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How to Mix Running and 21 Day Fix (With 3 Sample Schedules)

running and 21 day fix

As runners, we tend to put all our effort into our running training. One of the reasons why I believe I have yet to have an overuse injury in 6 years of running (including 5 marathons, countless half marathons and an Ironman) is strength training. I set my foundation up with P90X before I started getting into high mileage running and triathlon training and have continued to strength train over the years in various forms. My most recent obsession is 21 Day Fix because the workouts are short (30 minutes) yet extremely efficient, which is just what I need with limited time and a priority on running. Not to mention, strength training builds strong muscles that make our bodies look and feel better (and burn more calories when we’re not working out)- I’m sure most of us don’t mind that!

People ask me a lot how I incorporate half marathon (and soon full marathon training!) into my 21 Day Fix routine. I’ve done a round of 21 Day Fix every month since April and I’ve maintaining a running base of about 25-30 miles a week. I’ve run one half marathon, two 5ks and have another half marathon this weekend. I’m running the New York Marathon in November and plan to continue to incorporate 21 Day Fix into my routine to ensure I’m getting much-needed strength training in.

How to Run While Doing 21 Day Fix or 21 Day Fix Extreme: 

  1. Adjust your calories. 21 Day Fix and 21 Day Fix Extreme come with a nutrition plan that put the average woman looking to lose weight into a calorie range of about 1,200-1,400 a day (you don’t actually count calories – you get allocated a certain number of color-coded containers which represent different food groups. If you stay within your containers, you’re within your calorie range. Simple as that!). This low calorie range is based on one 30 minute 21 Day Fix workout per day and an otherwise sedentary lifestyle. If you are running on top of this, you’ll need to add calories! I put myself in the 3rd level which is 1,800-2,099 calories. If you’re trying to lose about a pound a week, I think this range will work for most people. If you’re looking for more extreme results, you’ll probably want to put yourself in Level 2 (1,500-1,799 calories). On long run days, I don’t count containers at all but that’s up to you (don’t count nutrition that you take during a run, i.e. Gu, if you decide to count containers on these days).
  2. If You’re Low on Time, Skip Cardio. If you’re incredibly motivated and have a lot of time, you are more than welcome to include Cardio (and Plyo if you’re doing Extreme) into your weekly routine. I personally rarely have time for the two cardio workouts each week and intentionally skip them. The cardio workouts aren’t true cardio though – they include body weight strength training as well – so you will be building muscle from them in a way you won’t get from running. If you have a lot of time and energy, don’t skip these!
  3. Double Up. In order to run 4-5 times a week and do 5 21 Day Fix workouts per week, there must be double days. This doesn’t necessarily mean you’ll be working out morning and night every day though. I generally try to do the Upper Fix and Yoga workouts on the same day as a run which does mean I’m getting in two separate workout sessions. But I typically do a back-to-back 21 Day Fix workout at least one day a week, which means I’ll do Pilates and Lower Fix and skip the cool-down of one of the workouts and the warm-up for the next workout which saves me about 5 minutes in total. The entire workout is 60 minutes this way but I’ve checked 2 days of workouts off the list before I even get to work.
  4. Schedule 21 Day Fix Around Your Races. This is a it harder if you’re joining one of my Challenge Groups since you’re at the mercy of my scheduling, but ideally you’ll have your race one week after you complete 21 Day Fix and give yourself a week of recovery before hopping back in. If your race is shorter – like a 5k or 10k, you can easily do it during 21 Day Fix and just take a day or two off before the race to recover (or do move Upper Fix to the day before the race). I also tend to skip any leg strength training a few days before a race, but not always! For example I ran the Fast Times 5k with extremely sore legs and still ran it faster than the Carlsbad 5000 which I ran several weeks before on fresh legs. Obviously, these weren’t goal races for me. If you’re going for a PR, don’t do ANY 21 day fix workouts the week of the race.
  5. Don’t Be Afraid to Mix Up the Order of the Workouts. Though the workouts are in the order they are in for a reason, don’t be afraid to mix up the schedule in order to fit it in best for you. This could mean the difference between getting in the workout and skipping it completely. If you have a tempo run on Thursday mornings, don’t do Lower fix on Wednesday or Thursday night. You’re more likely to get in the workouts if you make it work for your schedule.

Sample Schedule – 4-5 Runs and 5 21 Day Fix Workouts

  • Monday: Upper Fix (Optional: easy run)
  • Tuesday: Run
  • Wednesday: Lower Fix and Pilates
  • Thursday: Tempo Run
  • Friday: Dirty 30
  • Saturday: Easy Run
  • Sunday: Long run & yoga

Sample Schedule – 4 Runs and All 7 21 Day Fix Workouts

  • Monday: Cardio (Regular) or Plyo (Extreme)
  • Tuesday: Run & Upper Fix
  • Wednesday: Lower Fix and Pilates
  • Thursday: Tempo Run
  • Friday: Dirty 30 and Lower Fix
  • Saturday: Easy Run
  • Sunday: Long run & yoga

Sample Schedule – 4-5 Runs and 5 21 Day Fix Workouts and Rest Day

  • Monday: REST
  • Tuesday: Run & Lower Fix
  • Wednesday: Upper Fix and Pilates
  • Thursday: Tempo Run
  • Friday: Dirty 30  (Optional: easy run)
  • Saturday: Easy Run
  • Sunday: Long run & yoga

If these schedules seem intense – remember that the workouts are only 30 minutes. If you’re doing the 5 workouts a week plus 4 runs a week schedule (about 25 miles per week, you’re only doing 2.5 hours of strength training and likely 4ish hours of running. That’s only 6.5 hours per week. If you’re running 30 miles per week and doing all 7 workouts that’s about 8.5 hours per week.

Every week won’t be perfect. Believe me, I don’t get in all the workouts every week and I don’t follow the nutrition plan perfectly. But consistency pays off and in the end, you’ll be building stronger muslces, running faster and feeling great.

If you want to join my next 21 Day Fix Challenge Group and go through this program with accountability and tips from fellow runners, let me know! I have one every single month. You can fill out this quick form to get more information and join: https://fitnessfatale.com/nextchallenge/

Have you ever done a strength training program on top of training for a race? How did you balance it? 

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July 14, 2016 By fitnessfatale 31 Comments

Filed Under: Uncategorized Tagged With: 21 day fix and running, 21 day fix before and after, 21 day fix extreme, how to do beachbody programs while running, how to train for a half marathon while doing 21 day fix

Reader Interactions

Comments

  1. Kim

    July 14, 2016 at 5:25 am

    Love this! I think strength training is so, so important…that being said, I didn’t do any formal training while marathon training. Another good way to do it is to find an activity that you enjoy that naturally builds strength–for me, that’s been rock climbing which is a fun alternative to the upper body workouts if you’re not able to be as structured. I’m in for the August group though!

    Reply
    • FitnessFatale

      July 14, 2016 at 2:08 pm

      Agreed! For me strength training has come in a lot of different forms over the years. I’ve done P90X, then just did yoga, then barre, now 21 Day Fix. I love mixing it up! Glad you’re in for August!!

      Reply
  2. Sara

    July 14, 2016 at 11:58 am

    I need to start doing the 21 day fix workouts again. I teach stroller strides which is mostly strength training and I’m training for the Chicago marathon.

    Reply
    • FitnessFatale

      July 14, 2016 at 2:08 pm

      They are so great! I have yet to try a Stroller Strides class though there are several near my house. Now that I’m working there aren’t any I can go to but maybe one day!

      Reply
  3. Kelly @ Noodle to the Rescue

    July 14, 2016 at 4:35 pm

    So glad you posted this! One of the reasons I hesitated so long to try 21 Day Fix is that my first love is running and I didn’t want to give up or compromise training for a half marathon. I’m in Week 2 of 21DF though and it’s already made me a faster & stronger runner. I am doing the 21DF workouts per the schedule and running 3x per week. I run in the AM and do 21DF in the PM. The days that I run I do Upper Fix, Pilates, and Yoga. So far it’s going really well! I feel so much healthier and well-rounded versus only running.

    Reply
    • FitnessFatale

      July 15, 2016 at 3:09 am

      Awesome! Glad it helped and glad you’re liking the program!

      Reply
    • Kelly

      June 26, 2017 at 4:57 pm

      This is my schedule too!! Would you adjust your eating plan just on the days your run or every day? I have been doing Beachbody programs for a year now and I am so happy with my results. As much as I don’t need to lose anymore weight I am not seeing much change anymore , could it be because I should up my bracket for eating? I run about 15 to 20km a week.

      Reply
      • fitnessfatale

        June 30, 2017 at 9:28 pm

        Hey Kelly! I’d definitely recommend upping your bracket. Are you already working with a coach? I’d love to have you join my next accountability group which starts July 17th! At least half my challengers are runners!

        Reply
  4. Monica

    July 29, 2016 at 5:41 pm

    So glad I came across this post (I came looking for your post today comparing Fix to Extreme) and randomly saw this and was delighted to read it!! I love seeing how it’s balanced, and I kind of miss having double days. Not looking for an ironman level double, but I’m so lax about strength when I get into running more heavily. Especially when I’m sort of winging my strength… it’s easy to skip rather than to cobble together a random workout in the living room.

    Reply
    • FitnessFatale

      July 29, 2016 at 5:46 pm

      Glad it helped!!! Excited for you to join in August.

      Reply
  5. Catie

    August 23, 2016 at 7:26 pm

    Thank you for posting about this! I just started 21 day fix and I used to a runner. A few years ago I ran a half marathon. Since then I moved in with my now husband, got a sendentary job, and got married. Lots of life changes have pushed my motivation to the side unfortunately. I would love to start running again and train for a 5k this fall. How do I join your challenge group?

    Reply
    • FitnessFatale

      August 29, 2016 at 6:25 pm

      Hi Catie,

      I’m sorry for the delay – I’ve been on vacation! Ill email you about the challenge group.

      Reply
  6. Roberto Smith

    September 8, 2016 at 5:44 am

    Really helpful post,, I love seeing how it’s balanced, and I kind of miss having double days. Not looking for an ironman level double, but I’m so lax about strength when I get into running more heavily. Thanks for the post.

    Reply
  7. Keely

    October 18, 2016 at 1:07 am

    I just completed my 6th marathon this weekend in Baltimore , a PR for me! 3:41:05! I have been doing 21 Day Fix since April and have lost 35 pounds. I feel amazing and am in the best running shape of my life. The race was incredible and the strength training with 21DF definitely paid off. I have signed up for a half in just a few weeks and another full in March. This morning I did yoga, but am wondering if I should consider trying extreme or another program at this point? I did 7 days of 21DF and 6 days of running about 30-50 miles a week up until 2 days before the race. Think I can get back to the strength training sooner versus later? Just curious! Glad there are other 21 DF runners out there 🙂

    Reply
    • FitnessFatale

      October 18, 2016 at 2:36 am

      Hey! Congrats on your PR!!! That is incredible! And your ability to do all the workouts on top of peak marathon training is great too. I definitely think you’re ready for Extreme! Are you currently working with a Beachbody coach? If not, I’d love for you to join my Nov 7 challenge group!

      Reply
      • Keely

        October 18, 2016 at 10:09 am

        I am! She is awesome, but not a big runner. So, I just wanted some advice. Do you think extreme is safe to couple with the marathon training? Of course I figure if it is too much I can always stick with regular 21DF, Thanks for your advice,,,,this blog is awesome 🙂

        Reply
  8. Esther

    December 12, 2016 at 5:51 pm

    Hi – I’m curious, if you are going to combine a 21 DF workout and a run in the same day/same session, which do you do first, the running or the strength training? I’m looking at following your 4-5 day run/5 day 21 DF 1 day rest schedule, so I’m really asking about the day that has the Lower Fix and a Run in it.
    Thanks!

    Reply
    • FitnessFatale

      December 12, 2016 at 6:39 pm

      It just depends on my schedule that day! I don’t think it matters which you do first

      Reply
  9. Nicole

    January 5, 2017 at 9:32 pm

    Thanks for posting this. I just got the beachbody on demand and was debating between the 21 day fix extreme or Chalean Extreme and doing only the strength workouts from Chalene. I typically run anywhere from 20-30mpw, right now its closer to 30 with a half coming up January 22. I love my running and my problem is making time for both! This morning I ran 4 miles and did 21 day fix dirty thirty extreme. I loved it. I love that the 21 day fix is only 30 mins but also own PiYo and love Chalene! I want to try both. I’m sure I will at some point, but I may have to renew my subscription after the 3 months so I can do all of Chalene’s workouts! Decisions decisions!

    Reply
  10. Cory

    November 19, 2017 at 8:38 pm

    I typically do my long runs on Saturdays, also haven’t done workout videos for a while but do have beach body on demand. How would you change the Saturday/Sunday runs? Also should I do 21DF first or 21DFE? I just ran a marathon so my cardio is decent.

    Reply
    • fitnessfatale

      November 21, 2017 at 8:17 pm

      Hey Cory! I usually do my long run Saturdays and yoga on Sundays to help recover. I personally like 21 DFE better!

      Reply
  11. Carolina

    March 24, 2018 at 12:06 pm

    Hi, I’m new at the 21 day fix, waiting for my package. I’m training for a half with 3 running days during the week, long run during the weekend. Will one of the schedules you mention work and should I increase containers on the runing days?

    Reply
  12. Cathy Greer

    April 9, 2018 at 5:16 pm

    Hi. P90x has always been my favorite but now I am thinking I will try 21 day fix on BB demand. I will be running the Marine Corps Marathon in October (my 5th) but I have slacked off any training except running since the fall. I need something now while I am still in the “preparation” stage – following the Hal Higdon Personal Best 30 week training plan. I ran 11 miles last week and my pace was 11.08 – 2 years ago it was 9.30 – I want to go back to 9:30 or even lower. I do love the plyometrics, yoga and leg work-outs in the P90X. Do you recommend I do that again now or 21 days fix or the 80 day Obsession?
    Thank you!

    Reply
    • fitnessfatale

      April 9, 2018 at 11:59 pm

      Hey Cathy, I just sent you an email!

      Reply
  13. Lisa

    April 11, 2018 at 9:10 am

    Thank you!!! I know this blog is old but I was looking for ways to incorporate my running and do the 21 day fix. I’m 5’10 136lbs and it had me on the lowest calorie bracket. I run 7 miles on most days and on the third day I fainted….I need to up the calories.

    Reply
    • fitnessfatale

      April 11, 2018 at 2:22 pm

      Yes you definitely need up to up the calories!!! Glad to help 🙂

      Reply
  14. Taylor

    May 15, 2018 at 7:23 pm

    Hi! I was doing 21DF videos and training for my half marathons pretty consistently for about two years ( I would mostly do the full body videos on my non-running days rather than doubling up), but I switched up my routine not too long ago to take a sanity break… I am looking to get back into it now, but am curious how you continue to progress when doing the same workouts over and over. Do you just keep buying (or using if you have access to a gym) heavier and heavier dumbbells? I have gotten mixed signals from trainers and other people I’ve talked to about needing to be “in a gym” to truly build muscle and get stronger. Just curious if this type of conflict is something you’ve ever dealt with!

    Reply
    • fitnessfatale

      May 22, 2018 at 8:50 pm

      I just start doing other beach body programs (I have beach body on demand so I can access them all) and switch it up and then I’ll go back to 21 Day fix later. Variety is key!! And yes using heavier weights is smart too. Let me know if you want to join an accountability group!

      Reply
  15. Emily

    July 22, 2018 at 4:50 pm

    Thank you for this info. I just started Liift4. I run too and enjoy half marathons and full marathons. I thought adding strength will help my running. I have been eating on plan A and b, but the scale hasn’t moved. I think I need to go up to C.

    Reply
  16. Jennifer Hunter

    August 22, 2020 at 11:46 pm

    Thank you for this! I was looking for a way to incorporate running and any beachbody workout. I really like this schedule!

    Reply
    • fitnessfatale

      October 8, 2020 at 5:45 pm

      You’re welcome!!!

      Reply

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