should be rhythm and efficiency rather than strain. Fast running should still look controlled.
Progress toward 200-meter repetitions
After several weeks of strides, a runner can introduce longer fast repetitions.
One example is two sets of four to five 200-meter repetitions around mile effort. The athlete runs the 200 smoothly, jogs 200 meters, then repeats. A longer easy jog separates the sets.
This is faster running, but it is not intended to become an exhausting interval session. The purpose is to extend the rhythm developed through strides while breaking up the steady nature of summer mileage.
Use hills to develop running-specific strength
Later in the base phase, hill repeats can add another layer.
The progression described uses 400-meter hills run strongly rather than sprinted. An athlete may begin closer to tempo effort and gradually work toward cross-country race effort or somewhat faster as the session develops.
The downhill becomes an easy jog recovery.
A session of eight uphill repetitions also includes eight downhill portions, producing a substantial amount of continuous running. That combination makes hills useful for developing both aerobic demand and running-specific strength.
More examples of how hills can fit into training are available in RunDoyen’s guide to hill training for runners.
Only after this foundation is established does the progression move toward traditional race-specific sessions such as longer repetitions near 5K effort.
Runners preparing primarily for that distance can also reference RunDoyen’s 5K training plans for a race-distance framework.
A Simple Summer Cross-Country Training Progression
- Establish easy mileage and a weekly long run. Early summer should emphasize relaxed running, gradually developing weekly volume, and consistently completing the long run.
- Add short strides. Begin fast running early with relaxed 15 to 20-second repetitions after selected easy runs. Keep recovery generous enough that mechanics remain smooth.
- Introduce progression runs. After several weeks of basic mileage, begin finishing selected runs faster. Build from shorter progressions toward longer efforts as control improves.
- Move toward tempo work and longer speed repetitions. Continuous tempo running comes after the athlete has demonstrated good control in progression runs. On the speed side, strides can develop into 200-meter repetitions and eventually hill work.
- Finish the summer with more specific training. Tempo repeats and stronger hill sessions can lead toward race-specific repetitions as the fall season approaches. The progression should move from general work toward specific work rather than jumping immediately to race pace.
The aerobic and speed progressions happen alongside each other. One develops the engine, while the other maintains the ability to run efficiently at faster speeds.
A broad summer progression might therefore look like this:
Early summer: Easy mileage, weekly long runs, strides.
Early to mid-summer: Continued mileage and long runs, progression runs, strides, then longer 200-meter repetitions.
Later summer: Progression runs transitioning toward tempo runs and tempo repeats, plus hill repetitions and eventually more race-specific running.
The exact calendar will vary by athlete, school schedule, training history, and the date competitive racing begins. The important idea is the order.
Common Summer Training Mistakes
- Turning easy days into moderate workouts. Most summer mileage should remain controlled enough to support the harder work that follows.
- Increasing everything at once. Mileage, long-run length, tempo volume, hills, and faster repetitions do not all need to jump simultaneously.
- Starting race-specific workouts too early. Summer training should progress from general preparation toward specific preparation.
- Skipping strides because it is “base season.” Short, relaxed fast running can remain part of training even when aerobic development is the primary focus.
- Racing progression or tempo runs. These sessions should usually finish with something left in reserve.
- Ignoring recovery habits. Consistent sleep, nutrition, hydration, and recovery choices support the training load.
- Following someone else’s workout instead of your own program. High school and college athletes should prioritize the training progression established by their own coach.
Safety and When to Get Help
Summer adds environmental stress to training. Hot conditions can change how a normal pace feels, so runners may need to adjust effort according to the weather.
Hydration matters, and running earlier in the morning or later in the evening can help athletes avoid the hottest part of the day. Shaded routes may also make summer running more manageable.
Training should remain progressive. Adding substantial mileage, longer runs, tempo work, and demanding hill sessions too quickly can undermine the consistency the summer is supposed to build.
General guidance: Persistent or worsening pain, symptoms that alter normal running mechanics, or health concerns that make training unsafe warrant evaluation from an appropriate qualified health professional. This article is educational and is not a diagnosis or rehabilitation plan.
Build the Summer, Then Race the Fall
Successful summer cross-country training does not require making every workout complicated.
Build aerobic strength through easy mileage and long runs. Progress toward stronger aerobic work through progression runs, tempo runs, and tempo repeats. At the same time, maintain fast running through strides, longer repetitions, and hills.
Most importantly, let one phase prepare you for the next.
A runner who reaches the end of summer with a larger aerobic foundation, consistent fast-running mechanics, and enough reserve to handle more specific work is positioned to enter the competitive season ready to build rather than trying to catch up.
For runners who want individualized guidance through that process, RunDoyen’s running coaches can build an online run coaching approach around the athlete’s current training, schedule, and racing goals.
FAQ
How important is summer training for cross country?
Summer provides the foundation for the fall season. The framework here uses summer to develop aerobic strength through mileage, long runs, progression runs, and tempo work while maintaining speed through strides and progressively faster training.
How often should cross-country runners do a long run in the summer?
The coaching framework described here recommends one long run per week during summer base training. It also suggests keeping the long run to no more than about 25% of weekly volume.
What should a 40-mile week look like for the long run?
Using the 25% guideline, a runner completing 40 miles in a week would have a long run of roughly 10 miles.
When should tempo runs begin during summer cross-country training?
Tempo running should follow a foundation of easy mileage, long runs, and successful progression runs. In the seasonal example described here, progression work develops through early summer before continuous tempo work is introduced later.
Should cross-country runners do speed work during base training?
Yes, but the early speed work can be simple and controlled. Short strides can begin alongside easy mileage, followed later by longer 200-meter repetitions, hill repetitions, and eventually race-specific workouts.
How fast should a tempo run be?
The faster end of the tempo range described in this framework is about 60 seconds per mile slower than mile PR pace. Early tempo sessions can begin more conservatively and progress toward that effort. The emphasis is controlled aerobic running rather than an all-out effort.
How can an online running coach help with summer cross-country training?
An online running coach can individualize mileage, long-run length, workout progression, recovery, and the timing of more specific training based on the runner’s experience, schedule, and race calendar. That can be especially useful because the same summer progression will not fit every runner identically.


