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BOSTON MARATHON 2023

Vicky Shen

Bib: 29964•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 49%
Masters (Masters Women)
#0 / 6539
Top 39%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:54
Rank: #18624
Start → 5K
8:39/mi
26:54 split
10K· 6.21 mi
52:56
Rank: #18017 (+607)
5K → 10K
8:23/mi
26:02 split
15K· 9.32 mi
1:19:03
Rank: #17727 (+290)
10K → 15K
8:24/mi
26:07 split
20K· 12.43 mi
1:45:13
Rank: #17357 (+370)
15K → 20K
8:25/mi
26:10 split
Half· 13.11 mi
1:50:57
Rank: #17339 (+18)
20K → Half
8:24/mi
5:44 split
25K· 15.53 mi
2:11:27
Rank: #17099 (+240)
Half → 25K
8:27/mi
20:30 split
30K· 18.64 mi
2:37:56
Rank: #16610 (+489)
25K → 30K
8:31/mi
26:29 split
20M
2:49:27
Rank: #16360 (+250)
30K → 20M
8:28/mi
11:31 split
21M
2:58:27
Rank: #16179 (+181)
20M → 21M
9:00/mi
9:00 split
35K· 21.75 mi
3:04:46
Rank: #16114 (+65)
21M → 35K
8:27/mi
6:19 split
23M
3:15:42
Rank: #16015 (+99)
35K → 23M
8:44/mi
10:56 split
24M
3:24:17
Rank: #15960 (+55)
23M → 24M
8:35/mi
8:35 split
40K· 24.85 mi
3:31:56
Rank: #15938 (+22)
24M → 40K
8:57/mi
7:39 split
25.2M
3:35:21
Rank: #15952 (-14)
40K → 25.2M
9:54/mi
3:25 split
Finish· 26.22 mi
3:45:20
Rank: #16247 (-295)
25.2M → Finish
9:48/mi
9:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:57
Pace8:28 /mi
2nd Half
Distance13.11 mi
Time1:54:23
Pace8:44 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:5126:548:3926:54
8:39
-
10K
6.21 mi12:10:5352:568:3126:02
8:23
-0:16
15K
9.32 mi12:37:001:19:038:2926:07
8:24
+0:01
20K
12.43 mi13:03:101:45:138:2826:10
8:25
+0:01
Half
13.11 mi13:08:541:50:578:285:44
8:24
-0:01
25K
15.53 mi13:29:242:11:278:2820:30
8:27
+0:03
30K
18.64 mi13:55:532:37:568:2826:29
8:31
+0:04
20M
20.00 mi14:07:242:49:278:2811:31
8:28
-0:03
21M
21.00 mi14:16:242:58:278:309:00
9:00
+0:32
35K
21.75 mi14:22:433:04:468:306:19
8:27
-0:33
23M
23.00 mi14:33:393:15:428:3110:56
8:44
+0:17
24M
24.00 mi14:42:143:24:178:318:35
8:35
-0:09
40K
24.85 mi14:49:533:31:568:327:39
8:57
+0:22
25.2M
25.20 mi14:53:183:35:218:333:25
9:54
+0:57
Finish
26.22 mi15:03:173:45:208:369:59
9:48
-0:06

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

8:23 /mi

Average Pace

8:36 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:31:56

94% of race

Time at Steady Pace

9:59

4% of race

Time at Slower Pace

3:25

2% of race

Average Pace: 8:36 /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 mi11:44:5126:548:3926:54
8:39
#18624
10K
6.21 mi12:10:5352:568:3126:02
8:23
#18017
15K
9.32 mi12:37:001:19:038:2926:07
8:24
#17727
20K
12.43 mi13:03:101:45:138:2826:10
8:25
#17357
Half
13.11 mi13:08:541:50:578:285:44
8:24
#17339
25K
15.53 mi13:29:242:11:278:2820:30
8:27
#17099
30K
18.64 mi13:55:532:37:568:2826:29
8:31
#16610
20M
20.00 mi14:07:242:49:278:2811:31
8:28
#16360
21M
21.00 mi14:16:242:58:278:309:00
9:00
#16179
35K
21.75 mi14:22:433:04:468:306:19
8:27
#16114
23M
23.00 mi14:33:393:15:428:3110:56
8:44
#16015
24M
24.00 mi14:42:143:24:178:318:35
8:35
#15960
40K
24.85 mi14:49:533:31:568:327:39
8:57
#15938
25.2M
25.20 mi14:53:183:35:218:333:25
9:54
#15952
Finish
26.22 mi15:03:173:45:208:369:59
9:48
#16247
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi186246947694717188(Top 65%)6038(Top 53%)6038(Top 322%)
10K6.21 mi3.10 mi18017+6076543+4046543+40417458(Top 66%)6156(Top 54%)6156(Top 328%)
15K9.32 mi3.11 mi17727+2906355+1886355+18817188(Top 65%)6038(Top 53%)6038(Top 322%)
20K12.43 mi3.11 mi17357+3706133+2226133+22216386(Top 62%)5581(Top 49%)5581(Top 297%)
Half13.11 mi0.68 mi17339+186124+96124+917179(Top 65%)5995(Top 52%)5995(Top 319%)
25K15.53 mi2.42 mi17099+2406002+1226002+12215950(Top 60%)5415(Top 47%)5415(Top 288%)
30K18.64 mi3.11 mi16610+4895754+2485754+24814491(Top 54%)4624(Top 40%)4624(Top 246%)
20M20.00 mi1.36 mi16360+2505622+1325622+13213507(Top 51%)4136(Top 36%)4136(Top 220%)
21M21.00 mi1.00 mi16179+1815524+985524+9813455(Top 51%)4200(Top 37%)4200(Top 224%)
35K21.75 mi0.75 mi16114+655505+195505+1915023(Top 56%)5128(Top 45%)5128(Top 273%)
23M23.00 mi1.25 mi16015+995469+365469+3614613(Top 55%)4966(Top 43%)4966(Top 264%)
24M24.00 mi1.00 mi15960+555451+185451+1814999(Top 56%)5237(Top 46%)5237(Top 279%)
40K24.85 mi0.85 mi15938+225445+65445+615896(Top 60%)5794(Top 51%)5794(Top 309%)
25.2M25.20 mi0.35 mi15952-145457-125457-1217047(Top 64%)6439(Top 56%)6439(Top 343%)
Finish26.22 mi1.02 mi16247-2955634-1775634-17721144(Top 79%)8626(Top 76%)8626(Top 459%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17188

Females

6038

F40-44

6038

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17458

Females

6156

F40-44

6156

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17188

Females

6038

F40-44

6038

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

16386

Females

5581

F40-44

5581

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

17179

Females

5995

F40-44

5995

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

15950

Females

5415

F40-44

5415

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14491

Females

4624

F40-44

4624

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

13507

Females

4136

F40-44

4136

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13455

Females

4200

F40-44

4200

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

15023

Females

5128

F40-44

5128

35K→23M

21.8 - 23.0 mi

Top 55%
×5story building
+23ft-63ft

Overall

14613

Females

4966

F40-44

4966

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

14999

Females

5237

F40-44

5237

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15896

Females

5794

F40-44

5794

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

17047

Females

6439

F40-44

6439

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21144

Females

8626

F40-44

8626

Passing Analysis

Category:
Athletes Passed
3181
Passed By
804
Net Change
+2377
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18624
5K → 10K753146+607#18624#18017
10K → 15K36474+290#18017#17727
15K → 20K40636+370#17727#17357
20K → Half3618+18#17357#17339
Half → 25K26323+240#17339#17099
25K → 30K4956+489#17099#16610
30K → 20M2544+250#16610#16360
20M → 21M19312+181#16360#16179
21M → 35K8015+65#16179#16114
35K → 23M13435+99#16114#16015
23M → 24M10045+55#16015#15960
24M → 40K6442+22#15960#15938
40K → 25.2M2438-14#15938#15952
25.2M → Finish15310-295#15952#16247
TOTALS3181804+2377
📊

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