| Athletics |
2009 European Athletics U23 Championships |
Kaunas |
 LTU |
400 m Hurdles, Women |
🥈 |
 GBR |
as Eilidh Child |
| Athletics |
2010 Commonwealth Games |
Delhi |
 IND |
400 m Hurdles, Women |
🥈 |
 SCO |
as Eilidh Child |
| Athletics |
2013 European Athletics Indoor Championships |
Göteborg |
 SWE |
400 m, Women |
🥈 |
GBR |
as Eilidh Child |
| Athletics |
2013 European Athletics Indoor Championships |
Göteborg |
SWE |
4 x 400 m Relay, Women |
🥇 |
GBR |
as Eilidh Child |
| Athletics |
2013 World Athletics Championships |
Moskva |
 RUS |
4 x 400 m Relay, Women |
🥈 |
GBR |
|
| Athletics |
2014 World Athletics Indoor Championships |
Sopot |
 POL |
4 x 400 m Relay, Women |
🥉 |
GBR |
as Eilidh Child |
| Athletics |
2014 Commonwealth Games |
Glasgow |
SCO |
400 m Hurdles, Women |
🥈 |
SCO |
as Eilidh Child |
| Athletics |
2014 European Athletics Championships |
Zürich |
 SUI |
400 m Hurdles, Women |
🥇 |
GBR |
as Eilidh Child |
| Athletics |
2014 European Athletics Championships |
Zürich |
SUI |
4 x 400 m Relay, Women |
🥉 |
GBR |
as Eilidh Child |
| Athletics |
2015 World Athletics Relays |
Nassau |
 BAH |
4 x 400 m Relay, Women |
🥉 |
GBR |
as Eilidh Child |
| Athletics |
2015 World Athletics Championships |
Beijing |
 CHN |
4 x 400 m Relay, Women |
🥉 |
GBR |
|
| Athletics |
2016 European Athletics Championships |
Amsterdam |
 NED |
4 x 400 m Relay, Women |
🥇 |
GBR |
as Eilidh Doyle |
| Athletics |
2017 European Athletics Indoor Championships |
Beograd |
 SRB |
4 x 400 m Relay, Women |
🥈 |
GBR |
as Eilidh Doyle |
| Athletics |
2017 World Athletics Championships |
London |
GBR |
4 x 400 m Relay, Women |
🥈 |
GBR |
|
| Athletics |
2018 World Athletics Indoor Championships |
Birmingham |
GBR |
400 m, Women |
🥉 |
GBR |
as Eilidh Doyle |
| Athletics |
2018 Commonwealth Games |
Gold Coast |
 AUS |
4 x 400 m Relay, Women |
6 |
SCO |
as Eilidh Doyle |
| Athletics |
2018 Commonwealth Games |
Gold Coast |
AUS |
400 m Hurdles, Women |
🥈 |
SCO |
as Eilidh Doyle |
| Athletics |
2018 European Athletics Championships |
Berlin |
 GER |
4 x 400 m Relay, Women |
🥉 |
GBR |
as Eilidh Doyle |
| Athletics |
2019 European Athletics Indoor Championships |
Glasgow |
GBR |
4 x 400 m Relay, Women |
🥈 |
GBR |
as Eilidh Doyle |