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BOSTON MARATHON 2023

Joy Shen

Bib: 16796•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:26
Rank: #12973
Start → 5K
24:26 | 7:52/mi
10K· 6.21 mi
48:41
Rank: #13036 (-63)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:14:13
Rank: #14075 (-1039)
10K → 15K
25:32 | 8:13/mi
20K· 12.43 mi
1:41:31
Rank: #15368 (-1293)
15K → 20K
27:18 | 8:47/mi
Half· 13.11 mi
1:46:59
Rank: #15312 (+56)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:07:56
Rank: #15590 (-278)
Half → 25K
20:57 | 8:38/mi
30K· 18.64 mi
2:36:08
Rank: #15986 (-396)
25K → 30K
28:12 | 9:05/mi
20M
2:49:43
Rank: #16436 (-450)
30K → 20M
13:35 | 10:00/mi
21M
2:58:52
Rank: #16301 (+135)
20M → 21M
9:09 | 9:09/mi
35K· 21.75 mi
3:04:54
Rank: #16156 (+145)
21M → 35K
6:02 | 8:04/mi
23M
3:16:12
Rank: #16142 (+14)
35K → 23M
11:18 | 9:02/mi
24M
3:24:26
Rank: #15993 (+149)
23M → 24M
8:14 | 8:14/mi
40K· 24.85 mi
3:32:02
Rank: #15964 (+29)
24M → 40K
7:36 | 8:53/mi
25.2M
3:34:58
Rank: #15852 (+112)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:42:26
Rank: #15549 (+303)
25.2M → Finish
7:28 | 7:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:59
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:55:27
Pace8:48 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4224:267:5224:26
7:52
-
10K
6.21 mi11:38:5748:417:5024:15
7:48
-0:04
15K
9.32 mi12:04:291:14:137:5825:32
8:13
+0:25
20K
12.43 mi12:31:471:41:318:1027:18
8:47
+0:34
Half
13.11 mi12:37:151:46:598:105:28
8:01
-0:46
25K
15.53 mi12:58:122:07:568:1420:57
8:38
+0:37
30K
18.64 mi13:26:242:36:088:2328:12
9:05
+0:27
20M
20.00 mi13:39:592:49:438:2913:35
10:00
+0:55
21M
21.00 mi13:49:082:58:528:319:09
9:09
-0:51
35K
21.75 mi13:55:103:04:548:306:02
8:04
-1:05
23M
23.00 mi14:06:283:16:128:3211:18
9:02
+0:58
24M
24.00 mi14:14:423:24:268:318:14
8:14
-0:48
40K
24.85 mi14:22:183:32:028:327:36
8:53
+0:39
25.2M
25.20 mi14:25:143:34:588:322:56
8:30
-0:23
Finish
26.22 mi14:32:423:42:268:297:28
7:20
-1:10

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

7:20 /mi

Average Pace

8:29 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:39

30% of race

Time at Steady Pace

1:24:57

38% of race

Time at Slower Pace

1:09:50

31% of race

Average Pace: 8:29 /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 mi11:14:4224:267:5224:26
7:52
#12973
10K
6.21 mi11:38:5748:417:5024:15
7:48
#13036
15K
9.32 mi12:04:291:14:137:5825:32
8:13
#14075
20K
12.43 mi12:31:471:41:318:1027:18
8:47
#15368
Half
13.11 mi12:37:151:46:598:105:28
8:01
#15312
25K
15.53 mi12:58:122:07:568:1420:57
8:38
#15590
30K
18.64 mi13:26:242:36:088:2328:12
9:05
#15986
20M
20.00 mi13:39:592:49:438:2913:35
10:00
#16436
21M
21.00 mi13:49:082:58:528:319:09
9:09
#16301
35K
21.75 mi13:55:103:04:548:306:02
8:04
#16156
23M
23.00 mi14:06:283:16:128:3211:18
9:02
#16142
24M
24.00 mi14:14:423:24:268:318:14
8:14
#15993
40K
24.85 mi14:22:183:32:028:327:36
8:53
#15964
25.2M
25.20 mi14:25:143:34:588:322:56
8:30
#15852
Finish
26.22 mi14:32:423:42:268:297:28
7:20
#15549
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129733425342515999(Top 60%)5299(Top 46%)5299(Top 108%)
10K6.21 mi3.10 mi13036-633468-433468-4313199(Top 50%)3554(Top 31%)3554(Top 73%)
15K9.32 mi3.11 mi14075-10394108-6404108-64015999(Top 60%)5299(Top 46%)5299(Top 108%)
20K12.43 mi3.11 mi15368-12934913-8054913-80518593(Top 70%)6842(Top 60%)6842(Top 140%)
Half13.11 mi0.68 mi15312+564883+304883+3014577(Top 55%)4446(Top 39%)4446(Top 91%)
25K15.53 mi2.42 mi15590-2785087-2045087-20417043(Top 64%)6027(Top 53%)6027(Top 123%)
30K18.64 mi3.11 mi15986-3965365-2785365-27817576(Top 66%)6397(Top 56%)6397(Top 131%)
20M20.00 mi1.36 mi16436-4505665-3005665-30020471(Top 77%)8113(Top 71%)8113(Top 166%)
21M21.00 mi1.00 mi16301+1355595+705595+7014246(Top 54%)4623(Top 40%)4623(Top 95%)
35K21.75 mi0.75 mi16156+1455531+645531+6412651(Top 48%)3812(Top 33%)3812(Top 78%)
23M23.00 mi1.25 mi16142+145531553116185(Top 61%)5841(Top 51%)5841(Top 120%)
24M24.00 mi1.00 mi15993+1495467+645467+6412883(Top 48%)4082(Top 36%)4082(Top 84%)
40K24.85 mi0.85 mi15964+295458+95458+915576(Top 59%)5621(Top 49%)5621(Top 115%)
25.2M25.20 mi0.35 mi15852+1125395+635395+639709(Top 36%)2592(Top 23%)2592(Top 53%)
Finish26.22 mi1.02 mi15549+3035235+1605235+1607357(Top 28%)1581(Top 14%)1581(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21stories
+97ft-345ft

Overall

15999

Females

5299

F18-39

5299

5K→10K

3.1 - 6.2 mi

Top 50%
×5stories
+79ft-138ft

Overall

13199

Females

3554

F18-39

3554

10K→15K

6.2 - 9.3 mi

Top 60%
×3stories
+67ft-78ft

Overall

15999

Females

5299

F18-39

5299

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18593

Females

6842

F18-39

6842

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14577

Females

4446

F18-39

4446

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

17043

Females

6027

F18-39

6027

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17576

Females

6397

F18-39

6397

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

20471

Females

8113

F18-39

8113

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14246

Females

4623

F18-39

4623

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12651

Females

3812

F18-39

3812

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16185

Females

5841

F18-39

5841

23M→24M

23.0 - 24.0 mi

Top 48%
×6stories
+12ft-82ft

Overall

12883

Females

4082

F18-39

4082

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15576

Females

5621

F18-39

5621

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

9709

Females

2592

F18-39

2592

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7357

Females

1581

F18-39

1581

Passing Analysis

Category:
Athletes Passed
1582
Passed By
4158
Net Change
-2576
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12973
5K → 10K277340-63#12973#13036
10K → 15K241063-1039#13036#14075
15K → 20K221315-1293#14075#15368
20K → Half659+56#15368#15312
Half → 25K66344-278#15312#15590
25K → 30K75471-396#15590#15986
30K → 20M18468-450#15986#16436
20M → 21M15419+135#16436#16301
21M → 35K1472+145#16301#16156
35K → 23M9682+14#16156#16142
23M → 24M1545+149#16142#15993
24M → 40K6839+29#15993#15964
40K → 25.2M1131+112#15964#15852
25.2M → Finish3030+303#15852#15549
TOTALS15824158-2576
📊

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