Space City 10 Miler and 5k 2026
- Date
- Sunday, October 11, 2026
- Start time
- 7:00 AM start (Chicago)
- Location
- Houston, Texas
- Entry fee
- From $50
- Included with entry
- Includes a shirt
Registration is open.
We earn a small commission when you register through this link, at no cost to you. Details
Official race websiteAdd to calendar: Apple or Outlook · Google
Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Men's 2 Person Relay - Space City 10 Miler | Relay | Oct 11, 20267:00 AM | $100 | – |
| Mixed 2 Person Relay - Space City 10 Miler | Relay | Oct 11, 20267:00 AM | $100 | – |
| Space City 10 Miler | 10 Mile | Oct 11, 20267:00 AM | $70 | – |
| Women's 2 Person Relay - Space City 10 Miler | Relay | Oct 11, 20267:00 AM | $100 | – |
| Space City 5k | 5K | Oct 11, 20267:15 AM | $50 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
Race day planning
Entry fee schedule
- Men's 2 Person Relay - Space City 10 Miler and Mixed 2 Person Relay - Space City 10 Miler and Women's 2 Person Relay - Space City 10 Miler: $100 until Oct 9.
- Space City 10 Miler: $70 until Oct 9.
- Space City 5k: $50 until Oct 9.
Online registration closes Oct 9, 2026, unless the race fills first.
Light and altitude
Sunrise on race morning is at about 7:18 AM, and the Men's 2 Person Relay - Space City 10 Miler starts at 7:00 AM. The start sits about 20 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
635 Bayou Road West, Houston, TX 77058
The pin marks the address the race lists, which is usually the start. The organizers have not shared a course map with us yet.
2025 results
All results (2 years)Space City 10 Miler
Mixed 2 Person Relay - Space City 10 Miler
Women's 2 Person Relay - Space City 10 Miler
Aggregated from official results for Space City 10 Miler and 5k. Individual finisher names are not stored here.
How fast do you need to be at Space City 10 Miler and 5k?
At the 2025 Space City 10 Miler, the fastest tenth finished in 1:05:32 or better, the top quarter in 1:17:41, and half the field in 1:32:04; the last tenth came in after 2:16:59.
At the 2025 Mixed 2 Person Relay - Space City 10 Miler, the fastest tenth finished in 1:26:31 or better, the top quarter in 1:33:46, and half the field in 1:44:58; the last tenth came in after 1:55:24.
At the 2025 Women's 2 Person Relay - Space City 10 Miler, the fastest tenth finished in 1:45:24 or better, the top quarter in 1:49:00, and half the field in 1:55:24; the last tenth came in after 2:18:52.
| Age | Women | Men |
|---|---|---|
| 20-29 | 1:00:21 | 54:09 |
| 30-39 | 1:09:09 | 54:28 |
| 40-49 | 1:10:12 | 59:00 |
| 50-59 | 1:18:51 | 1:08:16 |
| 60-69 | 1:22:34 | 1:21:01 |
| 70+ | 1:57:42 | 1:31:25 |
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 2025.
Finishers by year
About the same size since 2024.
All events combined, from official results.
Space City 10 Miler and 5k 10 Mile year by year
From 2024 to 2025, the field went from 335 to 314 finishers, and the median time dropped from 1:39:11 to 1:32:04.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2025 | 314 (-6%) | 1:32:04 | under 1:05:32 | 50:51 |
| 2024 | 335 | 1:39:11 | under 1:06:03 | 52:23 |
From each year's official results for the 10 Mile; virtual options are left out.
How fast is it?
Faster than most US 10-mile races
The fastest quarter of the 2025 10-mile race field finished under 1:17:41, against 1:24:00 in a typical US 10-mile race, so times here run 8 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 October 11 the day usually runs from 69°F at dawn to 82°F in the afternoon, with measurable rain on about 13% of days. Cold snaps dip to 61°F and hot years reach 87°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
- 635 Bayou Road West, Houston, TX 77058Map
- Course
- Road
- Start elevation
- About 20 feet
- Included with entry
- Long Sleeved Tech T-Shirt
- Distances
- 5K, 10 Mile, Relay
- Editions
- 2026 (Oct 11, 2026), 2025 (Oct 5, 2025), 2024 (Oct 6, 2024)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Space City 10 Miler and 5k?
- Sunday, October 11, 2026, starting at 7:00 AM.
- How much does it cost?
- Entry starts at $50 before processing fees.
- When does registration close?
- Online registration closes Oct 9, 2026, unless the race fills first.
- 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.
- What distances can I run?
- 5K, 10 Mile, Relay.
- How big is it, and how fast?
- In 2025, 314 runners finished the Space City 10 Miler; the median finish was 1:32:04 and the winner ran 50:51.
- Is it a fast course?
- The fastest quarter of the 2025 10-mile race field finished under 1:17:41, against 1:24:00 in a typical US 10-mile race, so times here run 8 percent faster.
- Where does it start?
- 635 Bayou Road West, Houston, TX 77058.
From the organizers
SPACE CITY 10 MILER AND 2 PERSON RELAY AND 5K
Sunday, October 11, 2026 at 7 am
University of Houston – Clear Lake Campus
635 Bayou Road West, Houston, TX 77058
HARRA FALL SERIES EVENT! Individual and 2-person relay
Certified course. One loop through the beautiful Clear Lake area with the start and finish at UH Clear Lake campus.
NOTE: This year we are offering a bare-bones option. No-shirt and no-medal for $15 discount on 10 Miler and Relay and $10 discount on 5k race.