Made for StreamingCardio classes & Interval Workouts

Discover a better run
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BLUETOOTH FTMS
App Connectivity

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Easier to Navigate
& Monitor

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Fat-Burning
HIIT Program

7.8 AT Treadmill

HTM1381-01

The ultimate runner’s treadmill with a powerful deck and motor combination. Engineered for apps — connect directly to Zwift or run with other fitness streaming apps like Peloton.*

Designed for an Uncompromising Run Designed for high-intensity training and multi-user households, the 7.8AT is our most advanced Studio Series treadmill. QuickDial™ speed and incline offer seamless adjustments without breaking your stride, and a 22” x 60” deck gives you room for your most intense runs. Integrated media controls keep you locked in on whatever moves you without swiping a touchscreen mid-sprint, and open Bluetooth connectivity lets you connect to Peloton, Zwift and other running apps on your phone or tablet. Best of all, a heavy-duty frame with aluminum side rails and an industry-leading warranty mean the 7.8AT Treadmill will outlast other designs while you outrun your goals.

$2,499

$2,899

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Horizon Studio Series

Horizon STUDIO Treadmills are dialed into the ways you want to work out.

Connected

Stream classes and sync your treadmill data with Bluetooth FTMS

Responsive

Intuitive Quick Dial controls + faster speed & incline changes

Durable

Unmatched durability + premium components for your toughest runs

Guaranteed

Strong warranty protection for peace of mind

Horizon Studio Series

Fitness Unlocked

Create a studio experience at home, for less

  • AtZone
  • Peloton
  • Kinomap
  • Zwift
  • Fitscope
  • Fitbit
  • Apple Health
  • Google Fit

Say goodbye to built-in screens and subscriptions that lock you in. Say hello to a smarter, better fitness experience. Horizon makes it easy to connect your phone or tablet screen to your fitness equipment using Bluetooth.

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CONNECT YOUR APPS WITHBLUETOOTH

Add a personal twist to take your workout further than ever. Whether you like to sweat to music, movies or on-demand classes, we make it easy to stay connected to the content that moves you.
  • Sync your treadmill data with Peloton* and other training apps
  • View live in-app workout metrics
  • Integrated Bluetooth speakers and media control center
  • Bluetooth heart rate monitor included
  • Built-in media rack and USB charging port for your phone or tablet

*Peloton App+ membership required, sold separately. All trademarks are property of their respective owners, are used for identification purposes only, and do not imply endorsement.

Bluetooth Speakers for 7.8

Dial it Up Quick Precision Control

Experience faster, smoother transitions between intervals using QuickDial™ controls that simplify speed and incline adjustments without breaking your stride. On the right, roll the dial forward to increase speed and roll it back to decrease speed. On the left, roll it forward to go up the hill and roll it back to come back down. Available exclusively on Studio Series Treadmills by Horizon Fitness.

Treadmill console with Sprint 8

Light Up Your Workout Data

Push your interval workouts further using the 60 second countdown timer while viewing all of your key metrics on dual full color LCD and LED displays.

Bring your personal devices to your workout without blocking your data, thanks to multiple convenient media holder options and a built-in charging port.

Rapid Sync Motor Perfect For Interval Training

Power your workouts with our 500 lb thrust incline motor. The most responsive drive system available in a treadmill. That means faster changes and a smoother, more efficient run.

The Johnson Digital Drive System featuring Rapid Sync™ Technology ensures no lags or delays between speed and incline changes. It responds faster than other treadmill motors, so you’ll never fall out of step with a fast-paced interval running class.

Sprint 8 | Horizon Fitness
Sprint 8 | Horizon Fitness

Maximum Results Minimum Time

Achieve maximum results in less time with our 20-minute high-intensity interval training workout, proven to burn up to 27% body fat in just eight weeks.

Sprint 8 is more efficient than a basic HIIT workout because it engages fast-twitch muscle fibers and naturally stimulates Human Growth Hormone (HGH). This triggers a response in the body that melts fat, encourages lean muscle mass and increases energy.

Learn more

Extra Large Deck Gives You Room to Run

Whether you’re a jogger or a sprinter, this extra large deck gives you the freedom and security to run at your pace. At 22" x 60", it’s the commercial standard in deck size and technology.

All Horizon treadmill decks are built with shock-absorbing 3-Zone Variable Response Cushioning to give you the ideal amount of flex and support in all phases of your stride.

Heavy-duty materials and the strongest deck and frame combination mean this treadmill will stand up to your toughest workouts for years to come.

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Specs back to top



Total Value 7.0 AT 7.4 AT 7.8 AT
Sale Price $1,499.00 $2,199.00 $2,499.00
Free Curbside Shipping Yes Yes Yes

App Compatibility 7.0 AT 7.4 AT 7.8 AT
Transmit live metrics to Peloton and other training apps with Bluetooth FTMS Yes Yes Yes
Unlock free streaming fitness classes and scenic runs with atZone Yes Yes Yes
Link your workout data with Strava and other tracking apps Yes Yes Yes
Connects to Apple Watch and Samsung Galaxy Watch Yes No No
Personalized, adaptive workouts with JRNY × × ×

Machine Specs 7.0 AT 7.4 AT 7.8 AT
Frame Type FeatherLight Folding FeatherLight Folding FeatherLight Folding
Running Area 20" x 60" 22" x 60" XL Deck 22" x 60" XL Deck
Cushioning 3-Zone Variable Response Cushioning 3-Zone Variable Response Cushioning 3-Zone Variable Response Cushioning
Belt 1.6mm, Silicone 1.6mm, Silicone 1.6mm, Silicone
Deck Thickness 0.7" (18mm) 0.8" (20mm) 0.8" (20mm)
Roller Size 60mm/46mm Tapered 60mm/46mm Tapered 60mm/46mm Tapered
Speed Range 0.5 – 12 mph 0.5 – 12 mph 0.5 – 12 mph
Incline Range 0 – 15% 0 – 15% 0 – 15%
Step on Height (inches) 8 5/8” 8 3/4” 8 3/4”
Heart Rate Bluetooth Heart Rate Monitor Included, Bluetooth Wireless Receiver, Hand Grips Bluetooth Heart Rate Monitor Included, Bluetooth Wireless Receiver, Hand Grips Bluetooth Heart Rate Monitor Included, Bluetooth Wireless Receiver, Hand Grips
Extras Audio In/Out Jack, Bluetooth Speakers, Bottle Holder, Built-in Speakers, Custom Interval Keys, Energy Saver Mode, Fan, Speed & Incline Quick Dial Controls, Tablet Rack, USB charging (1A/5V), Water Bottle Holder Audio In/Out Jack, Bluetooth Speakers, Custom Interval Keys, Energy Saver Mode, Fan, Multi-position Tablet Holders, Speed & Incline Quick Dial Controls, USB charging (1A/5V), Water Bottle Holder Accessory Tray, Aluminum Side Rails, Audio In/Out Jack, Bluetooth Speakers, Custom Interval Keys, Energy Saver Mode, Fan, Media Controls, Multi-position Tablet Holders, Speed & Incline Quick Dial Controls, USB charging (1A/5V), Water Bottle Holder
Weight 277 lbs. 318 lbs. 330 lbs.
Assembled Dimensions (L x W x H) 76" x 35" x 67" 76" x 37" x 63" 76" x 37" x 64"
Folded Dimensions (L x W x H) 44" x 35" x 68" 42" x 37" x 71" 42" x 37" x 71"
Shipping Dimensions (L x W x H) 79.5" x 30" x 13.4" 78" x 40" x 13.5" 78" x 40" x 13.5"
Estimated Shipping Weight 332 lbs. 386 lbs. 391 lbs.
Max User Weight 325 lbs. 350 lbs. 375 lbs.
Electrical Requirements 60Hz - 120V. Not compatible w/ GFCI outlets. 60Hz - 120V. Not compatible w/ GFCI outlets. 60Hz - 120V. Not compatible w/ GFCI outlets.
Home Warranty - Frame Lifetime Lifetime Lifetime
Home Warranty - Motor Lifetime Lifetime Lifetime
Home Warranty - Parts 3 years 5 years 5 years
Home Warranty - Labor 1 year 2 years 2 years
Connects to Apple Watch and Samsung Galaxy Watch Yes No No
Personalized, adaptive workouts with JRNY × × ×

Console Specs 7.0 AT 7.4 AT 7.8 AT
Bluetooth Enabled Yes Yes Yes
Speakers Yes Yes Yes
USB Charging Port Yes - Type A Yes - Type A Yes - Type A
Display 7.25" High Contrast LCD Screen, 4 High Contrast LED Windows 16 Digit Alphanumeric LED, 8.25"LCD Screen 16 Digit Alphanumeric LED, 9.3" High Contrast Color TFT Screen
Programs 5K, Calorie, Custom, Distance, Fat Burn, Hill Climb, Manual, Target HRT 5K, Calorie, Custom, Custom HR, Distance, Fat Burn, Heart Rate, Hill Climb, Manual, Sprint 8 5K, Calorie, Custom, Custom HR, Distance, Fat Burn, Heart Rate, Hill Climb, Manual, Sprint 8
Workout Feedback Calories, Distance, Heart Rate, Incline, Speed, Time Calories, Distance, Heart Rate, Incline, Speed, Time Calories, Distance, Heart Rate, Incline, Pace, Speed, Time
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Manuals and Guides


Product Support FAQ’s

Compatible Parts

Find a comprehensive list of parts and shop now on parts.horizonfitness.com, the official site for 7.8 AT Treadmill replacement parts.

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