Shake Your Shamrocks 2027
- Date
- Saturday, March 13, 2027
- Start time
- 8:45 AM start (Chicago)
- Location
- Oconomowoc, Wisconsin
- Entry fee
- From Free · goes up to $35 on Jan 6, 2027
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| 1K Kiddo's Race | Other | Mar 13, 20278:45 AM | Free | – |
| 10K | 10K | Mar 13, 20279:00 AM | $32.50$35 after Jan 6, 2027 | – |
| 2 Mile Walk | Other | Mar 13, 20279:00 AM | $32.50$35 after Jan 6, 2027 | – |
| 5K | 5K | Mar 13, 20279:00 AM | $32.50$35 after Jan 6, 2027 | – |
| 5K Ruck | 5K | Mar 13, 20279:00 AM | $32.50$35 after Jan 6, 2027 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The 10K fee goes up to $35 on Jan 6, 2027.
Race day planning
Entry fee schedule
- 1K Kiddo's Race: Free until Mar 13.
- 10K and 2 Mile Walk and 5K and 5K Ruck: $32.50 until Jan 6, then $35 until Feb 13, then $37.50 until Feb 27, then $40 until Mar 12, then $45 until Mar 13.
Online registration closes Mar 13, 2027, unless the race fills first.
How the price compares
At $32.50, entry is about 12 percent below a typical 10K in Wisconsin, which costs $37 right now.
What a typical finish looks like
A typical finisher at a 10K in Oconomowoc runs 58:02, about 9:20 a mile, based on 7 races with published results. Women typically finish in 1:00:42 and men in 53:48.
Light and altitude
Sunrise on race morning is at about 6:11 AM, and the 1K Kiddo's Race starts at 8:45 AM. The start sits about 890 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Lucky Chucky's Beach Bar & Grill, Oconomowoc, WI 53066
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2026 results
All results (5 years)5K
10K
2 Mile Walk
Aggregated from official results (Silver Circle Sports Events, LLC) for Shake Your Shamrocks. Individual finisher names are not stored here.
How fast do you need to be at Shake Your Shamrocks?
At the 2026 5K, the fastest tenth finished in 22:46 or better, the top quarter in 26:25, and half the field in 30:35; the last tenth came in after 44:27.
At the 2026 10K, the fastest tenth finished in 45:41 or better, the top quarter in 50:03, and half the field in 59:19; the last tenth came in after 1:11:24.
At the 2026 2 Mile Walk, the fastest tenth finished in 23:32 or better, the top quarter in 24:08, and half the field in 27:55; the last tenth came in after 33:30.
| Age | Women | Men |
|---|---|---|
| Under 20 | 27:03 | 20:15 |
| 20-29 | 28:20 | 27:59 |
| 30-39 | 22:46 | 20:12 |
| 40-49 | 25:55 | 23:20 |
| 50-59 | 32:19 | 23:45 |
| 60-69 | 45:06 | 28:35 |
Groups with fewer than five finishers are left out. Awards vary by race; check the race's rules.
What would my time get me?
Where a finish time would have placed in 2026.
Finishers by year
About the same size since 2022.
All events combined, from official results.
Shake Your Shamrocks 5K year by year
From 2022 to 2026, the field went from 196 to 182 finishers, and the median time dropped from 31:38 to 30:35.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 182 (-8%) | 30:35 | under 22:46 | 16:19 |
| 2025 | 198 (-14%) | 32:17 | under 24:30 | 17:35 |
| 2024 | 229 (+4%) | 32:22 | under 25:01 | 17:15 |
| 2023 | 220 (+12%) | 31:59 | under 24:36 | 16:54 |
| 2022 | 196 | 31:38 | under 24:07 | 18:43 |
From each year's official results for the 5K; virtual options are left out.
How fast is it?
Faster than most Wisconsin 5Ks
The fastest quarter of the 2026 5K field finished under 26:25, against 28:16 in a typical Wisconsin 5K, so times here run 7 percent faster.
- 10K: Faster than most Wisconsin 10Ks. The fastest quarter of the 2026 10K field finished under 50:03, against 53:12 in a typical Wisconsin 10K, so times here run 6 percent faster.
Compares the fastest quarter of each field, so walkers and first-timers do not skew it. It reflects the course and the field together: a flat course, cool weather, or a competitive crowd all make times faster.
Typical race-day weather
Around March 13 the day usually runs from 29°F at dawn to 44°F in the afternoon, with measurable rain on about 27% of days. Cold snaps dip to 14°F and hot years reach 62°F.
Based on 75 days within a week of the date over the last 5 years, from historical weather for the start area. Not a forecast.
Race details
- Where
- Lucky Chucky's Beach Bar & Grill, Oconomowoc, WI 53066Map
- Course
- Road
- Start elevation
- About 890 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 5K, 10K, Other
- Editions
- 2027 (Mar 13, 2027), 2026 (Mar 14, 2026), 2025 (Mar 15, 2025), 2024 (Mar 16, 2024), 2023 (Mar 18, 2023), 2022 (Mar 12, 2022)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Shake Your Shamrocks?
- Saturday, March 13, 2027, starting at 8:45 AM.
- How much does it cost?
- Entry starts at Free before processing fees, and rises to $35 on Jan 6, 2027.
- When does registration close?
- Online registration closes Mar 13, 2027, unless the race fills first.
- Is the entry fee high for Wisconsin?
- At $32.50, entry is about 12 percent below a typical 10K in Wisconsin, which costs $37 right now.
- Do runners get a shirt or medal?
- Entry includes a shirt, according to the race's registration page. Check it for sizes and whether kids' races get the same.
- Can I donate to a cause when I register?
- Yes. The registration form offers an optional donation, usually for the charity or nonprofit the race supports. The race's own page names the cause.
- What distances can I run?
- 5K, 10K, Other.
- How big is it, and how fast?
- In 2026, 182 runners finished the 5K; the median finish was 30:35 and the winner ran 16:19.
- Is it a fast course?
- The fastest quarter of the 2026 5K field finished under 26:25, against 28:16 in a typical Wisconsin 5K, so times here run 7 percent faster.
- Where does it start?
- Lucky Chucky's Beach Bar & Grill, Oconomowoc, WI 53066.
From the organizers
☘️ Shake Your Shamrocks 5K, 10K & 2-Mile Walk ☘️
We're back at Lucky Chucky's... and the luck of the Irish is calling!
Everyone's a little Irish on St. Patrick's Day. Some celebrate with green beer. Others celebrate with corned beef and cabbage. We prefer to celebrate by lacing up our running shoes and chasing finish lines.
Whether you're racing the 5K, taking on the 10K, or enjoying the family-friendly 2-Mile Walk, Shake Your Shamrocks is your chance to shake off winter and welcome spring one stride at a time.