2023 Results & Photos. Live tracking is available here.
Presented by Outside+ & FinisherPix, we are thrilled to offer Free Runner Photos to all Half & Full Marathon Runners.
Registration for the Boulderthon Marathon is open. You can register online or show up early and register on the day of the race.
Boulderthon also offers a Kids Run and 5k on Saturday, October 7th. On Sunday, October 8th our other races include a 10k and Half Marathon.
The winners of the 2022 edition of Boulderthon are below:
Marathon - Female
Marie Morrier - Denver, CO - 3:02:59 (Course Record)
Marathon - Male
Kurt Roeser - Longmont, CO - 2:31:51 (Course Record)
Half Marathon - Female
Neely Spence Gracey - Lafayette, CO - 1:16:09 (Course Record)
Half Marathon - Male
Alejandro Martinez Ambrosio - Boulder, CO - 1:08:20 (Course Record)
10k - Female
Jessica Scheriff - Denver, CO - 35:18 (Course Record)
2022 Boulderthon 10k - Male
Carson Hume - Fort Collins, CO - 31:39 (Course Record)
5k - Female
Shelley McDonald - Loveland, CO - 18:37 (Course Record)
5k - Male
Koy Cunningham - Colorado Springs, CO - 16:17 (Course Record)
The winners of the 2021 edition of Boulderthon are below:
Marathon - Female
Anke Schoettle - Denver, CO - 3:25:52
Marathon - Male
Mike Binder - Erie, CO - 2:53:11
Half Marathon - Female
Kathryn Harrison - Denver, CO - 1:26:11
Half Marathon
Male Joel Toppin - Wesminster, CO - 1:14:43