Routing Error - Latency Rerouted through Denver/LA Hubs (Minneapolis Region)

I am a new Fiber subscriber in Minneapolis experiencing a significant routing error. Previously, my latency to Chicago-based servers (specifically Riot Games / 104.160.131.3) was 14ms. It has recently jumped to 53ms+ and stays consistently high.

Technical Findings: I have performed a tracert which shows that my traffic is being inefficiently routed. Instead of a direct path to Chicago, my data is being sent to:

1. Denver, CO (be-39831-cs03.1601milehigh.co.ibone.comcast.net)

2. Los Angeles, CA (ae14.er02.lax01.riotdirect.net)

This adds a ~3,000-mile round trip to my connection. My local hardware (Hop 1) is stable at 2ms, indicating the issue is entirely within the Comcast/Xfinity iBone routing table for my local node. 

Could a network engineer explain what is going on? And how are they going to fix this.