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BOSTON MARATHON 2023

Maggie Barron

Bib: 14529•F

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0:00
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:41
Rank: #10743
Start → 5K
23:41 | 7:37/mi
10K· 6.21 mi
46:44
Rank: #10231 (+512)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:09:35
Rank: #9752 (+479)
10K → 15K
22:51 | 7:21/mi
20K· 12.43 mi
1:32:18
Rank: #9207 (+545)
15K → 20K
22:43 | 7:19/mi
Half· 13.11 mi
1:37:09
Rank: #9099 (+108)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:54:53
Rank: #8809 (+290)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:18:02
Rank: #8394 (+415)
25K → 30K
23:09 | 7:27/mi
20M
2:28:19
Rank: #8285 (+109)
30K → 20M
10:17 | 7:34/mi
21M
2:36:04
Rank: #8126 (+159)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:41:30
Rank: #8063 (+63)
21M → 35K
5:26 | 7:16/mi
23M
2:50:55
Rank: #7931 (+132)
35K → 23M
9:25 | 7:31/mi
24M
2:58:08
Rank: #7809 (+122)
23M → 24M
7:13 | 7:13/mi
40K· 24.85 mi
3:04:23
Rank: #7691 (+118)
24M → 40K
6:15 | 7:19/mi
25.2M
3:06:54
Rank: #7582 (+109)
40K → 25.2M
2:31 | 7:18/mi
Finish· 26.22 mi
3:13:36
Rank: #7321 (+261)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:37:09
Pace7:25 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0423:417:3723:41
7:37
-
10K
6.21 mi11:42:0746:447:3123:03
7:25
-0:12
15K
9.32 mi12:04:581:09:357:2822:51
7:21
-0:04
20K
12.43 mi12:27:411:32:187:2622:43
7:19
-0:02
Half
13.11 mi12:32:321:37:097:254:51
7:07
-0:12
25K
15.53 mi12:50:161:54:537:2417:44
7:19
+0:12
30K
18.64 mi13:13:252:18:027:2423:09
7:27
+0:08
20M
20.00 mi13:23:422:28:197:2510:17
7:34
+0:07
21M
21.00 mi13:31:272:36:047:267:45
7:45
+0:11
35K
21.75 mi13:36:532:41:307:265:26
7:16
-0:29
23M
23.00 mi13:46:182:50:557:269:25
7:31
+0:15
24M
24.00 mi13:53:312:58:087:257:13
7:13
-0:18
40K
24.85 mi13:59:463:04:237:256:15
7:19
+0:06
25.2M
25.20 mi14:02:173:06:547:252:31
7:18
-0:01
Finish
26.22 mi14:08:593:13:367:236:42
6:34
-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

6:34 /mi

Average Pace

7:23 /mi

Slowest Pace

7:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

18:46

10% of race

Time at Steady Pace

2:47:05

86% of race

Time at Slower Pace

7:45

4% of race

Average Pace: 7:23 /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 mi11:19:0423:417:3723:41
7:37
#10743
10K
6.21 mi11:42:0746:447:3123:03
7:25
#10231
15K
9.32 mi12:04:581:09:357:2822:51
7:21
#9752
20K
12.43 mi12:27:411:32:187:2622:43
7:19
#9207
Half
13.11 mi12:32:321:37:097:254:51
7:07
#9099
25K
15.53 mi12:50:161:54:537:2417:44
7:19
#8809
30K
18.64 mi13:13:252:18:027:2423:09
7:27
#8394
20M
20.00 mi13:23:422:28:197:2510:17
7:34
#8285
21M
21.00 mi13:31:272:36:047:267:45
7:45
#8126
35K
21.75 mi13:36:532:41:307:265:26
7:16
#8063
23M
23.00 mi13:46:182:50:557:269:25
7:31
#7931
24M
24.00 mi13:53:312:58:087:257:13
7:13
#7809
40K
24.85 mi13:59:463:04:237:256:15
7:19
#7691
25.2M
25.20 mi14:02:173:06:547:252:31
7:18
#7582
Finish
26.22 mi14:08:593:13:367:236:42
6:34
#7321
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10743219121918978(Top 34%)1433(Top 13%)1433(Top 29%)
10K6.21 mi3.10 mi10231+5121939+2521939+2529800(Top 37%)1726(Top 15%)1726(Top 35%)
15K9.32 mi3.11 mi9752+4791727+2121727+2128978(Top 34%)1433(Top 13%)1433(Top 29%)
20K12.43 mi3.11 mi9207+5451515+2121515+2127886(Top 30%)1067(Top 9%)1067(Top 22%)
Half13.11 mi0.68 mi9099+1081478+371478+377287(Top 27%)853(Top 7%)853(Top 17%)
25K15.53 mi2.42 mi8809+2901377+1011377+1017388(Top 28%)973(Top 9%)973(Top 20%)
30K18.64 mi3.11 mi8394+4151263+1141263+1146915(Top 26%)906(Top 8%)906(Top 19%)
20M20.00 mi1.36 mi8285+1091245+181245+187294(Top 27%)1132(Top 10%)1132(Top 23%)
21M21.00 mi1.00 mi8126+1591200+451200+455936(Top 22%)785(Top 7%)785(Top 16%)
35K21.75 mi0.75 mi8063+631188+121188+126936(Top 26%)1077(Top 9%)1077(Top 22%)
23M23.00 mi1.25 mi7931+1321159+291159+296558(Top 25%)1009(Top 9%)1009(Top 21%)
24M24.00 mi1.00 mi7809+1221135+241135+245869(Top 22%)849(Top 7%)849(Top 17%)
40K24.85 mi0.85 mi7691+1181106+291106+295556(Top 21%)832(Top 7%)832(Top 17%)
25.2M25.20 mi0.35 mi7582+1091084+221084+223039(Top 11%)268(Top 2%)268(Top 5%)
Finish26.22 mi1.02 mi7321+2611022+621022+622892(Top 11%)273(Top 2%)273(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

8978

Females

1433

F18-39

1433

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9800

Females

1726

F18-39

1726

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

8978

Females

1433

F18-39

1433

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

7886

Females

1067

F18-39

1067

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7287

Females

853

F18-39

853

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7388

Females

973

F18-39

973

25K→30K

15.5 - 18.6 mi

Top 26%
×9stories
+181ft-148ft

Overall

6915

Females

906

F18-39

906

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7294

Females

1132

F18-39

1132

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5936

Females

785

F18-39

785

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6936

Females

1077

F18-39

1077

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6558

Females

1009

F18-39

1009

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5869

Females

849

F18-39

849

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5556

Females

832

F18-39

832

40K→25.2M

24.9 - 25.2 mi

Top 11%
×1story
+13ft-16ft

Overall

3039

Females

268

F18-39

268

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2892

Females

273

F18-39

273

Passing Analysis

Category:
Athletes Passed
3679*
Passed By
257
Net Change
+3422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10743
5K → 10K623*111+512#10743#10231
10K → 15K500*21+479#10231#9752
15K → 20K552*7+545#9752#9207
20K → Half1080+108#9207#9099
Half → 25K2944+290#9099#8809
25K → 30K43116+415#8809#8394
30K → 20M12718+109#8394#8285
20M → 21M17314+159#8285#8126
21M → 35K8017+63#8126#8063
35K → 23M15422+132#8063#7931
23M → 24M13816+122#7931#7809
24M → 40K1279+118#7809#7691
40K → 25.2M1101+109#7691#7582
25.2M → Finish2621+261#7582#7321
TOTALS3679*257+3422

* 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