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Ably × Sprintcrowd

Ably x Sprintcrowd, powering the world's first live running app

Up to 1,000,000 concurrent connections across 50,000 simultaneous running events

Impossible product to live at scale

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Why it works

The story earns New Capability because the entire product premise was impossible without real-time infrastructure, not merely slower or costlier. The CEO quote does useful work by framing Ably as existential rather than incremental. The $375k self-build savings figure adds a secondary Efficiency angle but the framing clearly leads with net-new capability.

Steal this

Frame the vendor as the load-bearing pillar of the product, not a feature add-on. The line 'Without Ably, there'd be no Sprintcrowd' collapses the vendor contribution into a single, memorable dependency claim that readers remember.

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This is editorial commentary and curation. The case study, screenshot, and all metrics are Ably's published work; we link to the source and lead with our analysis.

  • Vendor Ably
  • Customer Sprintcrowd
  • Industry Other
  • Trigger Building a net-new live running app that required real-time infrastructure from day one
  • Format Written narrative
  • Structure Challenge-Solution-Results
  • Medium Web page