diff --git a/db/migrate/20240313132008_create_projection_assessment_runs.rb b/db/migrate/20240313132008_create_projection_assessment_runs.rb
new file mode 100644
index 000000000..85b2f5502
--- /dev/null
+++ b/db/migrate/20240313132008_create_projection_assessment_runs.rb
@@ -0,0 +1,21 @@
+class CreateProjectionAssessmentRuns < ActiveRecord::Migration[7.0]
+  def change
+    create_table :projection_assessment_runs do |t|
+      t.references :event, null: false, foreign_key: true
+      t.integer :completed_lap, null: false
+      t.integer :completed_split_id, null: false
+      t.integer :completed_bitkey, null: false
+      t.integer :projected_lap, null: false
+      t.integer :projected_split_id, null: false
+      t.integer :projected_bitkey, null: false
+      t.integer :status
+      t.string :error_message
+      t.integer :success_count
+      t.integer :failure_count
+      t.datetime :started_at
+      t.integer :elapsed_time
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/migrate/20240313132913_create_projection_assessments.rb b/db/migrate/20240313132913_create_projection_assessments.rb
new file mode 100644
index 000000000..3d22b8ce1
--- /dev/null
+++ b/db/migrate/20240313132913_create_projection_assessments.rb
@@ -0,0 +1,14 @@
+class CreateProjectionAssessments < ActiveRecord::Migration[7.0]
+  def change
+    create_table :projection_assessments do |t|
+      t.references :projection_assessment_run, null: false, foreign_key: true
+      t.references :effort, null: false, foreign_key: true
+      t.datetime :projected_early
+      t.datetime :projected_best
+      t.datetime :projected_late
+      t.datetime :actual
+
+      t.timestamps
+    end
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index cf5056e0b..3086a64a8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_09_20_165528) do
+ActiveRecord::Schema[7.0].define(version: 2024_03_13_132913) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "fuzzystrmatch"
   enable_extension "pg_trgm"
@@ -448,6 +448,38 @@
     t.index ["user_id"], name: "index_people_on_user_id"
   end
 
+  create_table "projection_assessment_runs", force: :cascade do |t|
+    t.bigint "event_id", null: false
+    t.integer "completed_lap", null: false
+    t.integer "completed_split_id", null: false
+    t.integer "completed_bitkey", null: false
+    t.integer "projected_lap", null: false
+    t.integer "projected_split_id", null: false
+    t.integer "projected_bitkey", null: false
+    t.integer "status"
+    t.string "error_message"
+    t.integer "success_count"
+    t.integer "failure_count"
+    t.datetime "started_at"
+    t.integer "elapsed_time"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["event_id"], name: "index_projection_assessment_runs_on_event_id"
+  end
+
+  create_table "projection_assessments", force: :cascade do |t|
+    t.bigint "projection_assessment_run_id", null: false
+    t.bigint "effort_id", null: false
+    t.datetime "projected_early"
+    t.datetime "projected_best"
+    t.datetime "projected_late"
+    t.datetime "actual"
+    t.datetime "created_at", null: false
+    t.datetime "updated_at", null: false
+    t.index ["effort_id"], name: "index_projection_assessments_on_effort_id"
+    t.index ["projection_assessment_run_id"], name: "index_projection_assessments_on_projection_assessment_run_id"
+  end
+
   create_table "raw_times", force: :cascade do |t|
     t.bigint "event_group_id", null: false
     t.bigint "split_time_id"
@@ -699,6 +731,9 @@
   add_foreign_key "lottery_tickets", "lottery_entrants"
   add_foreign_key "notifications", "efforts"
   add_foreign_key "people", "users"
+  add_foreign_key "projection_assessment_runs", "events"
+  add_foreign_key "projection_assessments", "efforts"
+  add_foreign_key "projection_assessments", "projection_assessment_runs"
   add_foreign_key "raw_times", "event_groups"
   add_foreign_key "raw_times", "split_times"
   add_foreign_key "results_categories", "organizations"
diff --git a/erd.pdf b/erd.pdf
index c803c22b2..2a23afc25 100644
Binary files a/erd.pdf and b/erd.pdf differ