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BOSTON MARATHON 2023

Jackie Merrick

Bib: 14980•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Division (F18-39)
#0 / 4884
Top 28%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #10750
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
47:16
Rank: #10973 (-223)
5K → 10K
23:35 | 7:35/mi
15K· 9.32 mi
1:10:47
Rank: #10888 (+85)
10K → 15K
23:31 | 7:34/mi
20K· 12.43 mi
1:34:13
Rank: #10535 (+353)
15K → 20K
23:26 | 7:33/mi
Half· 13.11 mi
1:39:21
Rank: #10530 (+5)
20K → Half
5:08 | 7:32/mi
25K· 15.53 mi
1:57:36
Rank: #10230 (+300)
Half → 25K
18:15 | 7:32/mi
30K· 18.64 mi
2:21:32
Rank: #9923 (+307)
25K → 30K
23:56 | 7:42/mi
20M
2:32:10
Rank: #9806 (+117)
30K → 20M
10:38 | 7:49/mi
21M
2:40:19
Rank: #9701 (+105)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:46:00
Rank: #9668 (+33)
21M → 35K
5:41 | 7:36/mi
23M
2:55:48
Rank: #9556 (+112)
35K → 23M
9:48 | 7:50/mi
24M
3:03:25
Rank: #9502 (+54)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:10:01
Rank: #9418 (+84)
24M → 40K
6:36 | 7:43/mi
25.2M
3:12:51
Rank: #9369 (+49)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:20:21
Rank: #9294 (+75)
25.2M → Finish
7:30 | 7:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:21
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:41:00
Pace7:42 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1423:417:3723:41
7:37
-
10K
6.21 mi11:16:4947:167:3623:35
7:35
-0:02
15K
9.32 mi11:40:201:10:477:3623:31
7:34
-0:01
20K
12.43 mi12:03:461:34:137:3523:26
7:33
-0:01
Half
13.11 mi12:08:541:39:217:355:08
7:32
-0:01
25K
15.53 mi12:27:091:57:367:3418:15
7:32
0:00
30K
18.64 mi12:51:052:21:327:3623:56
7:42
+0:10
20M
20.00 mi13:01:432:32:107:3610:38
7:49
+0:07
21M
21.00 mi13:09:522:40:197:388:09
8:09
+0:20
35K
21.75 mi13:15:332:46:007:385:41
7:36
-0:33
23M
23.00 mi13:25:212:55:487:399:48
7:50
+0:14
24M
24.00 mi13:32:583:03:257:397:37
7:37
-0:13
40K
24.85 mi13:39:343:10:017:396:36
7:43
+0:06
25.2M
25.20 mi13:42:243:12:517:392:50
8:13
+0:30
Finish
26.22 mi13:49:543:20:217:397:30
7:22
-0:51

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

7:22 /mi

Average Pace

7:39 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:09:22

95% of race

Time at Steady Pace

10:59

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:38 /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 mi10:53:1423:417:3723:41
7:37
#10750
10K
6.21 mi11:16:4947:167:3623:35
7:35
#10973
15K
9.32 mi11:40:201:10:477:3623:31
7:34
#10888
20K
12.43 mi12:03:461:34:137:3523:26
7:33
#10535
Half
13.11 mi12:08:541:39:217:355:08
7:32
#10530
25K
15.53 mi12:27:091:57:367:3418:15
7:32
#10230
30K
18.64 mi12:51:052:21:327:3623:56
7:42
#9923
20M
20.00 mi13:01:432:32:107:3610:38
7:49
#9806
21M
21.00 mi13:09:522:40:197:388:09
8:09
#9701
35K
21.75 mi13:15:332:46:007:385:41
7:36
#9668
23M
23.00 mi13:25:212:55:487:399:48
7:50
#9556
24M
24.00 mi13:32:583:03:257:397:37
7:37
#9502
40K
24.85 mi13:39:343:10:017:396:36
7:43
#9418
25.2M
25.20 mi13:42:243:12:517:392:50
8:13
#9369
Finish
26.22 mi13:49:543:20:217:397:30
7:22
#9294
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi107502198219810760(Top 40%)2207(Top 19%)2207(Top 45%)
10K6.21 mi3.10 mi10973-2232309-1112309-11111247(Top 42%)2459(Top 22%)2459(Top 50%)
15K9.32 mi3.11 mi10888+852272+372272+3710760(Top 40%)2207(Top 19%)2207(Top 45%)
20K12.43 mi3.11 mi10535+3532088+1842088+1849667(Top 36%)1764(Top 15%)1764(Top 36%)
Half13.11 mi0.68 mi10530+52082+62082+610512(Top 39%)2162(Top 19%)2162(Top 44%)
25K15.53 mi2.42 mi10230+3001964+1181964+1188944(Top 34%)1542(Top 13%)1542(Top 32%)
30K18.64 mi3.11 mi9923+3071861+1031861+1038680(Top 33%)1589(Top 14%)1589(Top 33%)
20M20.00 mi1.36 mi9806+1171831+301831+309083(Top 34%)1823(Top 16%)1823(Top 37%)
21M21.00 mi1.00 mi9701+1051801+301801+308332(Top 31%)1658(Top 15%)1658(Top 34%)
35K21.75 mi0.75 mi9668+331808-71808-79283(Top 35%)2036(Top 18%)2036(Top 42%)
23M23.00 mi1.25 mi9556+1121790+181790+188622(Top 32%)1849(Top 16%)1849(Top 38%)
24M24.00 mi1.00 mi9502+541795-51795-58543(Top 32%)1895(Top 17%)1895(Top 39%)
40K24.85 mi0.85 mi9418+841800-51800-58130(Top 31%)1794(Top 16%)1794(Top 37%)
25.2M25.20 mi0.35 mi9369+491789+111789+117854(Top 30%)1766(Top 15%)1766(Top 36%)
Finish26.22 mi1.02 mi9294+751777+121777+127537(Top 28%)1642(Top 14%)1642(Top 34%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10760

Females

2207

F18-39

2207

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

11247

Females

2459

F18-39

2459

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10760

Females

2207

F18-39

2207

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

9667

Females

1764

F18-39

1764

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10512

Females

2162

F18-39

2162

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

8944

Females

1542

F18-39

1542

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8680

Females

1589

F18-39

1589

30K→20M

18.6 - 20.0 mi

Top 34%
×5stories
+64ft-50ft

Overall

9083

Females

1823

F18-39

1823

20M→21M

20.0 - 21.0 mi

Top 31%
×8stories
+106ft-24ft

Overall

8332

Females

1658

F18-39

1658

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9283

Females

2036

F18-39

2036

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8622

Females

1849

F18-39

1849

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

8543

Females

1895

F18-39

1895

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8130

Females

1794

F18-39

1794

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

7854

Females

1766

F18-39

1766

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7537

Females

1642

F18-39

1642

Passing Analysis

Category:
Athletes Passed
2339*
Passed By
883
Net Change
+1456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10750
5K → 10K203426-223#10750#10973
10K → 15K226141+85#10973#10888
15K → 20K39138+353#10888#10535
20K → Half3328+5#10535#10530
Half → 25K31515+300#10530#10230
25K → 30K342*35+307#10230#9923
30K → 20M14124+117#9923#9806
20M → 21M13429+105#9806#9701
21M → 35K5724+33#9701#9668
35K → 23M15139+112#9668#9556
23M → 24M9339+54#9556#9502
24M → 40K106*22+84#9502#9418
40K → 25.2M545+49#9418#9369
25.2M → Finish9318+75#9369#9294
TOTALS2339*883+1456

* 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