Runestone Partners with Raidiant for "Calling All Heroes" Overwatch Series

Esports data infrastructure provider Runestone is entering the Overwatch® Esports ecosystem for the first time through a partnership with Raidiant. Under the agreement, Runestone will serve as an Official Partner of Raidiant and Official Associate Partner for the upcoming "Calling All Heroes" (CAH) tournaments scheduled for August and September 2026. This collaboration marks Runestone's initial entry into the Overwatch competitive scene as part of its mission to build data technology for esports communities.

Runestone provides data and engagement infrastructure designed to enhance live esports into interactive, data-driven experiences. The company's technology aims to improve broadcasts, deepen fan engagement, and provide operational insights. Runestone also monitors matches for suspicious activity to ensure fair play and bolster trust within the esports ecosystem.

"Calling All Heroes," launched in 2022, is a gender-inclusive initiative focused on empowering underrepresented communities within Overwatch. The series, officially supported by Blizzard and Raidiant, is broadcasted on official Overwatch Esports and Raidiant channels. The 2025 edition of the series peaked at 62,000 concurrent viewers.

The 2026 circuit will feature a three-phase format, culminating in the "Calling All Heroes Raidiant Series 2026 Championship" with a prize pool of $40,000. The competition begins in July, with live coverage available across official broadcast channels.