Hell Creek 100 & Pure Hell 140
Sylvan Grove, KS
- 140 Miler, 100 Miler, 100K, 20 Miler, 10K
- Trail (Unpaved)
- Official race website
All runs will take place on the Switchgrass Mountain Bike Trail at Wilson State Park. The 100 has the most elevation gain and loss of any 100-miler in Kansas! If you’re looking for a challenging course in the “flatlands” you’ve found it. The trail is easy-to-follow, rugged, single-track with very … MORE
Local Historical Weather (Oct 30):
| 2025 | 2024 | 2023 | 2022 | 2021 | |
| H (°F) | 62 | 74 | 48 | 63 | 75 |
| L (°F) | 29 | 47 | 18 | 44 | 34 |
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