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BOSTON MARATHON 2023

Angela Kwong

Bib: 15831•F

HI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:52/mi
27:33
↑ 97↓ 3451.5%
10K· 6.21 mi
9:04/mi
55:42
↑ 79↓ 1380.4%
15K· 9.32 mi
9:05/mi
1:23:55
↑ 67↓ 78
20K· 12.43 mi
9:12/mi
1:52:29
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
1:58:48
↑ 19↓ 370.5%
25K· 15.53 mi
9:32/mi
2:21:54
↑ 66↓ 880.2%
30K· 18.64 mi
9:58/mi
2:52:53
↑ 181↓ 1480.2%
20M
9:46/mi
3:06:10
↑ 64↓ 500.2%
21M
10:25/mi
3:16:35
↑ 106↓ 241.6%
35K· 21.75 mi
9:24/mi
3:23:37
↑ 17↓ 861.7%
23M
9:44/mi
3:35:48
↑ 23↓ 630.6%
24M
9:48/mi
3:45:36
↓ 821.3%
40K· 24.85 mi
10:18/mi
3:54:24
↓ 200.3%
25.2M
11:39/mi
3:58:25
↑ 13↓ 160.2%
Finish· 26.22 mi
10:44/mi
4:09:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:48
Pace9:04 /mi
2nd Half
Distance13.11 mi
Time2:10:33
Pace9:58 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:3027:338:5227:33
8:52
-
10K
6.21 mi11:49:3955:428:5828:09
9:04
+0:12
15K
9.32 mi12:17:521:23:559:0028:13
9:05
+0:01
20K
12.43 mi12:46:261:52:299:0328:34
9:12
+0:07
Half
13.11 mi12:52:451:58:489:046:19
9:16
+0:04
25K
15.53 mi13:15:512:21:549:0823:06
9:32
+0:16
30K
18.64 mi13:46:502:52:539:1630:59
9:58
+0:26
20M
20.00 mi14:00:073:06:109:1813:17
9:46
-0:12
21M
21.00 mi14:10:323:16:359:2210:25
10:25
+0:39
35K
21.75 mi14:17:343:23:379:227:02
9:24
-1:01
23M
23.00 mi14:29:453:35:489:2312:11
9:44
+0:20
24M
24.00 mi14:39:333:45:369:249:48
9:48
+0:04
40K
24.85 mi14:48:213:54:249:268:48
10:18
+0:30
25.2M
25.20 mi14:52:223:58:259:284:01
11:39
+1:21
Finish
26.22 mi15:03:184:09:219:3110:56
10:44
-0:55

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

8:52 /mi

Average Pace

9:31 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:48

48% of race

Time at Steady Pace

1:36:23

39% of race

Time at Slower Pace

34:10

14% of race

Average Pace: 9:31 /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 mi11:21:3027:338:5227:33
8:52
#19842
10K
6.21 mi11:49:3955:428:5828:09
9:04
#20495
15K
9.32 mi12:17:521:23:559:0028:13
9:05
#20590
20K
12.43 mi12:46:261:52:299:0328:34
9:12
#20589
Half
13.11 mi12:52:451:58:489:046:19
9:16
#20620
25K
15.53 mi13:15:512:21:549:0823:06
9:32
#20701
30K
18.64 mi13:46:502:52:539:1630:59
9:58
#20729
20M
20.00 mi14:00:073:06:109:1813:17
9:46
#20634
21M
21.00 mi14:10:323:16:359:2210:25
10:25
#20546
35K
21.75 mi14:17:343:23:379:227:02
9:24
#20506
23M
23.00 mi14:29:453:35:489:2312:11
9:44
#20407
24M
24.00 mi14:39:333:45:369:249:48
9:48
#20394
40K
24.85 mi14:48:213:54:249:268:48
10:18
#20394
25.2M
25.20 mi14:52:223:58:259:284:01
11:39
#20412
Finish
26.22 mi15:03:184:09:219:3110:56
10:44
#20579
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi198427715771520876(Top 78%)8170(Top 72%)8170(Top 1002%)
10K6.21 mi3.10 mi20495-6538032-3178032-31721128(Top 79%)8341(Top 73%)8341(Top 1023%)
15K9.32 mi3.11 mi20590-958069-378069-3720876(Top 78%)8170(Top 72%)8170(Top 1002%)
20K12.43 mi3.11 mi20589+18048+218048+2120554(Top 77%)7987(Top 70%)7987(Top 980%)
Half13.11 mi0.68 mi20620-318060-128060-1221371(Top 80%)8443(Top 74%)8443(Top 1036%)
25K15.53 mi2.42 mi20701-818096-368096-3620926(Top 79%)8227(Top 72%)8227(Top 1009%)
30K18.64 mi3.11 mi20729-288121-258121-2520956(Top 79%)8320(Top 73%)8320(Top 1021%)
20M20.00 mi1.36 mi20634+958096+258096+2519794(Top 74%)7749(Top 68%)7749(Top 951%)
21M21.00 mi1.00 mi20546+888058+388058+3819335(Top 73%)7543(Top 66%)7543(Top 926%)
35K21.75 mi0.75 mi20506+408046+128046+1219576(Top 74%)7701(Top 67%)7701(Top 945%)
23M23.00 mi1.25 mi20407+997999+477999+4719207(Top 72%)7531(Top 66%)7531(Top 924%)
24M24.00 mi1.00 mi20394+138003-48003-420242(Top 76%)8116(Top 71%)8116(Top 996%)
40K24.85 mi0.85 mi203948011-88011-820732(Top 78%)8459(Top 74%)8459(Top 1038%)
25.2M25.20 mi0.35 mi20412-188027-168027-1621869(Top 82%)9053(Top 79%)9053(Top 1111%)
Finish26.22 mi1.02 mi20579-1678131-1048131-10423463(Top 88%)9887(Top 87%)9887(Top 1213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21story building
+97ft-345ft

Overall

20876

Females

8170

F55-59

8170

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

21128

Females

8341

F55-59

8341

10K→15K

6.2 - 9.3 mi

Top 78%
×3story building
+67ft-78ft

Overall

20876

Females

8170

F55-59

8170

15K→20K

9.3 - 12.4 mi

Top 77%
×5story building
+106ft-86ft

Overall

20554

Females

7987

F55-59

7987

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

21371

Females

8443

F55-59

8443

Half→25K

13.1 - 15.5 mi

Top 79%
×4story building
+66ft-88ft

Overall

20926

Females

8227

F55-59

8227

25K→30K

15.5 - 18.6 mi

Top 79%
×9story building
+181ft-148ft

Overall

20956

Females

8320

F55-59

8320

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19794

Females

7749

F55-59

7749

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19335

Females

7543

F55-59

7543

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19576

Females

7701

F55-59

7701

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19207

Females

7531

F55-59

7531

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20242

Females

8116

F55-59

8116

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20732

Females

8459

F55-59

8459

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21869

Females

9053

F55-59

9053

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

23463

Females

9887

F55-59

9887

Passing Analysis

Category:
Athletes Passed
1156
Passed By
1893
Net Change
-737
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19842
5K → 10K91744-653#19842#20495
10K → 15K140235-95#20495#20590
15K → 20K162161+1#20590#20589
20K → Half1647-31#20589#20620
Half → 25K78159-81#20620#20701
25K → 30K138166-28#20701#20729
30K → 20M11722+95#20729#20634
20M → 21M12032+88#20634#20546
21M → 35K6222+40#20546#20506
35K → 23M12122+99#20506#20407
23M → 24M4128+13#20407#20394
24M → 40K44440#20394#20394
40K → 25.2M1937-18#20394#20412
25.2M → Finish7174-167#20412#20579
TOTALS11561893-737
📊

Passing Visuals

Category:
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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