The Tahoe Dog Event You’ve been waiting for!!! The Inaugural Tail Wagger 5K is a dog-focused 5K and 1 mile trail run/walk through the beautiful North Tahoe Regional Park in Tahoe Vista. Participation entries start at $45 for early entry. Free for non-participants. While all well-behaved dogs are welcome, they are not required to participate. There will be prizes, vendor expo and fun had by all. Sign up today!