What race distances can I run in Crystal Lake?
Crystal Lake has 5K (3). The 5K is usually the easiest entry point if you are new, and the links above jump straight to each distance.
Illinois · Race calendar
2026-2027 Running Races in Crystal Lake, Illinois
Upcoming running races in and near Crystal Lake, Illinois - 5Ks, 10Ks, half marathons and more, with dates, pricing, finish-time stats, start-line maps, and local run clubs to train with.
3 upcoming races
By the numbers
The Biggest and Longest-Running
The Crystal Lake races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.
Within 100 miles
Races in Nearby Cities
More race calendars close to Crystal Lake. Miles are measured center to center, so treat them as a rough guide.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Nov 12, 2026.
Common Questions About Racing in Crystal Lake
When is race season in Crystal Lake?
April is the busiest month for races in Crystal Lake, with 2 of the 3. If you are flexible on the date, that is the quickest way to narrow things down.
Where can I train for a race in Crystal Lake?
Browse Crystal Lake run clubs on RunSesh to find a training group at your pace.