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Professional triathlete Sika Henry will compete at Comrades Marathon

The pro triathlete believes she may have found a new sweet spot with ultra distances.

Sika Henry has never shied away from new challenges. After spending several years working to qualify for her pro card and becoming the first Black American woman to do so in May 2021, she shifted toward a new focus of ultramarathons.

Henry’s first was the 2021 JFK 50 Mile in Maryland, where she finished as the second overall woman. Nearly a year later, after deciding to take a break from triathlon, she set a record of 8:34:20 with her win at the Dismal Swamp 100K in Chesapeake, Virginia.

It seems the endurance built from triathlons—with its back-to-back-to-back swim, cycle, and run—work better for Henry than a straight-up marathon.

“I think I’m more mentally strong and can endure a lot for a really long period of time, which I think I developed from triathlon,” Henry tells Runner’s World.

Henry’s success at Dismal Swamp set the stage for her next ultramarathon endeavor: the Comrades Marathon, a 90-kilometer race and the world’s oldest ultramarathon in South Africa, taking place on June 11. (The race course, which alternates between Durban and Pietermaritzburg each year, will be run “down” this year.) Henry will be racing as an elite with the Durban-based Phantane Athletics Club, a partnership that came after she met some athletes at last year’s Ironman World Championship in Kona, Hawaii. In addition to the fact that the club will provide her with bottle and fluid support at the race, Henry was also enthused about representing them after learning about how they work to identify talent and give back to underprivileged athletes in South Africa.

Henry’s buildup for Comrades included the Dismal Swamp 100K and an early 2023 marathon at Houston. Next up was the Boston Marathon, where she received a special invitation to race as part of a team along with Alisa Harvey, Ingrid Walters, and Shawanna White to represent Marilyn Bevans, who is known as a pioneer for women’s distance running as the first Black American woman to have broken 3 hours in the marathon.

“[Bevans] has been a bit of an idol of mine for quite some time—one of the reasons why I chased a sub-3-hour marathon was to be part of ‘The List’ [of Black American women who have hit the milestone],” Henry says. “So to come back years later and have all these other races and everything under my belt, it was an honor to get to represent her.”

Henry ended up finishing Boston in 3:08:30 after going in with the plan to use the race as a training run for Comrades by holding a 7:15 to 7:30 pace. Henry found that she was nailing it until she hit mile 21, where Pioneers Run Crew and TrailBlazHers Run Co. were stationed. Henry went on to run the last miles at 6:30- to 6:40 pace, negative-splitting the race by 3 minutes.