Kate O'Conner flew through the air with a leap of 6.37 meters, and with that single jump on Wednesday, she cemented her place at the top of the heptathlon standings at the Commonwealth Games in Glasgow.

The 25-year-old from Northern Ireland has been chasing gold since the seven-event competition began, and on Wednesday morning she moved even closer to her dream. After throwing a season's best 52.85 meters in the javelin—becoming the only athlete in the competition to break the 50-meter barrier—she widened her lead over England's Jade O'Dowda to 258 points.

Heptathlon is a grueling two-day test that asks athletes to compete in seven different events: the 100-meter hurdles, high jump, shot put, 200 meters, long jump, javelin, and 800 meters. O'Conner had already proven herself in the first four events on Tuesday, and she kept her momentum going through the morning's competitions.

"I'm really happy with how things have gone so far," O'Conner said after her javelin throw, according to team reports.

Her total score of 5,611 points puts her in a commanding position with just one event remaining: the 800-meter run, scheduled for 20:55 BST at Scotstoun Stadium on Wednesday evening.

Northern Ireland's Anna Macauley is also competing in the heptathlon, sitting eighth in the overall standings. She achieved a personal best of 6.23 meters in the long jump but managed 36.99 meters in the javelin.

O'Conner's path to this moment has been years in the making. The Belfast athlete has represented Northern Ireland at multiple international competitions, but a Commonwealth Games gold has eluded her—until now. If she holds her form through the final event, she will become the first Northern Irish woman to win the heptathlon at the Games.

The 800 meters is often called the decider in multi-event competitions, since it comes last and tests athletes when they're most exhausted. But with a 258-point advantage, O'Conner would need something very unusual to happen to lose her grip on gold.

The Scotstoun Stadium crowd is expected to be filled with Northern Ireland supporters cheering her across the finish line.