Anne Flower didn’t totally decide to operating the 2025 Leadville 100 Mile till about two weeks earlier than the occasion. She had by no means run 100 miles earlier than and was nervous about getting injured or having to take a very long time off from operating afterward to recuperate. However, she’d earned an computerized entry into the race — twice — earlier in the summertime by successful each the 2025 Silver Rush 50 Mile and the 2025 Leadville Path Marathon, and operating 100 miles was on what she calls her “Child Bucket Record,” issues to do earlier than beginning a household.
Flower signed up for the race with the straightforward aim of ending. Her attain aim was to complete earlier than it acquired too late into the night time, and he or she says the dream aim was to complete within the prime 10, possibly on the rostrum, if the whole lot went effectively.
Because the operating world is aware of effectively by now, Flower broke Ann Trason’s 31-year-old course report by simply over eight minutes with a time of 17:58:19 and completed second general on the race.

Anne Flower on her option to setting a brand new girls’s course report on the 2025 Leadville 100 Mile. All photographs courtesy of Anne Flower until in any other case famous.
In an ultrarunning world highlighted by elite athletes focusing a whole 12 months’s effort on a single race and dealing with a group of pros to extract each ounce of efficiency from their physique and thoughts on race day, Flower appears to be the Sort B persona who reveals as much as begin traces with a “let’s see what occurs” angle.
She works full-time as an emergency room physician in Colorado Springs, Colorado, doesn’t practice with a coach, chooses her races based mostly on thrilling geographies and locations to go to, and has minimal motivation to pursue operating in any form of full-time, skilled method. She ran Leadville in a pair of discontinued Hoka Tecton X 2 footwear that she purchased off eBay, and is at a degree in her life the place she has the angle to grasp that there are issues much more necessary to her than operating.
No matter how Flower continues to pursue the game, her win at Leadville was historic, and her strategy to operating and racing is fascinatingly far out of the norm for performances of that caliber.
Draw of the Outdoor
Flower grew up in Cincinnati, Ohio, with soccer as her ardour. She performed on journey groups from age six and says that she was ok that taking part in in faculty would have been a viable path ahead. There was only one small concern: All all through her childhood years, Flower’s mother and father, who have been academics, would take the household for holidays out west. She says, “They’d pack us within the van and we’d go Silverton, Ouray, Telluride, Jackson Gap, that form of factor, tenting and doing all of that form of stuff.” She developed a love for the outside at an early age and admits, “I actually needed to be a ski bum.”
Sadly, faculty sports activities scholarships and actions resembling snowboarding don’t combine effectively, one thing Flower realized round her junior 12 months of highschool. She stopped taking part in membership soccer and began to search for “some profession the place I may ski, bike, do outdoorsy issues possibly throughout the week and never a lot on the weekends.”
That want landed her in faculty in Denver, Colorado, the place she admits, “I didn’t know the proximity between Denver and the true Entrance Vary mountains. I believed that I used to be going to get this very mountainous expertise, which I did. I simply needed to go away each weekend to get that.” Her profession selection was emergency drugs, largely because of the shift scheduling, which might afford her loads of time to play within the mountains. Of the profession, she says, “It’s essentially the most thrilling 5 minutes of each specialty. You get to do all of the cool stuff after which not a lot the follow-up.”
After ending faculty in Denver, Flower ended up at Ohio College for medical faculty. Whereas there, in 2016, she ran her first street marathon, saying, “I believed it was actually enjoyable. It was good to have an enormous aim.” Two years later, she certified for the 2020 U.S. Olympic Trials Marathon. She’s nonchalant about operating the Trials, saying, “It was unbelievable. However I used to be simply watching and having fun with whereas I used to be technically operating it as effectively. However I don’t suppose I completed within the prime 40 or 50, and that was positive.”
Turning to Ultras
In 2019, for her thirtieth birthday, Flower signed up for the Useless Horse Extremely 50 Mile in Moab, Utah. She says, “I like Moab. It’s considered one of my happiest locations.” Wanting to place in an enormous operating effort in a spot near her coronary heart, and realizing that she’d completed street marathons earlier than, she says, “I believed I’d be capable of do at the very least 30 or 40 miles.”
Flower gained the race by greater than 20 minutes. She was residing in Kentucky on the time, doing her medical residency, and he or she says, “The one individuals who cared have been the individuals who have been at that race.” She goes on to say, “I needed to maintain racing, however really for me it was getting to chill locations and having a extremely huge, adventurous day. Successful and stuff was cool, however it’s not like I used to be doing it for the money prizes or the notoriety or something like that.”

Anne Flower atop the 2023 Useless Horse Extremely 50k girls’s podium (l-to-r): 2. Giselle Slotboom, 1. Anne Flower, and three. Genevieve Lillis. Picture: Mad Moose Occasions
Flower continued to race ultras, racking up a string of spectacular outcomes together with wins on the 2021 Crested Butte Extremely 55k, 2022 Pikes Peak Extremely 50k, 2024 Javelina 100k, and most not too long ago, the 2025 Leadville Path Marathon and 2025 Silver Rush 50 Mile. The races she selected, together with many extra in Moab through the years, have been a great excuse to go to locations she liked.
Whereas many runners discovering success within the extremely world would contemplate placing the remainder of their lives on maintain to pursue athletics, Flower was dedicated to her personal path. She says, “I actually needed to do emergency drugs. I landed the residency I needed, and as soon as I used to be lastly allowed to be a part of the membership of emergency drugs, there was no manner I used to be going to provide that away for one thing like operating.”
After successful the Leadville Path Marathon and Silver Rush 50 Mile earlier this summer season, each of which provided coveted computerized entries to the Leadville 100 Mile, Flower nonetheless wasn’t sure she needed to tackle the 100-mile distance. She says, “I’d performed 100 kilometers on the finish of final 12 months, and I believed that may be so long as I needed to go. I like 50ks. I believe they’re a implausible distance. They’re a lot enjoyable, however you’re not damaged, and a few days later, you may run once more.”

The 2025 Leadville 100 Mile girls’s podium (left to proper): 3. Lea Mulligan, 1. Anne Flower, 2. Imogen Ainsworth.
Flower had heard too many tales of individuals operating 100 miles after which not desirous to run once more for a very long time afterward. She laughs when she says, “I didn’t need to dislike the game as a result of I had tried too onerous.” Her largest worry? Getting damage and never having the ability to run for the remainder of the 12 months.
Nonetheless, the draw of the Leadville 100 Mile proved to be too robust, and after feeling match after a summer season of operating, she signed up.
Nearly all of her coaching consisted of 1 or two longer runs every week in Cheyenne Canyon or on Pikes Peak, each close to her residence in Colorado Springs. Different occasions, she accompanied her pals, who had coaches and structured coaching, on their exercises. On days that she labored, it’s was a 40-minute street run earlier than her shift to assist her get centered for the day.
Working Leadville
Flower says that she doesn’t get nervous earlier than races by maintaining the entire scenario in perspective, saying, “I can cease at any time. It’s not that dangerous.” She realizes the dearth of nerves is a little bit of an anomaly. “I do suppose that there’s some superpower in that.” She had an AirBnB in Leadville the night time earlier than the race that she left at 3:45 a.m. earlier than the 4 a.m. begin, walked to the beginning line, and didn’t enable herself any time to let nerves creep in.
She says she began conservatively, particularly over the rocks and roots round Turquoise Lake within the early miles of the race. Flower handed the race chief, Katie Asmuth, round mile 23, however says, “I handed her when she needed to go use the restroom, so I believed for positive she’d be again any minute. I knew there have been different quick girls behind me, so I wasn’t anticipating to be there lengthy.”

Anne Flower on her option to a brand new girls’s course report on the 2025 Leadville 100 Mile. Picture: Life Time
However Flower was having a day. She says, “Popping out of Outward Sure, there’s this actually flowy aspen tree part earlier than you get to Twin Lakes at mile 40 that was simply pleasant. It was essentially the most snug operating. The climate was nice. The aspens are turning. It was simply stunning.”
Her race plan was to run to Hope Go in “50k-style,” hike over the cross, after which, “hopefully be capable of run residence.”
If Flower’s crew, which consisted of her companion, in addition to Hannah Allgood and Gil Allgood, knew she was forward of report splits, they didn’t inform her. She says, “My crew is fairly good. They have been telling me, ‘You’re doing superior. Maintain shifting. You’re wanting robust. You’re shifting. Simply preserve going.’”
Flower picked up Gil as a pacer at mile 87 and says having somebody to speak to was an enormous enhance. She says, “We have been shifting quick. He was pushing me to run quicker, and my physique felt fairly good.” About two miles from the end, Flower handed Justin Grunewald and his pacer, Kyle Pietari. Flower says that it was Pietari who checked out his watch and defined that Trason’s course report was inside her attain, saying, “It’s important to go now. Quick.”
Flower says, “I like the final mile of most races. I don’t know if I’m simply so blissful for it to be performed or I’m so excited to get to the end, however there have been only a few races, even after I’m having a horrible race, that the final mile, I can’t pull out some vitality from someplace.” Crossing the road in 17:58:19 was a end result that few, not to mention Flower herself, would have predicted.
Of the end, she says, “It was so cool. It was so electrical. There have been lights all over the place. I may see my pals and the whole lot like that. It was phenomenal. I believe it’s nonetheless sinking in.”
When requested if something went mistaken throughout her run, Flower pauses to ponder. “My shoe was rubbing a few occasions, and so I ended and retied my footwear.”
The Leadville Aftermath
Flower went straight again to work in her emergency room after the race earlier than taking a little bit of time without work to go to Scotland along with her companion, a visit that was on his “Child Bucket Record.” She doesn’t have any huge plans for the remainder of the summer season, or for her racing subsequent 12 months, however is approaching it with the identical informal outlook as she at all times has.
When requested if she thinks her newfound prominence within the operating world would change how she’s considered at races, she laughs, “I’m not fearful about that.”
She does know that she needs to begin a household, however doesn’t see having children as one thing that may cease her from displaying as much as begin traces. She says, “Ideally, we get pregnant a few times, be good with that, then I might undoubtedly need to do the Hardrock 100. I’m very interested by Hardrock. Give me the large Colorado mountain races.”
She goes on to say, “I might like to stack up in opposition to people who find themselves actually, actually quick simply to see what that’s like.”

Anne Flower celebrates her win on the 2025 Leadville 100 Mile with race administrators Ken Chlouber and Merilee Maupin.
However so far as chasing sponsorship offers within the short-term, Flower says, “I simply don’t know the place that matches in my life proper now.” She says, “I need to run without end, however I’m not going to be by chance successful races for a very long time. I see that there’s stuff that’s possibly extra long-term that I ought to be specializing in.”
Unintended or not, Flower’s win at Leadville can be remembered for a very long time as one which confirmed that maybe one doesn’t want a hyper-regimented plan, long-term objectives, and ideal preparation to seek out success within the sport.

Anne Flower breaks Ann Trason’s 31-year-old course report on the 2025 Leadville 100 Mile. Picture: Life Time
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