Background: Had the problem that I accidentally restarted my phone before saving my track I had recorded with RunKeeper. Shit. So I started to get as much data out of my phone as possible. And this is my story.

extractor.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-

#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#                    Version 2, December 2004
#
# Copyright (C) 2013 Fredrik Strandin
#
# Everyone is permitted to copy and distribute verbatim or modified
# copies of this license document, and changing it is allowed as long
# as the name is changed.
#
#            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
#   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
#
#  0. You just DO WHAT THE FUCK YOU WANT TO.

# Background: Had the problem that I accidentally restarted my phone
# before saving my track I had recorded with RunKeeper. Shit. So I
# started to get as much data out of my phone as possible. And this is
# my story.
#
# $ adb backup -f /tmp/data.ab -noapk com.fitnesskeeper.runkeeper.pro
# $ cd /tmp
# $ dd if=data.ab bs=1 skip=24 | openssl zlib -d | tar -xvf -
# $ cd apps/com.fitnesskeeper.runkeeper.pro/db
# $ /path/to/extractor.py
# $$$ EPIC WIN $$$

import gpxpy
import gpxpy.gpx
import pytz
import sqlite3
from dateutil import tz
from datetime import datetime

LATITUDE      = 4
LONGITUDE     = 5
UNIXTIMESTAMP = 7

conn = sqlite3.connect('RunKeeper.sqlite')
c = conn.cursor()
data = c.execute('SELECT * FROM points WHERE trip_id = 3')
rows = data.fetchall()

gpx = gpxpy.gpx.GPX()
gpx_track = gpxpy.gpx.GPXTrack()
gpx.tracks.append(gpx_track)

gpx_seg = gpxpy.gpx.GPXTrackSegment()
gpx_track.segments.append(gpx_seg)

for row in rows:
    gpx_seg.points.append(gpxpy.gpx.GPXTrackPoint(
        row[LATITUDE],
        row[LONGITUDE],
        time = datetime
            .fromtimestamp(row[UNIXTIMESTAMP]//1000, tz.tzlocal())
            .replace(microsecond=row[UNIXTIMESTAMP]%1000*1000)
            .astimezone(pytz.utc)
        )
    )

gpx_file = open('my_track.gpx', 'w')
gpx_file.write(gpx.to_xml())

gpx_file.close()
conn.close()