# TLDR Review: Spirit XT685 Treadmill

*Published: 2026-10-05 | Updated: 2026-10-05 | Source: https://shopsavvy.com/reviews-tldr/spirit-xt685-treadmill*

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## Product: Spirit XT685 Treadmill
**Brand:** Spirit
[Compare prices and price history on ShopSavvy](https://shopsavvy.com/products/spirit-xt685-treadmill)

## Pros
- Long, comfortable running platform helps reduce impact and smooth transition between speeds, making for a more enjoyable workout.
- Pre-programmed workout options are straightforward to access without needing a smartphone app, adding convenience.
- Can connect with virtual running programs like Zwift, which makes indoor workouts more engaging.
- Incline feature offers 15 levels, giving plenty of variety for different training intensities.
- Maximum speed of 12 mph suits various running paces and slow joggers alike.
- Overall performance feels solid and exceeds expectations for its mid-tier status, offering good value.
- Quiet operation makes it suitable for use around sleeping children or shared spaces.
- Built with reliable brand quality and durable materials, promising long-term use.
- Compatible with Apple Watch, allowing seamless fitness tracking.
- Smooth transition between different inclines and quick adjustment make workout changes effortless.

## Cons
- Firmware update required for heart rate monitor compatibility, which involves owning a USB-A drive and performing updates.
- Motor performance, especially at 15% incline, may feel limited with occasional slipping and perceived increased effort.
- Belt lubrication is essential to maintain smooth operation—neglecting this could lead to performance issues.
- Not ideal for heavyset individuals focused on high-incline walking, as motor limitations may cause instability.
- The fan can blow above head height at higher inclines, which might be uncomfortable for shorter users.
- Device tray is positioned too high for some, limiting accessibility during workout.
- Button interface and features are not immediately intuitive, requiring a learning curve.
- Slight belt tension adjustments needed initially; can take some fiddling to get perfect.
- Primarily designed for walking and light exercise, not for vigorous running or intense incline workouts.
- Pausing can cause jerking motion due to brief stops, impacting joint comfort.

## Bottom Line

This treadmill offers excellent value with a sturdy build, versatile incline options, and engaging virtual workout compatibility, making it a solid choice for light to moderate workouts. However, if you’re a heavier user or planning high-incline, intense running sessions, the motor limitations could be a concern. For a dedicated high-performance model, you might want to check out a treadmill with a more powerful motor and more intuitive features, but for most casual or light trainers, this model hits the sweet spot.

## Pros vs Cons at a Glance

| Pros | Cons |
|------|------|
| Long, comfortable running platform helps reduce impact and smooth transition between speeds, making for a more enjoyable workout. | Firmware update required for heart rate monitor compatibility, which involves owning a USB-A drive and performing updates. |
| Pre-programmed workout options are straightforward to access without needing a smartphone app, adding convenience. | Motor performance, especially at 15% incline, may feel limited with occasional slipping and perceived increased effort. |
| Can connect with virtual running programs like Zwift, which makes indoor workouts more engaging. | Belt lubrication is essential to maintain smooth operation—neglecting this could lead to performance issues. |
| Incline feature offers 15 levels, giving plenty of variety for different training intensities. | Not ideal for heavyset individuals focused on high-incline walking, as motor limitations may cause instability. |
| Maximum speed of 12 mph suits various running paces and slow joggers alike. | The fan can blow above head height at higher inclines, which might be uncomfortable for shorter users. |
| Overall performance feels solid and exceeds expectations for its mid-tier status, offering good value. | Device tray is positioned too high for some, limiting accessibility during workout. |
| Quiet operation makes it suitable for use around sleeping children or shared spaces. | Button interface and features are not immediately intuitive, requiring a learning curve. |
| Built with reliable brand quality and durable materials, promising long-term use. | Slight belt tension adjustments needed initially; can take some fiddling to get perfect. |
| Compatible with Apple Watch, allowing seamless fitness tracking. | Primarily designed for walking and light exercise, not for vigorous running or intense incline workouts. |
| Smooth transition between different inclines and quick adjustment make workout changes effortless. | Pausing can cause jerking motion due to brief stops, impacting joint comfort. |

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*About this review: We pulled together findings from professional and user reviews, and cross-referenced them with ShopSavvy's pricing data from thousands of retailers to give you the short version.*

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