# How Syncing Works

**URL:** https://community.citystrides.com/t/how-syncing-works/19443
**Category:** Wiki
**Created:** [March 24, 2020, 3:44pm UTC](https://community.citystrides.com/t/how-syncing-works/19443 "2020-03-24T15:44:11Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![JamesChevalier](https://community.citystrides.com/user_avatar/community.citystrides.com/jameschevalier/32/2_2.png) [@JamesChevalier](https://community.citystrides.com/u/JamesChevalier)
#### Post date: [March 24, 2020, 3:44pm UTC](https://community.citystrides.com/t/how-syncing-works/19443/1 "2020-03-24T15:44:11Z")

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## General Notes

- your full history will be synchronized into CityStrides, there is no limit to the number of activities that will sync … except for limits imposed by tracking services like Garmin, Coros, and Polar
  - [Where are my older Garmin activities?](https://community.citystrides.com/t/where-are-my-older-garmin-activities/23687)

- running, walking, and hiking activity types are allowed in
- activities where the overall speed is greater than 15 miles per hour or the total distance is greater than 200 miles are not synced in
- there are usage limits in each service that may cause sync delays
- the [Status Page](https://citystrides.com/status) shows some detail on delays
- an activity must first be synchronized into CityStrides, and _then_ it can be processed for completed/progressed streets
- post-sync activity processing has its own queues (which can be delayed; see [Status Page Wiki](https://community.citystrides.com/t/about-the-status-page/19340))
- most services provide webhooks, so CityStrides is alerted of each activity after it is saved there
- Runkeeper does not have webhooks, so each account is synced once per day (Supporters get can request a sync at any time)
- Garmin syncing works by requesting 30 days of data every 30 minutes, so this can take a while to bring in your full history

## Activity Processing Prioritization

This is how the system weights the different queues. It works through a queue in its entirety before moving onto the next queue. This is all specifically for street progress/completion.

- Subscribers
- New users
- Regular users