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BOSTON MARATHON 2024

Caitlin Hart-Loi

Bib: 24232•F

NY

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
28:04
Rank: #20219
Start → 5K
28:04 | 9:02/mi
10K· 6.21 mi
56:48
Rank: #20431 (-212)
5K → 10K
28:44 | 9:15/mi
15K· 9.32 mi
1:24:58
Rank: #20017 (+414)
10K → 15K
28:10 | 9:04/mi
20K· 12.43 mi
1:52:56
Rank: #19327 (+690)
15K → 20K
27:58 | 9:00/mi
Half· 13.11 mi
1:58:54
Rank: #19216 (+111)
20K → Half
5:58 | 8:45/mi
25K· 15.53 mi
2:20:27
Rank: #18502 (+714)
Half → 25K
21:33 | 8:53/mi
30K· 18.64 mi
2:49:00
Rank: #17660 (+842)
25K → 30K
28:33 | 9:11/mi
20M
3:01:50
Rank: #17412 (+248)
30K → 20M
12:50 | 9:27/mi
21M
3:11:52
Rank: #17159 (+253)
20M → 21M
10:02 | 10:02/mi
35K· 21.75 mi
3:18:50
Rank: #17047 (+112)
21M → 35K
6:58 | 9:19/mi
23M
3:31:11
Rank: #16932 (+115)
35K → 23M
12:21 | 9:52/mi
24M
3:41:01
Rank: #16878 (+54)
23M → 24M
9:50 | 9:50/mi
40K· 24.85 mi
3:49:24
Rank: #16743 (+135)
24M → 40K
8:23 | 9:48/mi
25.2M
3:53:09
Rank: #16698 (+45)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:02:49
Rank: #16667 (+31)
25.2M → Finish
9:40 | 9:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:54
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:03:55
Pace9:27 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:1428:049:0228:04
9:02
-
10K
6.21 mi12:11:5856:489:0828:44
9:15
+0:13
15K
9.32 mi12:40:081:24:589:0728:10
9:04
-0:11
20K
12.43 mi13:08:061:52:569:0527:58
9:00
-0:04
Half
13.11 mi13:14:041:58:549:045:58
8:45
-0:15
25K
15.53 mi13:35:372:20:279:0221:33
8:53
+0:08
30K
18.64 mi14:04:102:49:009:0428:33
9:11
+0:18
20M
20.00 mi14:17:003:01:509:0512:50
9:27
+0:16
21M
21.00 mi14:27:023:11:529:0810:02
10:02
+0:35
35K
21.75 mi14:34:003:18:509:096:58
9:19
-0:43
23M
23.00 mi14:46:213:31:119:1112:21
9:52
+0:33
24M
24.00 mi14:56:113:41:019:139:50
9:50
-0:02
40K
24.85 mi15:04:343:49:249:148:23
9:48
-0:02
25.2M
25.20 mi15:08:193:53:099:153:45
10:52
+1:04
Finish
26.22 mi15:17:594:02:499:169:40
9:29
-1:23

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

8:45 /mi

Average Pace

9:16 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:33

34% of race

Time at Steady Pace

1:54:55

47% of race

Time at Slower Pace

44:21

18% of race

Average Pace: 9:16 /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 mi11:43:1428:049:0228:04
9:02
#20219
10K
6.21 mi12:11:5856:489:0828:44
9:15
#20431
15K
9.32 mi12:40:081:24:589:0728:10
9:04
#20017
20K
12.43 mi13:08:061:52:569:0527:58
9:00
#19327
Half
13.11 mi13:14:041:58:549:045:58
8:45
#19216
25K
15.53 mi13:35:372:20:279:0221:33
8:53
#18502
30K
18.64 mi14:04:102:49:009:0428:33
9:11
#17660
20M
20.00 mi14:17:003:01:509:0512:50
9:27
#17412
21M
21.00 mi14:27:023:11:529:0810:02
10:02
#17159
35K
21.75 mi14:34:003:18:509:096:58
9:19
#17047
23M
23.00 mi14:46:213:31:119:1112:21
9:52
#16932
24M
24.00 mi14:56:113:41:019:139:50
9:50
#16878
40K
24.85 mi15:04:343:49:249:148:23
9:48
#16743
25.2M
25.20 mi15:08:193:53:099:153:45
10:52
#16698
Finish
26.22 mi15:17:594:02:499:169:40
9:29
#16667
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi202197990799019185(Top 75%)7346(Top 67%)7346(Top 158%)
10K6.21 mi3.10 mi20431-2128077-878077-8720629(Top 81%)8168(Top 75%)8168(Top 175%)
15K9.32 mi3.11 mi20017+4147843+2347843+23419185(Top 75%)7346(Top 67%)7346(Top 158%)
20K12.43 mi3.11 mi19327+6907477+3667477+36617340(Top 68%)6340(Top 58%)6340(Top 136%)
Half13.11 mi0.68 mi19216+1117421+567421+5617101(Top 67%)6282(Top 58%)6282(Top 135%)
25K15.53 mi2.42 mi18502+7147037+3847037+38415021(Top 59%)5199(Top 48%)5199(Top 112%)
30K18.64 mi3.11 mi17660+8426633+4046633+40414161(Top 55%)4954(Top 45%)4954(Top 106%)
20M20.00 mi1.36 mi17412+2486523+1106523+11014300(Top 56%)5301(Top 49%)5301(Top 114%)
21M21.00 mi1.00 mi17159+2536413+1106413+11013124(Top 51%)4865(Top 45%)4865(Top 104%)
35K21.75 mi0.75 mi17047+1126371+426371+4214791(Top 58%)5739(Top 53%)5739(Top 123%)
23M23.00 mi1.25 mi16932+1156339+326339+3215002(Top 59%)5920(Top 54%)5920(Top 127%)
24M24.00 mi1.00 mi16878+546333+66333+615770(Top 62%)6331(Top 58%)6331(Top 136%)
40K24.85 mi0.85 mi16743+1356284+496284+4914305(Top 56%)5679(Top 52%)5679(Top 122%)
25.2M25.20 mi0.35 mi16698+456274+106274+1014123(Top 55%)5632(Top 52%)5632(Top 121%)
Finish26.22 mi1.02 mi16667+316284-106284-1016484(Top 65%)6748(Top 62%)6748(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

19185

Females

7346

F18-39

7346

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

20629

Females

8168

F18-39

8168

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

19185

Females

7346

F18-39

7346

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

17340

Females

6340

F18-39

6340

20K→Half

12.4 - 13.1 mi

Top 67%
×2stories
+19ft-37ft

Overall

17101

Females

6282

F18-39

6282

Half→25K

13.1 - 15.5 mi

Top 59%
×4stories
+66ft-88ft

Overall

15021

Females

5199

F18-39

5199

25K→30K

15.5 - 18.6 mi

Top 55%
×9stories
+181ft-148ft

Overall

14161

Females

4954

F18-39

4954

30K→20M

18.6 - 20.0 mi

Top 56%
×5stories
+64ft-50ft

Overall

14300

Females

5301

F18-39

5301

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13124

Females

4865

F18-39

4865

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

14791

Females

5739

F18-39

5739

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15002

Females

5920

F18-39

5920

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

15770

Females

6331

F18-39

6331

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14305

Females

5679

F18-39

5679

40K→25.2M

24.9 - 25.2 mi

Top 55%
×1story
+13ft-16ft

Overall

14123

Females

5632

F18-39

5632

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

16484

Females

6748

F18-39

6748

Passing Analysis

Category:
Athletes Passed
4240
Passed By
688
Net Change
+3552
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20219
5K → 10K190402-212#20219#20431
10K → 15K45238+414#20431#20017
15K → 20K70010+690#20017#19327
20K → Half1143+111#19327#19216
Half → 25K7162+714#19216#18502
25K → 30K8519+842#18502#17660
30K → 20M25911+248#17660#17412
20M → 21M2629+253#17412#17159
21M → 35K13018+112#17159#17047
35K → 23M15237+115#17047#16932
23M → 24M10248+54#16932#16878
24M → 40K15419+135#16878#16743
40K → 25.2M6116+45#16743#16698
25.2M → Finish9766+31#16698#16667
TOTALS4240688+3552
📊

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