Medium Rare partnered with B.J. Novak to create ChainFEST, the world's first and largest gourmet chain food festival, bringing America's favorite restaurant brands to life through one-of-a-kind culinary collaborations. The sold-out inaugural event welcomed 5,000 fans to Los Angeles and New York City, where Michelin-starred chefs reimagined iconic chain restaurant favorites through exclusive gourmet pop-ups, immersive brand activations, and live entertainment.

Building on the success of ChainFEST, Medium Rare and Chain expanded the brand in 2025 with the launch of Chain Holiday House, a festive seasonal experience celebrating America's favorite chain restaurants through exclusive culinary collaborations and immersive holiday experiences.