Wednesday, September 30, 2026 · New Jersey

MileHiCon

Colorado's oldest and largest science fiction and fantasy literary convention, with 100+ authors, artists and speakers, an art show, model show and a charity literacy auction.

Con Atlas · Colorado

Sci-fi and fantasy · Aurora, CO

MileHiCon is a sci-fi and fantasy convention in Aurora, Colorado, with verified dates from October 23 through October 25, 2026.

Confirmed

When: Oct 23–25, 2026
Late October weekend
Programming from ~2pm Friday through Sunday afternoon; vendors Fri 4-9pm, Sat 10am-7pm, Sun 10am-4pm
Where: Hyatt Regency Aurora-Denver Conference Center
13200 E. 14th Place
Aurora, CO 80011 · Arapahoe County
Directions
Badges: $35-$70 (per FestivalNet)
Organized by: MileHiCon, Inc.
Fan-run

Official site Directions Add to calendar

What to expect

100+ authors, artists and speakers
Art Show with Sunday auction
Literacy Auction
Model Show
literary
art show
model show
literacy auction

2026 Confirmed

October 23-25, 2026 (MileHiCon 58)

Oct 23–25, 2026

Checked Mon, Sept 28, 2026 against the official source.

Guests

John Scalzi (Author GoH)
Andy VanOverberghe (Artist GoH)
T. Kingfisher
Stace Johnson (Toastmaster)

Plan your visit

Attendance: About 1,500 (per FestivalNet)

Nearby

Sources

Official site official
milehicon.org official
milehicon.org official

Details checked against the con’s own pages on Mon, Sept 28, 2026.