First Call 5K, 10K, & 1/2 Marathon
First Call 5K, 10K, & 1/2 Marathon is a running and rucking race on March 21, 2027 in Waukesha, WI, with entry fees from $32.50 to $55.
- Date
- March 21, 2027 (205 days to go)
- Location
- 810 W College Ave, Waukesha, WI
- Price
- $32.50–$55
- Sports
- RunningRucking
From the Organizer
🌷 First Call 5K, 10K & Half Marathon 🌷
Winter had its turn. Now it's yours.
The snow is melting, the days are getting longer, and your running shoes have been waiting patiently by the door. It's time to answer The First Call and kick off your 2027 race season in style!
Whether you're chasing a new PR, tackling your first race of the year, or simply excited to get back outside, this is where your season begins. Shake off the winter miles, stretch those legs, and discover just how fast spring can feel.
This year's race takes place on the lightning-fast Glacial Drumlin and Fox River Trails. It's smooth, scenic, and so fast... it's practically cheating. If you've been waiting for the perfect course to test your winter training, you've found it.
As the grand finale of the Chilly Willy Winter Run Series, The First Call is your victory lap for a winter well spent. While everyone else was waiting for spring, you were out there building strength, grit, and determination. Now it's time to see what all those cold-weather miles can do.
A new season. Fresh goals. Fast miles.
Answer the First Call and make your first finish line your best one yet.
Events
Weather
Typical Conditions
It's too far out for a forecast, so here's what weather on this date is normally like in the area. A race day forecast will replace this as race week approaches.
Typical High
45°
Typical Low
26°
Chance of Rain
27%
Based on US Climate Normals data from Waukesha Wwtp, 1 mi from the venue.
Host City
About Waukesha, WI
Population
70,779
as of 2023
City Elevation
797 ft
Nearest Airport
MKE
General Mitchell International Airport · 18 mi
Time Zone
Central Time
From Endurance Grid
A mid-size host city. Enough lodging and amenities to keep race weekend easy, without big-city sprawl.
Race Location
Your Next Start Line
What Are You
Waiting For?
Every finish line starts with a single decision. Claim your spot at First Call 5K, 10K, & 1/2 Marathon, put it on the calendar, and turn “someday” into a start date.
205
Days to train
- Race
- First Call 5K, 10K, & 1/2 Marathon
- Date
- March 21, 2027
- Location
- 810 W College Ave, Waukesha, WI
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From Endurance Grid
About These Sports
This race spans more than one sport — here’s a guide to each, so you can understand what’s involved and decide if it’s the right fit. For course distances, logistics, and race-day specifics, always defer to the race organizer’s event page.
Running
From 5K to marathon, running races are an accessible entry point into endurance sport. There's a distance for every fitness level and a community at every start line.
Rucking
Covering a distance on foot under a weighted rucksack — from timed solo challenges to longer team events.
Coming Up
More Running races near Waukesha, WI
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Procrastination Run
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4 miles away
Tombstone Trot
1K · 2 Mile / 3K · 5K · From $32.50 · Prairie Home Cemetery
1 mile away
Frequently Asked Questions
What is the First Call 5K, 10K, & 1/2 Marathon?
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First Call 5K, 10K, & 1/2 Marathon
Mar 21, 2027