diff --git a/Gemfile b/Gemfile
index 3c1ab6d..05b3b30 100644
--- a/Gemfile
+++ b/Gemfile
@@ -24,6 +24,7 @@ gem "rake"
 gem "slim"
 gem "builder"
 gem "georuby"
+gem "gpx"
 gem "gnuplot"
 gem "matrix"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 7db3323..5a8def6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,6 +139,9 @@ GEM
     formatador (1.1.0)
     georuby (2.5.2)
     gnuplot (2.6.2)
+    gpx (0.8.3)
+      nokogiri
+      rake
     guard (2.18.0)
       formatador (>= 0.2.4)
       listen (>= 2.7, < 4.0)
@@ -416,6 +419,7 @@ DEPENDENCIES
   dry-types
   georuby
   gnuplot
+  gpx
   guard-puma (~> 0.8)
   hanami (~> 2.0.0)
   hanami-controller (~> 2.0.0)
diff --git a/app/commands/workouts/create.rb b/app/commands/workouts/create.rb
index 0363577..1d7ac3e 100644
--- a/app/commands/workouts/create.rb
+++ b/app/commands/workouts/create.rb
@@ -10,8 +10,8 @@ module Adamantium
         include Deps["repos.workout_repo"]
         include Dry::Monads[:result]
 
-        def call(svg:, distance:)
-          workout_repo.create(path: svg, distance: distance, published_at: Time.now)
+        def call(svg:, distance:, duration:)
+          workout_repo.create(path: svg, distance: distance, duration: duration, published_at: Time.now)
         end
       end
     end
diff --git a/app/templates/workouts/index.html.slim b/app/templates/workouts/index.html.slim
index e832b72..65035e9 100644
--- a/app/templates/workouts/index.html.slim
+++ b/app/templates/workouts/index.html.slim
@@ -4,7 +4,7 @@ div class="mb-12 prose dark:prose-invert max-w-prose mx-auto text-gray-800 dark:
 div class="max-w-prose mx-auto"
   - workouts_by_year.each do |year, workouts|
     h3= year
-    h1= "#{(workouts.map{|w| w.distance }.sum / 1000).round} km"
+    h1= "#{workouts.map{|w| w.distance }.sum.round} km — #{workouts.map{|w| w.duration / 60 / 60 }.sum.round} hours"
     div class="grid grid-cols-3 gap-4 mb-4 max-w-prose mx-auto"
       - workouts.each do |workout|
         == workout.path
diff --git a/db/migrate/20230425062935_add_duration_to_workouts.rb b/db/migrate/20230425062935_add_duration_to_workouts.rb
new file mode 100644
index 0000000..831943d
--- /dev/null
+++ b/db/migrate/20230425062935_add_duration_to_workouts.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+ROM::SQL.migration do
+  change do
+    alter_table :workouts do
+      add_column :duration, :float, null: false
+    end
+  end
+end
diff --git a/lib/adamantium/geo/gpx_parser.rb b/lib/adamantium/geo/gpx_parser.rb
index 28fe2b9..538d82a 100644
--- a/lib/adamantium/geo/gpx_parser.rb
+++ b/lib/adamantium/geo/gpx_parser.rb
@@ -2,6 +2,7 @@ require "geo_ruby"
 require "geo_ruby/gpx"
 require "gnuplot"
 require "dry/monads"
+require "gpx"
 
 module Adamantium
   module Geo
@@ -10,6 +11,7 @@ module Adamantium
 
       def call(file:)
         gpxfile = GeoRuby::Gpx4r::GpxFile.open(file.path)
+        gpx =  GPX::GPXFile.new(gpx_file: file.path)
 
         x = gpxfile.as_line_string.points.flat_map { |p| p.x }
         y = gpxfile.as_line_string.points.flat_map { |p| p.y }
@@ -42,9 +44,8 @@ module Adamantium
         end
 
         svg.gsub!('width="600" height="480"', 'width="100%" height="100%"')
-        # svg.gsub!('viewBox="0 0 600 480"', 'viewBox="0 0 100% 100%"')
 
-        Success({svg: svg, distance: gpxfile.as_line_string.spherical_distance})
+        Success({svg: svg, distance: gpx.distance(units: "kilometers"), duration: gpx.duration})
       end
     end
   end