| |
| IAAF World Junior Championships, 22 - 27 July, 2014, Eugene, USA | Representing |
| 23 July | Under-20 Men | 400 Metres Hurdles | HEAT 7 | 2 | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 52.79 | Q | | Great Britain & Northern Ireland |
| 24 July | Under-20 Men | 400 Metres Hurdles | S-FINAL 2 | 7 | Jacob Paul | (Windsor, Slough, Eton & Hounslow AC) | 54.36 | | | Great Britain & Northern Ireland |
| 25 July | Under-20 Men | 4 X 100 Metres Relay | HEAT 1 | - | Marvin Popoola (Leg 4) | (Herne Hill Harriers) | DNF | | | Great Britain & Northern Ireland |
| 22 July | Under-20 Women | 1st Day Total | HEPT | 1 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 3821pts | | | Great Britain & Northern Ireland |
| 22 July | Under-20 Women | 200 Metres | HEPT | 3h3 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 24.64/-0.5 | | | Great Britain & Northern Ireland |
| 23 July | Under-20 Women | 800 Metres | HEPT | 2h3 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 2:21.06 | | | Great Britain & Northern Ireland |
| 22 July | Under-20 Women | 100 Metres Hurdles | HEPT | 4h3 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 14.29/0.3 | | | Great Britain & Northern Ireland |
| 24 July | Under-20 Women | 400 Metres Hurdles | HEAT 3 | 2 | Shona Richards | (Windsor, Slough, Eton & Hounslow AC) | 58.37 | Q | | Great Britain & Northern Ireland |
| 25 July | Under-20 Women | 400 Metres Hurdles | S-FINAL 2 | 1 | Shona Richards | (Windsor, Slough, Eton & Hounslow AC) | 57.08 | Q | | Great Britain & Northern Ireland |
| 26 July | Under-20 Women | 400 Metres Hurdles | FINAL | 2 | Shona Richards | (Windsor, Slough, Eton & Hounslow AC) | 56.16 | | UK U20 & Surrey U20 record | Great Britain & Northern Ireland |
| 25 July | Under-20 Women | 4 X 100 Metres Relay | HEAT 3 | - | Imani Lansiquot (Leg 3) | (Sutton & Cheam Harriers) | DNF | | | Great Britain & Northern Ireland |
| 27 July | Under-20 Women | 4 X 400 Metres Relay | FINAL | 2 | Shona Richards (Leg 1) | (Windsor, Slough, Eton & Hounslow AC) | 3:32.00 | | | Great Britain & Northern Ireland |
| 25 July | Under-20 Women | High Jump | QUAL B | 3 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.85m | Q | | Great Britain & Northern Ireland |
| 27 July | Under-20 Women | High Jump | FINAL | 1 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.93m | | | Great Britain & Northern Ireland |
| 22 July | Under-20 Women | High Jump | HEPT | 1 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 1.94m | | UK U20 & Surrey U20 & Sen rec. | Great Britain & Northern Ireland |
| 23 July | Under-20 Women | Long Jump | HEPT | 4 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 5.90m/-0.4 | | | Great Britain & Northern Ireland |
| 22 July | Under-20 Women | Shot Putt | HEPT | 1 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 14.17m | | | Great Britain & Northern Ireland |
| 23 July | Under-20 Women | Javelin Throw | HEPT | 6 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 41.66m | | | Great Britain & Northern Ireland |
| 23 July | Under-20 Women | Heptathlon | FINAL | 1 | Morgan Lake | (Windsor, Slough, Eton & Hounslow AC) | 6148pts | | World Youth Best & Surrey rec. | Great Britain & Northern Ireland |
