The Oak Tree runs through historic Geneseo on Labor Day weekend. The half marathon and 5K share the same morning, and the 5K carries championship status within the regional USATF circuit, which pulls competitive runners alongside those out for a holiday weekend run. The town itself, known for its well-preserved architecture, gives the course a distinct backdrop.
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Going by the 2025 results, this is a decent-sized field, with a competitive front end and a big recreational middle.
5K · 2025 results
Top 3: Thomas Appenheimer (14:51) · Patrick Klinger (14:55) · Lee Berube (15:15)
13.1 Miles · 2025 results
Top 3: John Schnitter (1:16:30) · Justin Duchnick (1:18:46) · Thomas Riccardi (1:19:26)
The Oak Tree Half Marathon & 5K Run/Walk has been held every year since at least 2015. 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 27:49, and the last recorded finisher came in around 1:06:46, so there is a long tail of runners behind the middle of the pack. Most fields are far slower than people expect.
A field of 362 is big enough that you will have company at your pace without feeling lost in a crowd. 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 14:51 while the median finisher took 27:49. That spread points to a mixed field, with a competitive front and a big recreational middle.