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BOSTON MARATHON 2023

Marcia Peng

Bib: 24359•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:23
Rank: #19555
Start → 5K
27:23 | 8:49/mi
10K· 6.21 mi
55:02
Rank: #19972 (-417)
5K → 10K
27:39 | 8:54/mi
15K· 9.32 mi
1:23:15
Rank: #20269 (-297)
10K → 15K
28:13 | 9:05/mi
20K· 12.43 mi
1:52:13
Rank: #20489 (-220)
15K → 20K
28:58 | 9:19/mi
Half· 13.11 mi
1:58:34
Rank: #20554 (-65)
20K → Half
6:21 | 9:18/mi
25K· 15.53 mi
2:23:29
Rank: #21084 (-530)
Half → 25K
24:55 | 10:17/mi
30K· 18.64 mi
2:54:59
Rank: #21143 (-59)
25K → 30K
31:30 | 10:08/mi
20M
3:09:31
Rank: #21204 (-61)
30K → 20M
14:32 | 10:42/mi
21M
3:20:57
Rank: #21253 (-49)
20M → 21M
11:26 | 11:26/mi
35K· 21.75 mi
3:28:59
Rank: #21315 (-62)
21M → 35K
8:02 | 10:44/mi
23M
3:42:54
Rank: #21425 (-110)
35K → 23M
13:55 | 11:07/mi
24M
3:53:43
Rank: #21504 (-79)
23M → 24M
10:49 | 10:49/mi
40K· 24.85 mi
4:02:53
Rank: #21511 (-7)
24M → 40K
9:10 | 10:43/mi
25.2M
4:06:57
Rank: #21526 (-15)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
4:16:50
Rank: #21496 (+30)
25.2M → Finish
9:53 | 9:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:34
Pace9:03 /mi
2nd Half
Distance13.11 mi
Time2:18:16
Pace10:33 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:3027:238:4927:23
8:49
-
10K
6.21 mi12:10:0955:028:5127:39
8:54
+0:05
15K
9.32 mi12:38:221:23:158:5628:13
9:05
+0:11
20K
12.43 mi13:07:201:52:139:0228:58
9:19
+0:14
Half
13.11 mi13:13:411:58:349:036:21
9:18
-0:01
25K
15.53 mi13:38:362:23:299:1424:55
10:17
+0:59
30K
18.64 mi14:10:062:54:599:2331:30
10:08
-0:09
20M
20.00 mi14:24:383:09:319:2914:32
10:42
+0:34
21M
21.00 mi14:36:043:20:579:3411:26
11:26
+0:44
35K
21.75 mi14:44:063:28:599:378:02
10:44
-0:42
23M
23.00 mi14:58:013:42:549:4113:55
11:07
+0:23
24M
24.00 mi15:08:503:53:439:4410:49
10:49
-0:18
40K
24.85 mi15:18:004:02:539:469:10
10:43
-0:06
25.2M
25.20 mi15:22:044:06:579:484:04
11:48
+1:05
Finish
26.22 mi15:31:574:16:509:489:53
9:42
-2:06

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

8:49 /mi

Average Pace

9:48 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:27

50% of race

Time at Steady Pace

1:28:09

34% of race

Time at Slower Pace

40:14

16% of race

Average Pace: 9:48 /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 mi11:42:3027:238:4927:23
8:49
#19555
10K
6.21 mi12:10:0955:028:5127:39
8:54
#19972
15K
9.32 mi12:38:221:23:158:5628:13
9:05
#20269
20K
12.43 mi13:07:201:52:139:0228:58
9:19
#20489
Half
13.11 mi13:13:411:58:349:036:21
9:18
#20554
25K
15.53 mi13:38:362:23:299:1424:55
10:17
#21084
30K
18.64 mi14:10:062:54:599:2331:30
10:08
#21143
20M
20.00 mi14:24:383:09:319:2914:32
10:42
#21204
21M
21.00 mi14:36:043:20:579:3411:26
11:26
#21253
35K
21.75 mi14:44:063:28:599:378:02
10:44
#21315
23M
23.00 mi14:58:013:42:549:4113:55
11:07
#21425
24M
24.00 mi15:08:503:53:439:4410:49
10:49
#21504
40K
24.85 mi15:18:004:02:539:469:10
10:43
#21511
25.2M
25.20 mi15:22:044:06:579:484:04
11:48
#21526
Finish
26.22 mi15:31:574:16:509:489:53
9:42
#21496
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi195557552755220884(Top 78%)8178(Top 72%)8178(Top 1552%)
10K6.21 mi3.10 mi19972-4177752-2007752-20020431(Top 77%)7944(Top 70%)7944(Top 1507%)
15K9.32 mi3.11 mi20269-2977891-1397891-13920884(Top 78%)8178(Top 72%)8178(Top 1552%)
20K12.43 mi3.11 mi20489-2207994-1037994-10321043(Top 79%)8258(Top 72%)8258(Top 1567%)
Half13.11 mi0.68 mi20554-658023-298023-2921570(Top 81%)8556(Top 75%)8556(Top 1624%)
25K15.53 mi2.42 mi21084-5308313-2908313-29022791(Top 86%)9266(Top 81%)9266(Top 1758%)
30K18.64 mi3.11 mi21143-598359-468359-4621390(Top 80%)8570(Top 75%)8570(Top 1626%)
20M20.00 mi1.36 mi21204-618419-608419-6022144(Top 83%)9060(Top 79%)9060(Top 1719%)
21M21.00 mi1.00 mi21253-498451-328451-3221768(Top 82%)8867(Top 78%)8867(Top 1683%)
35K21.75 mi0.75 mi21315-628489-388489-3822814(Top 86%)9490(Top 83%)9490(Top 1801%)
23M23.00 mi1.25 mi21425-1108559-708559-7022573(Top 85%)9362(Top 82%)9362(Top 1776%)
24M24.00 mi1.00 mi21504-798617-588617-5822694(Top 85%)9467(Top 83%)9467(Top 1796%)
40K24.85 mi0.85 mi21511-78631-148631-1421766(Top 82%)9024(Top 79%)9024(Top 1712%)
25.2M25.20 mi0.35 mi21526-158646-158646-1522142(Top 83%)9201(Top 81%)9201(Top 1746%)
Finish26.22 mi1.02 mi21496+308635+118635+1120815(Top 78%)8476(Top 74%)8476(Top 1608%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20884

Females

8178

F60-64

8178

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20431

Females

7944

F60-64

7944

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20884

Females

8178

F60-64

8178

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

21043

Females

8258

F60-64

8258

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

21570

Females

8556

F60-64

8556

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22791

Females

9266

F60-64

9266

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

21390

Females

8570

F60-64

8570

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22144

Females

9060

F60-64

9060

20M→21M

20.0 - 21.0 mi

Top 82%
×8stories
+106ft-24ft

Overall

21768

Females

8867

F60-64

8867

21M→35K

21.0 - 21.8 mi

Top 86%
×7stories
+17ft-86ft

Overall

22814

Females

9490

F60-64

9490

35K→23M

21.8 - 23.0 mi

Top 85%
×5stories
+23ft-63ft

Overall

22573

Females

9362

F60-64

9362

23M→24M

23.0 - 24.0 mi

Top 85%
×6stories
+12ft-82ft

Overall

22694

Females

9467

F60-64

9467

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21766

Females

9024

F60-64

9024

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22142

Females

9201

F60-64

9201

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20815

Females

8476

F60-64

8476

Passing Analysis

Category:
Athletes Passed
774
Passed By
2715
Net Change
-1941
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19555
5K → 10K150567-417#19555#19972
10K → 15K93390-297#19972#20269
15K → 20K102322-220#20269#20489
20K → Half1479-65#20489#20554
Half → 25K15545-530#20554#21084
25K → 30K118177-59#21084#21143
30K → 20M53114-61#21143#21204
20M → 21M4594-49#21204#21253
21M → 35K1173-62#21253#21315
35K → 23M42152-110#21315#21425
23M → 24M21100-79#21425#21504
24M → 40K3946-7#21504#21511
40K → 25.2M1530-15#21511#21526
25.2M → Finish5626+30#21526#21496
TOTALS7742715-1941
📊

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