Fastest marathons in South Dakota
The South Dakota marathons where finishers run fastest, ranked by median finish time over each race's last three years of results.
- 1Brookings Marathon, Half Marathon, and RelayBrookings342 finishers over 3 yearsLast run Oct 10, 2026 45°F race morning4:13:27median finish
- 24:19:18median finish
- 34:48:56median finish
- 44:52:50median finish
Fastest marathons by state
Common questions
What is the fastest marathon in South Dakota?
By the results we track, Brookings Marathon, Half Marathon, and Relay in Brookings: its median finisher runs 4:13:27, 9:40 per mile, over its last 3 years. Next is Sioux Falls Marathon at 4:19:18.
How are the races ranked?
By the median finish time of each race's last three years of results: the time half its finishers beat. A race needs at least 200 finishers to be ranked. It reflects the course, the usual weather and who enters: races that draw serious runners rank high.
Which marathon is best for a personal record?
Look for a flat course, a cool race morning and a field near your pace, so you have people to run with. The races here are where finishers run fastest; check each one's course and weather, shown in its listing.
Chasing a Boston qualifier? See the marathons where the most runners qualify →