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BOSTON MARATHON 2023

Jessica Van Beek-King

Bib: 10031•F

WI

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 22%
Division (F18-39)
#0 / 4884
Top 37%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:48
Rank: #11120
Start → 5K
23:48 | 7:40/mi
10K· 6.21 mi
47:12
Rank: #10895 (+225)
5K → 10K
23:24 | 7:32/mi
15K· 9.32 mi
1:10:46
Rank: #10873 (+22)
10K → 15K
23:34 | 7:35/mi
20K· 12.43 mi
1:34:45
Rank: #10917 (-44)
15K → 20K
23:59 | 7:43/mi
Half· 13.11 mi
1:39:56
Rank: #10925 (-8)
20K → Half
5:11 | 7:36/mi
25K· 15.53 mi
1:58:56
Rank: #10956 (-31)
Half → 25K
19:00 | 7:50/mi
30K· 18.64 mi
2:23:59
Rank: #10955 (+1)
25K → 30K
25:03 | 8:04/mi
20M
2:35:02
Rank: #10944 (+11)
30K → 20M
11:03 | 8:08/mi
21M
2:43:30
Rank: #10889 (+55)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:49:21
Rank: #10875 (+14)
21M → 35K
5:51 | 7:49/mi
23M
2:59:33
Rank: #10847 (+28)
35K → 23M
10:12 | 8:09/mi
24M
3:07:31
Rank: #10844 (+3)
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:14:25
Rank: #10808 (+36)
24M → 40K
6:54 | 8:04/mi
25.2M
3:17:23
Rank: #10788 (+20)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:25:16
Rank: #10749 (+39)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:56
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:45:20
Pace8:02 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:4123:487:4023:48
7:40
-
10K
6.21 mi11:15:0547:127:3623:24
7:32
-0:08
15K
9.32 mi11:38:391:10:467:3623:34
7:35
+0:03
20K
12.43 mi12:02:381:34:457:3723:59
7:43
+0:08
Half
13.11 mi12:07:491:39:567:375:11
7:36
-0:07
25K
15.53 mi12:26:491:58:567:3919:00
7:50
+0:14
30K
18.64 mi12:51:522:23:597:4325:03
8:04
+0:14
20M
20.00 mi13:02:552:35:027:4511:03
8:08
+0:04
21M
21.00 mi13:11:232:43:307:478:28
8:28
+0:20
35K
21.75 mi13:17:142:49:217:475:51
7:49
-0:39
23M
23.00 mi13:27:262:59:337:4810:12
8:09
+0:20
24M
24.00 mi13:35:243:07:317:497:58
7:58
-0:11
40K
24.85 mi13:42:183:14:257:496:54
8:04
+0:06
25.2M
25.20 mi13:45:163:17:237:502:58
8:36
+0:32
Finish
26.22 mi13:53:093:25:167:507:53
7:44
-0:52

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

7:32 /mi

Average Pace

7:50 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:50

94% of race

Time at Steady Pace

11:26

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:50 /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 mi10:51:4123:487:4023:48
7:40
#11120
10K
6.21 mi11:15:0547:127:3623:24
7:32
#10895
15K
9.32 mi11:38:391:10:467:3623:34
7:35
#10873
20K
12.43 mi12:02:381:34:457:3723:59
7:43
#10917
Half
13.11 mi12:07:491:39:567:375:11
7:36
#10925
25K
15.53 mi12:26:491:58:567:3919:00
7:50
#10956
30K
18.64 mi12:51:522:23:597:4325:03
8:04
#10955
20M
20.00 mi13:02:552:35:027:4511:03
8:08
#10944
21M
21.00 mi13:11:232:43:307:478:28
8:28
#10889
35K
21.75 mi13:17:142:49:217:475:51
7:49
#10875
23M
23.00 mi13:27:262:59:337:4810:12
8:09
#10847
24M
24.00 mi13:35:243:07:317:497:58
7:58
#10844
40K
24.85 mi13:42:183:14:257:496:54
8:04
#10808
25.2M
25.20 mi13:45:163:17:237:502:58
8:36
#10788
Finish
26.22 mi13:53:093:25:167:507:53
7:44
#10749
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi111202393239310899(Top 41%)2285(Top 20%)2285(Top 47%)
10K6.21 mi3.10 mi10895+2252275+1182275+11810730(Top 40%)2171(Top 19%)2171(Top 44%)
15K9.32 mi3.11 mi10873+222267+82267+810899(Top 41%)2285(Top 20%)2285(Top 47%)
20K12.43 mi3.11 mi10917-442297-302297-3011079(Top 42%)2445(Top 21%)2445(Top 50%)
Half13.11 mi0.68 mi10925-82303-62303-611056(Top 42%)2398(Top 21%)2398(Top 49%)
25K15.53 mi2.42 mi10956-312329-262329-2611401(Top 43%)2713(Top 24%)2713(Top 56%)
30K18.64 mi3.11 mi10955+12378-492378-4911389(Top 43%)2840(Top 25%)2840(Top 58%)
20M20.00 mi1.36 mi10944+112404-262404-2611247(Top 42%)2843(Top 25%)2843(Top 58%)
21M21.00 mi1.00 mi10889+552407-32407-310310(Top 39%)2537(Top 22%)2537(Top 52%)
35K21.75 mi0.75 mi10875+142411-42411-410837(Top 41%)2789(Top 24%)2789(Top 57%)
23M23.00 mi1.25 mi10847+282421-102421-1010819(Top 41%)2921(Top 26%)2921(Top 60%)
24M24.00 mi1.00 mi10844+32448-272448-2711021(Top 41%)3094(Top 27%)3094(Top 63%)
40K24.85 mi0.85 mi10808+362454-62454-610533(Top 40%)2895(Top 25%)2895(Top 59%)
25.2M25.20 mi0.35 mi10788+202456-22456-210213(Top 38%)2793(Top 24%)2793(Top 57%)
Finish26.22 mi1.02 mi10749+392471-152471-1510226(Top 38%)2803(Top 25%)2803(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21stories
+97ft-345ft

Overall

10899

Females

2285

F18-39

2285

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10730

Females

2171

F18-39

2171

10K→15K

6.2 - 9.3 mi

Top 41%
×3stories
+67ft-78ft

Overall

10899

Females

2285

F18-39

2285

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11079

Females

2445

F18-39

2445

20K→Half

12.4 - 13.1 mi

Top 42%
×2stories
+19ft-37ft

Overall

11056

Females

2398

F18-39

2398

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11401

Females

2713

F18-39

2713

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11389

Females

2840

F18-39

2840

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11247

Females

2843

F18-39

2843

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10310

Females

2537

F18-39

2537

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10837

Females

2789

F18-39

2789

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10819

Females

2921

F18-39

2921

23M→24M

23.0 - 24.0 mi

Top 41%
×6stories
+12ft-82ft

Overall

11021

Females

3094

F18-39

3094

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10533

Females

2895

F18-39

2895

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10213

Females

2793

F18-39

2793

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10226

Females

2803

F18-39

2803

Passing Analysis

Category:
Athletes Passed
1710*
Passed By
1339
Net Change
+371
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11120
5K → 10K422197+225#11120#10895
10K → 15K191169+22#10895#10873
15K → 20K145189-44#10873#10917
20K → Half2432-8#10917#10925
Half → 25K112143-31#10925#10956
25K → 30K178177+1#10956#10955
30K → 20M96*85+11#10955#10944
20M → 21M10247+55#10944#10889
21M → 35K5137+14#10889#10875
35K → 23M10072+28#10875#10847
23M → 24M7471+3#10847#10844
24M → 40K8145+36#10844#10808
40K → 25.2M4020+20#10808#10788
25.2M → Finish9455+39#10788#10749
TOTALS1710*1339+371

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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