diff --git a/lib/bike_club.rb b/lib/bike_club.rb
index b83c6db..b07b049 100644
--- a/lib/bike_club.rb
+++ b/lib/bike_club.rb
@@ -1,3 +1,26 @@
 class BikeClub
+  attr_reader :name, :bikers
 
+  def initialize(name)
+    @name = name
+    @bikers = []
+  end
+
+  def add_biker(biker)
+    @bikers << biker
+  end
+
+  def most_rides
+   @bikers.max_by { |biker| biker.ride_count}
+  end
+
+  def best_time(ride)
+    @bikers.min_by { |biker| biker.personal_record(ride) }
+  end
+
+  def bikers_eligible(ride)
+    @bikers.select do |biker|
+      biker.acceptable_terrains.include?(ride.terrain) && biker.max_distance >= ride.total_distance
+    end
+  end
 end
\ No newline at end of file
diff --git a/lib/biker.rb b/lib/biker.rb
index db234de..29b9882 100644
--- a/lib/biker.rb
+++ b/lib/biker.rb
@@ -1,3 +1,36 @@
 class Biker
+  attr_reader :name, :max_distance, :rides, :acceptable_terrains
 
-end
\ No newline at end of file
+  def initialize(name, max_distance)
+    @name = name
+    @max_distance = max_distance
+    @rides = {}
+    @acceptable_terrains = []
+  end
+
+  def learn_terrain!(terrain_type)
+    @acceptable_terrains << terrain_type
+  end
+
+  def log_ride(ride, time)
+    if @acceptable_terrains.include?(ride.terrain) && @max_distance >= ride.total_distance
+      if @rides.key?(ride)
+        @rides[ride] << time
+      else
+        @rides[ride] = [time]
+      end
+    end
+  end
+
+  def personal_record(ride)
+    if @rides.key?(ride)
+      rides[ride].min
+    else
+      false
+    end
+  end
+
+  def ride_count
+    rides.values.flatten.count
+  end
+end
diff --git a/lib/ride.rb b/lib/ride.rb
index 1be20f0..5e94a9e 100644
--- a/lib/ride.rb
+++ b/lib/ride.rb
@@ -1,3 +1,22 @@
 class Ride
+  attr_reader :name, :distance, :loop, :terrain
 
+  def initialize(info)
+    @name = info[:name]
+    @distance = info[:distance]
+    @loop = info[:loop]
+    @terrain = info[:terrain]
+  end
+
+  def loop?
+    @loop
+  end
+
+  def total_distance
+    if loop? == false
+      @distance + @distance
+    else
+      @distance
+    end
+  end
 end
\ No newline at end of file
diff --git a/spec/bike_club_spec.rb b/spec/bike_club_spec.rb
new file mode 100644
index 0000000..7cde4ec
--- /dev/null
+++ b/spec/bike_club_spec.rb
@@ -0,0 +1,108 @@
+require './lib/ride'
+require './lib/biker'
+require './lib/bike_club'
+require 'rspec'
+
+RSpec.describe BikeClub do
+  describe '#initialize' do
+    it 'has a name' do
+      bikeclub = BikeClub.new("Sons of Anarchy")
+
+      expect(bikeclub.name).to eq "Sons of Anarchy"
+    end
+
+    it 'has a list of bikers' do
+      bikeclub = BikeClub.new("Sons of Anarchy")
+
+      expect(bikeclub.bikers).to eq []
+    end
+  end
+
+  describe 'behaviors' do
+    it 'can add new Bikers' do
+      bikeclub = BikeClub.new("Sons of Anarchy")
+      biker1 = Biker.new("Kenny", 30)
+      bikeclub.add_biker(biker1)
+      biker2 = Biker.new("Athena", 15)
+      bikeclub.add_biker(biker2)
+
+      expect(bikeclub.bikers).to eq [biker1, biker2]
+    end
+
+    it 'can tell which Biker has logged the most rides' do
+      biker1 = Biker.new("Kenny", 30)
+      biker1.learn_terrain!(:gravel)
+      biker1.learn_terrain!(:hills)
+      biker2 = Biker.new("Athena", 30)
+      biker2.learn_terrain!(:gravel)
+      biker2.learn_terrain!(:hills)
+
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+      biker1.log_ride(ride1, 92.5)
+      biker1.log_ride(ride1, 91.1)
+      biker1.log_ride(ride2, 60.9)
+      biker1.log_ride(ride2, 61.6)
+      biker2.log_ride(ride1, 95.0)
+      biker2.log_ride(ride2, 65.0)
+
+      bikeclub = BikeClub.new("Sons of Anarchy")
+      bikeclub.add_biker(biker1)
+      bikeclub.add_biker(biker2)
+
+      expect(bikeclub.most_rides).to eq (biker1)
+    end
+
+    it 'can tell which Biker has the lowest PR for a ride' do
+      biker1 = Biker.new("Kenny", 30)
+      biker1.learn_terrain!(:gravel)
+      biker1.learn_terrain!(:hills)
+      biker2 = Biker.new("Athena", 30)
+      biker2.learn_terrain!(:gravel)
+      biker2.learn_terrain!(:hills)
+
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+      biker1.log_ride(ride1, 92.5)
+      biker1.log_ride(ride1, 91.1)
+      biker1.log_ride(ride2, 60.9)
+      biker1.log_ride(ride2, 61.6)
+      biker2.log_ride(ride1, 95.0)
+      biker2.log_ride(ride2, 65.0)
+
+      bikeclub = BikeClub.new("Sons of Anarchy")
+      bikeclub.add_biker(biker1)
+      bikeclub.add_biker(biker2) 
+
+      expect(bikeclub.best_time(ride1)).to eq biker1
+    end
+
+    it 'can tell which Bikers are eligible for a given ride' do
+      biker1 = Biker.new("Kenny", 30)
+      biker1.learn_terrain!(:gravel)
+      biker1.learn_terrain!(:hills)
+
+      biker2 = Biker.new("Athena", 30)
+      biker2.learn_terrain!(:gravel)
+      biker2.learn_terrain!(:hills)
+
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+
+      biker1.log_ride(ride1, 92.5)
+      biker1.log_ride(ride1, 91.1)
+      biker1.log_ride(ride2, 60.9)
+      biker1.log_ride(ride2, 61.6)
+      
+      biker2.log_ride(ride1, 95.0)
+      biker2.log_ride(ride2, 65.0)
+
+      bikeclub = BikeClub.new("Sons of Anarchy")
+      bikeclub.add_biker(biker1)
+      bikeclub.add_biker(biker2) 
+      
+      expect(bikeclub.bikers_eligible(ride1)).to eq [biker1, biker2]
+
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/biker_spec.rb b/spec/biker_spec.rb
new file mode 100644
index 0000000..f9cf701
--- /dev/null
+++ b/spec/biker_spec.rb
@@ -0,0 +1,130 @@
+require './lib/ride'
+require './lib/biker'
+require 'rspec'
+
+RSpec.describe Biker do
+  describe '#initialize' do
+    it 'assigns a name' do
+      biker = Biker.new("Kenny", 30)
+      
+      expect(biker.name).to eq "Kenny"
+    end
+
+    it 'assigns a max_distance' do
+      biker = Biker.new("Kenny", 30)
+
+      expect(biker.max_distance).to eq 30
+    end
+
+    it 'holds an empty hash of logged rides' do
+      biker = Biker.new("Kenny", 30)
+
+      expect(biker.rides).to eq ({})
+    end
+
+    it 'holds an empty array of acceptable terrains' do
+      biker = Biker.new("Kenny", 30)
+
+      expect(biker.acceptable_terrains).to eq []
+    end
+  end
+
+  describe 'behaviors' do
+    it 'can add different elements to the #acceptable_terrains array' do
+      biker = Biker.new("Kenny", 30)
+      biker.learn_terrain!(:gravel)
+      biker.learn_terrain!(:hills)
+
+      expect(biker.acceptable_terrains).to eq [:gravel, :hills]
+    end
+
+    it 'can add a ride/time key-value pair to the #rides hash' do
+      biker = Biker.new("Kenny", 30)
+      biker.learn_terrain!(:gravel)
+      biker.learn_terrain!(:hills)
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+      biker.log_ride(ride1, 92.5)
+      biker.log_ride(ride1, 91.1)
+      biker.log_ride(ride2, 60.9)
+      biker.log_ride(ride2, 61.6)
+
+      expected_rides = {
+        ride1 => [92.5, 91.1],
+        ride2 => [60.9, 61.6]
+      }
+
+      expect(biker.rides).to eq(expected_rides)
+    end
+
+    it 'can return the lowest stored time for a given ride' do
+      biker = Biker.new("Kenny", 30)
+      biker.learn_terrain!(:gravel)
+      biker.learn_terrain!(:hills)
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+      biker.log_ride(ride1, 92.5)
+      biker.log_ride(ride1, 91.1)
+      biker.log_ride(ride2, 60.9)
+      biker.log_ride(ride2, 61.6)
+
+      expect(biker.personal_record(ride1)).to eq 91.1
+      expect(biker.personal_record(ride2)).to eq 60.9
+    end
+
+    it 'will not add a ride to the #rides hash if the terrain has not been learned' do
+      biker2 = Biker.new("Athena", 15)
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel})
+
+      biker2.log_ride(ride1, 97.0)
+      biker2.log_ride(ride2, 67.0)
+
+      expect(biker2.rides).to eq ({})
+    end
+
+    it 'will not add a ride to the #rides hash if the ride distance is greater than the rider max_distance' do
+      biker2 = Biker.new("Athena", 15)
+      biker2.learn_terrain!(:gravel)
+      biker2.learn_terrain!(:hills)
+
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel})
+
+      biker2.log_ride(ride1, 95.0)
+      biker2.log_ride(ride2, 65.0)
+      
+      expect(biker2.rides).to eq({ ride2 => [65.0] })
+    end
+
+    it 'can return the lowest ride time or false' do
+    biker2 = Biker.new("Athena", 15)
+    biker2.learn_terrain!(:gravel)
+    biker2.learn_terrain!(:hills)
+
+    ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+    ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel})
+
+    biker2.log_ride(ride1, 95.0)
+    biker2.log_ride(ride2, 65.0)
+    biker2.rides
+
+    expect(biker2.personal_record(ride2)).to eq 65.0
+    expect(biker2.personal_record(ride1)).to eq false
+    end
+
+    it 'can calculate the total number of rides taken' do
+      biker = Biker.new("Kenny", 30)
+      biker.learn_terrain!(:gravel)
+      biker.learn_terrain!(:hills)
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel}) 
+      biker.log_ride(ride1, 92.5)
+      biker.log_ride(ride1, 91.1)
+      biker.log_ride(ride2, 60.9)
+      biker.log_ride(ride2, 61.6)
+
+      expect(biker.ride_count).to eq 4
+    end
+  end
+end
\ No newline at end of file
diff --git a/spec/ride_spec.rb b/spec/ride_spec.rb
new file mode 100644
index 0000000..c4e63f0
--- /dev/null
+++ b/spec/ride_spec.rb
@@ -0,0 +1,52 @@
+require './lib/ride'
+require 'rspec'
+
+RSpec.describe Ride do
+  describe "#initialize" do
+    it 'assigns a name' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      
+      expect(ride1.name).to eq "Walnut Creek Trail"
+    end
+
+    it 'assigns a distance' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      
+      expect(ride1.distance).to eq 10.7
+    end
+
+    it 'describes terrain' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      
+      expect(ride1.terrain).to eq :hills
+    end
+
+    it 'describes loop status as true/false' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+      
+      expect(ride1.loop).to eq false
+    end
+  end
+
+  describe "behaviors" do
+    it 'indicates if a ride is a loop' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+
+      expect(ride1.loop?).to eq false
+
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel})
+
+      expect(ride2.loop?).to eq true
+    end
+
+    it 'calculates total ride distance' do
+      ride1 = Ride.new({name: "Walnut Creek Trail", distance: 10.7, loop: false, terrain: :hills})
+
+      expect(ride1.total_distance).to eq 21.4
+
+      ride2 = Ride.new({name: "Town Lake", distance: 14.9, loop: true, terrain: :gravel})
+      
+      expect(ride2.total_distance).to eq 14.9
+    end
+  end
+end
\ No newline at end of file