Some races ask you to survive them. This one is built for a good day.
On Saturday, October 24, 2026, the Purdue Boilermaker Half-Marathon & 5K takes over West Lafayette, Indiana for its 15th annual running — a flat, USATF-certified loop that rolls through Purdue University's campus and parts of the surrounding city, with a start and finish right outside Ross-Ade Stadium. It scores 96 out of 100 on our quality scale, which puts it firmly in Runner Favorite territory, and it's the kind of race that rewards you for planning ahead. Race day is set. The starting line is waiting. The smart move is to put it on your calendar now, while there's still room to train for it properly.
Here's what you're signing up for.
The Course: Flat, Certified, and On Your Side
The Purdue Boilermaker half marathon is a road race on a loop course, and the difficulty is best described in one word: flat. That combination — flat and certified — is a quietly powerful thing. A certified course means the distance has been measured and verified, so the 13.1 you run is a real 13.1. A flat course means the hills aren't going to decide your day for you. You get to decide.
The half marathon travels through the Purdue University campus and into parts of West Lafayette, so the scenery changes enough to keep your mind occupied without ever asking your legs for a climb. Because it's a loop rather than a point-to-point, you'll recognize landmarks on the way back that you passed on the way out — a small psychological gift that makes the back half feel familiar instead of endless.
The 5K sticks to campus, which makes it an easy companion race if you're bringing family, a friend who's half-curious about racing, or a kid who wants a finish line of their own without committing to 13.1 miles.
If you're the type who reads course maps before bed, this one will not stress you out.
The Experience: Boiler Up, Five Thousand Strong
There's a particular energy to a race that happens on a college campus in the fall. The trees are turning, the football stadium is right there, and the whole place feels like it's already awake.
The Purdue Boilermaker Half-Marathon & 5K draws a crowd of more than 5,000 competitors, which is big enough to feel like a real race day and small enough that you're not lost in a sea of strangers. Ross-Ade Stadium — home of Purdue football — anchors the start and finish area, so the day comes with a built-in sense of occasion. Purdue students and alumni tend to show up in force, which means plenty of school colors, plenty of noise, and probably at least one person yelling something you don't fully understand but fully appreciate.
The race is presented by the Franciscan OrthoIndy Surgery Center, which is the sort of detail that matters more than it sounds like: a well-supported race morning usually means clear signage, organized staging, and volunteers who know where things are. That's the unglamorous stuff that turns a stressful morning into a smooth one.
And yes, the campus setting means good photo backdrops. Serious race intel, unserious finish-line photos. That's the deal.
Who It's a Fit For
If this is your first half marathon
A flat, certified loop on a university campus is close to an ideal debut. There are no hills to strategize around, no surprises in the distance measurement, and no shortage of other runners around you to settle into a rhythm with. The 5K on campus also gives you an option: you can race the shorter distance this year and come back for the half when you're ready — or bring someone along who wants to share the morning without sharing the mileage.
If you've been circling the idea of a first 13.1 and waiting for a reason, the reason is October 24, 2026.
If you're chasing a personal best
Flat road, loop course, USATF certified, and a race-day high that typically lands around 64°F with a low near 47°F. That's close to ideal running weather — cool enough to work hard, warm enough that you don't spend the first three miles thawing out. Runners hunting a fast time tend to look for exactly this combination, and a course with no elevation drama means your pace is your pace, not the terrain's.
If you're working through the 50 states
Indiana is a box a lot of runners still need to check, and this is a fun way to check it. You get a college-town weekend, a big race-day atmosphere, and a flat course that won't wreck you for whatever's next on your list. The 50-state journey is a long game — races like this are how you keep it enjoyable instead of exhausting.
One practical note that helps a specific group: Purdue students and active or retired military members get $5.00 off their entry.
Logistics and Weather: What to Plan For
Race day is Saturday, October 24, 2026, in West Lafayette, Indiana. October in this part of the Midwest is genuinely pleasant running weather, with a typical race-day high of 64°F and a low of 47°F. Expect a cool start and a comfortable finish — layers you can shed at the start line, and something warm to pull on afterward.
Because the half marathon and the 5K run on the same morning in the same campus footprint, this is a race worth registering for early if you want your pick of plans, travel arrangements, and accommodation in a college town on a fall weekend. Building a 13.1 into your calendar months ahead of time is also how training actually happens — a date on the calendar beats a vague intention every single time.
Ready to Make It Official?
The Purdue Boilermaker Half-Marathon & 5K gives you a flat, certified course, a campus full of people, and a fall Saturday with weather that runs in your favor. Whether this is your first half or one of many, it's a race that fits the runner you're becoming.
Get the full race details, course info, and registration here: Purdue Boilermaker Half-Marathon & 5K.
See you in West Lafayette.