Completed Event: Men's Track & Field at Ken O’Brien Pre-Conference Invitational on April 26, 2025 ,
Final

Men's Track & Field
at Ken O’Brien Pre-Conference Invitational

Men's Track & Field
at Ken O’Brien Pre-Conference Invitational

Men's Track & Field
at Jay Carisella Coaches Invitational

Men's Track & Field
at Ivy League Outdoor Track & Field Championships

Men's Track & Field
at UMass Last Chance Qualifier

Men's Track & Field
at MIT Final Qualifier

2009 Season: At the Dartmouth Relays, Jonathan placed 5th overall in the Men's Heptathlon. His best event in the Heptathlon was the 60 M Hurdles which he placed 3rd in. At Yale, versus Yale and Columbia, Essington placed 5th in the Men's Pole Vault and 4th in the Men's Long Jump.
| 2008-09 Highs | ||
| Heptathalon | 4281 | Dart. Relays 1/10 |
| Decathlon | 6205 | Heps 5/10 |
| 60 m | 7.40 | Dart. Relays 1/9 |
| 100 m | 11.47 | Heps. 5/9 |
| 400 m | 50.95 | Heps. 5/9 |
| 1000 m | 2:59.84 | Dart. Relays 1/10 |
| 60 HH | 9.04 | Yale-Col. 1/18 |
| 55 HH | 8.48 | Terrier 1/24 |
| 110 HH | 16.37 | Heps. 5/10 |
| High Jump | 1.83/6-0 | Heps. 5/9 |
| Pole Vault | 3.55/11-7.75 | Heps. 5/10 |
| Long Jump | 6.49/21-3.5 | Dart. Relays 1/18 |
| Shot Put | 11.76/38-7 | Heps. 5/10 |
| Discus | 35.96/118-0 | Dartmouth 4/18 |