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Time Travel Half-Marathon/5K/10K - St. Louis 2027

Date
Sunday, January 3, 2027
Start time
9:00 AM start (Chicago)
Entry fee
From $17 · goes up to $36 on Sep 30, 2026
Included with entry
Includes a shirt
Fundraising
Takes optional donations when you register
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Events and entry fees

EventDistanceWhenEntry feeCap
10K10KJan 3, 20279:00 AM$32$36 after Sep 30, 2026–
1 Mile1 MileJan 3, 20279:00 AM$22–
5K5KJan 3, 20279:00 AM$32$36 after Sep 30, 2026–
Half MarathonHalf MarathonJan 3, 20279:00 AM$62$68 after Nov 10, 2026–
Kid's DashKidsJan 3, 20279:00 AM$17–
Volunteer then Run–Jan 3, 20279:00 AM$175
Virtual EventVirtual–Jan 3, 20279:00 AM$42–

Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.

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The 10K fee goes up to $36 on Sep 30, 2026.

Race day planning

Entry fee schedule

  • 10K and 5K: $32 until Sep 30, then $36 until Nov 9, then $40 until Dec 15, then $44 until Jan 2, then $49 until Jan 3.
  • 1 Mile: $22 until Jan 3.
  • Half Marathon: $62 until Nov 10, then $68 until Dec 15, then $74 until Jan 1, then $80 until Jan 3.
  • Kid's Dash and Volunteer then Run: $17 until Jan 3.

Online registration closes Jan 3, 2027, unless the race fills first.

How the price compares

At $62, entry is about the same as a typical half marathon in Missouri ($65).

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 7:19 AM, and the 10K starts at 9:00 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.

5K

59
finishers
35:57
median (11:36 /mi)
21:36
winning time
68% / 32%
women / men
median 35:5721:481:05:49
Finish times, fastest to slowest. Each bar is a slice of the field; the dashed line is the median.

Half Marathon

50
finishers
2:04:30
median (9:30 /mi)
1:29:06
winning time
66% / 34%
women / men

10K

32
finishers
1:08:16
median (11:01 /mi)
30:05
winning time
70% / 30%
women / men

Aggregated from official results for Time Travel Half-Marathon/5K/10K - St. Louis. Individual finisher names are not stored here.

How fast do you need to be at Time Travel Half-Marathon/5K/10K - St. Louis?

At the 2026 5K, the fastest tenth finished in 27:28 or better, the top quarter in 28:58, and half the field in 35:57; the last tenth came in after 52:52.

At the 2026 Half Marathon, the fastest tenth finished in 1:47:51 or better, the top quarter in 1:55:35, and half the field in 2:04:30; the last tenth came in after 2:55:00.

At the 2026 10K, the fastest tenth finished in 46:20 or better, the top quarter in 57:00, and half the field in 1:08:16; the last tenth came in after 1:21:07.

Third place by age group, 2026 5K
AgeWomenMen
20-2933:38n/a
30-3932:3333:47
40-4928:34n/a
50-5952:26n/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

Down 48 percent since 2023.

All events combined, from official results.

Time Travel Half-Marathon/5K/10K - St. Louis 5K year by year

From 2023 to 2026, the field went from 89 to 59 finishers, and the median time dropped from 38:41 to 35:57.

YearFinishersMedianFastest tenthWinner
202659 (-48%)35:57under 27:2821:36
2025114 (+28%)38:26under 27:4516:52
20238938:41under 27:2322:17

From each year's official results for the 5K; virtual options are left out.

How fast is it?

Faster than most Missouri 5Ks

The fastest quarter of the 2026 5K field finished under 28:58, against 29:53 in a typical Missouri 5K, so times here run 3 percent faster.

  • Half Marathon: About average for Missouri half marathons. The fastest quarter of the 2026 half marathon field finished under 1:55:35, against 1:57:25 in a typical Missouri half marathon, 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 January 3 the day usually runs from 29°F at dawn to 42°F in the afternoon, with measurable rain on about 28% of days. Cold snaps dip to 16°F and hot years reach 63°F.

Based on 75 days within a week of the date over the last 6 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 (Jan 3, 2027), 2026 (Feb 21, 2026), 2025 (Jan 26, 2025), 2023 (Jan 15, 2023)

Organize this race? Add details or a correction

Plan your race

Quick answers

When is Time Travel Half-Marathon/5K/10K - St. Louis?
Sunday, January 3, 2027, starting at 9:00 AM.
How much does it cost?
Entry starts at $17 before processing fees, and rises to $36 on Sep 30, 2026.
When does registration close?
Online registration closes Jan 3, 2027, unless the race fills first.
Is the entry fee high for Missouri?
At $62, entry is about the same as a typical half marathon in Missouri ($65).
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, 59 runners finished the 5K; the median finish was 35:57 and the winner ran 21:36.
Is it a fast course?
The fastest quarter of the 2026 5K field finished under 28:58, against 29:53 in a typical Missouri 5K, so times here run 3 percent faster.
Where does it start?
Creve Coeur Park- Tremayne Shelter, Maryland Heights, MO 63043.

From the organizers

🚀 Ready, Set... Time Travel! 🕰️

Lace up your sneakers and prepare to dash through the Time Travel Half Marathon (5K/10K) — a family-friendly race that’s truly timeless! Whether you're a future sprinter or a blast-from-the-past jogger, this event is all about fun, fitness, family, and a little bit of funky flair. Costumes encouraged, time machines optional. Let’s run — one epic mile at a time!

*Youth-based pricing for the 5k/10k, 12 & Under are only $17!

Half Marathon registration includes a custom bib, super soft tee, awesome finisher medal!

10k registration includes a custom bib, super soft tee, and an awesome finisher medal!

5k registration includes a custom bib, a super soft tee, and an awesome finisher medal!

Read the full description on RunSignup