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BOSTON MARATHON 2024

Harriet Naylor

Bib: 29114•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
27:39
Rank: #19684
Start → 5K
27:39 | 8:54/mi
10K· 6.21 mi
54:14
Rank: #18747 (+937)
5K → 10K
26:35 | 8:33/mi
15K· 9.32 mi
1:21:25
Rank: #18358 (+389)
10K → 15K
27:11 | 8:45/mi
20K· 12.43 mi
1:49:00
Rank: #17881 (+477)
15K → 20K
27:35 | 8:53/mi
Half· 13.11 mi
1:55:02
Rank: #17860 (+21)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:16:56
Rank: #17438 (+422)
Half → 25K
21:54 | 9:02/mi
30K· 18.64 mi
2:46:29
Rank: #17032 (+406)
25K → 30K
29:33 | 9:31/mi
20M
2:59:55
Rank: #16977 (+55)
30K → 20M
13:26 | 9:53/mi
21M
3:10:10
Rank: #16805 (+172)
20M → 21M
10:15 | 10:15/mi
35K· 21.75 mi
3:17:21
Rank: #16746 (+59)
21M → 35K
7:11 | 9:36/mi
23M
3:29:40
Rank: #16646 (+100)
35K → 23M
12:19 | 9:50/mi
24M
3:39:23
Rank: #16582 (+64)
23M → 24M
9:43 | 9:43/mi
40K· 24.85 mi
3:47:41
Rank: #16440 (+142)
24M → 40K
8:18 | 9:42/mi
25.2M
3:51:15
Rank: #16372 (+68)
40K → 25.2M
3:34 | 10:21/mi
Finish· 26.22 mi
4:00:06
Rank: #16247 (+125)
25.2M → Finish
8:51 | 8:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:02
Pace8:46 /mi
2nd Half
Distance13.11 mi
Time2:05:04
Pace9:32 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3227:398:5427:39
8:54
-
10K
6.21 mi12:16:0754:148:4426:35
8:33
-0:21
15K
9.32 mi12:43:181:21:258:4427:11
8:45
+0:12
20K
12.43 mi13:10:531:49:008:4627:35
8:53
+0:08
Half
13.11 mi13:16:551:55:028:466:02
8:51
-0:02
25K
15.53 mi13:38:492:16:568:4921:54
9:02
+0:11
30K
18.64 mi14:08:222:46:298:5629:33
9:31
+0:29
20M
20.00 mi14:21:482:59:559:0013:26
9:53
+0:22
21M
21.00 mi14:32:033:10:109:0310:15
10:15
+0:22
35K
21.75 mi14:39:143:17:219:047:11
9:36
-0:39
23M
23.00 mi14:51:333:29:409:0712:19
9:50
+0:14
24M
24.00 mi15:01:163:39:239:089:43
9:43
-0:07
40K
24.85 mi15:09:343:47:419:108:18
9:42
-0:01
25.2M
25.20 mi15:13:083:51:159:113:34
10:21
+0:39
Finish
26.22 mi15:21:594:00:069:108:51
8:41
-1:40

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

8:33 /mi

Average Pace

9:10 /mi

Slowest Pace

10:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:25:47

61% of race

Time at Steady Pace

54:45

23% of race

Time at Slower Pace

39:34

16% of race

Average Pace: 9:09 /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 mi11:49:3227:398:5427:39
8:54
#19684
10K
6.21 mi12:16:0754:148:4426:35
8:33
#18747
15K
9.32 mi12:43:181:21:258:4427:11
8:45
#18358
20K
12.43 mi13:10:531:49:008:4627:35
8:53
#17881
Half
13.11 mi13:16:551:55:028:466:02
8:51
#17860
25K
15.53 mi13:38:492:16:568:4921:54
9:02
#17438
30K
18.64 mi14:08:222:46:298:5629:33
9:31
#17032
20M
20.00 mi14:21:482:59:559:0013:26
9:53
#16977
21M
21.00 mi14:32:033:10:109:0310:15
10:15
#16805
35K
21.75 mi14:39:143:17:219:047:11
9:36
#16746
23M
23.00 mi14:51:333:29:409:0712:19
9:50
#16646
24M
24.00 mi15:01:163:39:239:089:43
9:43
#16582
40K
24.85 mi15:09:343:47:419:108:18
9:42
#16440
25.2M
25.20 mi15:13:083:51:159:113:34
10:21
#16372
Finish
26.22 mi15:21:594:00:069:108:51
8:41
#16247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi196847713771317734(Top 69%)6558(Top 60%)6558(Top 141%)
10K6.21 mi3.10 mi18747+9377184+5297184+52917610(Top 69%)6497(Top 59%)6497(Top 139%)
15K9.32 mi3.11 mi18358+3896944+2406944+24017734(Top 69%)6558(Top 60%)6558(Top 141%)
20K12.43 mi3.11 mi17881+4776676+2686676+26816787(Top 66%)6055(Top 55%)6055(Top 130%)
Half13.11 mi0.68 mi17860+216672+46672+417550(Top 69%)6537(Top 60%)6537(Top 140%)
25K15.53 mi2.42 mi17438+4226453+2196453+21915666(Top 61%)5540(Top 51%)5540(Top 119%)
30K18.64 mi3.11 mi17032+4066278+1756278+17515496(Top 61%)5688(Top 52%)5688(Top 122%)
20M20.00 mi1.36 mi16977+556282-46282-416085(Top 63%)6252(Top 57%)6252(Top 134%)
21M21.00 mi1.00 mi16805+1726215+676215+6713952(Top 55%)5293(Top 48%)5293(Top 114%)
35K21.75 mi0.75 mi16746+596203+126203+1215872(Top 62%)6281(Top 57%)6281(Top 135%)
23M23.00 mi1.25 mi16646+1006165+386165+3814892(Top 58%)5865(Top 54%)5865(Top 126%)
24M24.00 mi1.00 mi16582+646159+66159+615335(Top 60%)6124(Top 56%)6124(Top 131%)
40K24.85 mi0.85 mi16440+1426114+456114+4513947(Top 55%)5511(Top 50%)5511(Top 118%)
25.2M25.20 mi0.35 mi16372+686089+256089+2512319(Top 48%)4780(Top 44%)4780(Top 103%)
Finish26.22 mi1.02 mi16247+1256048+416048+4112583(Top 49%)4769(Top 44%)4769(Top 102%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21stories
+97ft-345ft

Overall

17734

Females

6558

F18-39

6558

5K→10K

3.1 - 6.2 mi

Top 69%
×5stories
+79ft-138ft

Overall

17610

Females

6497

F18-39

6497

10K→15K

6.2 - 9.3 mi

Top 69%
×3stories
+67ft-78ft

Overall

17734

Females

6558

F18-39

6558

15K→20K

9.3 - 12.4 mi

Top 66%
×5stories
+106ft-86ft

Overall

16787

Females

6055

F18-39

6055

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

17550

Females

6537

F18-39

6537

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

15666

Females

5540

F18-39

5540

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

15496

Females

5688

F18-39

5688

30K→20M

18.6 - 20.0 mi

Top 63%
×5stories
+64ft-50ft

Overall

16085

Females

6252

F18-39

6252

20M→21M

20.0 - 21.0 mi

Top 55%
×8stories
+106ft-24ft

Overall

13952

Females

5293

F18-39

5293

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

15872

Females

6281

F18-39

6281

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

14892

Females

5865

F18-39

5865

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

15335

Females

6124

F18-39

6124

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

13947

Females

5511

F18-39

5511

40K→25.2M

24.9 - 25.2 mi

Top 48%
×1story
+13ft-16ft

Overall

12319

Females

4780

F18-39

4780

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2stories
+22ft-21ft

Overall

12583

Females

4769

F18-39

4769

Passing Analysis

Category:
Athletes Passed
3998
Passed By
561
Net Change
+3437
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19684
5K → 10K97235+937#19684#18747
10K → 15K44859+389#18747#18358
15K → 20K51740+477#18358#17881
20K → Half5938+21#17881#17860
Half → 25K44725+422#17860#17438
25K → 30K47569+406#17438#17032
30K → 20M14994+55#17032#16977
20M → 21M19624+172#16977#16805
21M → 35K10041+59#16805#16746
35K → 23M14747+100#16746#16646
23M → 24M10945+64#16646#16582
24M → 40K16119+142#16582#16440
40K → 25.2M8517+68#16440#16372
25.2M → Finish1338+125#16372#16247
TOTALS3998561+3437
📊

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