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BOSTON MARATHON 2023

Sophie Dent

Bib: 16562•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 32%
Division (F18-39)
#0 / 4884
Top 50%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:32
Rank: #13231
Start → 5K
24:32 | 7:54/mi
10K· 6.21 mi
48:42
Rank: #13073 (+158)
5K → 10K
24:10 | 7:47/mi
15K· 9.32 mi
1:13:17
Rank: #13259 (-186)
10K → 15K
24:35 | 7:55/mi
20K· 12.43 mi
1:37:50
Rank: #13071 (+188)
15K → 20K
24:33 | 7:54/mi
Half· 13.11 mi
1:43:12
Rank: #13072 (-1)
20K → Half
5:22 | 7:52/mi
25K· 15.53 mi
2:02:37
Rank: #12991 (+81)
Half → 25K
19:25 | 8:00/mi
30K· 18.64 mi
2:27:57
Rank: #12792 (+199)
25K → 30K
25:20 | 8:09/mi
20M
2:39:28
Rank: #12827 (-35)
30K → 20M
11:31 | 8:28/mi
21M
2:48:18
Rank: #12766 (+61)
20M → 21M
8:50 | 8:50/mi
35K· 21.75 mi
2:54:36
Rank: #12854 (-88)
21M → 35K
6:18 | 8:25/mi
23M
3:05:15
Rank: #12881 (-27)
35K → 23M
10:39 | 8:30/mi
24M
3:13:39
Rank: #12908 (-27)
23M → 24M
8:24 | 8:24/mi
40K· 24.85 mi
3:20:53
Rank: #12894 (+14)
24M → 40K
7:14 | 8:28/mi
25.2M
3:23:59
Rank: #12883 (+11)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:32:23
Rank: #12902 (-19)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:12
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:49:11
Pace8:20 /mi
📊Positive Split: 5.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4824:327:5424:32
7:54
-
10K
6.21 mi11:38:5848:427:5024:10
7:47
-0:07
15K
9.32 mi12:03:331:13:177:5224:35
7:55
+0:08
20K
12.43 mi12:28:061:37:507:5224:33
7:54
-0:01
Half
13.11 mi12:33:281:43:127:525:22
7:52
-0:02
25K
15.53 mi12:52:532:02:377:5419:25
8:00
+0:08
30K
18.64 mi13:18:132:27:577:5625:20
8:09
+0:09
20M
20.00 mi13:29:442:39:287:5811:31
8:28
+0:19
21M
21.00 mi13:38:342:48:188:018:50
8:50
+0:22
35K
21.75 mi13:44:522:54:368:026:18
8:25
-0:25
23M
23.00 mi13:55:313:05:158:0310:39
8:30
+0:05
24M
24.00 mi14:03:553:13:398:048:24
8:24
-0:06
40K
24.85 mi14:11:093:20:538:057:14
8:28
+0:04
25.2M
25.20 mi14:14:153:23:598:063:06
8:59
+0:31
Finish
26.22 mi14:22:393:32:238:068:24
8:15
-0:44

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

7:47 /mi

Average Pace

8:06 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:27

94% of race

Time at Steady Pace

11:56

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:14:4824:327:5424:32
7:54
#13231
10K
6.21 mi11:38:5848:427:5024:10
7:47
#13073
15K
9.32 mi12:03:331:13:177:5224:35
7:55
#13259
20K
12.43 mi12:28:061:37:507:5224:33
7:54
#13071
Half
13.11 mi12:33:281:43:127:525:22
7:52
#13072
25K
15.53 mi12:52:532:02:377:5419:25
8:00
#12991
30K
18.64 mi13:18:132:27:577:5625:20
8:09
#12792
20M
20.00 mi13:29:442:39:287:5811:31
8:28
#12827
21M
21.00 mi13:38:342:48:188:018:50
8:50
#12766
35K
21.75 mi13:44:522:54:368:026:18
8:25
#12854
23M
23.00 mi13:55:313:05:158:0310:39
8:30
#12881
24M
24.00 mi14:03:553:13:398:048:24
8:24
#12908
40K
24.85 mi14:11:093:20:538:057:14
8:28
#12894
25.2M
25.20 mi14:14:153:23:598:063:06
8:59
#12883
Finish
26.22 mi14:22:393:32:238:068:24
8:15
#12902
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi132313574357413697(Top 51%)3903(Top 34%)3903(Top 80%)
10K6.21 mi3.10 mi13073+1583493+813493+8112969(Top 49%)3415(Top 30%)3415(Top 70%)
15K9.32 mi3.11 mi13259-1863614-1213614-12113697(Top 51%)3903(Top 34%)3903(Top 80%)
20K12.43 mi3.11 mi13071+1883525+893525+8912665(Top 48%)3366(Top 29%)3366(Top 69%)
Half13.11 mi0.68 mi13072-13525352513430(Top 50%)3776(Top 33%)3776(Top 77%)
25K15.53 mi2.42 mi12991+813498+273498+2712841(Top 48%)3551(Top 31%)3551(Top 73%)
30K18.64 mi3.11 mi12792+1993426+723426+7212048(Top 45%)3214(Top 28%)3214(Top 66%)
20M20.00 mi1.36 mi12827-353467-413467-4113510(Top 51%)4138(Top 36%)4138(Top 85%)
21M21.00 mi1.00 mi12766+613453+143453+1412495(Top 47%)3694(Top 32%)3694(Top 76%)
35K21.75 mi0.75 mi12854-883521-683521-6814921(Top 56%)5075(Top 44%)5075(Top 104%)
23M23.00 mi1.25 mi12881-273561-403561-4013318(Top 50%)4260(Top 37%)4260(Top 87%)
24M24.00 mi1.00 mi12908-273594-333594-3313934(Top 52%)4646(Top 41%)4646(Top 95%)
40K24.85 mi0.85 mi12894+143612-183612-1813140(Top 49%)4296(Top 38%)4296(Top 88%)
25.2M25.20 mi0.35 mi12883+113612361212613(Top 47%)4067(Top 36%)4067(Top 83%)
Finish26.22 mi1.02 mi12902-193643-313643-3113785(Top 52%)4643(Top 41%)4643(Top 95%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

13697

Females

3903

F18-39

3903

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12969

Females

3415

F18-39

3415

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

13697

Females

3903

F18-39

3903

15K→20K

9.3 - 12.4 mi

Top 48%
×5stories
+106ft-86ft

Overall

12665

Females

3366

F18-39

3366

20K→Half

12.4 - 13.1 mi

Top 50%
×2stories
+19ft-37ft

Overall

13430

Females

3776

F18-39

3776

Half→25K

13.1 - 15.5 mi

Top 48%
×4stories
+66ft-88ft

Overall

12841

Females

3551

F18-39

3551

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12048

Females

3214

F18-39

3214

30K→20M

18.6 - 20.0 mi

Top 51%
×5stories
+64ft-50ft

Overall

13510

Females

4138

F18-39

4138

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

12495

Females

3694

F18-39

3694

21M→35K

21.0 - 21.8 mi

Top 56%
×7stories
+17ft-86ft

Overall

14921

Females

5075

F18-39

5075

35K→23M

21.8 - 23.0 mi

Top 50%
×5stories
+23ft-63ft

Overall

13318

Females

4260

F18-39

4260

23M→24M

23.0 - 24.0 mi

Top 52%
×6stories
+12ft-82ft

Overall

13934

Females

4646

F18-39

4646

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13140

Females

4296

F18-39

4296

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12613

Females

4067

F18-39

4067

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13785

Females

4643

F18-39

4643

Passing Analysis

Category:
Athletes Passed
1853
Passed By
1524
Net Change
+329
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13231
5K → 10K398240+158#13231#13073
10K → 15K144330-186#13073#13259
15K → 20K27587+188#13259#13071
20K → Half3536-1#13071#13072
Half → 25K187106+81#13072#12991
25K → 30K28384+199#12991#12792
30K → 20M90125-35#12792#12827
20M → 21M12261+61#12827#12766
21M → 35K27115-88#12766#12854
35K → 23M7198-27#12854#12881
23M → 24M6087-27#12881#12908
24M → 40K7561+14#12908#12894
40K → 25.2M3423+11#12894#12883
25.2M → Finish5271-19#12883#12902
TOTALS18531524+329
📊

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