Sunday, October 18, 2026Reston, VA
Fall Backyard Burn Trail Run - Lake Fairfax
2 events
- 10 Mile10 miTrailStarts 9:00 AM
- 5 Mile8.2KTrailStarts 9:00 AM
Location
Approximate, from the race's ZIP code.
Typical race-day weatherIdeal weather · 98/100
- High / low
- 68° / 46°F
- 20° / 8°C
- Humidity
- 73%
- Dew point 46°F
- Chance of rain
- 22%
- Wind
- 7 mph
- Average
- Usually ideal weather for a half marathon.
Averages for this area and time of year over the last 20 years, from NASA POWER data. Not a forecast.
Past results
- Typical timesFinish times are typical for trail 8Ks.4 years, 979 finishers; men and women compared separately.
- 13% fasterFinish times are typically 13% faster than at other trail 10-mile races.4 years, 415 finishers; men and women compared separately.
| Year | Event | Finishers | Median | Men | Women |
|---|---|---|---|---|---|
| 2025 | 10 Mile · 10 mi | 106 | 1:49:18 | 1:49:26 | 1:48:28 |
| 2025 | 5 Mile · 8.2K | 265 | 58:52 | 55:24 | 1:04:45 |
| 2024 | 10 Mile · 10 mi | 113 | 1:43:35 | 1:37:23 | 1:56:34 |
| 2024 | 5 Mile · 8.2K | 269 | 59:43 | 55:48 | 1:04:02 |
| 2023 | 10 Mile · 10 mi | 91 | 1:46:10 | 1:42:47 | 1:56:32 |
| 2023 | 5 Mile · 8.2K | 217 | 1:01:08 | 56:50 | 1:04:16 |
| 2022 | 10 Mile · 10 mi | 105 | 1:40:50 | 1:33:57 | 2:00:42 |
| 2022 | 5 Mile · 8.2K | 228 | 56:43 | 52:40 | 1:01:00 |
Median finish times from results published on RunSignup. Keyrace keeps only these summaries, never individual results. A fast or slow field affects times as much as the course does.