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Mark Heffern

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MaleAZMesa Aquatics Club

Also swam for Seville Country Club Sharks (2015–19), Unattached (2022–25). Best times below include every one of them.

44 events·614 swims·133 meets·Last raced Aug 3, 2026

Where Mark ranks

Current best: each age group's best time, against the swimmers in it now.

100 Fly SCM1:01.29
FastestField
MAC
Team
1
of 12
›
AZ
LSC
30
of 79
›
AZ
State
30
of 79
›
West
Zone
58
of 160
›
USA
National
153
of 375
›
Boys 17-18 · best in age group · set Jan 2025Tap a row for the list
Cuts Checker

Select a time standard above to see which events you qualify for.

Best Times
400 IM
SCY12 swims
BBBAAAAAAAAAA
#4 MAC#349 USA
BEST

3:54.57

2025-12-12

LCM10 swims
BBBAAAAAAAAAA0.27 to AAAA
#4 MAC#546 USA

4:35.96

2026-07-29

200 Free
SCY21 swims
BBBAAAAAAAAAA
#613 USA#6 MAC
BEST

1:38.01

2026-03-27

LCM21 swims
BBBAAAAAAAAAA2.59 to AAAA
#12 MAC#1,638 USA

1:57.28

2026-07-29

200 IM
SCY19 swims
BBBAAAAAAAAAA
#3 MAC#460 USA
BEST

1:48.81

2026-03-29

LCM16 swims
BBBAAAAAAAAAA
#2 MAC#513 USA

2:07.36

2025-07-26

200 Fly
SCY17 swims
BBBAAAAAAAAAA
#2 MAC#410 USA
BEST

1:48.07

2025-12-13

LCM13 swims
BBBAAAAAAAAAA
#5 MAC#525 USA

2:05.22

2025-07-23

100 Fly
SCY28 swims
BBBAAAAAAAAAA
#3 MAC#774 USA

48.87

2026-03-28

LCM30 swims
BBBAAAAAAAAAA
#2 MAC#541 USA
BEST

55.05

2026-07-29

100 Free
SCY38 swims
BBBAAAAAAAAAA0.07 to AAAA
#7 MAC#1,147 USA
BEST

45.36

2026-03-26

LCM34 swims
BBBAAAAAAAAAA
#5 MAC#1,041 USA

52.12

2026-08-03

50 Fly
SCY28 swims
BBBAAAAAAAAAA
#2 MAC#632 USA

22.96

2025-11-22

LCM13 swims
BBBAAAAAAAAAA
#3 MAC#893 USA

25.76

2025-07-24

50 Free
SCY38 swims
BBBAAAAAAAAAA0.12 to AAA
#4,023 USA#42 MAC

21.81

2024-11-23

LCM27 swims
BBBAAAAAAAAAA
#5 MAC#1,245 USA
BEST

23.99

2026-08-03

1650 Free
SCY5 swims
BBBAAAAAAAAAA32.40 to AAAA
#10 MAC#901 USA
BEST

16:24.19

2026-02-13

LCM4 swims
BBBAAAAAAAAAA41.88 to AAA
#22 MAC#1,630 USA

17:47.87

2024-05-27

500 Free
SCY8 swims
BBBAAAAAAAAAA4.19 to AAAA
#10 MAC#1,210 USA
BEST

4:36.58

2025-11-22

LCM7 swims
BBBAAAAAAAAAA2.99 to AAA
#21 MAC#1,934 USA

4:19.48

2025-05-26

100 Breast
SCY23 swims
BBBAAAAAAAAAA0.45 to AAAA
#3 MAC#947 USA
BEST

56.44

2026-02-28

LCM15 swims
BBBAAAAAAAAAA0.65 to AA

1:11.94

2022-07-17

50 Breast
SCY20 swims
BBBAAAAAAAAAA0.60 to AAAA
#4 MAC#909 USA

27.19

2025-02-17

LCM12 swims
BBBAAAAAAAAAA1.39 to AAA
#17 MAC#2,730 USA

33.08

2022-07-21

1000 Free
SCY4 swims
BBBAAAAAAAAAA26.52 to AAAA
#1,267 USA#20 MAC
BEST

9:56.71

2025-02-14

LCM5 swims
BBBAAAAAAAAAA10.34 to AA
#34 MAC#2,330 USA

9:27.23

2024-05-27

50 Back
SCY31 swims
BBBAAAAAAAAAA0.21 to AA

25.50

2023-03-03

LCM13 swims
BBBAAAAAAAAAA1.37 to AAAA

28.96

2024-03-21

200 Breast
SCY12 swims
BBBAAAAAAAAAA2.32 to AAA
#12 MAC#1,789 USA
BEST

2:09.81

2025-02-17

LCM4 swims
BBBAAAAAAAAAA1.37 to AA
#17 MAC#2,031 USA

2:36.76

2026-01-18

200 Back
SCY13 swims
BBBAAAAAAAAAA3.68 to AAA
#15 MAC#2,016 USA
BEST

1:56.77

2024-11-23

LCM6 swims
BBBAAAAAAAAAA3.46 to AAA
#9 MAC#1,626 USA

2:16.35

2025-05-23

100 Back
SCY27 swims
BBBAAAAAAAAAA0.60 to AAA
#12 MAC#1,880 USA
BEST

51.89

2024-11-08

LCM18 swims
BBBAAAAAAAAAA0.50 to AA
#28 MAC#3,645 USA

1:04.19

2023-07-01

100 IM
SCY7 swims

1:15.20

2019-09-21

800 Free
SCM1 swim
BBBAAAAAAAAAA14.26 to AAA
#2 MAC#38 USA

8:56.95

2025-01-24

200 Free
SCM1 swim
BBBAAAAAAAAAA2.92 to AAA
#53 West#133 USA

1:58.91

2025-01-25

50 Fly
SCM3 swims
BBBAAAAAAAAAA0.52 to AAA
#96 USA#2 MAC

27.11

2025-01-25

50 Breast
SCM1 swim
BBBAAAAAAAAAA1.32 to AAA
#31 West#89 USA

32.11

2025-01-26

50 Back
SCM2 swims
BBBAAAAAAAAAA0.22 to AA
#26 West#85 USA

28.11

2025-01-25

100 Fly
SCM1 swim
BBBAAAAAAAAAA1.90 to AA
#1 MAC#153 USA

1:01.29

2025-01-26

50 Free
SCM3 swims
BBBAAAAAAAAAA6.89 to B

37.28

2017-04-01

100 Free
SCM2 swims
BBBAAAAAAAAAA21.06 to B

1:27.75

2017-04-01

100 IM
SCM1 swim
#54 USA#1 MAC

1:02.14

2025-01-26

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Explore

USA Swimming time standards — 17-18 Boys

See how Mark's times rank nationally: 400 IM200 Free200 IM200 Fly200 IM (LCM)100 Fly (LCM)
Other Mesa Aquatics Club swimmers around Mark's age: JASON SUGIHARAStephen ArgabrightCohen GunsalusDaniel SchwendingerAva Moody