Task: Create, update, and get activity in Strava

n8n workflow JSON:
{"id":"93","name":"Create, update, and get activity in Strava","nodes":[{"name":"On clicking 'execute'","type":"n8n-nodes-base.manualTrigger","position":[270,340],"parameters":{},"typeVersion":1},{"name":"Strava","type":"n8n-nodes-base.strava","position":[470,340],"parameters":{"name":"Morning Run","type":"Run","startDate":"2020-10-01T18:30:00.000Z","elapsedTime":3600,"additionalFields":{"distance":1000}},"credentials":{"stravaOAuth2Api":"strava"},"typeVersion":1},{"name":"Strava1","type":"n8n-nodes-base.strava","position":[670,340],"parameters":{"operation":"update","activityId":"={{$node[\"Strava\"].json[\"id\"]}}","updateFields":{"description":"Morning run in the park"}},"credentials":{"stravaOAuth2Api":"strava"},"typeVersion":1},{"name":"Strava2","type":"n8n-nodes-base.strava","position":[870,340],"parameters":{"operation":"get","activityId":"={{$node[\"Strava\"].json[\"id\"]}}"},"credentials":{"stravaOAuth2Api":"strava"},"typeVersion":1}],"active":false,"settings":{},"connections":{"Strava":{"main":[[{"node":"Strava1","type":"main","index":0}]]},"Strava1":{"main":[[{"node":"Strava2","type":"main","index":0}]]},"On clicking 'execute'":{"main":[[{"node":"Strava","type":"main","index":0}]]}}}