Spend $50 and recieve FREE SDHALF Hat, Spend $100 or more and receive FREE domestic shipping!
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2020 Virtual Mammoth Half Marathon

$19.50 $39.00


Run, walk or jog 13.1 miles (21.1 km) anywhere and anytime in 2020! Your Mammoth Half Marathon registration packet includes: 

  • Large 4" (10 cm) Mammoth-themed Collectible Medal
  • 100% Moisture-Wicking Long Sleeve Tech Shirt. Unisex Navy, Unisex Gray and Women's Gray Available in limited sizes. All Gray shirts have participant names on the back who registered before 6/20/20 and may vary in fabric and shade of gray. For Size Chart, click here.
  • Official Black Cinch Bag presented by Yotelpad
  • Beautiful 8" x 8" (20 cm x 20 cm) Mammoth-themed Official Bib
  • Large 4" (10 cm) Spinner Challenge Medal, if applicable. If you participated in the San Diego Half Marathon in the same calendar year, you will automatically receive your San Diego-Mammoth Challenge Medal.
  • 2 Huma Chia Energy Gels, Raspberry and/or Chocolate Flavor

Shipping is +$8.99 for domestic US addresses. Shipping for international addresses are calculated at checkout. Your packet will generally be shipped to you within 48 hours.

To Take the "San Diego-Mammoth" Challenge, purchase both the San Diego Half Marathon and the Mammoth Half Marathon and complete in the same calendar year!

Visit us at Mammoth Half Marathon for further information, or, to submit your time, join our Mammoth Half Marathon Official Group on Facebook.

No Refunds or Defferals.