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BOSTON MARATHON 2024

Henrietta Marsh-Smith

Bib: 8546•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 44%
Gender (Female)
#0 / 10924
Top 30%
Division (F18-39)
#0 / 4660
Top 47%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:29
Rank: #6500
Start → 5K
21:29 | 6:55/mi
10K· 6.21 mi
43:55
Rank: #7256 (-756)
5K → 10K
22:26 | 7:13/mi
15K· 9.32 mi
1:07:12
Rank: #7947 (-691)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:31:26
Rank: #8553 (-606)
15K → 20K
24:14 | 7:48/mi
Half· 13.11 mi
1:36:45
Rank: #8689 (-136)
20K → Half
5:19 | 7:48/mi
25K· 15.53 mi
1:56:29
Rank: #9061 (-372)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:25:08
Rank: #10142 (-1081)
25K → 30K
28:39 | 9:13/mi
20M
2:38:14
Rank: #10574 (-432)
30K → 20M
13:06 | 9:38/mi
21M
2:49:34
Rank: #11142 (-568)
20M → 21M
11:20 | 11:20/mi
35K· 21.75 mi
2:56:15
Rank: #11207 (-65)
21M → 35K
6:41 | 8:56/mi
23M
3:07:58
Rank: #11270 (-63)
35K → 23M
11:43 | 9:21/mi
24M
3:16:58
Rank: #11285 (-15)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:25:00
Rank: #11317 (-32)
24M → 40K
8:02 | 9:24/mi
25.2M
3:28:33
Rank: #11304 (+13)
40K → 25.2M
3:33 | 10:18/mi
Finish· 26.22 mi
3:36:47
Rank: #11186 (+118)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:45
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time2:00:02
Pace9:09 /mi
📊Positive Split: 24.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:3721:296:5521:29
6:55
-
10K
6.21 mi11:10:0343:557:0422:26
7:13
+0:18
15K
9.32 mi11:33:201:07:127:1323:17
7:30
+0:17
20K
12.43 mi11:57:341:31:267:2124:14
7:48
+0:18
Half
13.11 mi12:02:531:36:457:235:19
7:48
0:00
25K
15.53 mi12:22:371:56:297:3019:44
8:08
+0:20
30K
18.64 mi12:51:162:25:087:4728:39
9:13
+1:05
20M
20.00 mi13:04:222:38:147:5513:06
9:38
+0:25
21M
21.00 mi13:15:422:49:348:0411:20
11:20
+1:42
35K
21.75 mi13:22:232:56:158:066:41
8:56
-2:24
23M
23.00 mi13:34:063:07:588:1011:43
9:21
+0:25
24M
24.00 mi13:43:063:16:588:129:00
9:00
-0:21
40K
24.85 mi13:51:083:25:008:158:02
9:24
+0:24
25.2M
25.20 mi13:54:413:28:338:173:33
10:18
+0:54
Finish
26.22 mi14:02:553:36:478:168:14
8:05
-2:13

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

6:55 /mi

Average Pace

8:16 /mi

Slowest Pace

11:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:43

58% of race

Time at Steady Pace

1:04:05

30% of race

Time at Slower Pace

27:59

13% of race

Average Pace: 8:16 /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 mi10:47:3721:296:5521:29
6:55
#6500
10K
6.21 mi11:10:0343:557:0422:26
7:13
#7256
15K
9.32 mi11:33:201:07:127:1323:17
7:30
#7947
20K
12.43 mi11:57:341:31:267:2124:14
7:48
#8553
Half
13.11 mi12:02:531:36:457:235:19
7:48
#8689
25K
15.53 mi12:22:371:56:297:3019:44
8:08
#9061
30K
18.64 mi12:51:162:25:087:4728:39
9:13
#10142
20M
20.00 mi13:04:222:38:147:5513:06
9:38
#10574
21M
21.00 mi13:15:422:49:348:0411:20
11:20
#11142
35K
21.75 mi13:22:232:56:158:066:41
8:56
#11207
23M
23.00 mi13:34:063:07:588:1011:43
9:21
#11270
24M
24.00 mi13:43:063:16:588:129:00
9:00
#11285
40K
24.85 mi13:51:083:25:008:158:02
9:24
#11317
25.2M
25.20 mi13:54:413:28:338:173:33
10:18
#11304
Finish
26.22 mi14:02:553:36:478:168:14
8:05
#11186
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65006906909664(Top 38%)2009(Top 18%)2009(Top 43%)
10K6.21 mi3.10 mi7256-756925-235925-2358090(Top 32%)1285(Top 12%)1285(Top 28%)
15K9.32 mi3.11 mi7947-6911205-2801205-2809664(Top 38%)2009(Top 18%)2009(Top 43%)
20K12.43 mi3.11 mi8553-6061483-2781483-27810450(Top 41%)2555(Top 23%)2555(Top 55%)
Half13.11 mi0.68 mi8689-1361541-581541-5811352(Top 44%)2997(Top 27%)2997(Top 64%)
25K15.53 mi2.42 mi9061-3721735-1941735-19411030(Top 43%)2979(Top 27%)2979(Top 64%)
30K18.64 mi3.11 mi10142-10812391-6562391-65614274(Top 56%)5017(Top 46%)5017(Top 108%)
20M20.00 mi1.36 mi10574-4322665-2742665-27415113(Top 59%)5732(Top 52%)5732(Top 123%)
21M21.00 mi1.00 mi11142-5683006-3413006-34117223(Top 67%)6961(Top 64%)6961(Top 149%)
35K21.75 mi0.75 mi11207-653078-723078-7212998(Top 51%)4800(Top 44%)4800(Top 103%)
23M23.00 mi1.25 mi11270-633175-973175-9712874(Top 50%)4837(Top 44%)4837(Top 104%)
24M24.00 mi1.00 mi11285-153236-613236-6112172(Top 48%)4497(Top 41%)4497(Top 97%)
40K24.85 mi0.85 mi11317-323296-603296-6012702(Top 50%)4889(Top 45%)4889(Top 105%)
25.2M25.20 mi0.35 mi11304+133315-193315-1912080(Top 47%)4627(Top 42%)4627(Top 99%)
Finish26.22 mi1.02 mi11186+1183304+113304+119064(Top 35%)3095(Top 28%)3095(Top 66%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9664

Females

2009

F18-39

2009

5K→10K

3.1 - 6.2 mi

Top 32%
×5stories
+79ft-138ft

Overall

8090

Females

1285

F18-39

1285

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9664

Females

2009

F18-39

2009

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

10450

Females

2555

F18-39

2555

20K→Half

12.4 - 13.1 mi

Top 44%
×2stories
+19ft-37ft

Overall

11352

Females

2997

F18-39

2997

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11030

Females

2979

F18-39

2979

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

14274

Females

5017

F18-39

5017

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15113

Females

5732

F18-39

5732

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17223

Females

6961

F18-39

6961

21M→35K

21.0 - 21.8 mi

Top 51%
×7stories
+17ft-86ft

Overall

12998

Females

4800

F18-39

4800

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

12874

Females

4837

F18-39

4837

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12172

Females

4497

F18-39

4497

24M→40K

24.0 - 24.9 mi

Top 50%
×1story
+6ft-20ft

Overall

12702

Females

4889

F18-39

4889

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12080

Females

4627

F18-39

4627

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2stories
+22ft-21ft

Overall

9064

Females

3095

F18-39

3095

Passing Analysis

Category:
Athletes Passed
982
Passed By
5665
Net Change
-4686
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6500
5K → 10K35791-756#6500#7256
10K → 15K43734-691#7256#7947
15K → 20K66672-606#7947#8553
20K → Half8144-136#8553#8689
Half → 25K103475-372#8689#9061
25K → 30K721151-1081#9061#10142
30K → 20M51482-432#10142#10574
20M → 21M26594-568#10574#11142
21M → 35K69134-65#11142#11207
35K → 23M125188-63#11207#11270
23M → 24M102117-15#11270#11285
24M → 40K81113-32#11285#11317
40K → 25.2M5340+13#11317#11304
25.2M → Finish14830+118#11304#11186
TOTALS9825665-4686
📊

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