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Mathilda DeCosse
Bethesda-Chevy Chase · Class of 2026
72 resultsTrack & Field2022–20263 first-place finishes
WrappedYour 2026 Outdoor Track season, WrappedRaces, wins, PRs and rankings as cards for your Instagram StoryShare it →
| Event / course | Mark | Meet | Date |
|---|---|---|---|
| 100 Meters · OutdoorMPSSAA 4A South Region Championships · May 16 | 13.65a | MPSSAA 4A South Region Championships | May 16, 2024 |
| 100 Meters · Outdoor · Hand timedB-CC at Winston Churchill · Apr 9 | 13.7h | B-CC at Winston Churchill | April 9, 2024 |
| 200 Meters · OutdoorB-CC HS and Wootton HS at WJ · Apr 30 | 28.09a | B-CC HS and Wootton HS at WJ | April 30, 2024 |
| 200 Meters · Outdoor · Hand timedB-CC and Whitman at Churchill · Apr 29 | 27.9h | B-CC and Whitman at Churchill | April 29, 2025 |
| 300 Meters · IndoorMCPS #3 · Jan 6 | 46.94a | MCPS #3 | January 6, 2026 |
| 400 Meters · OutdoorMPSSAA 4A West Region Championships · May 12 | 1:02.69a | MPSSAA 4A West Region Championships | May 12, 2026 |
| 400 Meters · Outdoor · Hand timedB-CC at Winston Churchill · Apr 9 | 1:06.8h | B-CC at Winston Churchill | April 9, 2024 |
| Long Jump · IndoorMCPS Meet #3 · Dec 20 | 12-06.50 | MCPS Meet #3 | December 20, 2022 |
| Triple Jump · IndoorMCPS #2 · Dec 16 | 31' 11" | MCPS #2 | December 16, 2025 |
| Triple Jump · OutdoorMCPS Outdoor County Championships · May 6 | 34' 1.25" | MCPS Outdoor County Championships | May 6, 2025 |
Best marks from the meets included here. Cross Country bests are grouped by course and distance.
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| May 12 | MPSSAA 4A West Region ChampionshipsMay 12 · Triple Jump · Place 5 · Bethesda-Chevy Chase | Triple Jump | 5. | 33' 5.5" | 12 |
| May 12 | MPSSAA 4A West Region ChampionshipsMay 12 · 400 Meters · Place 13 · Bethesda-Chevy Chase | 400 Meters | 13. | 1:02.69a PB | 12 |
| May 6 | MCPS Outdoor County ChampionshipsMay 6 · Triple Jump · Place 7 · Bethesda-Chevy Chase | Triple Jump | 7 | 33-9.5 | 12 |
| May 6 | MCPS Outdoor County ChampionshipsMay 6 · 400 Meters · Place 21 · Bethesda-Chevy Chase | 400 Meters | 21 | 1:03.10a | 12 |
| Apr 21 | BCC & Wootton @ WJApr 21 · Triple Jump · Place 1 · Bethesda-Chevy Chase | Triple Jump | 1 | 33-6.5 | 12 |
| Apr 21 | BCC & Wootton @ WJApr 21 · 400 Meters · Place 2 · Bethesda-Chevy Chase | 400 Meters | 2 | 1:03.50a | 12 |
| Apr 18 | Trojan InvitationalApr 18 · Triple Jump · Place 7 · Bethesda-Chevy Chase | Triple Jump | 7. | 32' 5" | 12 |
| Apr 18 | Trojan InvitationalApr 18 · 400 Meters · Place 13 · Bethesda-Chevy Chase | 400 Meters | 13. | 1:03.82a | 12 |
| Apr 11 | DMV Wildcat InvitationalApr 11 · Triple Jump · Place 7 · Bethesda-Chevy Chase | Triple Jump | 7 | 32-6 | 12 |
| Apr 11 | DMV Wildcat InvitationalApr 11 · 400 Meters · Place 12 · Bethesda-Chevy Chase | 400 Meters | 12 | 1:05.45a | 12 |
| Mar 28 | Quince Orchard Cougar RelaysMar 28 · Triple Jump · Place 4 · Bethesda-Chevy Chase | Triple Jump | 4 | 32-6.75 | 12 |
| Mar 24 | Whitman @ B-CC Divisional MeetMar 24 · Triple Jump · Place 1 · Bethesda-Chevy Chase | Triple Jump | 1. | 31' 11.5" | 12 |
| Mar 24 | Whitman @ B-CC Divisional MeetMar 24 · 400 Meters · Place 1 · Bethesda-Chevy Chase | 400 Meters | 1. | 1:05.31a | 12 |
| Mar 2 | Outdoor Tryouts 2026Mar 2 · Standing Long Jump · Bethesda-Chevy Chase | Standing Long Jump | — | DNS | 12 |
| Mar 2 | Outdoor Tryouts 2026Mar 2 · Medicine Ball Throw OHB · Bethesda-Chevy Chase | Medicine Ball Throw OHB | — | DNS | 12 |
| Mar 2 | Outdoor Tryouts 2026Mar 2 · 1600 Meters · Place 15 · Bethesda-Chevy Chase | 1600 Meters | 15. | 6:49.3Unofficial | 12 |
| Mar 2 | Outdoor Tryouts 2026Mar 2 · 400 Meters · Place 2 · Bethesda-Chevy Chase | 400 Meters | 2. | 1:07.1Unofficial | 12 |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Jan 10 | Montgomery InvitationalJan 10 · Triple Jump · Place 16 · Bethesda-Chevy Chase | Triple Jump | 16 | 31-11 | 12 |
| Jan 6 | MCPS #3Jan 6 · Triple Jump · Place 3 · Bethesda-Chevy Chase | Triple Jump | 3 | 32-2 | 12 |
| Jan 6 | MCPS #3Jan 6 · 300 Meters · Place 25 · Bethesda-Chevy Chase | 300 Meters | 25 | 46.94a PB | 12 |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Dec 19 | The Solstice Games 2025Dec 19 · 200 Meters · Place 3 · Bethesda-Chevy Chase | 200 Meters | 3. | 29.3Unofficial | 12 |
| Nov 15 | Indoor Track and Field Tryouts 2025-26Nov 15 · Standing Long Jump · Bethesda-Chevy Chase | Standing Long Jump | — | DNS | 12 |
| Nov 15 | Indoor Track and Field Tryouts 2025-26Nov 15 · Medicine Ball Throw OHB · Bethesda-Chevy Chase | Medicine Ball Throw OHB | — | DNS | 12 |
| May 15 | MPSSAA 4A South Region ChampionshipsMay 15 · Triple Jump · Place 5 · Bethesda-Chevy Chase | Triple Jump | 5. | 32' 7.25" | 11 |
| May 6 | MCPS Outdoor County ChampionshipsMay 6 · Triple Jump · Place 8 · Bethesda-Chevy Chase | Triple Jump | 8. | 34' 1.25" PB | 11 |
| Apr 29 | B-CC and Whitman at ChurchillApr 29 · Triple Jump · Place 2 · Bethesda-Chevy Chase | Triple Jump | 2 | 33-00.00 | 11 |
| Apr 29 | B-CC and Whitman at ChurchillApr 29 · 200 Meters · Place 7 · Bethesda-Chevy Chase | 200 Meters | 7 | 27.9h PB | 11 |
| Apr 12 | Woodward Track & Field RelaysApr 12 · Triple Jump · Place 4 · Bethesda-Chevy Chase | Triple Jump | 4. | 32' 8.50"Wind: 0 | 11 |
| Apr 8 | Wootton vs. BCCApr 8 · 100 Meters · Place 21 · Bethesda-Chevy Chase | 100 Meters | 21 | 18.31a | 11 |
| Apr 5 | DMV Wildcat InvitationalApr 5 · Triple Jump · Place 8 · Bethesda-Chevy Chase | Triple Jump | 8 | 32-6 | 11 |
| Mar 29 | Quince Orchard Cougar RelaysMar 29 · Triple Jump · Place 10 · Bethesda-Chevy Chase | Triple Jump | 10 | 33-6 | 11 |
| Mar 25 | WJ at BCCMar 25 · Triple Jump · Place 2 · Bethesda-Chevy Chase | Triple Jump | 2 | 31-10.5 | 11 |
| Mar 25 | WJ at BCCMar 25 · 400 Meters · Place 2 · Bethesda-Chevy Chase | 400 Meters | 2 | 1:05.30a | 11 |
| Mar 1 | Outdoor Tryouts 2025Mar 1 · 1600 Meters · Place 22 · Bethesda-Chevy Chase | 1600 Meters | 22. | 6:40.3Unofficial | 11 |
| Mar 1 | Outdoor Tryouts 2025Mar 1 · 400 Meters · Place 8 · Bethesda-Chevy Chase | 400 Meters | 8. | 1:08.9Unofficial | 11 |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Dec 16 | MCPS #2Dec 16 · Triple Jump · Place 3 · Bethesda-Chevy Chase | Triple Jump | 3. | 31' 11" PB | 12 |
| Dec 9 | MCPS #1Dec 9 · Triple Jump · Place 4 · Bethesda-Chevy Chase | Triple Jump | 4. | 31' 7.5" | 12 |
| Jan 22 | MCPS Indoor ChampionshipsJan 22 · Triple Jump · Place 4 · Bethesda-Chevy Chase | Triple Jump | 4 | 33-8.5 | — |
| Jan 13 | MCPS Meet #3Jan 13 · 300 Meters · Place 18 · Bethesda-Chevy Chase | 300 Meters | 18 | 47.48a | — |
| Jan 11 | Montgomery InvitationalJan 11 · Triple Jump · Place 14 · Bethesda-Chevy Chase | Triple Jump | 14 | 32-9.25 | — |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Dec 17 | MCPS Meet #2Dec 17 · 300 Meters · Place 17 · Bethesda-Chevy Chase | 300 Meters | 17. | 47.50a | 11 |
| Dec 17 | MCPS Meet #2Dec 17 · Triple Jump · Place 9 · Bethesda-Chevy Chase | Triple Jump | 9. | 30' 7.5 | 11 |
| Dec 4 | MCPS ScrimmageDec 4 · Triple Jump · Bethesda-Chevy Chase | Triple Jump | — | DNS | 11 |
| Jan 23 | MCPS ChampionshipsJan 23 · Triple Jump · Place 12 · Bethesda-Chevy Chase | Triple Jump | 12 | 29-7 | — |
| Jan 13 | 2024 Montgomery Invitational Jan 13 · Triple Jump · Place 35 · Bethesda-Che | Triple Jump | 35 | 28-06.00 | — |
| Jan 13 | 2024 Montgomery Invitational Jan 13 · 300 Meters · Place 68 · Bethesda-Che | 300 Meters | 68 | 48.09 | — |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Nov 15 | Indoor Track and Field Tryouts 2024Nov 15 · 400 Meters · Place 6 · Bethesda-Chevy Chase | 400 Meters | 6. | 1:11.6Unofficial | 11 |
| Nov 15 | Indoor Track and Field Tryouts 2024Nov 15 · 100 Meters · Place 7 · Bethesda-Chevy Chase | 100 Meters | 7. | 14.4Unofficial | 11 |
| May 16 | MPSSAA 4A South Region ChampionshipsMay 16 · Triple Jump · Place 8 · Bethesda-Chevy Chase | Triple Jump | 8. | 31-01.00 | 10 |
| May 16 | MPSSAA 4A South Region ChampionshipsMay 16 · 400 Meters · Place 16 · Bethesda-Chevy Chase | 400 Meters | 16. | 1:04.98a | 10 |
| May 16 | MPSSAA 4A South Region ChampionshipsMay 16 · 200 Meters · Place 23 · Bethesda-Chevy Chase | 200 MetersRound P | 23. | 28.79a | 10 |
| May 16 | MPSSAA 4A South Region ChampionshipsMay 16 · 100 Meters · Place 16 · Bethesda-Chevy Chase | 100 MetersRound P | 16. | 13.65a PB | 10 |
| May 8 | Montgomery County Public Schools ChampionshipMay 8 · Triple Jump · Place 14 · Bethesda-Chevy Chase | Triple Jump | 14 | 31-0.5 | — |
| Apr 30 | B-CC HS and Wootton HS at WJApr 30 · Triple Jump · Place 3 · Bethesda-Chevy Chase | Triple Jump | 3. | 32' 5 | 10 |
| Apr 30 | B-CC HS and Wootton HS at WJApr 30 · 200 Meters · Place 5 · Bethesda-Chevy Chase | 200 Meters | 5. | 28.09a PB | 10 |
| Apr 30 | B-CC HS and Wootton HS at WJApr 30 · 100 Meters · Place 5 · Bethesda-Chevy Chase | 100 Meters | 5. | 13.69a | 10 |
| Apr 27 | The Gator Track & Field InvitationalApr 27 · Triple Jump · Place 28 · Bethesda-Chevy Chase | Triple Jump | 28. | 28-05.75Wind: 0 | 10 |
| Apr 20 | Trojan InvitationalApr 20 · Triple Jump · Place 5 · Bethesda-Chevy Chase | Triple Jump | 5 | 30-3 | — |
| Apr 13 | 29th Annual Chuck Zonis InvitationalApr 13 · 200 Meters · Place 17 · Bethesda-Chevy Chase | 200 Meters | 17 | 29.67a | — |
| Apr 9 | B-CC at Winston ChurchillApr 9 · Triple Jump · Place 3 · Bethesda-Chevy Chase | Triple Jump | 3 | 29-2 | — |
| Apr 9 | B-CC at Winston ChurchillApr 9 · 400 Meters · Place 5 · Bethesda-Chevy Chase | 400 Meters | 5 | 1:06.8h PB | — |
| Apr 9 | B-CC at Winston ChurchillApr 9 · 100 Meters · Place 6 · Bethesda-Chevy Chase | 100 Meters | 6 | 13.7h PB | — |
| Apr 6 | Quince Orchard Cougar RelaysApr 6 · Triple Jump · Place 6 · Bethesda-Chevy Chase | Triple Jump | 6 | 30-5 | — |
| Apr 3 | Whitman @ B-CC - Dual Meet - 2024Apr 3 · 200 Meters · Place 5 · Bethesda-Chevy Chase | 200 Meters | 5 | 29.1 | — |
| Mar 1 | B-CC Outdoor Tryouts 2024Mar 1 · 400 Meters · Place 8 · Bethesda-Chevy Chase | 400 Meters | 8 | 1:09.4 | — |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Dec 5 | 2023-2024 MCPS #1 Polar Bear at Winston ChurchillDec 5 · 55 Meter · Place 9 · Bethesda-Chevy Chase | 55 Meter | 9. | 8.30Unofficial | 10 |
| Dec 5 | 2023-2024 MCPS #1 Polar Bear at Winston ChurchillDec 5 · Triple Jump · Place 2 · Bethesda-Chevy Chase | Triple Jump | 2. | 28-03.00Unofficial | 10 |
| Date | Meet | Event | Pl | Mark | Gr |
|---|---|---|---|---|---|
| Dec 20 | MCPS Meet #3Dec 20 · Triple Jump · Place 14 · Bethesda-Chevy Chase | Triple Jump | 14. | 26-05.00 | 9 |
| Dec 20 | MCPS Meet #3Dec 20 · Long Jump · Place 14 · Bethesda-Chevy Chase | Long Jump | 14. | 12-06.50 PB | 9 |
| Dec 13 | MCPS Meet #2Dec 13 · Triple Jump · Place 12 · Bethesda-Chevy Chase | Triple Jump | 12. | 26-09.00 | 9 |
| Dec 6 | MCPS Meet #1Dec 6 · Triple Jump · Place 11 · Bethesda-Chevy Chase | Triple Jump | 11. | 26-05.00 | 9 |
| Dec 6 | MCPS Meet #1Dec 6 · Long Jump · Place 19 · Bethesda-Chevy Chase | Long Jump | 19. | 12-06.50 | 9 |