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BOSTON MARATHON 2023

Jing Lin

Bib: 19090•F

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 32%
Masters (Masters Women)
#0 / 6539
Top 19%
Division (F40-44)
#0 / 1878
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:52
Rank: #14061
Start → 5K
8:00/mi
24:52 split
10K· 6.21 mi
48:41
Rank: #13029 (+1032)
5K → 10K
7:40/mi
23:49 split
15K· 9.32 mi
1:12:42
Rank: #12689 (+340)
10K → 15K
7:44/mi
24:01 split
20K· 12.43 mi
1:37:14
Rank: #12617 (+72)
15K → 20K
7:54/mi
24:32 split
Half· 13.11 mi
1:42:36
Rank: #12637 (-20)
20K → Half
7:52/mi
5:22 split
25K· 15.53 mi
2:02:11
Rank: #12741 (-104)
Half → 25K
8:05/mi
19:35 split
30K· 18.64 mi
2:28:40
Rank: #13099 (-358)
25K → 30K
8:31/mi
26:29 split
20M
2:40:29
Rank: #13236 (-137)
30K → 20M
8:42/mi
11:49 split
21M
2:49:34
Rank: #13253 (-17)
20M → 21M
9:05/mi
9:05 split
35K· 21.75 mi
2:55:45
Rank: #13269 (-16)
21M → 35K
8:16/mi
6:11 split
23M
3:06:21
Rank: #13207 (+62)
35K → 23M
8:28/mi
10:36 split
24M
3:14:37
Rank: #13186 (+21)
23M → 24M
8:16/mi
8:16 split
40K· 24.85 mi
3:21:35
Rank: #13078 (+108)
24M → 40K
8:09/mi
6:58 split
25.2M
3:24:37
Rank: #13045 (+33)
40K → 25.2M
8:48/mi
3:02 split
Finish· 26.22 mi
3:32:39
Rank: #12972 (+73)
25.2M → Finish
7:53/mi
8:02 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:36
Pace7:50 /mi
2nd Half
Distance13.11 mi
Time1:50:03
Pace8:24 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4824:528:0024:52
8:00
-
10K
6.21 mi11:40:3748:417:5023:49
7:40
-0:20
15K
9.32 mi12:04:381:12:427:4824:01
7:44
+0:04
20K
12.43 mi12:29:101:37:147:4924:32
7:54
+0:10
Half
13.11 mi12:34:321:42:367:505:22
7:52
-0:02
25K
15.53 mi12:54:072:02:117:5219:35
8:05
+0:13
30K
18.64 mi13:20:362:28:407:5926:29
8:31
+0:26
20M
20.00 mi13:32:252:40:298:0111:49
8:42
+0:11
21M
21.00 mi13:41:302:49:348:049:05
9:05
+0:23
35K
21.75 mi13:47:412:55:458:056:11
8:16
-0:49
23M
23.00 mi13:58:173:06:218:0610:36
8:28
+0:12
24M
24.00 mi14:06:333:14:378:078:16
8:16
-0:12
40K
24.85 mi14:13:313:21:358:076:58
8:09
-0:07
25.2M
25.20 mi14:16:333:24:378:073:02
8:48
+0:39
Finish
26.22 mi14:24:353:32:398:078:02
7:53
-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

7:40 /mi

Average Pace

8:07 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:38

71% of race

Time at Steady Pace

51:56

24% of race

Time at Slower Pace

9:05

4% of race

Average Pace: 8:07 /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 mi11:16:4824:528:0024:52
8:00
#14061
10K
6.21 mi11:40:3748:417:5023:49
7:40
#13029
15K
9.32 mi12:04:381:12:427:4824:01
7:44
#12689
20K
12.43 mi12:29:101:37:147:4924:32
7:54
#12617
Half
13.11 mi12:34:321:42:367:505:22
7:52
#12637
25K
15.53 mi12:54:072:02:117:5219:35
8:05
#12741
30K
18.64 mi13:20:362:28:407:5926:29
8:31
#13099
20M
20.00 mi13:32:252:40:298:0111:49
8:42
#13236
21M
21.00 mi13:41:302:49:348:049:05
9:05
#13253
35K
21.75 mi13:47:412:55:458:056:11
8:16
#13269
23M
23.00 mi13:58:173:06:218:0610:36
8:28
#13207
24M
24.00 mi14:06:333:14:378:078:16
8:16
#13186
40K
24.85 mi14:13:313:21:358:076:58
8:09
#13078
25.2M
25.20 mi14:16:333:24:378:073:02
8:48
#13045
Finish
26.22 mi14:24:353:32:398:078:02
7:53
#12972
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi140614069406912128(Top 46%)2970(Top 26%)2970(Top 158%)
10K6.21 mi3.10 mi13029+10323461+6083461+60811965(Top 45%)2852(Top 25%)2852(Top 152%)
15K9.32 mi3.11 mi12689+3403276+1853276+18512128(Top 46%)2970(Top 26%)2970(Top 158%)
20K12.43 mi3.11 mi12617+723269+73269+712608(Top 47%)3325(Top 29%)3325(Top 177%)
Half13.11 mi0.68 mi12637-203284-153284-1513369(Top 50%)3718(Top 33%)3718(Top 198%)
25K15.53 mi2.42 mi12741-1043358-743358-7413352(Top 50%)3836(Top 34%)3836(Top 204%)
30K18.64 mi3.11 mi13099-3583612-2543612-25414469(Top 54%)4602(Top 40%)4602(Top 245%)
20M20.00 mi1.36 mi13236-1373699-873699-8714837(Top 56%)4898(Top 43%)4898(Top 261%)
21M21.00 mi1.00 mi13253-173723-243723-2413899(Top 52%)4432(Top 39%)4432(Top 236%)
35K21.75 mi0.75 mi13269-163754-313754-3113916(Top 52%)4507(Top 39%)4507(Top 240%)
23M23.00 mi1.25 mi13207+623738+163738+1613008(Top 49%)4071(Top 36%)4071(Top 217%)
24M24.00 mi1.00 mi13186+213758-203758-2013076(Top 49%)4165(Top 36%)4165(Top 222%)
40K24.85 mi0.85 mi13078+1083721+373721+3711054(Top 42%)3179(Top 28%)3179(Top 169%)
25.2M25.20 mi0.35 mi13045+333713+83713+811395(Top 43%)3407(Top 30%)3407(Top 181%)
Finish26.22 mi1.02 mi12972+733685+283685+2811321(Top 43%)3359(Top 29%)3359(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12128

Females

2970

F40-44

2970

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

11965

Females

2852

F40-44

2852

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12128

Females

2970

F40-44

2970

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12608

Females

3325

F40-44

3325

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13369

Females

3718

F40-44

3718

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

13352

Females

3836

F40-44

3836

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

14469

Females

4602

F40-44

4602

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

14837

Females

4898

F40-44

4898

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

13899

Females

4432

F40-44

4432

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

13916

Females

4507

F40-44

4507

35K→23M

21.8 - 23.0 mi

Top 49%
×5story building
+23ft-63ft

Overall

13008

Females

4071

F40-44

4071

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13076

Females

4165

F40-44

4165

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11054

Females

3179

F40-44

3179

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11395

Females

3407

F40-44

3407

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

11321

Females

3359

F40-44

3359

Passing Analysis

Category:
Athletes Passed
2590
Passed By
1501
Net Change
+1089
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14061
5K → 10K108452+1032#14061#13029
10K → 15K42181+340#13029#12689
15K → 20K217145+72#12689#12617
20K → Half2444-20#12617#12637
Half → 25K110214-104#12637#12741
25K → 30K94452-358#12741#13099
30K → 20M49186-137#13099#13236
20M → 21M7794-17#13236#13253
21M → 35K5369-16#13253#13269
35K → 23M12361+62#13269#13207
23M → 24M8160+21#13207#13186
24M → 40K1179+108#13186#13078
40K → 25.2M429+33#13078#13045
25.2M → Finish9825+73#13045#12972
TOTALS25901501+1089
📊

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