Time Travel Half-Marathon/5K/10K - Ann Arbor 2027
- Date
- Saturday, January 9, 2027
- Start time
- 9:00 AM start (New York)
- Location
- Ypsilanti, Michigan
- Entry fee
- From $17 · goes up to $34 on Oct 6, 2026
- 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 | Jan 9, 20279:00 AM | $30$34 after Oct 6, 2026 | – |
| 1 Mile | 1 Mile | Jan 9, 20279:00 AM | $22 | – |
| 5K | 5K | Jan 9, 20279:00 AM | $30$34 after Oct 6, 2026 | – |
| Half Marathon | Half Marathon | Jan 9, 20279:00 AM | $70$76 after Nov 16, 2026 | – |
| Kid's Dash | Kids | Jan 9, 20279:00 AM | $17 | – |
| Volunteer then Run | – | Jan 9, 20279:00 AM | $17 | 5 |
| Virtual EventVirtual | – | Jan 9, 20279:00 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 $34 on Oct 6, 2026.
Race day planning
Entry fee schedule
- 10K and 5K: $30 until Oct 5, then $34 until Nov 15, then $38 until Dec 20, then $42 until Jan 7, then $46 until Jan 9.
- 1 Mile: $22 until Jan 9.
- Half Marathon: $70 until Nov 15, then $76 until Dec 20, then $82 until Jan 6, then $88 until Jan 9.
- Kid's Dash and Volunteer then Run: $17 until Jan 9.
Online registration closes Jan 9, 2027, unless the race fills first.
How the price compares
At $70, entry is about the same as a typical half marathon in Michigan ($67.50).
What a typical finish looks like
A typical finisher at a half marathon in Michigan runs 2:07:11, about 9:42 a mile, based on 72 races with published results. Women typically finish in 2:14:18 and men in 1:58:17.
Light and altitude
Sunrise on race morning is at about 8:02 AM, and the 10K starts at 9:00 AM. The start sits about 780 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
Rolling Hills Water Park, Ypsilanti, MI 48197
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 (3 years)5K
Half Marathon
10K
Aggregated from official results for Time Travel Half-Marathon/5K/10K - Ann Arbor. Individual finisher names are not stored here.
How fast do you need to be at Time Travel Half-Marathon/5K/10K - Ann Arbor?
At the 2026 5K, the fastest tenth finished in 26:04 or better, the top quarter in 29:01, and half the field in 36:01; the last tenth came in after 52:34.
At the 2026 Half Marathon, the fastest tenth finished in 1:36:04 or better, the top quarter in 1:46:30, and half the field in 2:05:23; the last tenth came in after 2:41:25.
At the 2026 10K, the fastest tenth finished in 49:28 or better, the top quarter in 52:39, and half the field in 56:47; the last tenth came in after 1:09:53.
| Age | Women | Men |
|---|---|---|
| 20-29 | 30:53 | n/a |
| 30-39 | 29:19 | 25:48 |
| 40-49 | 27:04 | n/a |
| 50-59 | 45:02 | 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 118 percent since 2024.
All events combined, from official results.
Time Travel Half-Marathon/5K/10K - Ann Arbor 5K year by year
From 2024 to 2026, the field went from 20 to 59 finishers, and the median time dropped from 37:26 to 36:01.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 59 (-3%) | 36:01 | under 26:04 | 19:41 |
| 2025 | 61 (+205%) | 39:22 | under 25:15 | 19:40 |
| 2024 | 20 | 37:26 | under 27:43 | 21:05 |
From each year's official results for the 5K; virtual options are left out.
How fast is it?
About average for Michigan 5Ks
The fastest quarter of the 2026 5K field finished under 29:01, against 28:36 in a typical Michigan 5K, so times here are about average.
- Half Marathon: Faster than most Michigan half marathons. The fastest quarter of the 2026 half marathon field finished under 1:46:30, against 1:52:52 in a typical Michigan half marathon, 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 January 9 the day usually runs from 20°F at dawn to 33°F in the afternoon, with measurable rain on about 17% of days. Cold snaps dip to 7°F and hot years reach 41°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
- Rolling Hills Water Park, Ypsilanti, MI 48197Map
- Course
- Road
- Start elevation
- About 780 feet
- Included with entry
- T-Shirt
- Donations
- Accepted when you register
- Distances
- 1 Mile, 5K, 10K, Half Marathon, Kids
- Editions
- 2027 (Jan 9, 2027), 2026 (Jan 10, 2026), 2025 (Jan 11, 2025), 2024 (Sep 22, 2024)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Time Travel Half-Marathon/5K/10K - Ann Arbor?
- Saturday, January 9, 2027, starting at 9:00 AM.
- How much does it cost?
- Entry starts at $17 before processing fees, and rises to $34 on Oct 6, 2026.
- When does registration close?
- Online registration closes Jan 9, 2027, unless the race fills first.
- Is the entry fee high for Michigan?
- At $70, entry is about the same as a typical half marathon in Michigan ($67.50).
- 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 36:01 and the winner ran 19:41.
- Is it a fast course?
- The fastest quarter of the 2026 5K field finished under 29:01, against 28:36 in a typical Michigan 5K, so times here are about average.
- Where does it start?
- Rolling Hills Water Park, Ypsilanti, MI 48197.
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!