Exploring the World of Ultras with Jen & Sim Benson

this episode of the UKRunChat podcast, we're joined by ultra runners, authors, and adventurers Jen & Sim Benson. They share stories of epic challenges, why ultras feel like “supported adventures,” and how the community makes the sport so special.

We also dive into their brand-new book, Ultra: The World Atlas of Ultramarathons — a beautifully curated guide to iconic and lesser-known races around the globe. Whether you’re dreaming of UTMB, curious about Mongolia’s remote ultra, or wondering if you really can walk a 100k, this episode has insights and inspiration for every trail runner.

Topics covered:

• Jen & Sim’s journey from road marathons and climbing to ultras (00:23)
• Why ultras are “adventures with support” (03:26)
• Races that stood out, including Arc of Attrition 100 and TDS at UTMB (01:26, 06:57)
• Inside their new book Ultra — and how they chose which races made the cut (09:01, 13:36)
• Bucket-list ultras from Mongolia to the Trans-Alpine (15:02)
• Advice for first-time ultra runners: why it might not be as scary as it sounds (17:01)
• Walking an ultra — and why it might just be the best way to finish strong and avoid blisters (19:19)
• Navigation skills and mountain craft (23:47)
• Mental preparation, mindfulness, and dealing with “bad patches” (28:07)
• Future races and writing projects (34:30)
• The future of ultra running and community growth (40:02)

Links:

• Jen & Sim Benson on Instagram: @jenandsim
• Ultra: The World Atlas of Ultramarathons
• Jen’s book The Path She Runs