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BOSTON MARATHON 2024

Sarah Mackay

Bib: 28322•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:58
Rank: #24291
Start → 5K
32:58 | 10:37/mi
10K· 6.21 mi
1:06:15
Rank: #24088 (+203)
5K → 10K
33:17 | 10:43/mi
15K· 9.32 mi
1:40:51
Rank: #24033 (+55)
10K → 15K
34:36 | 11:08/mi
20K· 12.43 mi
2:14:39
Rank: #23657 (+376)
15K → 20K
33:48 | 10:53/mi
Half· 13.11 mi
2:21:47
Rank: #23608 (+49)
20K → Half
7:08 | 10:27/mi
25K· 15.53 mi
2:48:47
Rank: #23317 (+291)
Half → 25K
27:00 | 11:08/mi
30K· 18.64 mi
3:24:55
Rank: #22953 (+364)
25K → 30K
36:08 | 11:38/mi
20M
3:40:47
Rank: #22804 (+149)
30K → 20M
15:52 | 11:41/mi
21M
3:53:00
Rank: #22644 (+160)
20M → 21M
12:13 | 12:13/mi
35K· 21.75 mi
4:02:00
Rank: #22620 (+24)
21M → 35K
9:00 | 12:02/mi
23M
4:16:30
Rank: #22472 (+148)
35K → 23M
14:30 | 11:35/mi
24M
4:28:38
Rank: #22438 (+34)
23M → 24M
12:08 | 12:08/mi
40K· 24.85 mi
4:38:51
Rank: #22366 (+72)
24M → 40K
10:13 | 11:57/mi
25.2M
4:42:59
Rank: #22302 (+64)
40K → 25.2M
4:08 | 11:59/mi
Finish· 26.22 mi
4:53:37
Rank: #22220 (+82)
25.2M → Finish
10:38 | 10:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:47
Pace10:49 /mi
2nd Half
Distance13.11 mi
Time2:31:50
Pace11:35 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5132:5810:3732:58
10:37
-
10K
6.21 mi12:27:081:06:1510:4033:17
10:43
+0:06
15K
9.32 mi13:01:441:40:5110:4934:36
11:08
+0:25
20K
12.43 mi13:35:322:14:3910:5033:48
10:53
-0:15
Half
13.11 mi13:42:402:21:4710:497:08
10:27
-0:26
25K
15.53 mi14:09:402:48:4710:5227:00
11:08
+0:41
30K
18.64 mi14:45:483:24:5511:0036:08
11:38
+0:30
20M
20.00 mi15:01:403:40:4711:0215:52
11:41
+0:03
21M
21.00 mi15:13:533:53:0011:0612:13
12:13
+0:32
35K
21.75 mi15:22:534:02:0011:089:00
12:02
-0:11
23M
23.00 mi15:37:234:16:3011:0914:30
11:35
-0:27
24M
24.00 mi15:49:314:28:3811:1212:08
12:08
+0:33
40K
24.85 mi15:59:444:38:5111:1310:13
11:57
-0:11
25.2M
25.20 mi16:03:524:42:5911:144:08
11:59
+0:02
Finish
26.22 mi16:14:304:53:3711:1210:38
10:26
-1:33

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

10:26 /mi

Average Pace

11:12 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:25

61% of race

Time at Steady Pace

1:54:12

39% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:12 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:53:5132:5810:3732:58
10:37
#24291
10K
6.21 mi12:27:081:06:1510:4033:17
10:43
#24088
15K
9.32 mi13:01:441:40:5110:4934:36
11:08
#24033
20K
12.43 mi13:35:322:14:3910:5033:48
10:53
#23657
Half
13.11 mi13:42:402:21:4710:497:08
10:27
#23608
25K
15.53 mi14:09:402:48:4710:5227:00
11:08
#23317
30K
18.64 mi14:45:483:24:5511:0036:08
11:38
#22953
20M
20.00 mi15:01:403:40:4711:0215:52
11:41
#22804
21M
21.00 mi15:13:533:53:0011:0612:13
12:13
#22644
35K
21.75 mi15:22:534:02:0011:089:00
12:02
#22620
23M
23.00 mi15:37:234:16:3011:0914:30
11:35
#22472
24M
24.00 mi15:49:314:28:3811:1212:08
12:08
#22438
40K
24.85 mi15:59:444:38:5111:1310:13
11:57
#22366
25.2M
25.20 mi16:03:524:42:5911:144:08
11:59
#22302
Finish
26.22 mi16:14:304:53:3711:1210:38
10:26
#22220
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24291101211012123892(Top 94%)9911(Top 91%)9911(Top 213%)
10K6.21 mi3.10 mi24088+20310005+11610005+11623894(Top 94%)9909(Top 91%)9909(Top 213%)
15K9.32 mi3.11 mi24033+559969+369969+3623892(Top 94%)9911(Top 91%)9911(Top 213%)
20K12.43 mi3.11 mi23657+3769775+1949775+19422410(Top 88%)9137(Top 84%)9137(Top 196%)
Half13.11 mi0.68 mi23608+499751+249751+2422569(Top 88%)9262(Top 85%)9262(Top 199%)
25K15.53 mi2.42 mi23317+2919631+1209631+12021755(Top 85%)8861(Top 81%)8861(Top 190%)
30K18.64 mi3.11 mi22953+3649471+1609471+16021285(Top 83%)8786(Top 80%)8786(Top 189%)
20M20.00 mi1.36 mi22804+1499415+569415+5620776(Top 81%)8635(Top 79%)8635(Top 185%)
21M21.00 mi1.00 mi22644+1609349+669349+6619298(Top 76%)7966(Top 73%)7966(Top 171%)
35K21.75 mi0.75 mi22620+249342+79342+721855(Top 86%)9279(Top 85%)9279(Top 199%)
23M23.00 mi1.25 mi22472+1489278+649278+6419835(Top 78%)8319(Top 76%)8319(Top 179%)
24M24.00 mi1.00 mi22438+349278927821716(Top 85%)9290(Top 85%)9290(Top 199%)
40K24.85 mi0.85 mi22366+729261+179261+1720364(Top 80%)8704(Top 80%)8704(Top 187%)
25.2M25.20 mi0.35 mi22302+649233+289233+2817369(Top 68%)7238(Top 66%)7238(Top 155%)
Finish26.22 mi1.02 mi22220+829211+229211+2219836(Top 78%)8398(Top 77%)8398(Top 180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21stories
+97ft-345ft

Overall

23892

Females

9911

F18-39

9911

5K→10K

3.1 - 6.2 mi

Top 94%
×5stories
+79ft-138ft

Overall

23894

Females

9909

F18-39

9909

10K→15K

6.2 - 9.3 mi

Top 94%
×3stories
+67ft-78ft

Overall

23892

Females

9911

F18-39

9911

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

22410

Females

9137

F18-39

9137

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

22569

Females

9262

F18-39

9262

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

21755

Females

8861

F18-39

8861

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

21285

Females

8786

F18-39

8786

30K→20M

18.6 - 20.0 mi

Top 81%
×5stories
+64ft-50ft

Overall

20776

Females

8635

F18-39

8635

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

19298

Females

7966

F18-39

7966

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

21855

Females

9279

F18-39

9279

35K→23M

21.8 - 23.0 mi

Top 78%
×5stories
+23ft-63ft

Overall

19835

Females

8319

F18-39

8319

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

21716

Females

9290

F18-39

9290

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

20364

Females

8704

F18-39

8704

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17369

Females

7238

F18-39

7238

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

19836

Females

8398

F18-39

8398

Passing Analysis

Category:
Athletes Passed
2413
Passed By
342
Net Change
+2071
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24291
5K → 10K28481+203#24291#24088
10K → 15K179124+55#24088#24033
15K → 20K3782+376#24033#23657
20K → Half545+49#23657#23608
Half → 25K3009+291#23608#23317
25K → 30K38218+364#23317#22953
30K → 20M16314+149#22953#22804
20M → 21M1644+160#22804#22644
21M → 35K4824+24#22644#22620
35K → 23M1524+148#22620#22472
23M → 24M5824+34#22472#22438
24M → 40K9119+72#22438#22366
40K → 25.2M651+64#22366#22302
25.2M → Finish9513+82#22302#22220
TOTALS2413342+2071
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing