GPS and multisport
Garmin Forerunner 570
Same sensor generation as the 970, two case sizes, no maps. For most runners that is the correct trade — but not for the reason people usually give.
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The short answer
The Forerunner 570 records the same core data as the Forerunner 970 — multi-band GNSS, the same sensor generation — for around $200 less, and adds a 42 mm case option the 970 does not have. The real compromise is not the missing maps but the battery: 18 stated GPS hours against 26.
Ranked
Quick picks
| # | Device | Best for | Evidence | Score | Price |
|---|---|---|---|---|---|
| 01 |  Garmin Forerunner 570 Same sensor family as the 970, $200 less, and no maps. For most runners that is the correct trade. | Most runners, most of the time | Manufacturer specification | 7.3/10 | $549.99Amazon |
#ad· Live prices from the Amazon Product API, as of Jul 24, 2026. Where we have no verified live price we show none. Scores come from the published rubric at How we rank — the Evidence column shows what each ranking actually rests on, including where the answer is nothing.
What you give up, and what you do not
Garmin publishes the 570 as available in 42 mm and 47 mm, with an AMOLED display, multi-band GNSS, a speaker and microphone, on-watch music, and up to 11 days smartwatch or 18 hours GPS on the 47 mm case.
What you do notgive up is the data. The 570 uses the same generation of optical sensor and the same class of multi-band receiver as the 970. The numbers it records are not a cut-down version of the flagship's. That is the single most useful fact about this watch and the reason it is the sensible default for most runners.
What you give up is maps, the titanium bezel, the ECG app, and eight hours of stated GPS endurance.
The battery is the real decision, not the maps
People frame this choice around mapping, but maps are a feature most runners use twice. The constraint that actually bites is endurance. Eighteen stated hours is comfortable for a marathon with an enormous margin and thin for anything beyond about twelve hours of moving time.
And per hour it is the worse deal: $30.55 against the 970's $28.85. That is a genuinely counter-intuitive result and it is why we compute these figures rather than describing watches as offering "good value".
The 42 mm option deserves more attention than it gets. A 47 mm case on a small wrist is not a cosmetic problem — a sensor that does not sit flat measures worse, which makes case size a data-quality question rather than a styling one.
What we could not verify
- Heart-rate accuracy. No independent validation of this watch that we could find.
- Positioning accuracy in the field. Same gap as the 970 — the useful peer-reviewed study is from 2020 and tested single-band hardware.
- The 42 mm battery figure.Garmin's published 18-hour GPS number is for the 47 mm case. Smaller cases carry smaller batteries; we have not seen a confirmed figure for the 42 mm and are not going to estimate one.
Who should not buy it
Anyone racing beyond about twelve hours, and anyone who navigates unfamiliar trails. Breadcrumb navigation without a map is workable in principle and unpleasant in practice when you are tired and it is getting dark.
In full
Every pick, and why
Garmin Forerunner 570
Same sensor family as the 970, $200 less, and no maps. For most runners that is the correct trade.
- Case
- 42mm or 47mm, AMOLED
- Satellite
- Multi-band GNSS
- Battery (stated)
- 11 days smartwatch / 18 h GPS (47mm)
- Maps
- None
- Extras
- Speaker and microphone, on-watch music
What's good
- Records the same core metrics as the 970 — the data you get back is not a cut-down version
- Two case sizes, which the 970 does not offer
- Multi-band GNSS at a mid-range price
What isn't
- 18 stated GPS hours is thin for ultra distances
- No maps, so navigation is breadcrumb-only
Skip this if
Skip this if you race beyond about 12 hours or navigate unfamiliar trails. The battery and the missing maps are both real limits, and neither is fixable in software.
What the evidence says
Manufacturer specificationAs with the 970, no independent validation of this model's optical heart rate has been published that we could find.
Show how this 7.3 was calculated
| Factor | Weight | Score |
|---|---|---|
| EvidenceDetailed published specs, no independent measured validation of this model. | 30% | 5.5 |
| HardwareMulti-band GNSS and the same current-generation optical sensor family as the 970. | 20% | 9.0 |
| Metric coverageEverything the 970 records except maps and the ECG app. | 20% | 8.5 |
| EnduranceGarmin states 18 hours GPS, 11 days smartwatch, on the 47mm case. | 15% | 6.0 |
| Cost per capabilityMaterially cheaper than the 970 for the same recorded data. | 15% | 8.0 |
Price as of Jul 24, 2026. Prices move; Amazon's is the one that counts.
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Questions
Frequently asked
Does the Forerunner 570 have maps?
No. Navigation is breadcrumb-only. If you want maps in this range you need the 970 — it is the primary functional difference between the two.
Is the Forerunner 570 accurate enough for serious training?
Its positioning hardware is the same class as the flagship's: multi-band GNSS. For heart rate, the same caveat applies as to every wrist device — the published literature shows optical wrist sensing degrading during intensity changes across all brands. Pair a strap if you train by heart rate.
42 mm or 47 mm?
Fit is a data-quality question, not a styling one — an optical sensor that does not sit flat against the skin measures worse. Choose the size that sits properly on your wrist. Note that Garmin's published 18-hour GPS figure is for the 47 mm case.
Show your working
Sources
Every one of these was read in full before it was cited. Where we could not access a paper, we do not quote its numbers.
- [1]Manufacturer specification2026Garmin — Forerunner 570 (47 mm) published specifications
Manufacturer-stated battery: up to 11 days smartwatch mode, up to 18 hours GPS mode.
- [2]Manufacturer specification2026Garmin — Forerunner 970 published specifications
Manufacturer-stated battery: up to 15 days smartwatch mode, up to 26 hours GPS mode.
- [3]Peer-reviewed validation2025“Impact of Anatomical Placement on the Accuracy of Wearable Heart Rate Monitors During Rest and Various Exercise Intensities”, Sensors (Basel)
n = 28 (14 male, 14 female). Polar H10 chest strap as the reference. Compared Polar Verity Sense (forearm), Garmin Forerunner 55 (wrist) and three simultaneous Whoop 4.0 units at wrist, forearm and upper arm, across rest, cycling warm-up, burpees and a modified Bruce treadmill protocol.
- [4]Peer-reviewed validation2020Gilgen-Ammann, Schweizer & Wyss, “Accuracy of Distance Recordings in Eight Positioning-Enabled Sport Watches: Instrument Validation Study”, JMIR mHealth and uHealth
DOI 10.2196/17118. Eight watches (Apple Watch Series 4, Coros Apex 46mm, Garmin Fenix 5X Plus, Garmin Forerunner 935, Polar Vantage M, Polar Vantage V, Polar V800, Suunto 9 Baro) measured against a trundle wheel accurate to 1 cm, across urban, forest and 400 m track conditions. IMPORTANT: this predates the dual-frequency receivers now standard, so it describes brand engineering history, not any watch currently sold.
Read next
Related
- Forerunner 570 vs 970
Both watches side by side, with the arithmetic.
- Forerunner 970
The flagship: maps, titanium and eight more stated GPS hours.
- Best running watches
Where the 570 lands against the wider field.