Adam Spaul, from Bicester Triathlon Club, excelled in an unexpected duathlon in the Bedford Priory Sprint.
The event consisted of a 2.5km run and a 5km bike ride, after the swimming had to be cancelled due to blue algae in the water.
With an overall time of 1hr 7mins 49secs, Spaul finished second overall and first in his age category.
Fellow club member Ali Nuttall completed the Lough Cutra Castle Triathlon in Ireland, consisting of a 1500m swim, a 27-mile bike and a 10km, in a time of 3.20.10.
Bicester’s Mick Thorne completed the Bayer Newbury multi-terrain 10k in a time 49.27.
Latest Sport news
12:00pm Sunday 4th October 2015
SEE the key moments as Oxford United won for the second time on the road in the space of five days with a 3-1 success at Accrington Stanley.
4:57pm Saturday 3rd October 2015
LIAM Sercombe scored twice in the final 11 minutes to give Oxford United their second away victory in five days.
6:08pm Saturday 3rd October 2015
1:56pm Saturday 3rd October 2015
All the news from Oxford United's trip to Accrington Stanley in Sky Bet League Two.
9:30am Saturday 3rd October 2015
DANNY Hylton says Oxford United need to ignore the unique challenges posed by a trip to Accrington Stanley if they are to secure back-to-back wins on the road.
8:20am Saturday 3rd October 2015
OXFORD United could name the same starting line-up for the fourth game in a row at in-form Accrington Stanley.
8:00am Saturday 3rd October 2015
THAME’S promotion to the Serious Cricket Home Counties Premier League has been approved.
7:20am Saturday 3rd October 2015
SEAN Walkinshaw is targeting silverware on his first visit to Misano this weekend in the penultimate round of the Blancpain Sprint Series.
6:40am Saturday 3rd October 2015
TOM Avery returns as Oxford City Stars host Solent Devils in English National League South Division 1 tomorrow (6.15).
6:20am Saturday 3rd October 2015
ELLIE Broome won bronze for Kidlington & Gosford at the Nuneaton Open meet.