diff --git a/backend/alembic/versions/019_add_marathon_cover.py b/backend/alembic/versions/019_add_marathon_cover.py
index 9189c17..5eff677 100644
--- a/backend/alembic/versions/019_add_marathon_cover.py
+++ b/backend/alembic/versions/019_add_marathon_cover.py
@@ -1,4 +1,4 @@
-"""Add marathon cover_url field
+"""Add marathon cover fields (cover_path and cover_url)
 
 Revision ID: 019_add_marathon_cover
 Revises: 018_seed_static_content
@@ -27,10 +27,17 @@ def column_exists(table_name: str, column_name: str) -> bool:
 
 
 def upgrade() -> None:
+    # cover_path - путь к файлу в S3 хранилище
     if not column_exists('marathons', 'cover_path'):
         op.add_column('marathons', sa.Column('cover_path', sa.String(500), nullable=True))
 
+    # cover_url - API URL для доступа к обложке
+    if not column_exists('marathons', 'cover_url'):
+        op.add_column('marathons', sa.Column('cover_url', sa.String(500), nullable=True))
+
 
 def downgrade() -> None:
+    if column_exists('marathons', 'cover_url'):
+        op.drop_column('marathons', 'cover_url')
     if column_exists('marathons', 'cover_path'):
         op.drop_column('marathons', 'cover_path')