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BOSTON MARATHON 2023

Merinda Self

Bib: 11329•F

KS

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 25%
Gender (Female)
#0 / 11423
Top 7%
Division (F18-39)
#0 / 4884
Top 13%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:21
Rank: #7463
Start → 5K
22:21 | 7:12/mi
10K· 6.21 mi
44:20
Rank: #7334 (+129)
5K → 10K
21:59 | 7:05/mi
15K· 9.32 mi
1:06:40
Rank: #7438 (-104)
10K → 15K
22:20 | 7:11/mi
20K· 12.43 mi
1:29:19
Rank: #7456 (-18)
15K → 20K
22:39 | 7:17/mi
Half· 13.11 mi
1:34:09
Rank: #7427 (+29)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:51:50
Rank: #7371 (+56)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:14:48
Rank: #7174 (+197)
25K → 30K
22:58 | 7:24/mi
20M
2:24:47
Rank: #7047 (+127)
30K → 20M
9:59 | 7:21/mi
21M
2:32:42
Rank: #6991 (+56)
20M → 21M
7:55 | 7:55/mi
35K· 21.75 mi
2:38:04
Rank: #6944 (+47)
21M → 35K
5:22 | 7:10/mi
23M
2:47:30
Rank: #6892 (+52)
35K → 23M
9:26 | 7:32/mi
24M
2:54:46
Rank: #6829 (+63)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
3:01:04
Rank: #6752 (+77)
24M → 40K
6:18 | 7:22/mi
25.2M
3:03:44
Rank: #6705 (+47)
40K → 25.2M
2:40 | 7:44/mi
Finish· 26.22 mi
3:10:49
Rank: #6598 (+107)
25.2M → Finish
7:05 | 6:57/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:09
Pace7:11 /mi
2nd Half
Distance13.11 mi
Time1:36:40
Pace7:22 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1922:217:1222:21
7:12
-
10K
6.21 mi11:11:1844:207:0821:59
7:05
-0:07
15K
9.32 mi11:33:381:06:407:0922:20
7:11
+0:06
20K
12.43 mi11:56:171:29:197:1122:39
7:17
+0:06
Half
13.11 mi12:01:071:34:097:114:50
7:05
-0:12
25K
15.53 mi12:18:481:51:507:1217:41
7:18
+0:13
30K
18.64 mi12:41:462:14:487:1422:58
7:24
+0:06
20M
20.00 mi12:51:452:24:477:149:59
7:21
-0:03
21M
21.00 mi12:59:402:32:427:167:55
7:55
+0:34
35K
21.75 mi13:05:022:38:047:165:22
7:10
-0:45
23M
23.00 mi13:14:282:47:307:179:26
7:32
+0:22
24M
24.00 mi13:21:442:54:467:177:16
7:16
-0:16
40K
24.85 mi13:28:023:01:047:176:18
7:22
+0:06
25.2M
25.20 mi13:30:423:03:447:172:40
7:44
+0:22
Finish
26.22 mi13:37:473:10:497:177:05
6:57
-0:47

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

6:57 /mi

Average Pace

7:17 /mi

Slowest Pace

7:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:00:14

94% of race

Time at Steady Pace

10:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:17 /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 mi10:49:1922:217:1222:21
7:12
#7463
10K
6.21 mi11:11:1844:207:0821:59
7:05
#7334
15K
9.32 mi11:33:381:06:407:0922:20
7:11
#7438
20K
12.43 mi11:56:171:29:197:1122:39
7:17
#7456
Half
13.11 mi12:01:071:34:097:114:50
7:05
#7427
25K
15.53 mi12:18:481:51:507:1217:41
7:18
#7371
30K
18.64 mi12:41:462:14:487:1422:58
7:24
#7174
20M
20.00 mi12:51:452:24:477:149:59
7:21
#7047
21M
21.00 mi12:59:402:32:427:167:55
7:55
#6991
35K
21.75 mi13:05:022:38:047:165:22
7:10
#6944
23M
23.00 mi13:14:282:47:307:179:26
7:32
#6892
24M
24.00 mi13:21:442:54:467:177:16
7:16
#6829
40K
24.85 mi13:28:023:01:047:176:18
7:22
#6752
25.2M
25.20 mi13:30:423:03:447:172:40
7:44
#6705
Finish
26.22 mi13:37:473:10:497:177:05
6:57
#6598
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74638318317737(Top 29%)979(Top 9%)979(Top 20%)
10K6.21 mi3.10 mi7334+129816+15816+157297(Top 27%)836(Top 7%)836(Top 17%)
15K9.32 mi3.11 mi7438-104846-30846-307737(Top 29%)979(Top 9%)979(Top 20%)
20K12.43 mi3.11 mi7456-18868-22868-227714(Top 29%)1001(Top 9%)1001(Top 20%)
Half13.11 mi0.68 mi7427+29862+6862+67102(Top 27%)794(Top 7%)794(Top 16%)
25K15.53 mi2.42 mi7371+56853+9853+97260(Top 27%)923(Top 8%)923(Top 19%)
30K18.64 mi3.11 mi7174+197816+37816+376572(Top 25%)785(Top 7%)785(Top 16%)
20M20.00 mi1.36 mi7047+127799+17799+175927(Top 22%)691(Top 6%)691(Top 14%)
21M21.00 mi1.00 mi6991+567997996852(Top 26%)1071(Top 9%)1071(Top 22%)
35K21.75 mi0.75 mi6944+47794+5794+56400(Top 24%)879(Top 8%)879(Top 18%)
23M23.00 mi1.25 mi6892+52804-10804-106641(Top 25%)1032(Top 9%)1032(Top 21%)
24M24.00 mi1.00 mi6829+63807-3807-36174(Top 23%)966(Top 8%)966(Top 20%)
40K24.85 mi0.85 mi6752+77803+4803+45913(Top 22%)944(Top 8%)944(Top 19%)
25.2M25.20 mi0.35 mi6705+47799+4799+45108(Top 19%)753(Top 7%)753(Top 15%)
Finish26.22 mi1.02 mi6598+107778+21778+214947(Top 19%)707(Top 6%)707(Top 14%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 29%
×21stories
+97ft-345ft

Overall

7737

Females

979

F18-39

979

5K→10K

3.1 - 6.2 mi

Top 27%
×5stories
+79ft-138ft

Overall

7297

Females

836

F18-39

836

10K→15K

6.2 - 9.3 mi

Top 29%
×3stories
+67ft-78ft

Overall

7737

Females

979

F18-39

979

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

7714

Females

1001

F18-39

1001

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7102

Females

794

F18-39

794

Half→25K

13.1 - 15.5 mi

Top 27%
×4stories
+66ft-88ft

Overall

7260

Females

923

F18-39

923

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6572

Females

785

F18-39

785

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5927

Females

691

F18-39

691

20M→21M

20.0 - 21.0 mi

Top 26%
×8stories
+106ft-24ft

Overall

6852

Females

1071

F18-39

1071

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6400

Females

879

F18-39

879

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6641

Females

1032

F18-39

1032

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6174

Females

966

F18-39

966

24M→40K

24.0 - 24.9 mi

Top 22%
×1story
+6ft-20ft

Overall

5913

Females

944

F18-39

944

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5108

Females

753

F18-39

753

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

4947

Females

707

F18-39

707

Passing Analysis

Category:
Athletes Passed
1588
Passed By
723
Net Change
+865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7463
5K → 10K283154+129#7463#7334
10K → 15K87191-104#7334#7438
15K → 20K110128-18#7438#7456
20K → Half3910+29#7456#7427
Half → 25K10751+56#7427#7371
25K → 30K23235+197#7371#7174
30K → 20M14114+127#7174#7047
20M → 21M8933+56#7047#6991
21M → 35K5811+47#6991#6944
35K → 23M9745+52#6944#6892
23M → 24M8724+63#6892#6829
24M → 40K9114+77#6829#6752
40K → 25.2M503+47#6752#6705
25.2M → Finish11710+107#6705#6598
TOTALS1588723+865
📊

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