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A Ruby client for the Nike+ API. Here is how I use it.


  • Run Stats
  • Heart Rate Stats
  • GPS Data
  • Automatic Unit Conversion
  • Data Set Caching


Add this line to your application's Gemfile:

gem 'nike'

And then execute:

$ bundle

Or install it yourself as:

$ gem install nike

Basic Usage

Initialize the client

$ c ='your_email', 'your_password')

A summary of all activities by type (type is :run by default)

$ c.activities                      # get all runs

$ c.activities(type: :hr)           # get all heart rate activities

Full activity data (Slow if you have alot of data, use c.activity to fetch a detailed data set for a single activity)

$ c.detailed_activities             # get detailed data for all runs

$ c.detailed_activities(type: :hr)  # get detailed data for all hr activity

Detailed data for a single activity (The id can be found in using the summary calls above)

$ c.activity(id)

Lifetime stats

$ c.lifetime_totals                 # lifetime running totals

$ c.lifetime_totals(type: :hr)      # lifetime hr totals

More metrics

$ c.time_span_metrics               # run metrics

$ c.time_span_metrics(type: :hr)    # hr metrics

Distance by time of day

$ c.time_of_day_metrics

Distance by terrain

$ c.terrains

Pace data

$ c.paces

Basic stats that appear on the Nike+ homepage

$ c.homepage_stats

GPS Data

Cheking if an activity includes GPS data

$ a = @c.activity(#######)

$ a.gps                             # => true

Getting to the GPS data

$ a.geo.waypoints                   # list all GPS waypoints

$ a.geo.waypoints.first             # => {"lat"=>42.115833, "lon"=>-87.776344, "ele"=>181.78954}
$         # => 42.115833

Automatic Unit Conversion

Check to see which conversion helpers are available for a specific data set

$ a = @c.activity(#######)

$ a.conversion_helpers              # => [:distance_in_kilometers, :distance_in_miles, :duration_inseconds,
                                          :duration_in_minutes, :duration_in_hours, :duration_in_hms,
                                          :speed_in_mph, :speed_in_kph]


$ a.duration                        # => 6402672
$ a.duration_in_seconds             # => 6402.672
$ a.duration_in_minutes             # => 106.7112
$ a.duration_in_hours               # => 1.77852
$ a.duration_in_hms                 # => "01:46:42"

All time fields are automatically converted to Ruby Time objects

$ a.start_time_utc.class            # => Time


Caching is enabled by default due to the slowness of the API and the large data set sizes.

Toggle caching during client initialization

$ c ='your_email', 'your_password', caching: false)

Toggle caching after client initialization

$ c.caching = false

Force the request for a particular data set even if caching is enabled. This will have the side-effect of refreshing the cache.

$ c.activities!

$ c.activity!(12345)


  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request


A REST Client for the Nike+ API




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