Sat, Jun 26, 2027
Marlborough, NH
Entry is $20 now and rises to $25 after Jun 25, 2027, so registering before then saves $5.
The course winds through rural roads outside of town, rolling over hills edged with stone walls. Mount Monadnock sits in the background for much of the run. The terrain is honest, with enough climbing to earn the word challenging, and the scenery makes up for it. Age group prizes go deep into the field, so there is real competition at most paces.
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Going by the 2026 results, this is a small, friendly field, with a competitive front end and a big recreational middle.
5K · 2026 results
Top 3: Marty Nelligan (18:16) · James Elmour (18:26) · Peter Bonito (18:46)
The Marlborough Mad Dash 5K has been held every year since at least 2019. That is as far back as RunSignup's records for this race go, so it may well be older.
Enter a finish time to see where it lands against the most recent 5K results.
How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Jul 27, 2026.
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Almost certainly not. Half the 5K field finished slower than 30:10, and the last recorded finisher came in around 43:55, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.
It is a small race (60 finishers), which is friendlier and less intimidating than a big-city event, though the field thins out. There is no qualifying time, and the finish-time spread above shows how varied the field really is. If it is your first 5K, that spread matters more than the winner's time.
The 5K winner ran 18:16 while the median finisher took 30:10. That spread points to a mixed field, with a competitive front and a big recreational middle.