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BOSTON MARATHON 2023

Shawna Yee

Bib: 20438•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F55-59)
#0 / 815
Top 12%
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
8:11/mi
25:25
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
51:37
↑ 79↓ 1380.4%
15K· 9.32 mi
8:17/mi
1:17:21
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:43:03
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:48:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:08:49
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:35:57
↑ 181↓ 1480.2%
20M
8:40/mi
2:47:43
↑ 64↓ 500.2%
21M
9:10/mi
2:56:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:03:12
↑ 17↓ 861.7%
23M
8:30/mi
3:13:51
↑ 23↓ 630.6%
24M
8:23/mi
3:22:14
↓ 821.3%
40K· 24.85 mi
8:32/mi
3:29:32
↓ 200.3%
25.2M
8:56/mi
3:32:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:13/mi
3:40:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:34
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:52:25
Pace8:35 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:3225:258:1125:25
8:11
-
10K
6.21 mi12:06:4451:378:1826:12
8:26
+0:15
15K
9.32 mi12:32:281:17:218:1825:44
8:17
-0:09
20K
12.43 mi12:58:101:43:038:1825:42
8:16
-0:01
Half
13.11 mi13:03:411:48:348:175:31
8:05
-0:11
25K
15.53 mi13:23:562:08:498:1820:15
8:21
+0:16
30K
18.64 mi13:51:042:35:578:2227:08
8:44
+0:23
20M
20.00 mi14:02:502:47:438:2311:46
8:40
-0:04
21M
21.00 mi14:12:002:56:538:259:10
9:10
+0:30
35K
21.75 mi14:18:193:03:128:256:19
8:27
-0:43
23M
23.00 mi14:28:583:13:518:2610:39
8:30
+0:03
24M
24.00 mi14:37:213:22:148:268:23
8:23
-0:07
40K
24.85 mi14:44:393:29:328:267:18
8:32
+0:09
25.2M
25.20 mi14:47:443:32:378:263:05
8:56
+0:24
Finish
26.22 mi14:56:063:40:598:268:22
8:13
-0:43

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

8:05 /mi

Average Pace

8:26 /mi

Slowest Pace

9:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:44

94% of race

Time at Steady Pace

12:15

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:40:3225:258:1125:25
8:11
#15338
10K
6.21 mi12:06:4451:378:1826:12
8:26
#16554
15K
9.32 mi12:32:281:17:218:1825:44
8:17
#16508
20K
12.43 mi12:58:101:43:038:1825:42
8:16
#16225
Half
13.11 mi13:03:411:48:348:175:31
8:05
#16142
25K
15.53 mi13:23:562:08:498:1820:15
8:21
#15986
30K
18.64 mi13:51:042:35:578:2227:08
8:44
#15904
20M
20.00 mi14:02:502:47:438:2311:46
8:40
#15786
21M
21.00 mi14:12:002:56:538:259:10
9:10
#15683
35K
21.75 mi14:18:193:03:128:256:19
8:27
#15650
23M
23.00 mi14:28:583:13:518:2610:39
8:30
#15486
24M
24.00 mi14:37:213:22:148:268:23
8:23
#15403
40K
24.85 mi14:44:393:29:328:267:18
8:32
#15328
25.2M
25.20 mi14:47:443:32:378:263:05
8:56
#15270
Finish
26.22 mi14:56:063:40:598:268:22
8:13
#15178
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi153384858485816433(Top 62%)5552(Top 49%)5552(Top 681%)
10K6.21 mi3.10 mi16554-12165612-7545612-75417815(Top 67%)6376(Top 56%)6376(Top 782%)
15K9.32 mi3.11 mi16508+465599+135599+1316433(Top 62%)5552(Top 49%)5552(Top 681%)
20K12.43 mi3.11 mi16225+2835437+1625437+16215438(Top 58%)4990(Top 44%)4990(Top 612%)
Half13.11 mi0.68 mi16142+835399+385399+3815111(Top 57%)4756(Top 42%)4756(Top 584%)
25K15.53 mi2.42 mi15986+1565329+705329+7015282(Top 57%)5006(Top 44%)5006(Top 614%)
30K18.64 mi3.11 mi15904+825317+125317+1215699(Top 59%)5325(Top 47%)5325(Top 653%)
20M20.00 mi1.36 mi15786+1185264+535264+5314641(Top 55%)4793(Top 42%)4793(Top 588%)
21M21.00 mi1.00 mi15683+1035235+295235+2914333(Top 54%)4681(Top 41%)4681(Top 574%)
35K21.75 mi0.75 mi15650+335227+85227+815001(Top 56%)5106(Top 45%)5106(Top 627%)
23M23.00 mi1.25 mi15486+1645153+745153+7413307(Top 50%)4249(Top 37%)4249(Top 521%)
24M24.00 mi1.00 mi15403+835111+425111+4213804(Top 52%)4562(Top 40%)4562(Top 560%)
40K24.85 mi0.85 mi15328+755078+335078+3313619(Top 51%)4540(Top 40%)4540(Top 557%)
25.2M25.20 mi0.35 mi15270+585051+275051+2712269(Top 46%)3882(Top 34%)3882(Top 476%)
Finish26.22 mi1.02 mi15178+925015+365015+3613546(Top 51%)4501(Top 39%)4501(Top 552%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16433

Females

5552

F55-59

5552

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17815

Females

6376

F55-59

6376

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16433

Females

5552

F55-59

5552

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15438

Females

4990

F55-59

4990

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

15111

Females

4756

F55-59

4756

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15282

Females

5006

F55-59

5006

25K→30K

15.5 - 18.6 mi

Top 59%
×9story building
+181ft-148ft

Overall

15699

Females

5325

F55-59

5325

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14641

Females

4793

F55-59

4793

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

14333

Females

4681

F55-59

4681

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15001

Females

5106

F55-59

5106

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

13307

Females

4249

F55-59

4249

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13804

Females

4562

F55-59

4562

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13619

Females

4540

F55-59

4540

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12269

Females

3882

F55-59

3882

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13546

Females

4501

F55-59

4501

Passing Analysis

Category:
Athletes Passed
2034
Passed By
1874
Net Change
+160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15338
5K → 10K351251-1216#15338#16554
10K → 15K220174+46#16554#16508
15K → 20K32946+283#16508#16225
20K → Half9613+83#16225#16142
Half → 25K21155+156#16142#15986
25K → 30K213131+82#15986#15904
30K → 20M15335+118#15904#15786
20M → 21M14845+103#15786#15683
21M → 35K6027+33#15683#15650
35K → 23M18117+164#15650#15486
23M → 24M10623+83#15486#15403
24M → 40K9722+75#15403#15328
40K → 25.2M668+58#15328#15270
25.2M → Finish11927+92#15270#15178
TOTALS20341874+160
📊

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