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BOSTON MARATHON 2024

Moira Cassidy

Bib: 23340•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F60-64)
#0 / 549
Top 32%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:33
Rank: #20769
Start → 5K
9:11/mi
28:33 split
10K· 6.21 mi
57:25
Rank: #20781 (-12)
5K → 10K
9:17/mi
28:52 split
15K· 9.32 mi
1:26:26
Rank: #20560 (+221)
10K → 15K
9:20/mi
29:01 split
20K· 12.43 mi
1:55:52
Rank: #20184 (+376)
15K → 20K
9:28/mi
29:26 split
Half· 13.11 mi
2:02:07
Rank: #20132 (+52)
20K → Half
9:10/mi
6:15 split
25K· 15.53 mi
2:25:30
Rank: #19742 (+390)
Half → 25K
9:39/mi
23:23 split
30K· 18.64 mi
2:56:39
Rank: #19295 (+447)
25K → 30K
10:02/mi
31:09 split
20M
3:10:24
Rank: #19089 (+206)
30K → 20M
10:07/mi
13:45 split
21M
3:21:04
Rank: #18858 (+231)
20M → 21M
10:40/mi
10:40 split
35K· 21.75 mi
3:28:24
Rank: #18754 (+104)
21M → 35K
9:48/mi
7:20 split
23M
3:41:28
Rank: #18595 (+159)
35K → 23M
10:26/mi
13:04 split
24M
3:51:50
Rank: #18521 (+74)
23M → 24M
10:22/mi
10:22 split
40K· 24.85 mi
4:00:45
Rank: #18440 (+81)
24M → 40K
10:26/mi
8:55 split
25.2M
4:04:43
Rank: #18391 (+49)
40K → 25.2M
11:30/mi
3:58 split
Finish· 26.22 mi
4:14:57
Rank: #18356 (+35)
25.2M → Finish
10:03/mi
10:14 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:07
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:12:50
Pace10:08 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:28:2828:339:1128:33
9:11
-
10K
6.21 mi11:57:2057:259:1428:52
9:17
+0:06
15K
9.32 mi12:26:211:26:269:1629:01
9:20
+0:03
20K
12.43 mi12:55:471:55:529:1929:26
9:28
+0:08
Half
13.11 mi13:02:022:02:079:196:15
9:10
-0:18
25K
15.53 mi13:25:252:25:309:2223:23
9:39
+0:29
30K
18.64 mi13:56:342:56:399:2931:09
10:02
+0:23
20M
20.00 mi14:10:193:10:249:3113:45
10:07
+0:05
21M
21.00 mi14:20:593:21:049:3410:40
10:40
+0:33
35K
21.75 mi14:28:193:28:249:357:20
9:48
-0:52
23M
23.00 mi14:41:233:41:289:3813:04
10:26
+0:38
24M
24.00 mi14:51:453:51:509:4010:22
10:22
-0:04
40K
24.85 mi15:00:404:00:459:418:55
10:26
+0:04
25.2M
25.20 mi15:04:384:04:439:433:58
11:30
+1:04
Finish
26.22 mi15:14:524:14:579:4410:14
10:03
-1:27

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

9:10 /mi

Average Pace

9:44 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:30

57% of race

Time at Steady Pace

1:02:28

25% of race

Time at Slower Pace

46:59

18% of race

Average Pace: 9:43 /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 mi11:28:2828:339:1128:33
9:11
#20769
10K
6.21 mi11:57:2057:259:1428:52
9:17
#20781
15K
9.32 mi12:26:211:26:269:1629:01
9:20
#20560
20K
12.43 mi12:55:471:55:529:1929:26
9:28
#20184
Half
13.11 mi13:02:022:02:079:196:15
9:10
#20132
25K
15.53 mi13:25:252:25:309:2223:23
9:39
#19742
30K
18.64 mi13:56:342:56:399:2931:09
10:02
#19295
20M
20.00 mi14:10:193:10:249:3113:45
10:07
#19089
21M
21.00 mi14:20:593:21:049:3410:40
10:40
#18858
35K
21.75 mi14:28:193:28:249:357:20
9:48
#18754
23M
23.00 mi14:41:233:41:289:3813:04
10:26
#18595
24M
24.00 mi14:51:453:51:509:4010:22
10:22
#18521
40K
24.85 mi15:00:404:00:459:418:55
10:26
#18440
25.2M
25.20 mi15:04:384:04:439:433:58
11:30
#18391
Finish
26.22 mi15:14:524:14:579:4410:14
10:03
#18356
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi207698285828520156(Top 79%)7861(Top 72%)7861(Top 1432%)
10K6.21 mi3.10 mi20781-128261+248261+2420762(Top 81%)8233(Top 75%)8233(Top 1500%)
15K9.32 mi3.11 mi20560+2218118+1438118+14320156(Top 79%)7861(Top 72%)7861(Top 1432%)
20K12.43 mi3.11 mi20184+3767921+1977921+19719111(Top 75%)7328(Top 67%)7328(Top 1335%)
Half13.11 mi0.68 mi20132+527893+287893+2818963(Top 74%)7316(Top 67%)7316(Top 1333%)
25K15.53 mi2.42 mi19742+3907710+1837710+18318028(Top 71%)6842(Top 63%)6842(Top 1246%)
30K18.64 mi3.11 mi19295+4477535+1757535+17517441(Top 68%)6757(Top 62%)6757(Top 1231%)
20M20.00 mi1.36 mi19089+2067453+827453+8216881(Top 66%)6661(Top 61%)6661(Top 1213%)
21M21.00 mi1.00 mi18858+2317350+1037350+10315377(Top 60%)6020(Top 55%)6020(Top 1097%)
35K21.75 mi0.75 mi18754+1047316+347316+3416566(Top 65%)6648(Top 61%)6648(Top 1211%)
23M23.00 mi1.25 mi18595+1597250+667250+6616881(Top 66%)6856(Top 63%)6856(Top 1249%)
24M24.00 mi1.00 mi18521+747231+197231+1917485(Top 68%)7199(Top 66%)7199(Top 1311%)
40K24.85 mi0.85 mi18440+817198+337198+3316496(Top 65%)6754(Top 62%)6754(Top 1230%)
25.2M25.20 mi0.35 mi18391+497183+157183+1516101(Top 63%)6600(Top 60%)6600(Top 1202%)
Finish26.22 mi1.02 mi18356+357199-167199-1618557(Top 73%)7761(Top 71%)7761(Top 1414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21stories
+97ft-345ft

Overall

20156

Females

7861

F60-64

7861

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20762

Females

8233

F60-64

8233

10K→15K

6.2 - 9.3 mi

Top 79%
×3stories
+67ft-78ft

Overall

20156

Females

7861

F60-64

7861

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19111

Females

7328

F60-64

7328

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

18963

Females

7316

F60-64

7316

Half→25K

13.1 - 15.5 mi

Top 71%
×4stories
+66ft-88ft

Overall

18028

Females

6842

F60-64

6842

25K→30K

15.5 - 18.6 mi

Top 68%
×9stories
+181ft-148ft

Overall

17441

Females

6757

F60-64

6757

30K→20M

18.6 - 20.0 mi

Top 66%
×5stories
+64ft-50ft

Overall

16881

Females

6661

F60-64

6661

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15377

Females

6020

F60-64

6020

21M→35K

21.0 - 21.8 mi

Top 65%
×7stories
+17ft-86ft

Overall

16566

Females

6648

F60-64

6648

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

16881

Females

6856

F60-64

6856

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

17485

Females

7199

F60-64

7199

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

16496

Females

6754

F60-64

6754

40K→25.2M

24.9 - 25.2 mi

Top 63%
×1story
+13ft-16ft

Overall

16101

Females

6600

F60-64

6600

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

18557

Females

7761

F60-64

7761

Passing Analysis

Category:
Athletes Passed
3035
Passed By
622
Net Change
+2413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20769
5K → 10K246258-12#20769#20781
10K → 15K326105+221#20781#20560
15K → 20K40832+376#20560#20184
20K → Half6210+52#20184#20132
Half → 25K41121+390#20132#19742
25K → 30K47831+447#19742#19295
30K → 20M21711+206#19295#19089
20M → 21M2409+231#19089#18858
21M → 35K11612+104#18858#18754
35K → 23M18829+159#18754#18595
23M → 24M10632+74#18595#18521
24M → 40K9918+81#18521#18440
40K → 25.2M567+49#18440#18391
25.2M → Finish8247+35#18391#18356
TOTALS3035622+2413
📊

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