Gearhungry logo. Gearhungry logo.
  • Gear
    • Everyday Carry
    • Best Gun Cleaning Kits
    • Best Pocket & Folding Knives
    • Best Rechargeable Flashlights
    • Best Hiking Gloves
    • Best Neck Knives
    • Best Penlights
    • Best Hydration Packs
    • Best Slingshots
    • Best Bowie Knives
    • See More
  • Home
    • Best Essential Oil Diffusers
    • Best Oil Lamps
    • Best Cold Brew Coffee
    • Best Tea Makers
    • Best Hygrometers
    • Best Meat Cleavers
    • Best Lunch Boxes
    • See More
  • Tech
    • Best Mini Projectors
    • Best Smart Doorbells
    • Best Telescopes
    • See More
  • Tools
    • Best Torque Wrenches
    • Best Cordless Lawn Mowers
    • See More
  • Fitness
    • Best Fitness Gifts
    • Best Boxing Gloves
    • Best Gym Equipment for Your Home
    • Best Curl Bars
    • Best Barbell Collars
    • Best Mouthguards
    • Best Fitness Watches
    • See More
  • Style
    • Best Leather Belts
    • Best Stretch Denim Jeans
    • Best Neck Gaiters
    • Best Trucker Hats
    • Best Beard Trimmers
    • Best Work Boots
    • Best Ear Warmers
    • Best Men’s Walking Shoes
    • See More
  • Fun & Games
    • Best Chess Sets
    • Best Adult Jigsaw Puzzles
    • Best Basketballs
    • See More
  • News
  • Blog
  • More
    • About Us – Learn More About Gear Hungry
    • Editorial Guidelines: How We Create Reviews and Buyer’s Guides
    • Advertise
    • Brand assets
    • Contact
  • Home
  • Fitness
product-img
product-img
product-img
product-img
product-img
garmin forerunner 45s running watch
garmin forerunner 45s running watch
garmin forerunner 45s running watch
garmin forerunner 45s running watch
garmin forerunner 45s running watch
Chloe Matthews
By Chloe Matthews
Published April 7, 2021
Chloe Matthews
Based in Austin, Texas, and bred in the Midwest, Chloe joins our team with a background in Health and Human Physiology, team management, and a wealth of customer service knowledge. After years of personal writing and journaling, her enthusiasm for the outdoors, travel, and continued learning has brought her to a professional journalism career. Chloe is an avid rock climber, currently enjoying the Texas limestone bluffs, and a passionate, lifelong runner. When she's not seeking sunshine outdoors, you can find her reading history books, volunteering at running events, or working on her latest automotive project.
Learn about The Gearhungry's Editorial Process
GearHungry may earn a small commission from affiliate links in this article. Learn more

Garmin Forerunner 45S: Just Enough for the Serious Runner

I’ve been running for as long as I can remember, not lengthy runs but consistent, avid ones. I remember my first watch: a $20, purple and black Timex from Target. I still have it; it’s dead in a make-up bag, like an old friend reminding me how far we’ve traveled on our own two feet. Over 8 years, I only replaced the battery in my trusted Timex twice. Granted, it had only a small fraction of the functions that today’s running watches offer. But after retiring the Timex for a Garmin Forerunner 45S, the battery-demanding features of a smart running watch had me excited, on my tiptoes, even. And it connects via Bluetooth to the Garmin Connect mobile app. Essentially, it unified my running progress and my health monitoring on one platform.

My Timex had a light, a calendar, an alarm, and a stopwatch; it was once enough. The best-running watches replace the Timex-style stopwatch in function, including vitals, Smart features, complementary mobile apps, and emergency services. The Garmin Forerunner 45S is a low-profile, average-priced, functional smart running watch for everyday wear and everyday runs that’ll keep you honest about your training and feeling safe while running.

garmin forerunner 45s running watch

Garmin Forerunner 45S Dirty Deets

For an MSRP of $200, I think the Forerunner 45S packs a punch. It’s slightly smaller with a 40mm diameter face than its larger sibling, the Forerunner 45. While its best use is running, the watch does have other pre-loaded activities like cycling, cardio, elliptical, and yoga settings. You can upload free training programs to the watch for pre-programmed workouts or routes in the Connect app.

The Lithium-Ion battery life is up to 14 days as long as the GPS feature isn’t constantly engaged. If you’re an ultra-runner and race for longer than 13 hours, the 45S won’t see you to the end of the race. It has a stopwatch and timer for training and an alarm to get you out of bed for the long runs ahead.

The GPS watch is satellite detectable, and the pedometer uses a digital 3-axis accelerometer. With a 50-meter water resistance rating, 45S owners are clear to swim with the watch on cross-training days.

Choosing A Running Watch

I knew what I wanted in a running watch when it came time to replace my Timex: a low profile, GPS, and training features, and I would highly recommend figuring out your budget and needs before heading to the Garmin online store or your local retailer. Narrowing down the field based on features and price point makes for a smaller playing field and ultimately an easier choice.

I’ve been running with this Garmin watch for about 3 years. The only grief I have is the lack of an altimeter. But, in reality, Texas’s elevation changes aren’t significant enough to justify the cost of a model with an altimeter.

Otherwise, the Garmin Forerunner 45S was ideal for me. The 1-inch color display screen sits about a quarter of an inch above my wrist. Its profile didn’t impede my arms cadence, and I could still wear a fitted long sleeve thermal layer over the watch without feeling bulky or too tight. I have worn the watch over my long sleeve in some cases, and the heart rate monitor would still read my wrist’s HR.

garmin forerunner 45s running watch

Setting Up the Garmin Forerunner 45S

Setting up the 45S was hassle-free. Once I downloaded the app and turned on the Bluetooth, the app immediately recognized the watch and confirmed the pairing. Once in the Garmin Connect app, I made a profile, and from there, I could view daily activity, stress levels, sleeping habits, and “body battery” monitored by the wristed-based heart rate monitor.

The app also allows for manual input of water intake, a female-specific calendar to track moods and symptoms, specific workouts that correlate to a tracked activity, like when I did a HIIT circuit for cross-training; I inputted the exercises after the fact.

Safety Features

Users can set three emergency contacts inside the app, and thank goodness I never had to use the feature, but if I did, the watch would have sent my GPS location to my designated contacts. The assistance feature felt like a safety blanket as I ventured into the woods for a calming trail run. Additionally, the incident detection feature senses any major changes in motion. After tripping over my own feet, the 45S prompted me with a question: “Incident detected, contact emergency assistance?”

Splits On My Wrist

Old habits die hard, and previously, while doing interval training or tempo runs, I’ve always had to peek at my wristwatch frequently. The customizable pace alerts and the integrated interval training features changed the course of my training. The vibrating and audio pace alerts allowed me to keep my eyes up and look in front of me.

Pairing my phone also meant I could link my music app to the watch. Instead of having the confusing touch-control dance with my AirPods, I could change the volume and the songs from my wrist, keeping me on pace and off my phone.

Long runs are my favorite, and it has been rewarding to see improvement towards becoming a more efficient runner. After the run, splits appear on the watch face, but upon syncing the information to my watch, I could see heart rate splits, average pace, individual mile splits, a map of the route with a color-coded pace, and average speeds. I could finally get into the nitty-gritty of training.

Final Thoughts on the Garmin Forerunner 45S

The features of the Garmin Forerunner 45S border between what a runner needs and what a runner wants. Some features render nothing for a new runner, whereas others aren’t advanced enough for a competitive athlete.  If you’re living in the realm between a casual health-oriented runner and a uber-competitive athlete,  the Garmin Forerunner 45S satisfies the needs perfectly.

CHECK PRICE ON GARMIN
Sign up for our newsletter

Overview

  • Categories#Fitness
  • BrandGarmin
  • ModelForerunner® 45S
  • WeightSmall: 32g, Large: 36g
  • Dimensions39.5 X 39.5 X 11.4 mm
  • ColorIris, White, Black, Red
  • Lens MaterialChemically Strengthened Glass
  • Strap MaterialSilicone
  • Display Size1.04 inches (26.3 mm) Diameter
  • Display Resolution208 X 208 Pixels
  • Display TypeSunlight-Visible, Transflective Memory-In-Pixel (Mip)
  • Battery LifeSmartwatch Mode: Up to 7 Days, GPS Mode: Up to 13 Hours
  • Memory/History200 Hours of Activity Data
Related Reads
best triathlon watch
#Style

Best Triathlon Watches In 2021

see more→
best waterproof smartwatches
#Gear

Best Waterproof Smartwatches in 2021

see more→
best sports watches
#Fitness

Workout Watches: The Best Fitness Watches in 2021

see more→
Sign Up Now
GET THE VERY BEST OF GEARHUNGRY STRAIGHT TO YOUR INBOX
Gearhungry logo
  • Home
  • About Us – Learn More About Gear Hungry
  • Contact
Gear Hungry – West Hollywood, California
8605 Santa Monica Blvd
PMB 30337
West Hollywood, California 90069-4109 US
Gear Hungry – Denver, Colorado
1624 Market St Ste 226
PMB 30337
Denver, Colorado 80202-1559 US
Gear Hungry ©2021 Privacy policy Affiliate Disclosure
DMCA.com Protection Status