Calli Haugher-Thackery ran the Boston Marathon while 22 weeks pregnant, finishing in 65th place with an average pace of 6:16 per mile. This marks her third marathon during her pregnancy.
Calli Haugher-Thackery in April 2026
Credit: Calli Haugher-Thackery/Instagram
British Olympian Calli Hauger-Thackery isn't letting pregnancy stop her from doing what she does best.
Hauger-Thackery, 33, is currently 22 weeks pregnant with her first child and competed in the Boston Marathon on Monday, April 20. She is expecting a baby boy with her husband, Nick Hauger, this August.
The race is the Olympian marathoner's third marathon since getting pregnant. She first competed in the Honolulu Marathon in December 2025, unaware she was pregnant. The next month, she knew she was in her first trimester and ran the Houston Marathon, which she won in a time of 2:24:17.
Third time's the charm for her, she explained to Runner's World, and the April 20 race will be her “last proper race” for a while. “The body will need recovery more than normal at the minute."
She explained that training for marathons, even while pregnant, was a necessity. “It would almost be weird for me to just stop training and not have any goals,” she said. “Because I race a lot, it's just what I know. It's what fires me up. It's what gets me through the training blocks."
"So just to have something during this pregnancy — otherwise it's a long nine months. And it's not just nine months, is it? It's a long time to not have any goals," she said.
As for the race itself, she said the "second half was flawless,” while the first half "was absolutely chaos," with her right glute causing her some tension. Despite that, she was able to get medical aid and averaged 6:16 per mile, with a time of 2:43:58, ultimately earning 65th place.
Calli Haugher-Thackery has run three marathons during her pregnancy.
Calli Haugher-Thackery finished the Boston Marathon in 65th place.
Calli Haugher-Thackery ran the Boston Marathon at 22 weeks pregnant.
Her average pace during the Boston Marathon was 6:16 per mile.
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Calli Hauger-Thacker competing in the Boston Marathon on April 21, 2025,
Credit: Erica Denhoff/Icon Sportswire via Getty
Hauger-Thackery celebrated the occasion with an Instagram post highlighting how "grateful" she feels to be running, even if it "looks a little different."
"Tomorrow I have no real goal other than to try and get me and our little legend our FIFTH finishers medal together," her Sunday, April 19 Instagram caption read. "Me and my little teammate taking on our third marathon together (what the heck)."
"I cannot wait to tell him all about this in his future when I'm lining up on this start line in years to come when he's all grown up 💁♀️," she wrote. The professional runner also thanked the "other pregnant mummas taking on start lines and doing epic things while growing a human & all the women who fought to make this even possible 🥺. "
Hauger-Thackery also shared she was able to meet with Kathrine Switzer, the first woman to run the Boston Marathon, ahead of the 2026 race. "Hearing @kathrineswitzer story and getting to meet her in person really put it all into perspective as to how far we have come," the Olympian wrote. "I feel really lucky that I've felt so supported on this journey I'm on."
She also gave a sweet shoutout to her husband, who also competed, writing, "Wowwww, the stars really did align for us this year 🥹." He ran 2:12:05 for 34th place in the pro men's field.
Read the original article on People