Grade B20 sourcesHIS-00520
November Project
Trend & aesthetic · 2012 · Niche
Free Boston workouts spread through social media into 49 groups by spring 2019.
Spread Score
How it worksNumbers
- Workout groups
- 49
- By Mar 31, 2019 · Owner-reported expansion · Self-reported · November Project
- Peak date
- Nov 5 ’14
- May 2012 to Nov 5 ’14
- Platforms
- 7
- Started on Open web
- Origin
- Mixed
- Health & fitness
How it spread
Trace the originTwo friends opened their Boston workouts to strangers in spring 2012. Tweets, photos and local leaders carried the format to other cities. Brands supplied shoes, events and expansion support. November Project reported 49 groups by March 2019.
Dates use the stated precision; chart positions are date anchors.
13 more events on this chart
Join free to see themTimeline (16)
Changelogupdated Oct 16 ’26
- Added 1 number
- Added: 16 events, 20 sources · Score 34 · Fact-check passed (31 claims)
Spread the same way
New cases, every week
How the next thing spread, the week it does.