diff --git a/requirements38.txt b/requirements38.txt
new file mode 100644
index 00000000..47747bfd
--- /dev/null
+++ b/requirements38.txt
@@ -0,0 +1,298 @@
+amqp==5.0.7
+anyio==3.4.0
+apipkg==1.5
+appdirs==1.4.3
+arcgis==1.6.0
+argon2-cffi==21.3.0
+argon2-cffi-bindings==21.2.0
+arrow==1.0.2
+asgiref==3.4.1
+asn1crypto==0.24.0
+astroid==2.11.7
+async-generator==1.10
+atomicwrites==1.3.0
+attrs==21.4.0
+autopep8==1.6.0
+Babel==2.9.1
+backcall==0.1.0
+backports.zoneinfo==0.2.1
+beautifulsoup4==4.7.1
+billiard==3.6.4.0
+bleach==4.1.0
+bokeh==2.2.3
+boto==2.49.0
+boto3==1.17.45
+botocore==1.20.45
+bottle==0.12.23
+braintree==4.18.1
+cairocffi==1.0.2
+celery==5.2.1
+certifi==2019.3.9
+cffi==1.14.0
+chardet==3.0.4
+charset-normalizer==2.1.0
+click==8.0.3
+click-didyoumean==0.3.0
+click-plugins==1.1.1
+click-repl==0.2.0
+cloudpickle==1.2.2
+colorama==0.4.1
+colorclass==2.2.0
+contourpy==1.0.6
+cookies==2.2.1
+coreapi==2.3.3
+coreschema==0.0.4
+coverage==5.5
+cramjam==2.5.0
+cryptography==3.4.7
+cycler==0.10.0
+Cython==0.29.21
+dask==2021.12.0
+decorator==4.4.0
+defusedxml==0.5.0
+Deprecated==1.2.13
+dill==0.3.5.1
+Django==3.2.12
+django-analytical==2.5.0
+django-async-messages==0.3.1
+django-braces==1.13.0
+django-classy-tags==0.8.0
+django-cookie-law==2.0.1
+django-cors-headers==3.10.1
+django-countries==7.2.1
+django-crispy-forms==1.14.0
+django-datetime-widget2==0.9.5
+django-debug-toolbar==2.0
+django-extensions==2.1.6
+django-filter==22.1
+django-htmlmin==0.11.0
+django-leaflet==0.28.2
+django-oauth-toolkit==1.2.0
+django-oauth2-provider==0.2.6.1
+django-picklefield==2.1.1
+django-redis==4.10.0
+django-rest-framework==0.1.0
+django-rest-swagger==2.2.0
+django-rq==2.5.1
+django-rq-dashboard==0.3.3
+django-ses==2.0.0
+django-shell-plus==1.1.7
+django-social-share==1.3.2
+django-taggit==1.3.0
+django-tz-detect==0.2.9
+djangorestframework==3.13.0
+docopt==0.6.2
+docutils==0.14
+dparse==0.5.1
+entrypoints==0.3
+execnet==1.5.0
+factory-boy==2.11.1
+Faker==1.0.4
+fastjsonschema==2.16.1
+fastparquet==0.8.3
+fitparse==1.2.0
+flake8==4.0.1
+Flask==1.0.2
+fonttools==4.28.2
+fsspec==2021.11.1
+future==0.17.1
+geocoder==1.38.1
+geoip2==3.0.0
+geos==0.2.1
+grpcio==1.26.0
+grpcio-tools==1.26.0
+gunicorn==20.0.4
+h11==0.13.0
+holoviews==1.13.5
+html5lib==1.1
+htmlmin==0.1.12
+HTMLParser==0.0.2
+httplib2==0.20.2
+humanize==3.3.0
+hvplot==0.4.0
+icalendar==4.0.3
+idna==2.8
+image==1.5.27
+importlib-metadata==4.12.0
+importlib-resources==1.0.2
+ipykernel==5.1.0
+ipython==7.22.0
+ipython-genutils==0.2.0
+ipywidgets==7.4.2
+iso8601==0.1.12
+isodate==0.6.0
+isort==5.10.1
+itsdangerous==1.1.0
+itypes==1.2.0
+jedi==0.18.0
+jeepney==0.6.0
+Jinja2==3.0.3
+jmespath==0.10.0
+json5==0.8.5
+jsonschema==3.0.1
+jupyter==1.0.0
+jupyter-client==6.1.7
+jupyter-console==6.2.0
+jupyter-core==4.7.0
+jupyter-server==1.13.1
+jupyterlab==3.2.5
+jupyterlab-pygments==0.2.2
+jupyterlab-server==2.9.0
+jwcrypto==1.0
+keyring==18.0.0
+kiwisolver==1.0.1
+kombu==5.2.2
+lazy-object-proxy==1.7.1
+llvmlite==0.39.1
+locket==0.2.1
+lxml==4.7.1
+Markdown==3.0.1
+MarkupSafe==2.0.1
+matplotlib==3.5.0
+maxminddb==1.5.4
+mccabe==0.6.1
+MiniMockTest==0.5
+mistune==2.0.4
+mock==2.0.0
+more-itertools==8.12.0
+mpld3==0.3
+mysqlclient==1.4.2.post1
+nbclassic==0.3.4
+nbclient==0.6.8
+nbconvert==7.0.0
+nbformat==5.5.0
+nest-asyncio==1.5.4
+newrelic==8.1.0.180
+nose==1.3.7
+nose-parameterized==0.6.0
+notebook==6.4.6
+numba==0.56.2
+oauth2==1.9.0.post1
+oauth2-provider==0.0
+oauthlib==3.0.1
+openapi-codec==1.3.2
+outcome==1.2.0
+packaging==21.3
+pandas==1.2.4
+pandocfilters==1.4.2
+panel==0.10.1
+param==1.10.0
+parameterized==0.8.1
+parso==0.8.2
+partd==1.2.0
+pathspec==0.5.9
+pbr==5.1.3
+pendulum==2.1.2
+pexpect==4.6.0
+pickleshare==0.7.5
+Pillow==8.4.0
+pip-upgrader==1.4.6
+platformdirs==2.5.2
+pluggy==0.9.0
+ply==3.11
+prometheus-client==0.6.0
+prompt-toolkit==2.0.9
+protobuf==3.19.4
+psycopg2==2.8.1
+ptyprocess==0.6.0
+py==1.11.0
+pyarrow==2.0.0
+pycairo==1.19.0
+pycodestyle==2.8.0
+pycparser==2.19
+pyct==0.4.8
+pyflakes==2.4.0
+Pygments==2.13.0
+PyJWT==2.1.0
+pylint==2.14.4
+pyOpenSSL==20.0.1
+pyparsing==3.0.6
+pyrsistent==0.14.11
+pyshp==2.1.0
+PySocks==1.7.1
+pytest==4.3.1
+pytest-django==3.4.8
+pytest-forked==1.0.2
+pytest-runner==4.4
+pytest-sugar==0.9.2
+pytest-xdist==1.27.0
+python-dateutil==2.8.0
+python-memcached==1.59
+python-twitter==3.5
+pytz==2020.1
+pytzdata==2020.1
+pyviz-comms==0.7.6
+pywin32-ctypes==0.2.0
+PyYAML==6.0
+pyzmq==18.0.1
+qtconsole==4.4.3
+ratelim==0.1.6
+rauth==0.7.3
+redis==3.5.3
+requests==2.28.1
+requests-oauthlib==1.2.0
+rowingdata==3.5.29
+rowingphysics==0.5.0
+rq==1.10.1
+ruamel.yaml==0.17.21
+ruamel.yaml.clib==0.2.6
+rules==3.3
+ruptures==1.1.3
+s3transfer==0.3.4
+safety==1.10.3
+scipy==1.5.4
+SecretStorage==3.3.1
+selenium==4.3.0
+Send2Trash==1.8.0
+setuptools-scm==6.3.2
+shell==1.0.1
+shortuuid==0.5.0
+simplejson==3.17.2
+six==1.12.0
+sniffio==1.2.0
+sortedcontainers==2.4.0
+soupsieve==1.8
+SQLAlchemy==1.3.1
+sqlparse==0.3.0
+stravalib==0.10.4
+TatSu==5.6.1
+tblib==1.7.0
+termcolor==1.1.0
+terminado==0.12.1
+terminaltables==3.1.0
+testpath==0.4.2
+text-unidecode==1.2
+thrift==0.15.0
+thriftpy2==0.4.14
+timezonefinder==5.2.0
+tinycss2==1.1.1
+tk==0.1.0
+toml==0.10.2
+tomli==1.2.2
+tomlkit==0.11.1
+toolz==0.10.0
+tornado==6.1
+tqdm==4.31.1
+traitlets==5.4.0
+trio==0.21.0
+trio-websocket==0.9.2
+trueskill==0.4.5
+typing_extensions==4.0.1
+units==0.7
+uritemplate==3.0.0
+urllib3==1.26.10
+VerbalExpressions==0.0.2
+vine==5.0.0
+wcwidth==0.1.7
+webencodings==0.5.1
+websocket-client==1.2.3
+Werkzeug==0.15.1
+widgetsnbextension==3.4.2
+wrapt==1.13.3
+wsproto==1.1.0
+xlrd==1.2.0
+xmltodict==0.12.0
+xyzservices==2022.9.0
+yamjam==0.1.7
+yamllint==1.15.0
+zipp==3.8.1
diff --git a/rowers/tests/testdata/testdata.tcx.gz b/rowers/tests/testdata/testdata.tcx.gz
index 4d0a992c..e69de29b 100644
Binary files a/rowers/tests/testdata/testdata.tcx.gz and b/rowers/tests/testdata/testdata.tcx.gz differ