Training timer features

Training data: Can display training time, pace, distance, lap pace, lap time, lap distance, average and best pace, elevation and calories

Lap History: Automatically records up to 5000 laps by day or week; stores approximately two years of data. Download histories to your PC using associated software (201 and 301)

Training assistant

AutoPause®: Automatically pauses the training timer when you slow down below a specified resting pace; timer resumes when you start running again

AutoLap®: Automatically triggers a lap when you reach a specified distance. Allows you to run anywhere and still get accurate performance data

Virtual Partner®: Allows you to input training goals based on time, distance and pace. Forerunner displays a graphic "virtual partner" that will run with the set goal, so you can see at a glance if you are keeping up or falling behind.

Pace alert: Alarm sounds if you are slower or faster than the pace you've input

Time/distance alert: Alarm sounds when you reach the specified time or distance

Interval training : Allows you to set up exercise and rest intervals and number of reps

Navigation features

Receiver: 12 parallel channel GPS receiver continuously tracks and uses up to 12 satellites to track your speed and distance

Antenna: Built-in patch

Mark location: Mark and save up to 100 locations

Find location: Look up and navigate to stored locations

Back to start: Navigate back to starting location

Map mode: Electronic map shows your location, along with marked locations. Pointer arrow shows direction to travel when navigating back to start or to a stored location

Physical

Display: 1.44"W x .92"H, 100 x 64 pixels

Case: Waterproof to IEC 60529 IPX7 standards

Temperature range: -4° to 140°F (-20°C to 60°C)

Features unique to the 301

Heart rate monitor: Digitally coded transmission

Display: Shows heart rate (beats per minute) and zone (between 1 and 5)

AutoLearn™: Learns user's heart rate zones, adjusting them as fitness levels improve

AutoScroll: Cycles through data pages during a workout

Alerts: Alarm sounds if you reach specified minimum or maximum heart rate

Multi-sport: Set up profiles for running, biking, and another sport

Advanced workout: Set up workouts with specific durations and targets(speed or heart rate)

Forerunner series comparison guide

Here's how the units are different:

Forerunner 101:

• Measures speed, distance, pace and calories burned; no PC interface
• Size: 3.3"W x 1.7"H x .9"D
• Weight: 2.6 ounces (74 g) with batteries
• Batteries: 2 AAAs; 15 hours

Forerunner 201:

• Measures speed, distance, pace and calories burned; analyze and store workout data on PC
• Size: 3.3"W x 1.7"H x .7"D
• Weight: 2.75 ounces (78 g) with batteries
• Batteries: rechargeable lithium ion; 15 hours

Forerunner 301:

• Measures heart rate, speed, distance, pace and calories burned; multiple sports profiles; advanced workouts; create, analyze and store workout data on PC using USB port.
• Size: 3.3"W x 1.7"H x .7"D
• Weight: 2.75 ounces (78 g) with batteries
• Batteries: rechargeable lithium ion; 14 hours
• Heart rate monitor:
• Size: 11.65 "W x 1.34"H x .43"D
• Strap: 12.6" - 25.2"
• Weight: 1.55 ounces