Marathon ADANAC 3000 Stopwatch
- Stopwatch
- Black
- 2.4 ounces
- More reviewed than 98%
A lightweight, dedicated stopwatch for coaches and trainers who want a single-purpose timing tool.
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How it ranks among the 48 stopwatches we track
4.4★ across 7,800 Amazon ratings, Bayesian-smoothed toward the category average.
7,800 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
Modest tracked demand last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 48 stopwatches we track - how the scorecard works · full stopwatches data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A black stopwatch weighing just 0.15 pounds, from Marathon's ADANAC line. Built as a dedicated handheld timer rather than a multi-function fitness tracker.
At roughly 2.4 ounces it is light enough to hang on a lanyard through a full practice or match without noticeable weight. As a standalone stopwatch it suits coaches, referees and anyone timing intervals who wants a single-purpose device rather than a phone app.
- 0.15 pounds
- Black color
- Marathon ADANAC 3000 model
- Handheld stopwatch format
Who it's for
Suits coaches, referees or trainers who want a dedicated handheld timer they can operate by feel during a session. Athletes who already track time through a phone or smartwatch app would not need a separate device.
Strengths and trade-offs
Drawn from this product's published specifications.
- Very light at 0.15 pounds
- Dedicated single-purpose timing device
- No display or function details given beyond weight and color
Performance notes
At 0.15 pounds it is light enough to carry all day on a lanyard, and being a single-purpose device means no app switching or phone battery drain during a long practice.
Specifications
| Brand | Marathon |
|---|---|
| Model | ADANAC 3000 |
| Color | Black |
| Item Weight | 2.4 ounces |
Other Marathon stopwatches
How it compares
This product against the closest alternatives we track in stopwatches.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Marathon ADANAC 3000 StopwatchThis product | 4.4 / 5 | 7,800 | 3.8 / 5 |
| Gymboss BLACKBU StopwatchGymboss | 4.5 / 5 | 5,500 | 4.3 / 5 |
| ACCUSPLIT 12440191 StopwatchACCUSPLIT | 4.5 / 5 | 3,500 | 4.3 / 5 |
| Learning Resources Simple 3 Button StopwatchLearning | 4.5 / 5 | 3,000 | 4.3 / 5 |
| Sports YS-802 StopwatchSports | 4.2 / 5 | 2,000 | 4.2 / 5 |
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Questions about the Marathon ADANAC 3000
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How much does the Marathon ADANAC 3000 stopwatch weigh?
It weighs 0.15 pounds.
What color is the Marathon ADANAC 3000?
It comes in black.
Who typically uses a stopwatch like the ADANAC 3000?
Coaches, referees and trainers who want a dedicated handheld timer for practices or intervals.