Prime Day is June 23 to 26, and Lifehacker is sharing the best sales based on product reviews, comparisons, and price-tracking tools before it's over. 

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• New to Prime Day? We have a primer on everything you need to know. Sales are accurate at the time of publication, but prices and inventory are always subject to change. 

Prime Day is on June 23 and runs through June 26, and there are great deals on fitness equipment. Below are our favorites so far, and we'll keep updating this article as more become available.

Prime Day deals on treadmills

• Echelon Stride Sport 40 treadmill is $762.23, down from $899.99. It was $589.20 a few days ago, so I'm keeping it on the list in case the price drops again. This treadmill goes up to a speed of 12 miles per hour and 10% incline. It has an LCD display and a device holder if you'd like to use your own device for Echelon's subscription programming.

• Echelon Stride 4S+22 treadmill is $1,499.99, down from $1,899.99. It has the same speed and incline abilities as the Sport 40 but adds a swiveling 22-inch touchscreen.

• Sunny Strider foldable treadmill is $349.99, down from $699.99. It goes up to 7.5 miles per hour, and there is no incline setting.

Prime Day deals on exercise bikes

• Certified refurbished Peloton Bike+ (the older style, not the Cross-Training) is $1,395, down from $1,995. This is also less than the typical price of a refurbished Bike+.

• YOSUDA Friction 1.0 bike is $170.97, down from $249.99.

• This Sunny bike with a 40-pound flywheel is $299.99, down from $359.99.

Prime Day deals on adjustable dumbbells

• Bowflex Results Series 552 dumbbells are $328.99 for a pair, normally $429.99. These can adjust from 5 to 52 pounds.

• MouldBody adjustable dumbbells are $227.99 for a pair, normally $329.99. These each adjust from 6 to 50 pounds.

Prime Day deals on home gym staples

• These resistance bands are $18.99, normally $24.99. A solid pair of resistance bands like these are the perfect addition to home gyms, travel workouts, or hotel rooms.

• This ab roller is $21.82, normally $27.97. It comes with the roller wheel, knee pads, push-up handles, and a set of resistance bands.

• This Fitvids set of kettlebells is $44.99, normally $49.99. Includes 5lb, 10lb, 15lb and 20lb kettlebells.

• This Fitvids rubber coated hex dumbbell set is $269.99, normally $299.99. The 200-pound set comes with an A-Frame rack and pairs of 10, 15, 20, 25, and 30-pound hand weights.

Looking for something else? Retailers like Walmart and Best Buy run Prime Day-style sales that are especially useful if you don’t have Amazon Prime.

• Walmart’s Prime Day competition sale runs from June 22-28 and includes deals up to 50% off. It’s an especially good option if you have Walmart+. 

• Best Buy’s Prime Day competition sale runs from June 22-28, and has some of the best tech sales online. It’s an especially good option if you’re a My Best Buy “Plus” or “Total” member.

• Target’s Prime Day competition sale runs from June 23-26, with deals up to 50% off. You can become a Circle member for free.