Garmin · Forerunner

Forerunner 101

Released 2004

A GPS training watch with replaceable AAA batteries, Virtual Partner and on-watch lap history.

Specifications

Case sizes: 83 mm
Always-on display: Yes
Display detail: Backlit 36.49 × 23.35 mm monochrome display, 100 × 64 pixels, operated with physical buttons. Garmin does not identify the panel technology.

ECG: No
Blood oxygen: No
Skin temperature: No
Sleep apnoea alerts: No
High blood pressure alerts: No
Body composition: No
Fall detection: No
Crash detection: No
GPS: Single-band
Sensors: Twelve-channel GPS receiver with built-in patch antenna; no heart-rate or cadence sensor support.
Fitness features: Time, distance, pace and calorie tracking; Virtual Partner, interval training, Auto Pause, Auto Lap and pace, time and distance alerts.
Safety features: Stores 100 locations and offers basic route display and navigation back to the start; no detailed base maps.

Battery life (maker's claim): Up to 15 hours
Mobile data option: No
Works with: No phone pairing
Battery life detail: Two replaceable 1.5 V AAA batteries; fourteen to fifteen hours of typical use according to the owner's manual.
Connectivity: No computer interface or direct phone pairing; history is viewed on the watch.
Storage: Up to 5,000 laps and approximately two years of training history.

Weight (lightest version): 74 g
Software: Garmin
Case materials: High-impact plastic alloy housing; IPX7 immersion protection, one metre for thirty minutes. This is not a swimming watch.
Size: 83 × 43.5 × 23 mm; 74 g including batteries, according to Garmin's series datasheet. Width is used as the case size.
Bands: Adjustable wrist strap.

Model	Type	Sizes	Movement	Power reserve	Display	Battery	Water	GPS	Weight	Released
GarminForerunner 201	Smart and sports	82.8 mm	–	–	LCD	15 h	–	Single-band	78 g	2003
GarminForerunner 301	Smart and sports	82.8 mm	–	–	–	14 h	–	Single-band	78 g	2005
GarminForerunner 205	Smart and sports	53.3 mm	–	–	–	10 h	–	Single-band	77 g	2006