Hailey Cossey

Mount Si High School • 2025 • WA

1000

RANGE

1600m

966

4:50.26

3200m

962

10:24.56

800m

885

2:16.56

5K XC

873

17:40.40

Peak: 966 • 1.04x • 3 groups

Hailey Cossey

Mount Si High School • 2025 • WA

N/A

6000mCC

921

21:09.00

4000mCC

863

14:02.00

Peak: 966 • 1.04x • 3 groups

Trophy Case

'25 3200m

State Champion

Class Rankings

Graduation Year 2025

#374

Nation

#8

State

Wins Against

Max: 1250

1500m

888

Points

4:42.58

Personal Record

Sort:

Date	Meet	Mark	Place	Points
April 25, 2025 HS	Nike/Jesuit Twilight Relays	4:42.58	17	888

1600m

966

Points

4:50.26

Personal Record

Sort:

Date	Meet	Mark	Place	Points
May 31, 2025 HS	WIAA 2A, 3A, 4A State Championships	4:50.26	4	966
May 17, 2025 HS	Kingco 2A/3A/4A Championships	4:52.99	3	948
April 6, 2024 HS	Arnie Young Invite	4:56.29	1	926
May 24, 2025 HS	2A/3A/4A Kingco-Metro-Wesco District	4:56.84	3	922
May 17, 2024 HS	4A District 1 & 2 Championships	4:58.25	2	913
May 9, 2025 HS	Liberty Twilight	4:59.94	2	902
April 25, 2025 HS	Nike/Jesuit Twilight Relays	5:00.36	16	899
April 5, 2025 HS	Arnie Young Invitational	5:02.62	1	885
May 20, 2023 HS	2A/3A/4A Sea-King District 2 Championships w/ District 1 and Dis	5:03.56	8	879
May 11, 2024 HS	Kingco 2A/3A/4A League Championships	5:05.13	4	869
May 5, 2023 HS	Liberty Twilight	5:05.45	7	867
May 25, 2024 HS	WIAA 2A, 3A, 4A State Championships	5:05.83	10	864
March 23, 2024 HS	Issaquah Icebreaker Invite	5:07.75	3	852
May 13, 2023 HS	Kingco 2A, 3A & 4A Championships	5:10.82	8	833
May 13, 2023 HS	Kingco Championships	5:10.82	8	833
April 8, 2023 HS	Arnie Young Invite	5:13.45	6	816
April 29, 2023 HS	Shoreline Invitational	5:13.78	4	814
April 23, 2022 HS	Gear Up Eason Invitational	5:19.26	13	780
May 6, 2022 HS	Last Chance Invitational	5:26.25	1	739
April 2, 2022 HS	Arnie Young Invite	5:28.95	8	723
May 13, 2022 HS	2A/3A/4A Kingco Championship (11th-14th)	5:29.88	16	717
March 29, 2022 HS	Mount Si vs Inglemoor	5:30.70	1	713
March 23, 2022 HS	Mt. Si vs. Skyline	5:44.77	2	633

2mile

915

Points

10:44.88

Personal Record

Sort:

Date	Meet	Mark	Place	Points
April 20, 2024 HS	Oregon Relays	10:44.88	8	915

2mile_cc

805

Points

11:25.50

Personal Record

Sort:

Date	Meet	Mark	Place	Points
Dec. 7, 2024 HS	Washington XC Senior All-Star Race	11:25.50	2	805
Sept. 11, 2024 HS	Conference Class Races/Jamboree	11:39.00	3	770
Sept. 2, 2021 HS	Kingco Pre-Season 2-Mile Class Races	12:40.00	4	620

3000m

896

Points

10:06.01

Personal Record

Sort:

Date	Meet	Mark	Place	Points
April 20, 2024 HS	Oregon Relays	10:06.01	12	896

3200m

962

Points

10:24.56

Personal Record

Sort:

Date	Meet	Mark	Place	Points
May 31, 2025 HS	WIAA 2A, 3A, 4A State Championships	10:24.56	1	962
May 17, 2025 HS	Kingco 2A/3A/4A Championships	10:33.76	2	935
May 24, 2025 HS	2A/3A/4A Kingco-Metro-Wesco District	10:34.24	1	934
April 10, 2025 HS	Redmond @ Mt Si	10:35.44	1	931
April 20, 2024 HS	Oregon Relays	10:41.88	9	912
May 25, 2024 HS	WIAA 2A, 3A, 4A State Championships	10:53.12	5	881
May 17, 2024 HS	4A District 1 & 2 Championships	10:54.38	4	877
March 28, 2024 HS	Skyline @ Mount Si	10:54.45	1	877
May 20, 2023 HS	2A/3A/4A Sea-King District 2 Championships w/ District 1 and Dis	11:02.43	5	855
April 19, 2023 HS	Eastlake @ Mount Si	11:34.10	1	771
May 13, 2023 HS	Kingco 2A, 3A & 4A Championships	11:43.40	5	747
May 13, 2022 HS	2A/3A/4A Kingco Championship (11th-14th)	11:53.35	13	722
April 30, 2022 HS	Shoreline Invitational	11:54.60	1	719
April 23, 2022 HS	Gear Up Eason Invitational	11:55.52	9	716
April 6, 2022 HS	Mount Si vs Issaquah	12:09.14	1	683
May 6, 2022 HS	Last Chance Invitational	12:13.51	3	672

400m

643

Points

1:06.17

Personal Record

Sort:

Date	Meet	Mark	Place	Points
April 28, 2022 HS	Mt Si at Newport	1:06.17	3	643

4000m_cc

863

Points

14:02.00

Personal Record

Sort:

Date	Meet	Mark	Place	Points
Aug. 29, 2025 HS	WSU Alumni Open	14:02.00	6	863

5000m_cc

873

Points

17:40.40

Personal Record

Sort:

Date	Meet	Mark	Place	Points
Oct. 12, 2024 HS	NIKE HOLE IN THE WALL XC INVITATIONAL	17:40.40	6	873
Sept. 17, 2024 HS	Cedarcrest, Eastlake, Inglemoor @ Mt Si	17:44.60	2	866
Sept. 28, 2024 HS	Nike Portland XC	17:52.90	6	852
Sept. 26, 2023 HS	Issaquah, Woodinville @ Mt Si	17:53.00	2	852
Nov. 2, 2024 HS	District 1 and 2 XC Championships	17:54.20	1	850
Oct. 12, 2023 HS	KingCo Crest & Crown @ Mt. Si	17:57.70	3	844
Nov. 9, 2024 HS	WIAA State XC Championships	17:58.70	2	843
Oct. 28, 2023 HS	District 1 XC Championships	18:04.10	3	834
Oct. 16, 2024 HS	South Kingco 6-way Meet	18:10.00	2	824
Nov. 11, 2023 HS	NXR Northwest Regional Championships	18:19.50	22	809
Nov. 16, 2024 HS	NXR Northwest Regional Championships	18:21.20	22	806
Sept. 28, 2022 HS	Issaquah, Newport, Woodinville @ Mount Si	18:21.70	3	805
Oct. 21, 2022 HS	KingCo League XC Championships	18:26.10	7	798
Nov. 4, 2023 HS	WIAA State XC Championships	18:29.00	5	794
Oct. 29, 2022 HS	District 1 and 2 XC Championships	18:32.40	4	788
Sept. 24, 2022 HS	Nike Portland XC	18:36.90	25	781
Oct. 8, 2022 HS	Nike Hole in the Wall XC Invitational	18:43.10	18	771
Oct. 7, 2023 HS	NIKE -- HOLE IN THE WALL XC INVITATIONAL	18:44.70	18	769
Oct. 26, 2024 HS	2A, 3A. 4A Kingco Conference Cross Country Championship Meet	18:50.20	2	760
Oct. 20, 2023 HS	2A / 3A / 4A KingCo Conference Cross Country Championships	18:51.60	10	758
Oct. 30, 2021 HS	District 1 XC Championships	18:52.30	6	757
Nov. 6, 2021 HS	4A WIAA State XC Meet	18:52.70	5	756
Sept. 16, 2023 HS	BROOKS Fort Steilacoom Invitational	19:01.00	10	743
Nov. 5, 2022 HS	Washington State Cross Country Championships	19:03.50	10	739
Oct. 9, 2021 HS	NIKE HOLE IN THE WALL XC INVITATIONAL	19:16.70	62	719
Sept. 17, 2022 HS	Fort Steilacoom Invitational	19:16.80	10	719
Sept. 25, 2021 HS	Bellevue Cross Country Invitational	19:20.80	1	713
Sept. 7, 2022 HS	Bothell, Woodinville @ Mount Si	19:22.00	2	711
Oct. 13, 2021 HS	North Creek, Redmond, Skyline vs. Mt. Si	19:31.00	5	697
Oct. 23, 2021 HS	Kingco Championships	20:03.99	24	649
Sept. 22, 2021 HS	Inglemoor, Redmond, Woodinville vs Mt. Si	19:31:16.00	3	1

6000m_cc

921

Points

21:09.00

Personal Record

Sort:

Date	Meet	Mark	Place	Points
Sept. 12, 2025 HS	WSU Classic Invitational	21:09.00	4	921

800m

885

Points

2:16.56

Personal Record

Sort:

Date	Meet	Mark	Place	Points
May 3, 2025 HS	South Sound Classic Presented by Washington State Fair	2:16.56	6	885
March 26, 2025 HS	Mt Si @ Liberty HS	2:21.44	1	811
April 6, 2024 HS	Arnie Young Invite	2:24.18	3	770
April 4, 2023 HS	Mt. Si @ Skyline	2:29.23	1	699

mile

901

Points

5:01.97

Personal Record

Sort:

Date	Meet	Mark	Place	Points
April 25, 2025 HS	Nike/Jesuit Twilight Relays	5:01.97	15	901

Mile

Event Group

966

Points

4:50.26

Personal Record

1600m

Event

Date	Event	Meet	Mark	Place	Points
May 31, 2025 HS	1600m	WIAA 2A, 3A, 4A State Championships	4:50.26	4	966
May 17, 2025 HS	1600m	Kingco 2A/3A/4A Championships	4:52.99	3	948
April 6, 2024 HS	1600m	Arnie Young Invite	4:56.29	1	926
May 24, 2025 HS	1600m	2A/3A/4A Kingco-Metro-Wesco District	4:56.84	3	922
May 17, 2024 HS	1600m	4A District 1 & 2 Championships	4:58.25	2	913
May 9, 2025 HS	1600m	Liberty Twilight	4:59.94	2	902
April 25, 2025 HS	Mile	Nike/Jesuit Twilight Relays	5:01.97	15	901
April 25, 2025 HS	1600m	Nike/Jesuit Twilight Relays	5:00.36	16	899
April 25, 2025 HS	1500m	Nike/Jesuit Twilight Relays	4:42.58	17	888
April 5, 2025 HS	1600m	Arnie Young Invitational	5:02.62	1	885
May 20, 2023 HS	1600m	2A/3A/4A Sea-King District 2 Championships w/ District 1 and Dis	5:03.56	8	879
May 11, 2024 HS	1600m	Kingco 2A/3A/4A League Championships	5:05.13	4	869
May 5, 2023 HS	1600m	Liberty Twilight	5:05.45	7	867
May 25, 2024 HS	1600m	WIAA 2A, 3A, 4A State Championships	5:05.83	10	864
March 23, 2024 HS	1600m	Issaquah Icebreaker Invite	5:07.75	3	852
May 13, 2023 HS	1600m	Kingco 2A, 3A & 4A Championships	5:10.82	8	833
May 13, 2023 HS	1600m	Kingco Championships	5:10.82	8	833
April 8, 2023 HS	1600m	Arnie Young Invite	5:13.45	6	816
April 29, 2023 HS	1600m	Shoreline Invitational	5:13.78	4	814
April 23, 2022 HS	1600m	Gear Up Eason Invitational	5:19.26	13	780
May 6, 2022 HS	1600m	Last Chance Invitational	5:26.25	1	739
April 2, 2022 HS	1600m	Arnie Young Invite	5:28.95	8	723
May 13, 2022 HS	1600m	2A/3A/4A Kingco Championship (11th-14th)	5:29.88	16	717
March 29, 2022 HS	1600m	Mount Si vs Inglemoor	5:30.70	1	713
March 23, 2022 HS	1600m	Mt. Si vs. Skyline	5:44.77	2	633

Distance

Event Group

962

Points

10:24.56

Personal Record

3200m

Event

Date	Event	Meet	Mark	Place	Points
May 31, 2025 HS	3200m	WIAA 2A, 3A, 4A State Championships	10:24.56	1	962
May 17, 2025 HS	3200m	Kingco 2A/3A/4A Championships	10:33.76	2	935
May 24, 2025 HS	3200m	2A/3A/4A Kingco-Metro-Wesco District	10:34.24	1	934
April 10, 2025 HS	3200m	Redmond @ Mt Si	10:35.44	1	931
April 20, 2024 HS	2Mile	Oregon Relays	10:44.88	8	915
April 20, 2024 HS	3200m	Oregon Relays	10:41.88	9	912
April 20, 2024 HS	3000m	Oregon Relays	10:06.01	12	896
May 25, 2024 HS	3200m	WIAA 2A, 3A, 4A State Championships	10:53.12	5	881
May 17, 2024 HS	3200m	4A District 1 & 2 Championships	10:54.38	4	877
March 28, 2024 HS	3200m	Skyline @ Mount Si	10:54.45	1	877
May 20, 2023 HS	3200m	2A/3A/4A Sea-King District 2 Championships w/ District 1 and Dis	11:02.43	5	855
April 19, 2023 HS	3200m	Eastlake @ Mount Si	11:34.10	1	771
May 13, 2023 HS	3200m	Kingco 2A, 3A & 4A Championships	11:43.40	5	747
May 13, 2022 HS	3200m	2A/3A/4A Kingco Championship (11th-14th)	11:53.35	13	722
April 30, 2022 HS	3200m	Shoreline Invitational	11:54.60	1	719
April 23, 2022 HS	3200m	Gear Up Eason Invitational	11:55.52	9	716
April 6, 2022 HS	3200m	Mount Si vs Issaquah	12:09.14	1	683
May 6, 2022 HS	3200m	Last Chance Invitational	12:13.51	3	672

Cross Country

Event Group

921

Points

21:09.00

Personal Record

6000mCC

Event

Date	Event	Meet	Mark	Place	Points
Sept. 12, 2025 HS	6000mCC	WSU Classic Invitational	21:09.00	4	921
Oct. 12, 2024 HS	5K XC	NIKE HOLE IN THE WALL XC INVITATIONAL	17:40.40	6	873
Sept. 17, 2024 HS	5K XC	Cedarcrest, Eastlake, Inglemoor @ Mt Si	17:44.60	2	866
Aug. 29, 2025 HS	4000mCC	WSU Alumni Open	14:02.00	6	863
Sept. 28, 2024 HS	5K XC	Nike Portland XC	17:52.90	6	852
Sept. 26, 2023 HS	5K XC	Issaquah, Woodinville @ Mt Si	17:53.00	2	852
Nov. 2, 2024 HS	5K XC	District 1 and 2 XC Championships	17:54.20	1	850
Oct. 12, 2023 HS	5K XC	KingCo Crest & Crown @ Mt. Si	17:57.70	3	844
Nov. 9, 2024 HS	5K XC	WIAA State XC Championships	17:58.70	2	843
Oct. 28, 2023 HS	5K XC	District 1 XC Championships	18:04.10	3	834
Oct. 16, 2024 HS	5K XC	South Kingco 6-way Meet	18:10.00	2	824
Nov. 11, 2023 HS	5K XC	NXR Northwest Regional Championships	18:19.50	22	809
Nov. 16, 2024 HS	5K XC	NXR Northwest Regional Championships	18:21.20	22	806
Sept. 28, 2022 HS	5K XC	Issaquah, Newport, Woodinville @ Mount Si	18:21.70	3	805
Dec. 7, 2024 HS	2MileCC	Washington XC Senior All-Star Race	11:25.50	2	805
Oct. 21, 2022 HS	5K XC	KingCo League XC Championships	18:26.10	7	798
Nov. 4, 2023 HS	5K XC	WIAA State XC Championships	18:29.00	5	794
Oct. 29, 2022 HS	5K XC	District 1 and 2 XC Championships	18:32.40	4	788
Sept. 24, 2022 HS	5K XC	Nike Portland XC	18:36.90	25	781
Oct. 8, 2022 HS	5K XC	Nike Hole in the Wall XC Invitational	18:43.10	18	771
Sept. 11, 2024 HS	2MileCC	Conference Class Races/Jamboree	11:39.00	3	770
Oct. 7, 2023 HS	5K XC	NIKE -- HOLE IN THE WALL XC INVITATIONAL	18:44.70	18	769
Oct. 26, 2024 HS	5K XC	2A, 3A. 4A Kingco Conference Cross Country Championship Meet	18:50.20	2	760
Oct. 20, 2023 HS	5K XC	2A / 3A / 4A KingCo Conference Cross Country Championships	18:51.60	10	758
Oct. 30, 2021 HS	5K XC	District 1 XC Championships	18:52.30	6	757
Nov. 6, 2021 HS	5K XC	4A WIAA State XC Meet	18:52.70	5	756
Sept. 16, 2023 HS	5K XC	BROOKS Fort Steilacoom Invitational	19:01.00	10	743
Nov. 5, 2022 HS	5K XC	Washington State Cross Country Championships	19:03.50	10	739
Oct. 9, 2021 HS	5K XC	NIKE HOLE IN THE WALL XC INVITATIONAL	19:16.70	62	719
Sept. 17, 2022 HS	5K XC	Fort Steilacoom Invitational	19:16.80	10	719
Sept. 25, 2021 HS	5K XC	Bellevue Cross Country Invitational	19:20.80	1	713
Sept. 7, 2022 HS	5K XC	Bothell, Woodinville @ Mount Si	19:22.00	2	711
Oct. 13, 2021 HS	5K XC	North Creek, Redmond, Skyline vs. Mt. Si	19:31.00	5	697
Oct. 23, 2021 HS	5K XC	Kingco Championships	20:03.99	24	649
Sept. 2, 2021 HS	2MileCC	Kingco Pre-Season 2-Mile Class Races	12:40.00	4	620
Sept. 22, 2021 HS	5K XC	Inglemoor, Redmond, Woodinville vs Mt. Si	19:31:16.00	3	1

Long Sprints

Event Group

643

Points

1:06.17

Personal Record

400m

Event

Date	Event	Meet	Mark	Place	Points
April 28, 2022 HS	400m	Mt Si at Newport	1:06.17	3	643

Mid-D

Event Group

885

Points

2:16.56

Personal Record

800m

Event

Date	Event	Meet	Mark	Place	Points
May 3, 2025 HS	800m	South Sound Classic Presented by Washington State Fair	2:16.56	6	885
March 26, 2025 HS	800m	Mt Si @ Liberty HS	2:21.44	1	811
April 6, 2024 HS	800m	Arnie Young Invite	2:24.18	3	770
April 4, 2023 HS	800m	Mt. Si @ Skyline	2:29.23	1	699

Season Bests

Mile event group

1600m 2022 · Gear Up Eas…

5:19.26 780 pts

1600m 2023 · 2A/3A/4A Se…

5:03.56 879 pts

1600m 2024 · Arnie Young…

4:56.29 926 pts

1600m 2025 · WIAA 2A, 3A…

4:50.26 966 pts

Distance event group

3200m 2022 · 2A/3A/4A Ki…

11:53.35 722 pts

3200m 2023 · 2A/3A/4A Se…

11:02.43 855 pts

2Mile 2024 · Oregon Rela…

10:44.88 915 pts

3200m 2025 · WIAA 2A, 3A…

10:24.56 962 pts

Mid-D event group

800m 2023 · Mt. Si @ Sk…

2:29.23 699 pts

800m 2024 · Arnie Young…

2:24.18 770 pts

800m 2025 · South Sound…

2:16.56 885 pts

Cross Country event group

5000m 2021 · District 1 …

18:52.30 757 pts

5000m 2022 · Issaquah, N…

18:21.70 805 pts

5000m 2023 · Issaquah, W…

17:53.00 852 pts

5000m 2024 · NIKE HOLE I…

17:40.40 873 pts

Long Sprints event group

400m 2022 · Mt Si at Ne…

1:06.17 643 pts

Hailey Cossey

Hailey Cossey

Hailey Cossey

Hailey Cossey

Trophy Case

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Wins Against

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1500m

1600m

2mile

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3000m

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400m

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Cross Country

Long Sprints

Mid-D

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Hailey Cossey

Hailey Cossey

Hailey Cossey

Hailey Cossey

Trophy Case

Class Rankings

Wins Against

1500m

1600m

2mile

2mile_cc

3000m

3200m

400m

4000m_cc

5000m_cc

6000m_cc

800m

mile

Mile

Distance

Cross Country

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Mid-D

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