:Olivia Mathias

{{Short description|Welsh triathlete}}

{{Use dmy dates|date=May 2023}}

{{Infobox sportsperson

| name = Olivia Mathias

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| birth_date = {{birth date and age|1998|10|12|df=yes}}

| birth_place = Nottinghamshire, England

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| country = {{ubl|Great Britain|Wales}}

| sport = Triathlon

| rank =

| event = Individual, relay

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| worlds = 1

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| commonwealth = 2

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{{MedalSport | Triathlon }}

{{MedalCountry | {{WAL}} }}

{{MedalCompetition | Commonwealth Games }}

{{MedalSilver | 2022 Birmingham | Mixed relay }}

}}

Olivia Mathias (born 12 October 1998) is a Welsh professional triathlete.{{Cite web |title=Olivia Mathias – Team Wales |url=https://teamwales.cymru/en/athletes/olivia-mathias/ |access-date=29 August 2022 |website=teamwales.cymru}} She competed at the 2022 Commonwealth Games, in Mixed relay, winning a silver medal.{{Cite web |last=Toney |first=James |date=1 August 2022 |title=Welsh triathlete Olivia Mathias claims silver at Commonwealth Games |url=https://www.walesonline.co.uk/sport/uk-sport-news/welsh-triathlete-olivia-mathias-claims-24639042 |access-date=29 August 2022 |website=WalesOnline.co.uk}}{{Cite web |title=Olivia Mathias |url=https://www.birmingham2022.com/athletes/olivia-mathias/9a419840-6ef0-420b-9eb3-4d3d43e4efe1 |access-date=29 August 2022 |website=Birmingham2022.com |publisher=Birmingham Organising Committee for the 2022 Commonwealth Games Limited}}{{Cite web |date=1 August 2022 |title=Newark athlete wins team silver at Commonwealth Games |url=https://www.newarkadvertiser.co.uk/news/newark-athlete-wins-team-silver-at-commonwealth-games-9266750/ |access-date=29 August 2022 |website=NewarkAdvertiser.co.uk}}

She competed at the 2018 Commonwealth Games. In August 2019, she won silver in the women's U23 race at the Triathlon World Championships in Lausanne, Switzerland.{{cite web|url= https://www.echo-online.de/sport/weitere-sportarten/weitere-sportarten-suedhessen/lisa-tertsch-stuermt-zu-bronze-bei-triathlon-wm-1588196|website=Echo-online|accessdate=14 July 2024|title= Lisa Tertsch storms to bronze at Triathlon World Championships|date=31 August 2019}}

She competed at the 2022 Europe Triathlon Cup Kitzbühel, winning a gold medal.{{Cite web |title=Olivia Mathias (GBR) |url=https://www.triathlon.org/athletes/profile/olivia_mathias |access-date=29 August 2022 |website=World Triathlon}}