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BOSTON MARATHON 2024

Kate O'brien

Bib: 24151•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
32:18
Rank: #23892
Start → 5K
32:18 | 10:24/mi
10K· 6.21 mi
1:04:14
Rank: #23458 (+434)
5K → 10K
31:56 | 10:17/mi
15K· 9.32 mi
1:37:27
Rank: #23394 (+64)
10K → 15K
33:13 | 10:41/mi
20K· 12.43 mi
2:11:05
Rank: #23127 (+267)
15K → 20K
33:38 | 10:50/mi
Half· 13.11 mi
2:18:18
Rank: #23100 (+27)
20K → Half
7:13 | 10:35/mi
25K· 15.53 mi
2:46:03
Rank: #22979 (+121)
Half → 25K
27:45 | 11:27/mi
30K· 18.64 mi
3:26:03
Rank: #23076 (-97)
25K → 30K
40:00 | 12:52/mi
20M
3:43:22
Rank: #23034 (+42)
30K → 20M
17:19 | 12:45/mi
21M
3:56:58
Rank: #22988 (+46)
20M → 21M
13:36 | 13:36/mi
35K· 21.75 mi
4:06:33
Rank: #22988
21M → 35K
9:35 | 12:49/mi
23M
4:22:37
Rank: #22975 (+13)
35K → 23M
16:04 | 12:50/mi
24M
4:34:36
Rank: #22932 (+43)
23M → 24M
11:59 | 11:59/mi
40K· 24.85 mi
4:46:06
Rank: #22950 (-18)
24M → 40K
11:30 | 13:27/mi
25.2M
4:51:23
Rank: #22962 (-12)
40K → 25.2M
5:17 | 15:19/mi
Finish· 26.22 mi
5:02:49
Rank: #22940 (+22)
25.2M → Finish
11:26 | 11:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:18:18
Pace10:33 /mi
2nd Half
Distance13.11 mi
Time2:44:31
Pace12:33 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:47:4932:1810:2432:18
10:24
-
10K
6.21 mi12:19:451:04:1410:2031:56
10:17
-0:07
15K
9.32 mi12:52:581:37:2710:2733:13
10:41
+0:24
20K
12.43 mi13:26:362:11:0510:3333:38
10:50
+0:09
Half
13.11 mi13:33:492:18:1810:337:13
10:35
-0:15
25K
15.53 mi14:01:342:46:0310:4127:45
11:27
+0:52
30K
18.64 mi14:41:343:26:0311:0340:00
12:52
+1:25
20M
20.00 mi14:58:533:43:2211:1017:19
12:45
-0:07
21M
21.00 mi15:12:293:56:5811:1713:36
13:36
+0:51
35K
21.75 mi15:22:044:06:3311:209:35
12:49
-0:47
23M
23.00 mi15:38:084:22:3711:2516:04
12:50
+0:01
24M
24.00 mi15:50:074:34:3611:2711:59
11:59
-0:51
40K
24.85 mi16:01:374:46:0611:3111:30
13:27
+1:28
25.2M
25.20 mi16:06:544:51:2311:345:17
15:19
+1:52
Finish
26.22 mi16:18:205:02:4911:3311:26
11:13
-4:06

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

10:17 /mi

Average Pace

11:33 /mi

Slowest Pace

15:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:44

49% of race

Time at Steady Pace

39:44

13% of race

Time at Slower Pace

1:53:21

37% of race

Average Pace: 11:33 /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 mi11:47:4932:1810:2432:18
10:24
#23892
10K
6.21 mi12:19:451:04:1410:2031:56
10:17
#23458
15K
9.32 mi12:52:581:37:2710:2733:13
10:41
#23394
20K
12.43 mi13:26:362:11:0510:3333:38
10:50
#23127
Half
13.11 mi13:33:492:18:1810:337:13
10:35
#23100
25K
15.53 mi14:01:342:46:0310:4127:45
11:27
#22979
30K
18.64 mi14:41:343:26:0311:0340:00
12:52
#23076
20M
20.00 mi14:58:533:43:2211:1017:19
12:45
#23034
21M
21.00 mi15:12:293:56:5811:1713:36
13:36
#22988
35K
21.75 mi15:22:044:06:3311:209:35
12:49
#22988
23M
23.00 mi15:38:084:22:3711:2516:04
12:50
#22975
24M
24.00 mi15:50:074:34:3611:2711:59
11:59
#22932
40K
24.85 mi16:01:374:46:0611:3111:30
13:27
#22950
25.2M
25.20 mi16:06:544:51:2311:345:17
15:19
#22962
Finish
26.22 mi16:18:205:02:4911:3311:26
11:13
#22940
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi238929890989023264(Top 91%)9572(Top 88%)9572(Top 205%)
10K6.21 mi3.10 mi23458+4349649+2419649+24123132(Top 91%)9501(Top 87%)9501(Top 204%)
15K9.32 mi3.11 mi23394+649619+309619+3023264(Top 91%)9572(Top 88%)9572(Top 205%)
20K12.43 mi3.11 mi23127+2679487+1329487+13222323(Top 87%)9092(Top 83%)9092(Top 195%)
Half13.11 mi0.68 mi23100+279474+139474+1322810(Top 89%)9388(Top 86%)9388(Top 201%)
25K15.53 mi2.42 mi22979+1219443+319443+3122333(Top 87%)9177(Top 84%)9177(Top 197%)
30K18.64 mi3.11 mi23076-979544-1019544-10123138(Top 91%)9721(Top 89%)9721(Top 209%)
20M20.00 mi1.36 mi23034+429541+39541+322520(Top 88%)9519(Top 87%)9519(Top 204%)
21M21.00 mi1.00 mi22988+469533+89533+821762(Top 85%)9184(Top 84%)9184(Top 197%)
35K21.75 mi0.75 mi229889544-119544-1123026(Top 90%)9834(Top 90%)9834(Top 211%)
23M23.00 mi1.25 mi22975+139550-69550-622275(Top 87%)9497(Top 87%)9497(Top 204%)
24M24.00 mi1.00 mi22932+439535+159535+1521419(Top 84%)9147(Top 84%)9147(Top 196%)
40K24.85 mi0.85 mi22950-189552-179552-1722947(Top 90%)9907(Top 91%)9907(Top 213%)
25.2M25.20 mi0.35 mi22962-129563-119563-1123382(Top 92%)10087(Top 92%)10087(Top 216%)
Finish26.22 mi1.02 mi22940+229559+49559+421896(Top 86%)9402(Top 86%)9402(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21stories
+97ft-345ft

Overall

23264

Females

9572

F18-39

9572

5K→10K

3.1 - 6.2 mi

Top 91%
×5stories
+79ft-138ft

Overall

23132

Females

9501

F18-39

9501

10K→15K

6.2 - 9.3 mi

Top 91%
×3stories
+67ft-78ft

Overall

23264

Females

9572

F18-39

9572

15K→20K

9.3 - 12.4 mi

Top 87%
×5stories
+106ft-86ft

Overall

22323

Females

9092

F18-39

9092

20K→Half

12.4 - 13.1 mi

Top 89%
×2stories
+19ft-37ft

Overall

22810

Females

9388

F18-39

9388

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

22333

Females

9177

F18-39

9177

25K→30K

15.5 - 18.6 mi

Top 91%
×9stories
+181ft-148ft

Overall

23138

Females

9721

F18-39

9721

30K→20M

18.6 - 20.0 mi

Top 88%
×5stories
+64ft-50ft

Overall

22520

Females

9519

F18-39

9519

20M→21M

20.0 - 21.0 mi

Top 85%
×8stories
+106ft-24ft

Overall

21762

Females

9184

F18-39

9184

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

23026

Females

9834

F18-39

9834

35K→23M

21.8 - 23.0 mi

Top 87%
×5stories
+23ft-63ft

Overall

22275

Females

9497

F18-39

9497

23M→24M

23.0 - 24.0 mi

Top 84%
×6stories
+12ft-82ft

Overall

21419

Females

9147

F18-39

9147

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

22947

Females

9907

F18-39

9907

40K→25.2M

24.9 - 25.2 mi

Top 92%
×1story
+13ft-16ft

Overall

23382

Females

10087

F18-39

10087

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

21896

Females

9402

F18-39

9402

Passing Analysis

Category:
Athletes Passed
1713
Passed By
761
Net Change
+952
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23892
5K → 10K47642+434#23892#23458
10K → 15K175111+64#23458#23394
15K → 20K30437+267#23394#23127
20K → Half4518+27#23127#23100
Half → 25K18867+121#23100#22979
25K → 30K112209-97#22979#23076
30K → 20M8644+42#23076#23034
20M → 21M7428+46#23034#22988
21M → 35K44440#22988#22988
35K → 23M4936+13#22988#22975
23M → 24M6320+43#22975#22932
24M → 40K3250-18#22932#22950
40K → 25.2M1426-12#22950#22962
25.2M → Finish5129+22#22962#22940
TOTALS1713761+952
📊

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