[pacha2]

Yeah the-race RSS is https://the-race.com/feed/

I've pasted and attached my very simple recipe, just adding the cover_url and masthead_url

Spoiler:

#!/usr/bin/env python2
# vim:fileencoding=utf-8
from __future__ import unicode_literals, division, absolute_import, print_function
from calibre.web.feeds.news import BasicNewsRecipe

class AdvancedUserRecipe1582718311(BasicNewsRecipe):
title = 'The Race'
oldest_article = 7
max_articles_per_feed = 20
auto_cleanup = True
cover_url = 'https://pbs.twimg.com/profile_images/1214185795608702977/e8wszJ38_400x400.png'
masthead_url = 'https://cdn.the-race.com/wp-content/uploads/2020/02/02055753/the-race-logo-full-black.png'

feeds = [
('The Race', 'https://the-race.com/feed/'),
]