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BOSTON MARATHON 2024

Cailin O'dwyer

Bib: 28923•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
30:39
Rank: #22669
Start → 5K
9:52/mi
30:39 split
10K· 6.21 mi
1:02:28
Rank: #22896 (-227)
5K → 10K
10:14/mi
31:49 split
15K· 9.32 mi
1:34:00
Rank: #22678 (+218)
10K → 15K
10:09/mi
31:32 split
20K· 12.43 mi
2:09:54
Rank: #22930 (-252)
15K → 20K
11:33/mi
35:54 split
Half· 13.11 mi
2:17:20
Rank: #22944 (-14)
20K → Half
10:54/mi
7:26 split
25K· 15.53 mi
2:45:47
Rank: #22934 (+10)
Half → 25K
11:44/mi
28:27 split
30K· 18.64 mi
3:24:56
Rank: #22957 (-23)
25K → 30K
12:36/mi
39:09 split
20M
3:42:08
Rank: #22930 (+27)
30K → 20M
12:39/mi
17:12 split
21M
3:56:22
Rank: #22934 (-4)
20M → 21M
14:14/mi
14:14 split
35K· 21.75 mi
4:05:00
Rank: #22867 (+67)
21M → 35K
11:32/mi
8:38 split
23M
4:20:28
Rank: #22820 (+47)
35K → 23M
12:21/mi
15:28 split
24M
4:33:07
Rank: #22815 (+5)
23M → 24M
12:39/mi
12:39 split
40K· 24.85 mi
4:43:05
Rank: #22733 (+82)
24M → 40K
11:39/mi
9:58 split
25.2M
4:47:47
Rank: #22714 (+19)
40K → 25.2M
13:38/mi
4:42 split
Finish· 26.22 mi
4:59:02
Rank: #22701 (+13)
25.2M → Finish
11:02/mi
11:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:20
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:41:42
Pace12:20 /mi
📊Positive Split: 17.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:2830:399:5230:39
9:52
-
10K
6.21 mi12:27:171:02:2810:0331:49
10:14
+0:22
15K
9.32 mi12:58:491:34:0010:0531:32
10:09
-0:05
20K
12.43 mi13:34:432:09:5410:2735:54
11:33
+1:24
Half
13.11 mi13:42:092:17:2010:297:26
10:54
-0:39
25K
15.53 mi14:10:362:45:4710:4028:27
11:44
+0:50
30K
18.64 mi14:49:453:24:5611:0039:09
12:36
+0:52
20M
20.00 mi15:06:573:42:0811:0617:12
12:39
+0:03
21M
21.00 mi15:21:113:56:2211:1514:14
14:14
+1:35
35K
21.75 mi15:29:494:05:0011:168:38
11:32
-2:42
23M
23.00 mi15:45:174:20:2811:1915:28
12:21
+0:49
24M
24.00 mi15:57:564:33:0711:2312:39
12:39
+0:18
40K
24.85 mi16:07:544:43:0511:239:58
11:39
-1:00
25.2M
25.20 mi16:12:364:47:4711:254:42
13:38
+1:59
Finish
26.22 mi16:23:514:59:0211:2511:15
11:02
-2:36

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

9:52 /mi

Average Pace

11:25 /mi

Slowest Pace

14:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:41

38% of race

Time at Steady Pace

1:22:57

28% of race

Time at Slower Pace

1:43:24

35% of race

Average Pace: 11:24 /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 mi11:55:2830:399:5230:39
9:52
#22669
10K
6.21 mi12:27:171:02:2810:0331:49
10:14
#22896
15K
9.32 mi12:58:491:34:0010:0531:32
10:09
#22678
20K
12.43 mi13:34:432:09:5410:2735:54
11:33
#22930
Half
13.11 mi13:42:092:17:2010:297:26
10:54
#22944
25K
15.53 mi14:10:362:45:4710:4028:27
11:44
#22934
30K
18.64 mi14:49:453:24:5611:0039:09
12:36
#22957
20M
20.00 mi15:06:573:42:0811:0617:12
12:39
#22930
21M
21.00 mi15:21:113:56:2211:1514:14
14:14
#22934
35K
21.75 mi15:29:494:05:0011:168:38
11:32
#22867
23M
23.00 mi15:45:174:20:2811:1915:28
12:21
#22820
24M
24.00 mi15:57:564:33:0711:2312:39
12:39
#22815
40K
24.85 mi16:07:544:43:0511:239:58
11:39
#22733
25.2M
25.20 mi16:12:364:47:4711:254:42
13:38
#22714
Finish
26.22 mi16:23:514:59:0211:2511:15
11:02
#22701
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi226699241924122230(Top 87%)8999(Top 82%)8999(Top 193%)
10K6.21 mi3.10 mi22896-2279362-1219362-12123046(Top 90%)9460(Top 87%)9460(Top 203%)
15K9.32 mi3.11 mi22678+2189234+1289234+12822230(Top 87%)8999(Top 82%)8999(Top 193%)
20K12.43 mi3.11 mi22930-2529377-1439377-14323437(Top 92%)9687(Top 89%)9687(Top 208%)
Half13.11 mi0.68 mi22944-149382-59382-523370(Top 91%)9701(Top 89%)9701(Top 208%)
25K15.53 mi2.42 mi22934+109415-339415-3322762(Top 89%)9420(Top 86%)9420(Top 202%)
30K18.64 mi3.11 mi22957-239472-579472-5722799(Top 89%)9545(Top 87%)9545(Top 205%)
20M20.00 mi1.36 mi22930+279477-59477-522412(Top 88%)9465(Top 87%)9465(Top 203%)
21M21.00 mi1.00 mi22934-49505-289505-2822636(Top 89%)9616(Top 88%)9616(Top 206%)
35K21.75 mi0.75 mi22867+679480+259480+2520957(Top 82%)8810(Top 81%)8810(Top 189%)
23M23.00 mi1.25 mi22820+479467+139467+1321429(Top 84%)9093(Top 83%)9093(Top 195%)
24M24.00 mi1.00 mi22815+59473-69473-622524(Top 88%)9683(Top 89%)9683(Top 208%)
40K24.85 mi0.85 mi22733+829441+329441+3219718(Top 77%)8367(Top 77%)8367(Top 180%)
25.2M25.20 mi0.35 mi22714+199436+59436+520988(Top 82%)8985(Top 82%)8985(Top 193%)
Finish26.22 mi1.02 mi22701+139435+19435+121444(Top 84%)9185(Top 84%)9185(Top 197%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 87%
×21story building
+97ft-345ft

Overall

22230

Females

8999

F18-39

8999

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23046

Females

9460

F18-39

9460

10K→15K

6.2 - 9.3 mi

Top 87%
×3story building
+67ft-78ft

Overall

22230

Females

8999

F18-39

8999

15K→20K

9.3 - 12.4 mi

Top 92%
×5story building
+106ft-86ft

Overall

23437

Females

9687

F18-39

9687

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

23370

Females

9701

F18-39

9701

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

22762

Females

9420

F18-39

9420

25K→30K

15.5 - 18.6 mi

Top 89%
×9story building
+181ft-148ft

Overall

22799

Females

9545

F18-39

9545

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22412

Females

9465

F18-39

9465

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

22636

Females

9616

F18-39

9616

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

20957

Females

8810

F18-39

8810

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

21429

Females

9093

F18-39

9093

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

22524

Females

9683

F18-39

9683

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19718

Females

8367

F18-39

8367

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20988

Females

8985

F18-39

8985

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

21444

Females

9185

F18-39

9185

Passing Analysis

Category:
Athletes Passed
1288
Passed By
1320
Net Change
-32
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22669
5K → 10K115342-227#22669#22896
10K → 15K28062+218#22896#22678
15K → 20K91343-252#22678#22930
20K → Half3044-14#22930#22944
Half → 25K127117+10#22944#22934
25K → 30K146169-23#22934#22957
30K → 20M8053+27#22957#22930
20M → 21M5256-4#22930#22934
21M → 35K736+67#22934#22867
35K → 23M7427+47#22867#22820
23M → 24M4742+5#22820#22815
24M → 40K9614+82#22815#22733
40K → 25.2M3213+19#22733#22714
25.2M → Finish4532+13#22714#22701
TOTALS12881320-32
📊

Passing Visuals

Category:
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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