The Spring Sprung Half Marathon
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Event details
The SPRING SPRUNG 5k-10k 10K Ruck and Half Marathon takes place on May 2, 2026, in Ballwin, Missouri. The event is organized by Rockinator Racing and is based at Queeny Park, with the race village at the Smith Pavilion. The course uses the park trail system on gravel surfaces.
Distances and course format
- 5k - one lap
- 10k - two laps
- 10K Ruck - two laps, with a 20 lb or 30 lb rucksack option
- Half Marathon - four laps
All events share the same marked route. Splits are recorded and timing is by chip. The course includes aid station access during laps.
Services, awards and logistics
Participants receive a finisher medal and a drawstring backpack. A soft spun T-shirt and a neck/ear buff are included, with T-shirt sizing guaranteed for registrations by April 10. Results use professional chip timing and free race photos and finish-line video are available for download. Podium awards are given to the top three overall men and women in each event and to top three finishers in age groups (1-13, 14-19, 20-29, 30-39, 40-49, 50-59, 60-69, 70+). Packet pickup is held on race morning. Visit the organization's website for the most recent information.