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in Runners' Roundup, Running, Running Tips, Training · August 20, 2025

How to Use Tune-Up Races During Marathon Training

During marathon training it can be fun and helpful to run other races, such as a 5k, 10k, or half marathon. These shorter races can offer benefits such as seeing where your fitness is and just getting used to being in a race environment. However, you want to make sure that you can still follow your training plan effectively. If you are racing every weekend, or running tune-up races too hard, you may compromise your marathon training. Let’s talk about some ways to use tune-up races during marathon training.

During marathon training it can be fun and helpful to run other races, such as a 5k, 10k, or half marathon. These shorter races can offer benefits such as seeing where your fitness is and just getting used to being in a race environment. Let's talk about some ways to use tune-up races during marathon training.

How to Use Tune-Up Races During Marathon Training

Plan Out Your Races

As you start developing your training plan, consider any tune-up races you plan to run and how they will fit into your schedule. If you are doing multiple races during your training block you need to make sure that you can still get in your training mileage. Make sure you don’t schedule a tune-up race too close to your goal race. For a marathon, running a half-marathon at least 4 weeks before your race is ideal. If you are planning to use a tune-up race as a test of your fitness, don’t run it too soon in your training cycle (unless you are getting a baseline for starting training).

Don’t Race Too Close to Your Goal Race

When you are training for a marathon you will be doing your longest long run about 2-3 weeks before your race and then tapering. Running a tune-up race during this period can interfere with your peak weeks of training. If you are racing a half marathon as a tune-up race you should consider that you might need some recovery after that race and not schedule it too close to your important peak weeks.

Use A Tune-Up Race as a Training Run

If you have the self-control to not “race” a tune-up race, you can use it as a training run. In some cases this may mean adding miles on before and/or after the race. For example, if you are running a half marathon but have a 16 mile long run in your schedule, you can run a 2 mile warm up, complete the half marathon, and then run a mile cool down.

During the race portion of your run you can either keep the pace easy or use it as a workout, adding in some marathon or half marathon pace miles throughout the run.

Run a Tune-Up Race to See Where Your Fitness Is

In the middle of your training cycle you can run a tune-up race to test your fitness and to give you a better idea of how you should pace your marathon. The half marathon will give you the best information for this (vs a 5k). The closer the distance is to your goal race, the better. After you run your tune-up race you can plug your results into a running calculator like VDOT or McMillan to see your marathon prediction.

Practice Racing During Your Training Cycle

Tune-up races are great opportunities to practice racing. They give you a chance to get used to the racing environment, to troubleshoot any issues, and to work on mental strength. Try to plan out your morning the same way you would for your goal race. If possible, test out your race outfit to make sure it feels good. Practice your fueling and hydration strategy by either taking water on the course or carrying your own and using the fuel you will use for your goal race. Learn from any issues you have and tweak your strategy before your goal race.

You may also like:
Half-Marathon Training Tips for Beginners
How to Choose a Running Goal Time for a Race
How To Train for a 10k Race: For Beginners to Advanced Runners

Do you ever run tune-up races during marathon training?

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Comments

  1. Catrina says

    August 20, 2025 at 3:01 am

    I’ve definitely learned the hard way that squeezing one in too close to the goal race is not a good idea!
    Using a half marathon with extra warm-up and cool-down miles has worked really well for me, though – it feels like a supported long run with bonus crowd energy.

  2. Debbie says

    August 20, 2025 at 10:35 am

    My favorite thing for myself (when I actually train) or marathon clients is to schedule a half marathon a month out from the goal race. Then make sure they use it as a training run, either by doing most of it at goal pace or by adding in some intervals at a little above goal pace.

  3. Jenn says

    August 20, 2025 at 11:34 am

    I always loved using races when I was training for a marathon or a half marathon. After all, you’re going to be out there anyway, right? It’s a great way to check on your fitness and see how you’re doing.

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Alright, my last post about the Richmond Marathon Alright, my last post about the Richmond Marathon (maybe). This one is about lessons learned/areas for improvement.

1) Starting in the right corral- I knew I wanted to start a little slow but I think I started too far back and I ended up boxed in later in the race. 

2) Increasing fueling- I think I did the best I could on this day but now that I know more about what works/doesn’t work for me I think I can try to get my carbs/hr a little higher for next time

3) Self-doubt- On paper I knew my training showed I could run a certain time. My coach knew I could run a certain time. But deep down did I believe I could run that time? I’m not really sure.

4) My right piriformis- This little muscle has been giving me trouble FOREVER and it likes to rear its ugly head the most during races. I’m working with a PT but it’s hard to address the issue when I can go months without any problems and then at mile 15 of a marathon it starts acting up. So while this is certainly an area for improvement I am not really sure what I’ll be able to do to keep it from happening next time.

5) Ignore the data leading up to the race- During race week my sleep scores were horrible, my HRV tanked, and my watch told me I was “strained”. I might just stop wearing it during the taper next time.

What lessons have you learned during a marathon or big race?

@richmondmarathon #racerecap
It’s been 5 days since the Richmond Marathon and i It’s been 5 days since the Richmond Marathon and it feels like a lifetime ago! I am working on my full race recap which I will post on my website but I wanted to share some reflections on here. Today I want to focus on what went well. Every finish line is an accomplishment, and while every race can teach us something I think it’s always important to focus on the positive.

First off, Richmond was a great race with amazing crowd support! There were some hills (a few steeper than I expected) but nothing crazy.

Fueling went well- after my train wreck of a run a few weeks ago I had to adjust my fueling plan and took out the Tailwind High Carb and went back to regular Skratch instead. I tried to make up for the difference with gels but my overall carbs per hour was a little less than it had been when using the Tailwind. I think I got about 65 g/hour so I’d like to get that up a bit next time but I didn’t get nauseous and took gels up until the end of the race.

Shoes felt good- during that same training run I had some top of foot soreness from my laces. I changed my lacing technique and had no issues on race day. 

Mindset- I did a lot of work preparing for the race mentally and was able to use those strategies during the race. I focused on one mile at a time and shifted my goals when I knew my original goal was not going to happen. 

Pacing- Even though I didn’t run my goal pace I was able to run fairly consistently without drastically slowing down at the end. 

Recovery- I felt pretty good following the race and wasn’t even sore anymore by Tuesday. This was probably the least sore I’ve been after a marathon.

Strong training cycle- this year I feel like I’ve been clawing my way back to where I was a year ago after several illnesses last winter and spring. I had a great training cycle with @lauranorrisrunning and I know I’ve made more progress than my race time shows.

Marathons are a huge investment so I really tried to make the most of the experience!

@richmondmarathon #racerecap
Happy Medal Monday! I can’t believe the Richmond M Happy Medal Monday! I can’t believe the Richmond Marathon was only 2 days ago. I’m barely sore (probably because I was trained for a faster time than I ran) and am feeling good.

I included a list of my marathon times on the last slide here, which I posted in my stories yesterday. I got some messages about how others can relate to feeling like their times “reset” at a certain point- whether it was after an injury, having kids, or just time off from running.

I think we can get so caught up in PRs that it may take away from the overall progress made in the process of training. Sure, there are runners who come back from having kids and immediately set a new lifetime PR. But many of us will need to chip away at our times to get to where we want to be.

Focusing on progress and the gains made in a training cycle vs a specific race time can help to keep things in perspective!

Now, I’m trying to figure out spring racing plans. What’s everyone running this spring?

#medalmonday
What a day! This race (and really, this week) was What a day! This race (and really, this week) was a rollercoaster. I knew pretty early on that my legs and my lungs were not feeling my goal pace. Each time I sped up it felt really hard- way too hard to not even be at 10 miles yet. So I just focused on running the effort that my body would allow. I used all the mental strategies I had to get through each mile. Ultimately, I wanted to run faster than my marathon last November, which I did by almost 2 minutes, making this a postpartum PR. More importantly, I smiled almost the whole time.

After finishing we had to rush to get out of our hotel room and spent the whole afternoon driving home. Over the past 2 days I’ve spent almost 10 hours in the car.

More to come soon…just hoping to get home and get some rest soon!

#richmondmarathon
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