Marathoner + ultramarathoner with a 3:53 marathon, pediatric CVICU nurse, and triathlete-in-training — racing my first IRONMAN 70.3 in San Juan, Puerto Rico on March 14, 2027. Content in English and Spanish, from Miami.
I'm Kari — a runner turned triathlete-in-training based in Miami. I've gone from my first miles to becoming a marathoner and ultramarathoner, with a 3:53 marathon on the books.
When I'm not training, I'm a pediatric CVICU nurse — and I document the whole journey: early-morning runs, long rides, swim sessions, gear, fueling and everything it takes to keep showing up.
Now the goal is bigger: the triathlon chapter. Follow along. 🏊🏽♀️🚴🏽♀️🏃🏽♀️



Authentic endurance-sports content for running, cycling, swim and wellness brands — created by an athlete who actually trains, races and lives it every day.
Real training content — from 26-mile rides to swim sessions and race prep — shared with an engaged endurance community.
Product integrations that feel natural, because they're part of the routine: fueling, apparel, gear and recovery.
From marathons to ultras to the triathlon journey — milestone moments your brand can be part of.
Reach per follower, where the audience lives and who they are — straight from Instagram Insights, last 30 days.
Content is produced in both English and Spanish.
Source: Instagram Insights, September 2026
Brand collaborations, partnerships and media — drop me a line and let's talk.
📧 Runningbykari@gmail.com