october, 2023 Diablo Summit Stomp Castle Rock Recreation Area 1700 Castle Rock Road, Walnut Creek, CA 94598 21oct7:00 amDiablo Summit StompCastle Rock Recreation Area Races:10K,30K,5K,Half Marathon Register: Go To Race Site Register Results Diablo Summit Stomp Results 2023 October 21 5K 10K Half Marathon Half Marathon Hiker Surrender Half Marathon 30K 30K Hiker 2022 October 22 5K 10K Half Marathon Half Marathon Hiker Surrender Half Marathon 30K 30K Hiker 2021 October 23 5K 10K Half Marathon Half Marathon Hiker Surrender Half Marathon 30K 30K Hiker 2019 November 2 5K 10K Half Marathon Half Marathon Hiker 30K 30K Hiker 2018 November 3 5K 10K Half Marathon Half Marathon Hiker 30K 30K Hiker 2017 November 4 5K 10K Half Marathon Half Marathon Hiker 30K 30K Hiker 2016 November 5 5K 10K Half Marathon Half Marathon Hiker 30K 30K Hiker 2015 November 8 5K 10K Half Marathon Half Marathon Hiker 2014 November 2 5K 10K Half Marathon Half Marathon Hiker 2013 November 3 5K 10K Half Marathon Half Marathon Hiker 2012 November 4 5K 10K Half Marathon Half Marathon Hiker 2011 November 6 5K 10K Half Marathon 2010 November 7 5K 10K Half Marathon Go To Diablo Summit Stomp! Site Register to Run Diablo Summit Stomp!
