diff --git a/src/strava_offline/cli.py b/src/strava_offline/cli.py
index caf922e..d494085 100644
--- a/src/strava_offline/cli.py
+++ b/src/strava_offline/cli.py
@@ -1,5 +1,5 @@
 import datetime
-from typing import TextIO
+from typing import Optional, TextIO
 
 import click
 
@@ -44,6 +44,11 @@ def cli_gpx(config: config.GpxConfig) -> None:
 
 option_output = click.option('-o', '--output', type=click.File('w'), default='-', help="Output file")
 option_year = click.argument('year', type=int, default=datetime.datetime.now().year)
+option_year_start = click.argument('start_year', type=int, default=datetime.datetime.fromtimestamp(0).year)
+option_year_end = click.argument('end_year', type=int, default=datetime.datetime.now().year)
+option_time_resolution = click.option('-r', '--resolution', type=click.Choice(['day', 'month', 'year']), default='day')
+option_output_format = click.option('-f', '--format', type=click.Choice(['plain', 'csv']), default='plain')
+option_bike = click.option('-b', '--bike', type=str, required=False)
 
 
 @cli.command(name='report-yearly')
@@ -65,6 +70,27 @@ def cli_report_yearly_bikes(config: config.DatabaseConfig, output: TextIO, year:
     with sync.database(config) as db:
         print(reports.yearly_bikes(db, year), file=output)
 
+@cli.command(name='report-bikes-cummulative-distance')
+@config.DatabaseConfig.options()
+@option_output
+@option_time_resolution
+@option_output_format
+@option_bike
+@option_year_start
+@option_year_end
+def cli_report_bikes_cummulative_distance(
+        config: config.DatabaseConfig,
+        output: TextIO,
+        resolution: str,
+        format: str,
+        bike: Optional[str],
+        start_year: int, end_year: int,
+) -> None:
+    "Show monthly report by bike"
+
+    with sync.database(config) as db:
+        print(reports.bikes_cummulative_distance(db, resolution, format, bike, start_year, end_year), file=output)
+
 
 @cli.command(name='report-bikes')
 @config.DatabaseConfig.options()
diff --git a/src/strava_offline/reports.py b/src/strava_offline/reports.py
index 72f91c2..5982a68 100644
--- a/src/strava_offline/reports.py
+++ b/src/strava_offline/reports.py
@@ -1,11 +1,31 @@
+from io import StringIO
 import sqlite3
+import csv
+from typing import Optional
 
 from tabulate import tabulate
 
 
-def tabulate_execute(db: sqlite3.Connection, sql: str, *params) -> str:
+def tabulate_execute(db: sqlite3.Connection, sql: str, *params, format='plain') -> str:
+    # db.set_trace_callback(print)
+    # sqlite3.enable_callback_tracebacks(True)
     table = (dict(row) for row in db.execute(sql, params))
-    return tabulate(table, headers='keys')
+    if format == 'csv':
+        table = list(table)
+        if len(table) == 0:
+            return ""
+
+        keys = list(table[0].keys())
+        stream = StringIO()
+        writer = csv.DictWriter(stream, keys)
+        writer.writeheader()
+        for row in table:
+            writer.writerow(row)
+
+        return stream.getvalue()
+
+    else:
+        return tabulate(table, headers='keys', tablefmt=format)
 
 
 def yearly(db: sqlite3.Connection, year: int) -> str:
@@ -34,6 +54,54 @@ def yearly_bikes(db: sqlite3.Connection, year: int) -> str:
     """, f"{year}-%")
 
 
+def bikes_cummulative_distance(db: sqlite3.Connection, resolution: str, output_format: str, bike: Optional[str], start_year: int, end_year) -> str:
+    sql_template = """
+        WITH
+        daily AS (
+            SELECT
+                b.name AS "Bike"
+                ,CASE
+                    WHEN ? == "day" THEN strftime("%Y-%m-%d", a.start_date)
+                    WHEN ? == "month" THEN strftime("%Y-%m-01", a.start_date)
+                    WHEN ? == "year" THEN strftime("%Y-01-01", a.start_date)
+                END AS "Date"
+                ,CAST(SUM(a.distance) / 1000.0 AS DOUBLE) AS "Distance (km)"
+                ,CAST(SUM(a.moving_time) / 3600.0 AS DOUBLE) AS "Moving time (hour)"
+                ,CAST(SUM(a.total_elevation_gain) AS DOUBLE) AS "Total Elevation (m)"
+            FROM activity a INNER JOIN bike b ON a.gear_id = b.id
+            GROUP BY 1, 2
+        )
+
+        ,daily_with_cumsum AS (
+            SELECT
+                *
+                ,SUM(`Distance (km)`) OVER (PARTITION BY Bike ORDER BY Date ASC) AS "Cummulative (km)"
+                ,SUM(`Moving time (hour)`) OVER (PARTITION BY Bike ORDER BY Date ASC) AS "Cummulative (hour)"
+                ,SUM(`Total Elevation (m)`) OVER (PARTITION BY Bike ORDER BY Date ASC) AS "Cummulative (elevation)"
+            FROM daily
+        )
+
+        SELECT
+            Bike
+            ,Date
+            ,printf("%.02f", `Distance (km)`) AS `Distance (km)`
+            ,printf("%.02f", `Cummulative (km)`) AS `Cummulative (km)`
+            ,printf("%.02f", `Total Elevation (m)`) AS `Total Elevation (m)`
+            ,printf("%.02f", `Cummulative (elevation)`) AS `Cummulative (elevation)`
+            ,printf("%.02f", `Moving Time (hour)`) AS `Moving Time (hour)`
+            ,printf("%.02f", `Cummulative (hour)`) AS `Cummulative (hour)`
+        FROM daily_with_cumsum
+        WHERE
+            CAST(strftime("%Y", Date) AS INT) BETWEEN  ? AND  ?
+            AND
+            Bike LIKE ?
+        ORDER BY Bike ASC, Date ASC
+    """
+
+    bike = bike or ""
+    return tabulate_execute(db, sql_template , resolution, resolution, resolution, start_year, end_year, f'{bike}%', format=output_format)
+
+
 def bikes(db: sqlite3.Connection) -> str:
     return tabulate_execute(db, """
         SELECT