Wellsboro, Pennsylvania (United States of America) - "Pine Creek Challenge". 100 mile or 100 kilometer run, 50 mile and marathon distance, all on the Pine Creek Rail Trail in beautiful Wellsboro, PA! 100 mile relay option also!!!! The "Pine Creek Challenge" is just that, a place to challenge yourself by seeing how far or how fast you can run. It will be a scenic trail run along Pine Creek in northern Pennsylvania. The Pine Creek Rail Trail stretches 63 miles from Wellsboro Junction to Jersey Shore and is repeatedly listed as one of the finest bike rides in the Northeast. This section is through the "Grand Canyon of the East", the Pine Creek Gorge. The Gorge stretches for 47 miles. It is nearly a mile wide and 1,450 feet deep at its deepest point. This section of Pine Creek is listed as a National Natural Landmark. It's popular with canoeists and rafters in the spring and trout fishermen are drawn here all year long. We have set up an out and back course that uses 25 miles of the upper canyon section. We will have the start/finish at Asaph. The 100 miler runners will go 2 out and backs to Blackwell, passing through the canyon 4 times. The 100k folks will go once to Blackwell and return. The 50 mile course will be half of the 100 mile course, going once to Blackwell. The marathoners will turn around just below Tiaghdaton. www.pinecreekchallenge.com

Chicago, Illinois (United States of America) - "Run Mag Mile". Explore Chicago's Magnificent Mile® like never before at the Run Mag Mile® 5K and 10K on September 12, 2026! Join thousands of runners at the ONLY race that shuts down the Magnificent Mile®. Soak in the infectious energy of the city while running past Chicago's iconic landmarks and beautiful lakefront. After crossing the finish line, celebrate at the post-race party with a well-earned brunch, music, adult beverages (21+), and much more! There are few chances to enjoy downtown Chicago and the famed Magnificent Mile®, so don't miss out. https://go.evvnt.com/3247086-2?pid=6562

Orpington, England (United Kingdom) - "BH5K Naked Run (September)". DARE2BARE and challenge yourself to an unforgettable and liberating nude running experience. Our 5K naked trail run takes you on a scenic adventure around our beautiful 50-acre private grounds, winding through peaceful woodland paths. Our ankle tag chip-timing system accurately records your time and race position as you finish. On registration you’ll receive a lightweight, returnable ankle tag. There's a naked 5K medal for everyone who completes the course and personalised printed certificates are available on request showing your race times and finishing position.  Our latest design trophies await those who finish in the first three ladies, first three men age 50+, first three ladies age 50+ and first three overall race winners. After the run, stick around for the afternoon and make the most of a carnival atmosphere with music and stalls. Enjoy our fantastic facilities — relax in our 18 meter heated covered swimming pool, unwind in the sauna, or freshen up with our hot showers (20p). The Teapot Café serves hot food, and our licensed outdoor bar will also be open, perfect for refuelling and socializing. If the weathers on our side, the fun will continue with additional afternoon games. Glow Crazy NRG Party – Free entry to all runners and non- runners. This year’s party goes high tech in our newly refurbished Cow Shed, joining forces with the NRG Party team for an immersive evening packed with light, colour, and technology with sounds from a top London DJ. Get creative and bring glow sticks, body paints and any accessories  that light up. Find out why so many people return to the BH5K year after year! ENTRIES CLOSE AT 3 PM ON Friday 11th SEPTEMBER — BOOK NOW AND DON’T MISS OUT! www.naturistfoundation.org/5k-run