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BOSTON MARATHON 2024

Katherine O'Shea

Bib: 28418•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
31:40
Rank: #23428
Start → 5K
10:12/mi
31:40 split
10K· 6.21 mi
1:05:08
Rank: #23738 (-310)
5K → 10K
10:46/mi
33:28 split
15K· 9.32 mi
1:40:29
Rank: #23975 (-237)
10K → 15K
11:23/mi
35:21 split
20K· 12.43 mi
2:15:44
Rank: #23828 (+147)
15K → 20K
11:21/mi
35:15 split
Half· 13.11 mi
2:23:17
Rank: #23810 (+18)
20K → Half
11:04/mi
7:33 split
25K· 15.53 mi
2:51:15
Rank: #23594 (+216)
Half → 25K
11:32/mi
27:58 split
30K· 18.64 mi
3:29:30
Rank: #23398 (+196)
25K → 30K
12:19/mi
38:15 split
20M
3:45:57
Rank: #23258 (+140)
30K → 20M
12:06/mi
16:27 split
21M
3:58:57
Rank: #23131 (+127)
20M → 21M
13:00/mi
13:00 split
35K· 21.75 mi
4:07:34
Rank: #23059 (+72)
21M → 35K
11:31/mi
8:37 split
23M
4:22:20
Rank: #22957 (+102)
35K → 23M
11:48/mi
14:46 split
24M
4:34:11
Rank: #22897 (+60)
23M → 24M
11:51/mi
11:51 split
40K· 24.85 mi
4:44:12
Rank: #22814 (+83)
24M → 40K
11:43/mi
10:01 split
25.2M
4:48:54
Rank: #22806 (+8)
40K → 25.2M
13:38/mi
4:42 split
Finish· 26.22 mi
5:00:05
Rank: #22774 (+32)
25.2M → Finish
10:58/mi
11:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:23:17
Pace10:56 /mi
2nd Half
Distance13.11 mi
Time2:36:48
Pace11:58 /mi
📊Positive Split: 9.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:26:5831:4010:1231:40
10:12
-
10K
6.21 mi12:00:261:05:0810:2933:28
10:46
+0:34
15K
9.32 mi12:35:471:40:2910:4735:21
11:23
+0:37
20K
12.43 mi13:11:022:15:4410:5535:15
11:21
-0:02
Half
13.11 mi13:18:352:23:1710:567:33
11:04
-0:17
25K
15.53 mi13:46:332:51:1511:0127:58
11:32
+0:28
30K
18.64 mi14:24:483:29:3011:1438:15
12:19
+0:47
20M
20.00 mi14:41:153:45:5711:1816:27
12:06
-0:13
21M
21.00 mi14:54:153:58:5711:2313:00
13:00
+0:54
35K
21.75 mi15:02:524:07:3411:238:37
11:31
-1:29
23M
23.00 mi15:17:384:22:2011:2414:46
11:48
+0:17
24M
24.00 mi15:29:294:34:1111:2511:51
11:51
+0:03
40K
24.85 mi15:39:304:44:1211:2610:01
11:43
-0:08
25.2M
25.20 mi15:44:124:48:5411:284:42
13:38
+1:55
Finish
26.22 mi15:55:235:00:0511:2711:11
10:58
-2:40

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

10:12 /mi

Average Pace

11:27 /mi

Slowest Pace

13:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:52

28% of race

Time at Steady Pace

2:23:49

48% of race

Time at Slower Pace

1:12:24

24% of race

Average Pace: 11:27 /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 mi11:26:5831:4010:1231:40
10:12
#23428
10K
6.21 mi12:00:261:05:0810:2933:28
10:46
#23738
15K
9.32 mi12:35:471:40:2910:4735:21
11:23
#23975
20K
12.43 mi13:11:022:15:4410:5535:15
11:21
#23828
Half
13.11 mi13:18:352:23:1710:567:33
11:04
#23810
25K
15.53 mi13:46:332:51:1511:0127:58
11:32
#23594
30K
18.64 mi14:24:483:29:3011:1438:15
12:19
#23398
20M
20.00 mi14:41:153:45:5711:1816:27
12:06
#23258
21M
21.00 mi14:54:153:58:5711:2313:00
13:00
#23131
35K
21.75 mi15:02:524:07:3411:238:37
11:31
#23059
23M
23.00 mi15:17:384:22:2011:2414:46
11:48
#22957
24M
24.00 mi15:29:294:34:1111:2511:51
11:51
#22897
40K
24.85 mi15:39:304:44:1211:2610:01
11:43
#22814
25.2M
25.20 mi15:44:124:48:5411:284:42
13:38
#22806
Finish
26.22 mi15:55:235:00:0511:2711:11
10:58
#22774
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi234289619961924165(Top 95%)10069(Top 92%)10069(Top 216%)
10K6.21 mi3.10 mi23738-3109795-1769795-17623972(Top 94%)9953(Top 91%)9953(Top 214%)
15K9.32 mi3.11 mi23975-2379941-1469941-14624165(Top 95%)10069(Top 92%)10069(Top 216%)
20K12.43 mi3.11 mi23828+1479860+819860+8123187(Top 91%)9552(Top 87%)9552(Top 205%)
Half13.11 mi0.68 mi23810+189856+49856+423610(Top 92%)9831(Top 90%)9831(Top 211%)
25K15.53 mi2.42 mi23594+2169773+839773+8322482(Top 88%)9265(Top 85%)9265(Top 199%)
30K18.64 mi3.11 mi23398+1969709+649709+6422453(Top 88%)9378(Top 86%)9378(Top 201%)
20M20.00 mi1.36 mi23258+1409665+449665+4421548(Top 84%)9039(Top 83%)9039(Top 194%)
21M21.00 mi1.00 mi23131+1279607+589607+5820740(Top 81%)8685(Top 80%)8685(Top 186%)
35K21.75 mi0.75 mi23059+729581+269581+2620909(Top 82%)8783(Top 80%)8783(Top 188%)
23M23.00 mi1.25 mi22957+1029538+439538+4320305(Top 79%)8551(Top 78%)8551(Top 183%)
24M24.00 mi1.00 mi22897+609518+209518+2021153(Top 83%)9020(Top 83%)9020(Top 194%)
40K24.85 mi0.85 mi22814+839481+379481+3719849(Top 78%)8428(Top 77%)8428(Top 181%)
25.2M25.20 mi0.35 mi22806+89478+39478+320989(Top 82%)8986(Top 82%)8986(Top 193%)
Finish26.22 mi1.02 mi22774+329469+99469+921293(Top 83%)9113(Top 83%)9113(Top 196%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

24165

Females

10069

F18-39

10069

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

23972

Females

9953

F18-39

9953

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

24165

Females

10069

F18-39

10069

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

23187

Females

9552

F18-39

9552

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

23610

Females

9831

F18-39

9831

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

22482

Females

9265

F18-39

9265

25K→30K

15.5 - 18.6 mi

Top 88%
×9story building
+181ft-148ft

Overall

22453

Females

9378

F18-39

9378

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

21548

Females

9039

F18-39

9039

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

20740

Females

8685

F18-39

8685

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

20909

Females

8783

F18-39

8783

35K→23M

21.8 - 23.0 mi

Top 79%
×5story building
+23ft-63ft

Overall

20305

Females

8551

F18-39

8551

23M→24M

23.0 - 24.0 mi

Top 83%
×6story building
+12ft-82ft

Overall

21153

Females

9020

F18-39

9020

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

19849

Females

8428

F18-39

8428

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

20989

Females

8986

F18-39

8986

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

21293

Females

9113

F18-39

9113

Passing Analysis

Category:
Athletes Passed
1589
Passed By
935
Net Change
+654
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23428
5K → 10K99409-310#23428#23738
10K → 15K84321-237#23738#23975
15K → 20K19750+147#23975#23828
20K → Half3719+18#23828#23810
Half → 25K23216+216#23810#23594
25K → 30K23640+196#23594#23398
30K → 20M1466+140#23398#23258
20M → 21M1347+127#23258#23131
21M → 35K764+72#23131#23059
35K → 23M11311+102#23059#22957
23M → 24M7414+60#22957#22897
24M → 40K885+83#22897#22814
40K → 25.2M1911+8#22814#22806
25.2M → Finish5422+32#22806#22774
TOTALS1589935+654
📊

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