Heads up – Massive Sports Tech Holiday Deals List is Live!!! The Garmin Fenix 8 is $250 off (even the Fenix 8 Pro is $100 off!), the Apple Watch Ultra 3 is on sale, the Garmin inReach Mini 2 is $249, the GoPro Hero 13 Black, DJI NEO, and a ton of other brands/deals, including Wahoo, Oura, Whoop, Polar, Samsung, Google, and more than 100 sports tech deals here!
I’m DC RAINMAKER…

I swim, bike and run. Then, I come here and write about my adventures. It’s as simple as that. Most of the time. If you’re new around these parts, here’s the long version of my story.

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Want to compare the features of each product, down to the nitty-gritty? No problem, the product comparison data is constantly updated with new products and new features added to old products!

Wanna create comparison chart graphs just like I do for GPS, heart rate, power meters and more? No problem, here's the platform I use - you can too!

Think my written reviews are deep? You should check out my videos. I take things to a whole new level of interactive depth!

Smart Trainers Buyers Guide: Looking at a smart trainer this winter? I cover all the units to buy (and avoid) for indoor training. The good, the bad, and the ugly.
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Check out my weekly podcast - with DesFit, which is packed with both gadget and non-gadget goodness!

Get all your awesome DC Rainmaker gear here!
FAQ’s
I have built an extensive list of my most frequently asked questions. Below are the most popular.
- Do you have a privacy policy posted?
- Why haven’t you yet released a review for XYZ product you mentioned months ago?
- Will you test our product before release?
- Are you willing to review or test beta products?
- Which trainer should I buy?
- Which GPS watch should I buy?
- I’m headed to Paris – what do you recommend for training or sightseeing?
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- What kind of camera do you use?
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In Depth Product Reviews
You probably stumbled upon here looking for a review of a sports gadget. If you’re trying to decide which unit to buy – check out my in-depth reviews section. Some reviews are over 60 pages long when printed out, with hundreds of photos! I aim to leave no stone unturned.
Read My Sports Gadget Recommendations.
Here’s my most recent GPS watch guide here, and cycling GPS computers here. Plus there are smart trainers here, all in these guides cover almost every category of sports gadgets out there. Looking for the equipment I use day-to-day? I also just put together my complete ‘Gear I Use’ equipment list, from swim to bike to run and everything in between (plus a few extra things). And to compliment that, here’s The Girl’s (my wife’s) list. Enjoy, and thanks for stopping by!
Have some fun in the travel section.
I travel a fair bit, both for work and for fun. Here’s a bunch of random trip reports and daily trip-logs that I’ve put together and posted. I’ve sorted it all by world geography, in an attempt to make it easy to figure out where I’ve been.
My Photography Gear: The Cameras/Drones/Action Cams I Use Daily
The most common question I receive outside of the “what’s the best GPS watch for me” variant, are photography-esq based. So in efforts to combat the amount of emails I need to sort through on a daily basis, I’ve complied this “My Photography Gear” post for your curious minds (including drones & action cams!)! It’s a nice break from the day-to-day sports-tech talk, and I hope you get something out of it!
The Swim/Bike/Run Gear I Use List
Many readers stumble into my website in search of information on the latest and greatest sports tech products. But at the end of the day, you might just be wondering “What does Ray use when not testing new products?”. So here is the most up to date list of products I like and fit the bill for me and my training needs best! DC Rainmaker 2024 swim, bike, run, and general gear list. But wait, are you a female and feel like these things might not apply to you? If that’s the case (but certainly not saying my choices aren’t good for women), and you just want to see a different gear junkies “picks”, check out The Girl’s Gear Guide too.














Probably a Gopro
He could use a powermeter, been trying to convince him for a long time!
A trainer, because it just won’t stop raining in London at the moment.
A Garmin Edge 530 / 830 to replace 520 / 800.
Buying that watch that my son hasn’t buyed me yet
I would love to get me a couple of 245s for me and my wife…
I’d get me some Giro DND Full Finger Gloves. I’d get these because I need some new mtb gloves. With the few bux left over, I’d probably get an Edge 830, cuz I’m tired of dealing with all the 820’s failings and want to start fresh with a whole new steaming pile of carp.
Boat sounds pretty good to me.
Would love to upgrade my GoPro Hero 5 to a 7 :)
Happy Friday,
I don’t have a specific item picked out, that can be a problem for tomorrow!
The Garmin Forerunner 945! I’m having issues with my 735xt and would love an upgrade!
Fenix 5 Plus
A new bike pedals, probably :)
I would get a GoPro to record some summer action :)
I would get a new 945
A Wahoo Roam for summer would be great!
It’s a throw up. Ready myself for winter (or just improve the UK ”summer” training!) with a silent Wahoo Kickr/Kickr Core…or Quarq Dzero…
Either the Garmin 945 or Edge 830……I really want something for when I’m out riding.
Could definitely use a new GoPro – still using a 5!
A power meter for the gravel bike!
ah cool !
a forerunner 945 maybe ?
and happy Father’s day to all !
but mine especially… ;-)
I would get a Garmin Edge 530. My old Edge 500 has seen many workouts and it is time for a refreshment.
Go pro camera!
Wahoo Kickr setup for me – with a long train commute and 2x small kids finding time to get out is proving difficult. but to be honest any of the above gadgets would be great to encourage me to get out more!
I will buy that Garmin Vector 3 that has been sliping from my hands….
i would like a power meter, probably.
The 945! Would love to have music on the run!
I want the 945
A smart trainer. I don’t know which one. My Fluid-2 is getting old.
Drone me!
I’d like a GoPro of some description to record my adventures, not only on the bike but also on rollercoasters in Orlando in August.
Logically, a free GoPro is more popular than Garmins poor sw (now twice number of comments)
The GoPro would be my choice, this would be very nice fro trail runs, fishing trips, and of course family videos!
Love a giveaway. Not sure how I would spend the $500, but I am interested in obtaining a power meter.
A 945 will be nice…
Fenix 5 for my wife as she has been wanting one forever.
I would get a power meter. I guess.
Since last year I discovered road cycling –and I should have discovered it when I was young– and I am getting better (faster) at it, but I’d like to train myself in a better way. And from what I understand, the best way to do this is with a power meter. That is what I want to buy. :-)
who would not want a new Garmin 945 !!!!
GoPro Hero 7 Black because it’s time I get an action cam
I would get the 945, my Vivoactive is screaming to be retired.
Torn between getting a power meter or a GoPro, but I won’t have to decide unless I win.
I’d totally put this towards a Fenix 5X plus!!
Fenix 5S+ – it is time for an upgrade!
I think I’d have to go for the new Garmin 945!
I’d get a power meter
I could use a new Garmin edge, say the 830, as my Edge 800 is getting old.
I would get the Garmin edge 530.
Not sure yet…
Upgrade from my kickr snap
Garmin FR945 would be good upgrade for my old FR405
Hola, New edge as mine flew off, hit a squirel, exploded, and burnt up. *Pickachu face*
Some new Fenix would be useful. I am still using F3 and chest strap is so annoying…
Would love to have a GoPro Hero 7 Black to film my 2 year old son. Great gift for fathers day besides a biiiig hug.
Probably a powermeter
Some version of a garmin gps computer – maybe the new 530? Need it for my road bike. Thanks!
I’d have to get a really unstable Garmin product, either a 945 or vector 3s
Happy Friday / Fathers Day: A GoPro for father and son time
I’d get a GoPro because I’d like to see the things my kids could record and the places they could go that I cannot… yet. (Getting back in shape!!)
I’ve had my eye on a Garmin Fenix 5 Plus or a Garmin Edge for some time, it might not pay for the whole thing, but it would be a great start.
Rainmaker is DA MAN!
I desperately need a watch upgrade. My Tom Tom Adventurer won’t survive my upcoming 100 mile ultra at the end of July. I think a Garmin Instinct or Forerunner will get me to the finish line.
New bike computer for the gravel bike adventures!
Even though we’ve all been bashing Garmin, I’d like to give the 945 another try since I’ve returned mine. Shrug.
Fenix 5x plus would be very nice.
I’d like some wearable tech (FR245 & running dynamics pod) and recovery products to help keep me on track through the half-marathon (Great North Run) training I started a few weeks ago!
Possibly a power meter?!
A FR945 would reduce the annoying weight of of the Fenix 5 plus!
I think it would be time for me to suck it up and buy an actual GoPro and get the Hero 7 Black. I’ve been settling with a $40 Chinese imitator from Amazon for long enough. With some nice vacations lined up this summer, including to the Caribbean and Key West, it would be great to have the real deal.
I’d get a powermeter :)
I have been training to enter my first race in California and if I won, I would choose to get a Stages Ultegra R8000 Power Meter.
This would really help me prepare for my first bike race!
I would get the Garmin 945 to replace my 935.
Garmin Forerunner 945 because it is so much newer than the version I have!
I would get (another) Forerunner 945 for my wife, she has watch envy!!
This would be the good thing to finally order a pair of pedal with power
Favero Assioma. It should help me advance my skills
Definitely a power meter. I’ve always wanted one of those.
I’d finally get a power meter.
I’d probably get me a Hero 7 camera.
I’d get something new from Garmin to replace my FR35 , but I’d have to make some research on here what to get :P
I’ve had my eye on a Cycliq Fly 12.
I would definitely put that towards a new Garmin. Either a 245 or 945…
Gadgets! 945 for me, or a Vivoactive for my wife. Maybe a Varia….
Yay, extravaganza is back! My bet is on edge 530
Most probably a GoPro
I could use a varia tail and head light
Power Meter!
I’d go for one of the new Edge computes
Hero 7 because its pretty awesome
I’ll just give it a go, never know if it is my lucky day to get closer to a Garmin FR945!
mi ilusion es tener una go pro
I’d probably go with a GOPRO so that the kids stop “borrowing “ mine!
I’ve had a power meter on my wish list for some time now
I would have to think about it but a power meter would be nice!
I would get the Polar Vantage V as I need to replace my old polar M430, and an upgrade would be more than welcome!
I would get the new Garmin, the integrated trail maps would be a big value for mountain biking in new areas.
i could use an upgrade from my old Garmin 500, maybe a 530!
I would like a GoPro to capture our rides
Probably get a power meter because everyone else seems to have one.
Garmin 945 – improve data metrics on existing Vivioactive HR