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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You can use the above link for any Amazon country and it (should) automatically redirect to your local Amazon site.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?
- I’m headed to Washington DC – what do you recommend for training?
- I’m from out of the country and will be visiting the US, what’s the best triathlon shop in city XYZ?
- What kind of camera do you use?
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5 Easy Steps To The Site
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 and Equipment 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! 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 2023 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.
Search results for: 'Pulse'
Wahoo announces GoPro connectivity, Smart Lights integration, and Music Control
Wahoo has announced three new connectivity-related items for their BOLT V2 & ROAM V2 bike computers. As the title implies, you’ll now be able to control your GoPro, control your existing ANT+ smart lights (from any vendor), and control the … Read More Here
Apple to Sell Apple Watch Ultra 2 & Series 9 Tomorrow without Blood Oxygen Feature
On Wednesday, Apple lost its most recent appeal, which had sought to delay the import and sales ban of the Apple Watch Series 9 & Apple Watch Ultra 2 watches. Apple had won a different appeal back a few weeks … Read More Here
Apple To Halt Sales of Apple Watch Ultra 2 & Series 9: Explained
Apple has confirmed they’ll be halting sales of the Apple Watch Series 9 and Apple Watch Ultra 2, following a ruling this past October by the International Trade Commission that ruled in favor of a patent dispute with Masimo, a … Read More Here
Withings Pulse In-Depth Review
Almost a year ago Withings announced the Withings Pulse activity tracker at CES 2013. However, it wasn’t made available until this past summer, when I started testing it. Like most activity trackers it did all the usual items – steps, … Read More Here
Garmin Epix Pro: The Complete Beginners Guide
Just a quick heads up for those that aren’t subscribed on YouTube, that I’ve just hit publish on my incredibly detailed hour-long user guide for the Garmin Epix Pro, from beginning to end. As usual, I walk through all … Read More Here
Umpteen ways to measure your heart rate
For reasons unclear to me, this week has turned out to be the week of heart rate related devices plopping onto my doorstep. So let’s rundown a quick preview of stuff I’ll be posting more in depth over the next … Read More Here
5 Random Things I Did This Weekend
Here’s what I’ve been up to the past few days! 1) Worked my way home from the ANT+ Symposium First up was getting back from Kananaskis, Alberta (it’s in Canada, home of awesome maple syrup). I was there last week at … Read More Here
Garmin Connect App Revamp: Complete Walk-Through
Earlier this week Garmin announced the beginnings of a revamp of the Garmin Connect Mobile app – something that many people have been eager for…for many many years. As part of this revamp, they’ve also opened it up to … Read More Here
First Look at Withings Activité activity tracker & designer watch
Overview: Late last week Withings announced their latest device – the Withings Activité, which combined an activity tracker into a more normal looking high-end designer watch. This would in effect be pulling in much of their existing Withings Pulse activity … Read More Here
CES Roundup Part 1: Sony, Geonaute, Contour, VOXX, Jaybird, Kreyos, Aftershokz, Reebok, Magellan, Moxy
The only way to describe CES is organized chaos. Over time, you get better at it. This year I optimized my schedule and shunned doing any scheduled appointments. This allowed me to to simply move from booth to booth in … Read More Here
Hands-on: Garmin Vivosmart 4, now with Pulse Ox and Body Battery
The Vivosmart 4 is Garmin’s first device to introduce the new Body Battery, as well with the Pulse Ox (Sp02). How well does it work? I dig in. Read More Here
Interbike 2011 Day 2 Overview (Sports Technology)
(First Note: This post is meant to compliment the non-sports technology Day 2 overview that The Girl posted a bit earlier here.) (Secondary Note: Yesterday I took all the questions everyone asked in the comments section of the Garmin Vector … Read More Here
Withings Body & Body Cardio WiFi Weight Scales In-Depth Review
Back in June Withings announced two new WiFi scales, though only one of them really got any attention – the new Body Cardio scale. I wrote up a bit of a preview post back then, but needed more time to … Read More Here
Thoughts on the wearables studies (including The Stanford Wearables study)
As might be obvious these days, publishing a study on wearables is the fashionable thing to do. There seems to be a new major (or at least noticed in the mainstream media) wearable study published every month. Sometimes more often. … Read More Here
A Quick Look at the Withings Go Activity Tracker
As expected the early part of CES week saw a lot of new product announcements. There are lots of new players on the field with some innovative new products (and some obvious knock-offs and re-makes of existing technologies); but also … Read More Here
Notable: Apple Formally Clarifies iPhone GPS Dependency Shift on Series 8, Ultra, SE (2022)
Let me set expectations up front: This post is 100% written for sports tech GNSS geeks. You see, back when the 2022 Apple Watch editions were announced back in September, there was one significant change: None of the new 2022 … Read More Here
Garmin Epix In-Depth Review
No, this isn’t your grandfather’s Epix from 2015, but rather, this is Garmin’s new 2nd gen Epix that effectively takes an Epix and elevates it with a full AMOLED color touchscreen display. Now, Garmin officially calls it just ‘Epix’, … Read More Here
How calorie measurement works on Garmin fitness devices
There are few topics that cause more confusion, intrigue and general ‘Huh?’ in the sports world than calorie burn. While many runners or cyclists often estimate calorie burn (and thus cookie allocation metrics) using borderline sketchy back of the napkin … Read More Here
Nations Triathlon 2008 Race Report
You may already know the resultant, but let’s talk through how it all went down. Pre-Race: I was a bit concerned with logistics race morning as a TON of streets were closed and since our bikes were already checked in … Read More Here
Week in Review–April 27th, 2014
The Week in Review is a collection of both all the goodness I’ve written during the past week around the internet, as well as a small pile of links I found interesting – generally endurance sports related. I’ve often wondered … Read More Here
Initial hands-on with Polar Loop activity tracker
Hello! My Polar Loop In-Depth Review is now published, and can be found here. Thanks! Today Polar announced their latest product – the Polar Loop. This marks a new area for Polar where they’re branching into the heath “activity monitor” … Read More Here
Polar Verity Sense (Optical HR Sensor Band) In-Depth Review
Polar has launched an updated version of their standalone optical HR sensor, taking the existing Polar OH1 and adding new features and capabilities, and re-branding it as the Verity Sense. For those familiar with my reviews & testing, you’ll know … Read More Here
Garmin Forerunner 735XT In-Depth Review
It’s been almost exactly a month since Garmin announced their latest triathlon watch, the Forerunner 735XT. This watch aims to take the software of the larger FR920XT triathlon watch and compress it down into a smaller package. All while also … Read More Here
FINIS AquaPulse In Depth Review
Today FINIS announced their latest product, the AquaPulse underwater audible heart rate monitor. Unlike most sport heart rate monitors however, this one doesn’t measure your heart rate using a standard chest strap, but instead does so at your ear…conveniently placed … Read More Here
Week in Review–January 13th, 2014
The Week in Review is a collection of both all the goodness I’ve written during the past week around the internet, as well as a small pile of links I found interesting – generally endurance sports related. I’ve often wondered … Read More Here