Uses the Everytrail API to back up trip info as a .csv file and all the .gpx files. Files will populate into whatever directory the script is in, so I recommend you first make an "everytrail_backup" folder, move the script there, then run.

everytrail_backup.py

#! /usr/bin/env python3
"""everytrail_backup.py
Uses the Everytrail API to back up trip info as a .csv file and all the
.gpx files. Files will populate into whatever directory the script is in,
so I recommend you first make an "everytrail_backup" folder, move the script
there, then run."""

import csv
import requests
import urllib.parse
import xml.etree.ElementTree

# Your Everytrail login info -- required to work with private trips.
USERNAME = ''
PASSWORD = ''

# http://www.everytrail.com/developer/requestkey
key = ''
secret = ''

# Get this by viewing your profile and looking at the URL.
USER_ID = ''

api_base_url = 'http://www.everytrail.com/api/'
my_trips_url = urllib.parse.urljoin(api_base_url, 'user/trips')

payload = {
    'user_id': USER_ID,
    'username': USERNAME,
    'password': PASSWORD,
    'version': 3,
    'limit': 1000
    }

response = requests.get(my_trips_url, auth=(key, secret), params=payload)

root = xml.etree.ElementTree.fromstring(response.content)

with open('everytrail.csv', 'w') as csv_file:
    writer = csv.writer(csv_file)
    for trip in root[0].findall('trip'):

        name = trip.find('name').text
        date = trip.find('date').text
        activity = trip.find('activity').text
        length = trip.find('length').text
        gpx_url = trip.find('gpx').text

        writer.writerow([name, date, activity, length, gpx_url])

        trip_id = trip.get('id')
        gpx_data = requests.get(gpx_url).content

        with open(trip_id + '.gpx', 'wb') as gpxfile:
            gpxfile.write(gpx_data)