DoNot Stop Half Marathon/5K/10K - St. Louis 2027
- Date
- Saturday, April 17, 2027
- Start time
- 8:00 AM start (Chicago)
- Location
- Maryland Heights, Missouri
- Entry fee
- From Free · goes up to $36 on Jan 12, 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 |
|---|---|---|---|---|
| 10K | 10K | Apr 17, 20278:00 AM | $32$36 after Jan 12, 2027 | – |
| 1 Mile | 1 Mile | Apr 17, 20278:00 AM | $22 | – |
| 5K | 5K | Apr 17, 20278:00 AM | $32$36 after Jan 12, 2027 | – |
| Half Marathon | Half Marathon | Apr 17, 20278:00 AM | $50$56 after Oct 20, 2026 | – |
| Kids Dash | Kids | Apr 17, 20278:00 AM | $17 | – |
| Running Buddy Half Marathon | Half Marathon | Apr 17, 20278:00 AM | Free | – |
| Volunteer Then Run | – | Apr 17, 20278:00 AM | $17 | 5 |
| Virtual RaceVirtual | – | Apr 17, 20278:00 AM | $42 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
The 10K fee goes up to $36 on Jan 12, 2027.
Race day planning
Entry fee schedule
- 10K and 5K: $32 until Jan 12, then $36 until Feb 22, then $40 until Mar 29, then $44 until Apr 16, then $48 until Apr 17.
- 1 Mile: $22 until Apr 17.
- Half Marathon: $50 until Oct 20, then $56 until Dec 21, then $62 until Feb 22, then $68 until Mar 29, then $74 until Apr 15, then $80 until Apr 17.
- Kids Dash: $17 until Apr 17.
Online registration closes Apr 17, 2027, unless the race fills first.
How the price compares
At $50, entry is about 23 percent below a typical half marathon in Missouri, which costs $65 right now.
What a typical finish looks like
A typical finisher at a half marathon in Missouri runs 2:08:16, about 9:47 a mile, based on 39 races with published results. Women typically finish in 2:18:16 and men in 1:58:39.
Light and altitude
Sunrise on race morning is at about 6:23 AM, and the 10K starts at 8:00 AM. The start sits about 490 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Creve Coeur Park- Tremayne Shelter, Maryland Heights, MO 63043
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 (4 years)5K
Half Marathon
10K
Aggregated from official results for DoNot Stop Half Marathon/5K/10K - St. Louis. Individual finisher names are not stored here.
How fast do you need to be at DoNot Stop Half Marathon/5K/10K - St. Louis?
At the 2026 5K, the fastest tenth finished in 26:23 or better, the top quarter in 30:41, and half the field in 37:30; the last tenth came in after 54:35.
At the 2026 Half Marathon, the fastest tenth finished in 1:45:26 or better, the top quarter in 1:54:22, and half the field in 2:06:49; the last tenth came in after 2:36:22.
At the 2026 10K, the fastest tenth finished in 51:29 or better, the top quarter in 56:54, and half the field in 1:04:48; the last tenth came in after 1:30:44.
| Age | Women | Men |
|---|---|---|
| Under 20 | 30:13 | 26:09 |
| 20-29 | 27:35 | 22:05 |
| 30-39 | 30:30 | 29:29 |
| 40-49 | 32:36 | 26:28 |
| 50-59 | 34:43 | n/a |
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
Up 527 percent since 2023.
All events combined, from official results.
DoNot Stop Half Marathon/5K/10K - St. Louis 5K year by year
From 2023 to 2026, the field went from 37 to 152 finishers, and the median time dropped from 42:28 to 37:30.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 152 (+10%) | 37:30 | under 26:23 | 21:00 |
| 2025 | 138 (-24%) | 36:28 | under 26:53 | 20:26 |
| 2024 | 181 (+389%) | 42:08 | under 29:05 | 19:36 |
| 2023 | 37 | 42:28 | under 30:57 | 23:06 |
From each year's official results for the 5K; virtual options are left out.
How fast is it?
About average for Missouri 5Ks
The fastest quarter of the 2026 5K field finished under 30:41, against 29:53 in a typical Missouri 5K, so times here are about average.
- Half Marathon: About average for Missouri half marathons. The fastest quarter of the 2026 half marathon field finished under 1:54:22, against 1:57:25 in a typical Missouri half marathon, so times here are about average.
- 10K: About average for Missouri 10Ks. The fastest quarter of the 2026 10K field finished under 56:54, against 56:28 in a typical Missouri 10K, so times here are about average.
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 April 17 the day usually runs from 50°F at dawn to 70°F in the afternoon, with measurable rain on about 29% of days. Cold snaps dip to 39°F and hot years reach 80°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
- Creve Coeur Park- Tremayne Shelter, Maryland Heights, MO 63043Map
- Course
- Road
- Start elevation
- About 490 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 1 Mile, 5K, 10K, Half Marathon, Kids
- Editions
- 2027 (Apr 17, 2027), 2026 (Apr 18, 2026), 2025 (Apr 19, 2025), 2024 (Mar 30, 2024), 2023 (Sep 9, 2023)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is DoNot Stop Half Marathon/5K/10K - St. Louis?
- Saturday, April 17, 2027, starting at 8:00 AM.
- How much does it cost?
- Entry starts at Free before processing fees, and rises to $36 on Jan 12, 2027.
- When does registration close?
- Online registration closes Apr 17, 2027, unless the race fills first.
- Is the entry fee high for Missouri?
- At $50, entry is about 23 percent below a typical half marathon in Missouri, which costs $65 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?
- 1 Mile, 5K, 10K, Half Marathon, Kids.
- How big is it, and how fast?
- In 2026, 152 runners finished the 5K; the median finish was 37:30 and the winner ran 21:00.
- Is it a fast course?
- The fastest quarter of the 2026 5K field finished under 30:41, against 29:53 in a typical Missouri 5K, so times here are about average.
- Where does it start?
- Creve Coeur Park- Tremayne Shelter, Maryland Heights, MO 63043.
From the organizers
Question: Is it supposed to be DO NOT STOP, or DONUT STOP? Answer: YES!
Like Running or Walking? Love Donuts? This race is for you! Join us for the annual DoNot Stop Half Marathon, 5k/10k! A donut-themed event that is perfect for the whole family.
The fun includes -
Great Swag - designer shirt & custom medal
Chip-timing with live results and awards
Free photos
Delicious donut waiting at the finish line
Plenty of fun!
Grab your friends and family, you are not going to want to miss this one!
Can't make the race? No problem! We offer a virtual race option where you can run anywhere, at any time, and still earn the fun swag!