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BOSTON MARATHON 2024

Caitlin Thomas

Bib: 25600•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
29:23
Rank: #21613
Start → 5K
9:27/mi
29:23 split
10K· 6.21 mi
59:13
Rank: #21622 (-9)
5K → 10K
9:36/mi
29:50 split
15K· 9.32 mi
1:29:18
Rank: #21440 (+182)
10K → 15K
9:41/mi
30:05 split
20K· 12.43 mi
2:00:11
Rank: #21141 (+299)
15K → 20K
9:56/mi
30:53 split
Half· 13.11 mi
2:07:04
Rank: #21155 (-14)
20K → Half
10:05/mi
6:53 split
25K· 15.53 mi
2:31:46
Rank: #20884 (+271)
Half → 25K
10:11/mi
24:42 split
30K· 18.64 mi
3:04:24
Rank: #20500 (+384)
25K → 30K
10:30/mi
32:38 split
20M
3:18:57
Rank: #20332 (+168)
30K → 20M
10:42/mi
14:33 split
21M
3:29:49
Rank: #20094 (+238)
20M → 21M
10:52/mi
10:52 split
35K· 21.75 mi
3:37:51
Rank: #20043 (+51)
21M → 35K
10:44/mi
8:02 split
23M
3:52:42
Rank: #20069 (-26)
35K → 23M
11:52/mi
14:51 split
24M
4:02:52
Rank: #19915 (+154)
23M → 24M
10:10/mi
10:10 split
40K· 24.85 mi
4:11:51
Rank: #19779 (+136)
24M → 40K
10:30/mi
8:59 split
25.2M
4:15:29
Rank: #19684 (+95)
40K → 25.2M
10:32/mi
3:38 split
Finish· 26.22 mi
4:25:06
Rank: #19554 (+130)
25.2M → Finish
9:26/mi
9:37 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:04
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:18:02
Pace10:32 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1529:239:2729:23
9:27
-
10K
6.21 mi12:15:0559:139:3229:50
9:36
+0:09
15K
9.32 mi12:45:101:29:189:3530:05
9:41
+0:05
20K
12.43 mi13:16:032:00:119:4030:53
9:56
+0:15
Half
13.11 mi13:22:562:07:049:426:53
10:05
+0:09
25K
15.53 mi13:47:382:31:469:4624:42
10:11
+0:06
30K
18.64 mi14:20:163:04:249:5432:38
10:30
+0:19
20M
20.00 mi14:34:493:18:579:5714:33
10:42
+0:12
21M
21.00 mi14:45:413:29:499:5910:52
10:52
+0:10
35K
21.75 mi14:53:433:37:5110:018:02
10:44
-0:08
23M
23.00 mi15:08:343:52:4210:0714:51
11:52
+1:08
24M
24.00 mi15:18:444:02:5210:0710:10
10:10
-1:42
40K
24.85 mi15:27:434:11:5110:088:59
10:30
+0:20
25.2M
25.20 mi15:31:214:15:2910:083:38
10:32
+0:02
Finish
26.22 mi15:40:584:25:0610:079:37
9:26
-1:06

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

9:26 /mi

Average Pace

10:07 /mi

Slowest Pace

11:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:55

37% of race

Time at Steady Pace

1:12:38

27% of race

Time at Slower Pace

1:33:33

35% of race

Average Pace: 10:07 /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 mi11:45:1529:239:2729:23
9:27
#21613
10K
6.21 mi12:15:0559:139:3229:50
9:36
#21622
15K
9.32 mi12:45:101:29:189:3530:05
9:41
#21440
20K
12.43 mi13:16:032:00:119:4030:53
9:56
#21141
Half
13.11 mi13:22:562:07:049:426:53
10:05
#21155
25K
15.53 mi13:47:382:31:469:4624:42
10:11
#20884
30K
18.64 mi14:20:163:04:249:5432:38
10:30
#20500
20M
20.00 mi14:34:493:18:579:5714:33
10:42
#20332
21M
21.00 mi14:45:413:29:499:5910:52
10:52
#20094
35K
21.75 mi14:53:433:37:5110:018:02
10:44
#20043
23M
23.00 mi15:08:343:52:4210:0714:51
11:52
#20069
24M
24.00 mi15:18:444:02:5210:0710:10
10:10
#19915
40K
24.85 mi15:27:434:11:5110:088:59
10:30
#19779
25.2M
25.20 mi15:31:214:15:2910:083:38
10:32
#19684
Finish
26.22 mi15:40:584:25:0610:079:37
9:26
#19554
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216138717871721157(Top 83%)8411(Top 77%)8411(Top 180%)
10K6.21 mi3.10 mi21622-98711+68711+621636(Top 85%)8725(Top 80%)8725(Top 187%)
15K9.32 mi3.11 mi21440+1828608+1038608+10321157(Top 83%)8411(Top 77%)8411(Top 180%)
20K12.43 mi3.11 mi21141+2998427+1818427+18120435(Top 80%)8053(Top 74%)8053(Top 173%)
Half13.11 mi0.68 mi21155-148433-68433-621697(Top 85%)8786(Top 80%)8786(Top 189%)
25K15.53 mi2.42 mi20884+2718319+1148319+11419641(Top 77%)7728(Top 71%)7728(Top 166%)
30K18.64 mi3.11 mi20500+3848150+1698150+16918794(Top 74%)7467(Top 68%)7467(Top 160%)
20M20.00 mi1.36 mi20332+1688103+478103+4718570(Top 73%)7497(Top 69%)7497(Top 161%)
21M21.00 mi1.00 mi20094+2387997+1067997+10616009(Top 63%)6345(Top 58%)6345(Top 136%)
35K21.75 mi0.75 mi20043+517985+127985+1219202(Top 75%)7929(Top 73%)7929(Top 170%)
23M23.00 mi1.25 mi20069-268028-438028-4320440(Top 80%)8619(Top 79%)8619(Top 185%)
24M24.00 mi1.00 mi19915+1547955+737955+7316888(Top 66%)6894(Top 63%)6894(Top 148%)
40K24.85 mi0.85 mi19779+1367903+527903+5216739(Top 66%)6892(Top 63%)6892(Top 148%)
25.2M25.20 mi0.35 mi19684+957866+377866+3713015(Top 51%)5116(Top 47%)5116(Top 110%)
Finish26.22 mi1.02 mi19554+1307820+467820+4616270(Top 64%)6650(Top 61%)6650(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 83%
×21stories
+97ft-345ft

Overall

21157

Females

8411

F18-39

8411

5K→10K

3.1 - 6.2 mi

Top 85%
×5stories
+79ft-138ft

Overall

21636

Females

8725

F18-39

8725

10K→15K

6.2 - 9.3 mi

Top 83%
×3stories
+67ft-78ft

Overall

21157

Females

8411

F18-39

8411

15K→20K

9.3 - 12.4 mi

Top 80%
×5stories
+106ft-86ft

Overall

20435

Females

8053

F18-39

8053

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

21697

Females

8786

F18-39

8786

Half→25K

13.1 - 15.5 mi

Top 77%
×4stories
+66ft-88ft

Overall

19641

Females

7728

F18-39

7728

25K→30K

15.5 - 18.6 mi

Top 74%
×9stories
+181ft-148ft

Overall

18794

Females

7467

F18-39

7467

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

18570

Females

7497

F18-39

7497

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

16009

Females

6345

F18-39

6345

21M→35K

21.0 - 21.8 mi

Top 75%
×7stories
+17ft-86ft

Overall

19202

Females

7929

F18-39

7929

35K→23M

21.8 - 23.0 mi

Top 80%
×5stories
+23ft-63ft

Overall

20440

Females

8619

F18-39

8619

23M→24M

23.0 - 24.0 mi

Top 66%
×6stories
+12ft-82ft

Overall

16888

Females

6894

F18-39

6894

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

16739

Females

6892

F18-39

6892

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13015

Females

5116

F18-39

5116

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

16270

Females

6650

F18-39

6650

Passing Analysis

Category:
Athletes Passed
2715
Passed By
656
Net Change
+2059
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21613
5K → 10K228237-9#21613#21622
10K → 15K282100+182#21622#21440
15K → 20K35354+299#21440#21141
20K → Half2337-14#21141#21155
Half → 25K30534+271#21155#20884
25K → 30K41329+384#20884#20500
30K → 20M17911+168#20500#20332
20M → 21M2424+238#20332#20094
21M → 35K7221+51#20094#20043
35K → 23M75101-26#20043#20069
23M → 24M16410+154#20069#19915
24M → 40K1415+136#19915#19779
40K → 25.2M961+95#19779#19684
25.2M → Finish14212+130#19684#19554
TOTALS2715656+2059
📊

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