
Reston, United States of America · Sunday 26 April 2026
The Reston Runners are hosting the 13th annual Run Thru Reston Half Marathon & 5K on Sunday, April 26, 2026, 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. The 5K race is perfect for walkers and families who are there to support their half marathon runner. We do not allow pets or strollers on the course. We provide an extensive post-race feast for all race participants and volunteers. The courses are amply supported with eager volunteers, porta-potties (for the Half Marathon), race-course water and Gatorade. Runners and volunteers receive a technical race shirt and other goodies at packet pick up. Race shirts are guaranteed to participants if they register by April 1, 2025. Registration Fees: Half Marathon : Through November 30: $85 December 1 through December 31: $90 January 1 through March 31: $95 April 1 through Race Day: $100 Half Marathon participants will receive a custom bib, commemorative technical shirt, car seat cover, and finisher medal 5K : through November 30: $40 December 1 through December 31:$45 January 1 through Race Day (April 27): $50 5K participants will receive a custom bib and technical race shirt and finisher medal Online registration will remain open through Race Day, April 26 at 7:00am. All registration must be completed online. There will be no late/race day paper registration. Packet pick up: Saturday, April 25, 10:00am-2:00 pm at South Lakes HS (11400 South Lakes Dr., Reston, VA 20191) Race Day, Sunday, April 26 starting at 6:00 am at South Lakes HS. Awards for the Half Marathon and 5K * Top 3 overall Male & Female winners * Top 3 male & female finishers in each of the following
Adjusted Time
1:40:47
Time difference: -4.2 minutes compared to a flat, road, temperate course.
Run Thru Reston Half Marathon & 5K is a half marathon held in Reston, United States of America, scheduled for Sunday 26 April 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level. For registration and full race details, visit the official Run Thru Reston Half Marathon & 5K website.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Run Thru Reston Half Marathon & 5K is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Run Thru Reston Half Marathon & 5K is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based half marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Run Thru Reston Half Marathon & 5K against other half marathons to find the right race for your goals.
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