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How To Weight A Backpack For Training Purposes

Today I wanted to take a look at how best to weight a backpack for training for a bigger trek or hiking trip. As I have alluded to several times over the last month or two on here, I am planning to undertake my biggest hiking challenge, to date, this year in June. That challenge is to climb Mont Blanc in the Alps, the highest mountain in Western Europe.

Backpacker Packing A Pack

One of the key pieces of kit I will need for that trip is of course a good backpack and my search for a suitable backpack is ongoing. (I've pretty much picked the backpack I will use and will likely purchase it this week).

Anyway, once I have my backpack, it occurred to me that I can't just show up to the Alps with my new backpack filled up with gear and head for the summit! I will not be used to carrying gear for multiple days on my back while ascending a very large mountain like Mont Blanc. Therefore, I will need to 'pack' my pack, so to speak, in advance and get used to carrying a similar weight of gear on my back.

This was fine and I figured that once I got my backpack of choice, I would weight it up to take on my normal weekly hikes. That should get me up to some reasonable level of being used to hiking with the heavier weight of gear on my back when doing the real thing.

However, the next thing that occurred to me was, what should I pack it with to add weight!?​​​​​

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Weights and Bricks?

Now, you may be thinking, don't be silly, just get some heavy bricks or a dumbbell or two and fire them in. Well, when you think about it, they probably wouldn't be very good things to put in a backpack. They are heavy but over quite a small surface area. If anything, this could very well damage a backpack as it would have too much pressure on one smaller part of it. It could very easily rip a hole open or warp the backpack in some way!

After some consideration, I thought I would consult one or two of my hiking friends who have been on many backpacking expeditions before to get some tips. Here's what they recommended to use when trying to weight your backpack for training purposes.

What to Use to 'Weight' Your Pack

Bottled Water

This was top of the list. A few big bottles of water can easily fit into pack and laid across the bottom. This should spread the weight relatively evenly across the pack. Another great advantage of water is that it's easy to offload if things get too hard to carry. Just open the bottles up and pour the water out!

Old Books

Another easy and convenient thing to use is to put a few big books into your backpack. This will add some significant weight to the pack but you probably need to add a fair few of them in.

Books

Be sure to use books you don't care for too much as they will likely get a bit rustled up in your backpack while out on the trail with you!

Magazines

Similar to books, although they do have the extra advantage of being more disposable. That is, you're probably less concerned with what happens to some old magazines of yours than part of your book collection 😉

OK, I was happy that I had several easy options for weighting my pack but then another question formed in my head!?

How Much Weight Should I Add to the Backpack?

The approach I have taken to this is very logical 🙂 and I hope sensible! In short, I am going to pack the backpack up when I get it with all the gear I think I will need to have in it for my trip.

Now, unfortunately some of the gear I don't actually own and I will have to hire it when I get to the Alps. For those pieces, I will need to do some research and make approximations. The company I am going with have provided a gear checklist so this should be relatively easy to do with a bit of research.

When I have all of that, I should be in a position to give a pretty good estimate of the weight of the backpack I will need to carry for the 6 days on my trip. Then I can weight up accordingly for my normal weekly hikes in preparation!

Conclusion

I was in two minds about whether this should be a post or not as, like most people, when you first think about weighting a pack for training purposes, you assume it's very straightforward i.e. just put heavy stuff in your backpack.

However, after consideration there were a few things I wasn't sure about and so thought it best to ask around to see what may be the best approach. I'm happy that I have found the best approach for this which is to use bottled water, large bottles, to an approximate weight of the actual gear I will carry in the backpack for the trip. A few of my regular hiking outings with that before June should get me in good shape for the real thing 😉

As an aside, It's worth noting that there is a whole method and science to how you 'pack a backpack' too. That is, what items you should put to the bottom first and so on. This makes a lot of sense and is something important to learn for any trip you will be undertaking with a backpack.

Check out this guide on what I take for a 2 to 3 day backpacking trip, that goes into the details. In short summary, pack what you will need soonest, say rain gear, at the top of your backpack and what you won't need soon, say a sleeping bag, at the bottom.

I think everyone needs to develop their own optimum solution or system to this but these basic guidelines help simplify the process. I'll be sure to add up a post on that at some point and link to it from here, it may be helpful to folks new to backpacking / wild camping.

Finally, if you're looking for a backpack or a day pack, you can start your search right here. Check out some nice day packs here, these are perfect for a day hike on the trail. If you need something more substantial and in the vein of this post, to carry kit for several days, check out our top pick backpack in the red box above.

Have you ever weighted a pack for training purposes? Any other suggestions on how best to do it? I'd love to hear about it in the comments below!

Comments

  1. Caroline Swan says

    May 11, 2018 at 5:09 pm

    Thanks. Carrying water to train is such a good idea. I’m also wearing my pack about the house I figured it will help get me used to the weight. And well it’s a weight bearing exercise so good for improving my strength. I will also get in some proper hikes before going off on my adventures in July. I’m walking from Caithness to fort william.

    • Colm says

      May 14, 2018 at 10:39 am

      That’s a great idea to wear the pack about the house too, it will all add up for sure and definitely contribute to your strength and stamina. Walking from Caithness to Fort William looks like an excellent trip! A nice time of year for it too. Definitely a good idea to get some longer hikes in before you set out, it will be good to get some good hiking miles into the legs before your trip. I hope you have a wonderful adventure!

  2. Kim says

    April 20, 2018 at 12:18 pm

    This post was exactly what I needed. I’m going to a guided RTR tour in June and will be carrying a 20-25# pack. I’ve been struggling with the best way to add weight for training purposes—so I turned to the www. And there was your recommendation! Thanks…and enjoy your journey!

    • Colm says

      April 23, 2018 at 9:45 am

      Hey Kim, that’s awesome 🙂 Really glad you found it helpful. I have used the water process on many an occasion, to help prep for longer backpacking trips / treks, and it works great for sure. It’s really handy that you can just offload anywhere, if it gets too much to carry.

  3. CO Hiker says

    April 3, 2018 at 3:17 pm

    I use water to add weight to my backpack. At first I just added water bottles then I added an old hydration bladder, but then I need more weight so I got ModGear’s Water Weight. It holds 20 lbs of water and has graduated weight marks so it’s easy to adjust my weight like you said just dump out some water. I like the ability to adjust my weight on the trail and practice “Leave No Trace”.

    • Colm says

      April 4, 2018 at 11:01 am

      That’s cool … water is definitely my preferred way to weight a pack too, very easy to adjust as you move, should you need to. Leave No Trace is very important too as you say, and water is again perfect to accommodate that. Thanks for the tip re: Modgears water weight, I hadn’t come across that before, the graduated weight marks are handy for sure … good to know.

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