Ireland's leading triathletes came to Letterkenny for a major national duathlon event at the weekend.
In the national series standard distance, the race winner was previous lrish champion Paul Carroll from Olympian Triathlon club.
He finished in one hour 50 minutes for the 10km run, 40km bike, and 5km run.
Killian Heery finished second in 1:50.22 while Gavin Corey was third in 1:52.45.
Best of the 24/7 triathlon club (Letterkenny) was the current national series champion Aidan Callaghan.
The stand out performance came from local athlete Danny Mooney posting his fastest 10km fastest 5km runs.
In the ladies category in the same national series standard distance race local athlete Siobhan Gallagher was the overall winner in 2:17.28, fighting a hotly contested battle with seasoned athlete Hannah Shields who was just behind in 2:17.48.
The second race of the day was the shorter sprint distance of 3.2k run - a 20km bike - and a 3.2km run, and what a battle it was with an open field of 83 athletes.
The winner was Sean Cosgrove in a time of 53.06 minutes followed closely by Odhran McKane in 53.46.
The best local 247 triathlete in an impressive time of 58.35 and finishing in 7th place in his first outing as a duathlete was Jason King.
First lady in the sprint duathlon was Sonia Nox in a time of 1.00.10 followed into second was Catherine Woods with 1.02.42. In a highly impressive third place was local 247 triathlete Evelyn Boyle in 1.07.16.
An outstanding result came in from 16-year old junior triathlete and winner from last year's Tri a Tri, Laura Black, winning First Junior lady and 6th lady over all in 1.10.05.