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BOSTON MARATHON 2023

Holly Crow

Bib: 17824•F

MI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 43%
Gender (Female)
#0 / 11423
Top 25%
Division (F18-39)
#0 / 4884
Top 42%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:29
Rank: #13087
Start → 5K
24:29 | 7:53/mi
10K· 6.21 mi
48:51
Rank: #13288 (-201)
5K → 10K
24:22 | 7:51/mi
15K· 9.32 mi
1:13:16
Rank: #13230 (+58)
10K → 15K
24:25 | 7:52/mi
20K· 12.43 mi
1:37:56
Rank: #13129 (+101)
15K → 20K
24:40 | 7:56/mi
Half· 13.11 mi
1:43:19
Rank: #13143 (-14)
20K → Half
5:23 | 7:53/mi
25K· 15.53 mi
2:02:32
Rank: #12941 (+202)
Half → 25K
19:13 | 7:56/mi
30K· 18.64 mi
2:27:27
Rank: #12552 (+389)
25K → 30K
24:55 | 8:01/mi
20M
2:38:15
Rank: #12318 (+234)
30K → 20M
10:48 | 7:57/mi
21M
2:46:45
Rank: #12188 (+130)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:52:29
Rank: #12086 (+102)
21M → 35K
5:44 | 7:40/mi
23M
3:02:23
Rank: #11892 (+194)
35K → 23M
9:54 | 7:54/mi
24M
3:10:17
Rank: #11819 (+73)
23M → 24M
7:54 | 7:54/mi
40K· 24.85 mi
3:16:54
Rank: #11668 (+151)
24M → 40K
6:37 | 7:44/mi
25.2M
3:19:47
Rank: #11604 (+64)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:27:45
Rank: #11532 (+72)
25.2M → Finish
7:58 | 7:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:19
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:44:26
Pace7:58 /mi
📊Positive Split: 1.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0824:297:5324:29
7:53
-
10K
6.21 mi11:39:3048:517:5224:22
7:51
-0:02
15K
9.32 mi12:03:551:13:167:5224:25
7:52
+0:01
20K
12.43 mi12:28:351:37:567:5324:40
7:56
+0:04
Half
13.11 mi12:33:581:43:197:535:23
7:53
-0:03
25K
15.53 mi12:53:112:02:327:5319:13
7:56
+0:03
30K
18.64 mi13:18:062:27:277:5524:55
8:01
+0:05
20M
20.00 mi13:28:542:38:157:5510:48
7:57
-0:04
21M
21.00 mi13:37:242:46:457:568:30
8:30
+0:33
35K
21.75 mi13:43:082:52:297:565:44
7:40
-0:50
23M
23.00 mi13:53:023:02:237:569:54
7:54
+0:14
24M
24.00 mi14:00:563:10:177:567:54
7:54
0:00
40K
24.85 mi14:07:333:16:547:556:37
7:44
-0:10
25.2M
25.20 mi14:10:263:19:477:562:53
8:22
+0:38
Finish
26.22 mi14:18:243:27:457:567:58
7:49
-0:33

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

7:40 /mi

Average Pace

7:56 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:15

96% of race

Time at Steady Pace

8:30

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:55 /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 mi11:15:0824:297:5324:29
7:53
#13087
10K
6.21 mi11:39:3048:517:5224:22
7:51
#13288
15K
9.32 mi12:03:551:13:167:5224:25
7:52
#13230
20K
12.43 mi12:28:351:37:567:5324:40
7:56
#13129
Half
13.11 mi12:33:581:43:197:535:23
7:53
#13143
25K
15.53 mi12:53:112:02:327:5319:13
7:56
#12941
30K
18.64 mi13:18:062:27:277:5524:55
8:01
#12552
20M
20.00 mi13:28:542:38:157:5510:48
7:57
#12318
21M
21.00 mi13:37:242:46:457:568:30
8:30
#12188
35K
21.75 mi13:43:082:52:297:565:44
7:40
#12086
23M
23.00 mi13:53:023:02:237:569:54
7:54
#11892
24M
24.00 mi14:00:563:10:177:567:54
7:54
#11819
40K
24.85 mi14:07:333:16:547:556:37
7:44
#11668
25.2M
25.20 mi14:10:263:19:477:562:53
8:22
#11604
Finish
26.22 mi14:18:243:27:457:567:58
7:49
#11532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130873490349013185(Top 50%)3592(Top 31%)3592(Top 74%)
10K6.21 mi3.10 mi13288-2013619-1293619-12913492(Top 51%)3716(Top 33%)3716(Top 76%)
15K9.32 mi3.11 mi13230+583593+263593+2613185(Top 50%)3592(Top 31%)3592(Top 74%)
20K12.43 mi3.11 mi13129+1013562+313562+3112944(Top 49%)3513(Top 31%)3513(Top 72%)
Half13.11 mi0.68 mi13143-143566-43566-413513(Top 51%)3789(Top 33%)3789(Top 78%)
25K15.53 mi2.42 mi12941+2023471+953471+9512114(Top 46%)3141(Top 27%)3141(Top 64%)
30K18.64 mi3.11 mi12552+3893287+1843287+18411078(Top 42%)2682(Top 23%)2682(Top 55%)
20M20.00 mi1.36 mi12318+2343170+1173170+1179920(Top 37%)2200(Top 19%)2200(Top 45%)
21M21.00 mi1.00 mi12188+1303114+563114+5610512(Top 39%)2633(Top 23%)2633(Top 54%)
35K21.75 mi0.75 mi12086+1023079+353079+359754(Top 37%)2258(Top 20%)2258(Top 46%)
23M23.00 mi1.25 mi11892+1942988+912988+919151(Top 34%)2114(Top 19%)2114(Top 43%)
24M24.00 mi1.00 mi11819+732963+252963+2510552(Top 40%)2859(Top 25%)2859(Top 59%)
40K24.85 mi0.85 mi11668+1512900+632900+638295(Top 31%)1877(Top 16%)1877(Top 38%)
25.2M25.20 mi0.35 mi11604+642878+222878+228759(Top 33%)2162(Top 19%)2162(Top 44%)
Finish26.22 mi1.02 mi11532+722872+62872+610828(Top 41%)3102(Top 27%)3102(Top 64%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

13185

Females

3592

F18-39

3592

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

13492

Females

3716

F18-39

3716

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

13185

Females

3592

F18-39

3592

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12944

Females

3513

F18-39

3513

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

13513

Females

3789

F18-39

3789

Half→25K

13.1 - 15.5 mi

Top 46%
×4stories
+66ft-88ft

Overall

12114

Females

3141

F18-39

3141

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11078

Females

2682

F18-39

2682

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9920

Females

2200

F18-39

2200

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10512

Females

2633

F18-39

2633

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9754

Females

2258

F18-39

2258

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9151

Females

2114

F18-39

2114

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10552

Females

2859

F18-39

2859

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8295

Females

1877

F18-39

1877

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8759

Females

2162

F18-39

2162

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

10828

Females

3102

F18-39

3102

Passing Analysis

Category:
Athletes Passed
2556
Passed By
1001
Net Change
+1555
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13087
5K → 10K216417-201#13087#13288
10K → 15K232174+58#13288#13230
15K → 20K227126+101#13230#13129
20K → Half3246-14#13129#13143
Half → 25K24947+202#13143#12941
25K → 30K42334+389#12941#12552
30K → 20M24511+234#12552#12318
20M → 21M16131+130#12318#12188
21M → 35K1097+102#12188#12086
35K → 23M21117+194#12086#11892
23M → 24M10936+73#11892#11819
24M → 40K1598+151#11819#11668
40K → 25.2M728+64#11668#11604
25.2M → Finish11139+72#11604#11532
TOTALS25561001+1555
📊

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