| 14 | 08:43 | J15.4X+ | 49 | (125) Windsor Boys School (Turner) | (126) Norwich School (Baker) | |
| 15 | 08:45 | J15.4X+ | 51 | (131) Windsor Boys School (Malkowski) | (132) Oundle School (Roeloffs) | |
| 16 | 08:47 | J15.4X+ | 52 | (134) Pangbourne College | (135) Windsor Boys School (Mingret Acevedo) | |
| 49 | 10:02 | J15.4X+ | 97 | Winner of Race 14 | (127) Oundle School (Gilbert) | |
| 50 | 10:04 | J15.4X+ | 97 | (128) Royal Grammar School, High Wycombe (Hayes) | (129) Star Club | |
| 51 | 10:06 | J15.4X+ | 98 | (130) Royal Grammar School, High Wycombe (Fisher) | Winner of Race 15 | |
| 52 | 10:08 | J15.4X+ | 98 | (133) Norwich School (Latter Casas) | Winner of Race 16 | |
| 97 | 11:52 | J15.4X+ | 137 | Winner of Race 49 | Winner of Race 50 | |
| 98 | 11:54 | J15.4X+ | 137 | Winner of Race 51 | Winner of Race 52 | |
| 137 | 13:24 | J15.4X+ | | Winner of Race 97 | Winner of Race 98 | |
| |
| 13 | 08:41 | B1.J14.4X+ | 44 | (143) Abingdon School (Kelso) | (144) Pangbourne College (Tozer) | |
| 41 | 09:44 | B1.J14.4X+ | 93 | (136) Bedford School (Pugsley) | (137) Royal Grammar School, High Wycombe (Patel) | |
| 42 | 09:46 | B1.J14.4X+ | 93 | (138) Star Club | (139) Norwich School (Hawkes) | |
| 43 | 09:49 | B1.J14.4X+ | 94 | (140) St Paul's School (Yu) | (141) Oundle School | |
| 44 | 09:51 | B1.J14.4X+ | 94 | (142) Shiplake College (Walton) | Winner of Race 13 | |
| 93 | 11:43 | B1.J14.4X+ | 136 | Winner of Race 41 | Winner of Race 42 | |
| 94 | 11:45 | B1.J14.4X+ | 136 | Winner of Race 43 | Winner of Race 44 | |
| 136 | 13:22 | B1.J14.4X+ | | Winner of Race 93 | Winner of Race 94 | |
| |
| 11 | 08:36 | B2.J14.4X+ | 37 | (145) St Paul's School (Daffey) | (146) Norwich School (Secker) | |
| 12 | 08:38 | B2.J14.4X+ | 40 | (153) St Paul's School (Isaacs) | (154) Royal Grammar School, High Wycombe (Large) | |
| 37 | 09:36 | B2.J14.4X+ | 91 | Winner of Race 11 | (147) Bedford School (Hendry) | |
| 38 | 09:38 | B2.J14.4X+ | 91 | (148) Abingdon School (Bibic) | (149) Shiplake College (Studdert-Kennedy) | |
| 39 | 09:40 | B2.J14.4X+ | 92 | (150) St Paul's School (Mungovan) | (151) Norwich School (Holgate) | |
| 40 | 09:42 | B2.J14.4X+ | 92 | (152) Pangbourne College (Wells) | Winner of Race 12 | |
| 91 | 11:39 | B2.J14.4X+ | 135 | Winner of Race 37 | Winner of Race 38 | |
| 92 | 11:41 | B2.J14.4X+ | 135 | Winner of Race 39 | Winner of Race 40 | |
| 135 | 13:20 | B2.J14.4X+ | | Winner of Race 91 | Winner of Race 92 | |