Course
5K Course Map
Run Thru Reston Half Marathon & 5K 2027
- Date
- Sunday, April 25, 2027
- Start time
- 7:30 AM start (New York)
- Location
- Reston, Virginia
- Entry fee
- From $40 · goes up to $90 on Dec 1, 2026
- Included with entry
- Includes a shirt
- Fundraising
- Takes optional donations when you register
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Events and entry fees
| Event | Distance | When | Entry fee | Cap |
|---|---|---|---|---|
| Half Marathon | Half Marathon | Apr 25, 20277:30 AM | $85$90 after Dec 1, 2026 | – |
| 5K | 5K | Apr 25, 20277:45 AM | $40$45 after Dec 1, 2026 | – |
Entry fees exclude processing fees. Prices and dates come from the race's registration page and refresh nightly.
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The Half Marathon fee goes up to $90 on Dec 1, 2026.
Race day planning
Entry fee schedule
- Half Marathon: $85 until Nov 30, then $90 until Dec 31, then $95 until Mar 31, then $100 until Apr 25.
- 5K: $40 until Nov 30, then $45 until Dec 31, then $50 until Apr 25.
Online registration closes Apr 25, 2027, unless the race fills first.
How the price compares
At $85, entry is about 21 percent above a typical half marathon in Virginia, which costs $70 right now.
What a typical finish looks like
A typical finisher at a half marathon in Virginia runs 2:10:08, about 9:56 a mile, based on 34 races with published results. Women typically finish in 2:19:26 and men in 2:00:18.
Light and altitude
Sunrise on race morning is at about 6:20 AM, and the Half Marathon starts at 7:30 AM. The start sits about 400 feet above sea level.
Fees exclude processing fees. Comparisons use current entry fees and published results from races nearby.
Start location and course
South Lakes High School, Reston, VA 20191
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 (2 years)Half Marathon
295
finishers
2:04:54
median (9:32 /mi)
1:23:56
winning time
40% / 60%
women / men
5K
178
finishers
34:37
median (11:09 /mi)
19:01
winning time
60% / 40%
women / men
Aggregated from official results (Potomac River Running) for Run Thru Reston Half Marathon & 5K. Individual finisher names are not stored here.
How fast do you need to be at Run Thru Reston Half Marathon & 5K?
At the 2026 Half Marathon, the fastest tenth finished in 1:41:53 or better, the top quarter in 1:52:10, and half the field in 2:04:54; the last tenth came in after 2:37:32.
At the 2026 5K, the fastest tenth finished in 26:48 or better, the top quarter in 29:26, and half the field in 34:37; the last tenth came in after 56:46.
| Age | Women | Men |
|---|---|---|
| Under 20 | 2:04:59 | 1:53:38 |
| 20-29 | 1:48:23 | 1:35:31 |
| 30-39 | 1:40:32 | 1:30:01 |
| 40-49 | 1:52:50 | 1:34:42 |
| 50-59 | 2:14:06 | 1:43:49 |
| 60-69 | 2:18:15 | 1:58:49 |
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 17 percent since 2025.
405
2025
473
2026
All events combined, from official results.
Run Thru Reston Half Marathon & 5K Half Marathon year by year
From 2025 to 2026, the field went from 224 to 295 finishers, and the median time dropped from 2:13:14 to 2:04:54.
| Year | Finishers | Median | Fastest tenth | Winner |
|---|---|---|---|---|
| 2026 | 295 (+32%) | 2:04:54 | under 1:41:53 | 1:23:56 |
| 2025 | 224 | 2:13:14 | under 1:50:49 | 1:24:08 |
From each year's official results for the Half Marathon; virtual options are left out.
How fast is it?
About average for Virginia half marathons
The fastest quarter of the 2026 half marathon field finished under 1:52:10, against 1:52:10 in a typical Virginia half marathon, so times here are about average.
- 5K: About average for Virginia 5Ks. The fastest quarter of the 2026 5K field finished under 29:26, against 28:55 in a typical Virginia 5K, 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 25 the day usually runs from 49°F at dawn to 69°F in the afternoon, with measurable rain on about 16% of days. Cold snaps dip to 38°F and hot years reach 83°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.
From the race's page
What the organizers of Run Thru Reston Half Marathon & 5K cover on their registration page, in brief.
Course
Half Marathon Course Map
ko.
Race details
- Where
- South Lakes High School, Reston, VA 20191Map
- Course
- Road
- Start elevation
- About 400 feet
- Included with entry
- Run Thru Reston Race Shirt; Run Thru Reston 5K Race Shirt
- Donations
- Accepted when you register
- Distances
- 5K, Half Marathon
- Editions
- 2027 (Apr 25, 2027), 2026 (Apr 26, 2026), 2025 (Apr 27, 2025)
Organize this race? Add details or a correction
Plan your race
Quick answers
- When is Run Thru Reston Half Marathon & 5K?
- Sunday, April 25, 2027, starting at 7:30 AM.
- How much does it cost?
- Entry starts at $40 before processing fees, and rises to $90 on Dec 1, 2026.
- When does registration close?
- Online registration closes Apr 25, 2027, unless the race fills first.
- Is the entry fee high for Virginia?
- At $85, entry is about 21 percent above a typical half marathon in Virginia, which costs $70 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, Half Marathon.
- How big is it, and how fast?
- In 2026, 295 runners finished the Half Marathon; the median finish was 2:04:54 and the winner ran 1:23:56.
- Is it a fast course?
- The fastest quarter of the 2026 half marathon field finished under 1:52:10, against 1:52:10 in a typical Virginia half marathon, so times here are about average.
- Where does it start?
- South Lakes High School, Reston, VA 20191.
From the organizers
The Reston Runners are hosting the 14th annual Run Thru Reston Half Marathon & 5K on Sunday, April 25, 2027, 7:30 AM
The racecourse has some rolling hills on beautiful, paved trails. The course will be well marked and lined with friendly and supportive volunteers to boost your spirits along the way. The half marathon and 5K races will both start on the track at South Lakes High School. The Half Marathon will start at 7:30 am, followed by the 5K start at 7:45 am. Both races will finish on the track at South Lakes HS.