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BOSTON MARATHON 2023

Yiru Lin

Bib: 17983•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 42%
Masters (Masters Women)
#0 / 6539
Top 29%
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
24:05
Rank: #11951
Start → 5K
24:05 | 7:45/mi
10K· 6.21 mi
47:52
Rank: #11856 (+95)
5K → 10K
23:47 | 7:39/mi
15K· 9.32 mi
1:12:02
Rank: #12064 (-208)
10K → 15K
24:10 | 7:47/mi
20K· 12.43 mi
1:37:06
Rank: #12522 (-458)
15K → 20K
25:04 | 8:04/mi
Half· 13.11 mi
1:42:32
Rank: #12590 (-68)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:03:52
Rank: #13667 (-1077)
Half → 25K
21:20 | 8:48/mi
30K· 18.64 mi
2:31:39
Rank: #14369 (-702)
25K → 30K
27:47 | 8:57/mi
20M
2:43:52
Rank: #14505 (-136)
30K → 20M
12:13 | 8:59/mi
21M
2:53:16
Rank: #14555 (-50)
20M → 21M
9:24 | 9:24/mi
35K· 21.75 mi
2:59:36
Rank: #14569 (-14)
21M → 35K
6:20 | 8:28/mi
23M
3:10:52
Rank: #14652 (-83)
35K → 23M
11:16 | 9:00/mi
24M
3:19:44
Rank: #14730 (-78)
23M → 24M
8:52 | 8:52/mi
40K· 24.85 mi
3:27:21
Rank: #14726 (+4)
24M → 40K
7:37 | 8:54/mi
25.2M
3:30:40
Rank: #14747 (-21)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:39:21
Rank: #14764 (-17)
25.2M → Finish
8:41 | 8:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:32
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time1:56:49
Pace8:55 /mi
📊Positive Split: 13.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:2924:057:4524:05
7:45
-
10K
6.21 mi11:38:1647:527:4223:47
7:39
-0:06
15K
9.32 mi12:02:261:12:027:4424:10
7:47
+0:08
20K
12.43 mi12:27:301:37:067:4925:04
8:04
+0:17
Half
13.11 mi12:32:561:42:327:495:26
7:58
-0:06
25K
15.53 mi12:54:162:03:527:5821:20
8:48
+0:50
30K
18.64 mi13:22:032:31:398:0827:47
8:57
+0:09
20M
20.00 mi13:34:162:43:528:1212:13
8:59
+0:02
21M
21.00 mi13:43:402:53:168:159:24
9:24
+0:25
35K
21.75 mi13:50:002:59:368:156:20
8:28
-0:56
23M
23.00 mi14:01:163:10:528:1811:16
9:00
+0:32
24M
24.00 mi14:10:083:19:448:198:52
8:52
-0:08
40K
24.85 mi14:17:453:27:218:217:37
8:54
+0:02
25.2M
25.20 mi14:21:043:30:408:223:19
9:37
+0:43
Finish
26.22 mi14:29:453:39:218:228:41
8:31
-1:06

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

7:39 /mi

Average Pace

8:22 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:52

50% of race

Time at Steady Pace

1:37:46

45% of race

Time at Slower Pace

12:43

6% of race

Average Pace: 8:22 /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 mi11:14:2924:057:4524:05
7:45
#11951
10K
6.21 mi11:38:1647:527:4223:47
7:39
#11856
15K
9.32 mi12:02:261:12:027:4424:10
7:47
#12064
20K
12.43 mi12:27:301:37:067:4925:04
8:04
#12522
Half
13.11 mi12:32:561:42:327:495:26
7:58
#12590
25K
15.53 mi12:54:162:03:527:5821:20
8:48
#13667
30K
18.64 mi13:22:032:31:398:0827:47
8:57
#14369
20M
20.00 mi13:34:162:43:528:1212:13
8:59
#14505
21M
21.00 mi13:43:402:53:168:159:24
9:24
#14555
35K
21.75 mi13:50:002:59:368:156:20
8:28
#14569
23M
23.00 mi14:01:163:10:528:1811:16
9:00
#14652
24M
24.00 mi14:10:083:19:448:198:52
8:52
#14730
40K
24.85 mi14:17:453:27:218:217:37
8:54
#14726
25.2M
25.20 mi14:21:043:30:408:223:19
9:37
#14747
Finish
26.22 mi14:29:453:39:218:228:41
8:31
#14764
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi119512844284412557(Top 47%)3224(Top 28%)3224(Top 172%)
10K6.21 mi3.10 mi11856+952796+482796+4811856(Top 45%)2791(Top 24%)2791(Top 149%)
15K9.32 mi3.11 mi12064-2082929-1332929-13312557(Top 47%)3224(Top 28%)3224(Top 172%)
20K12.43 mi3.11 mi12522-4583211-2823211-28214017(Top 53%)4124(Top 36%)4124(Top 220%)
Half13.11 mi0.68 mi12590-683259-483259-4814158(Top 53%)4189(Top 37%)4189(Top 223%)
25K15.53 mi2.42 mi13667-10773912-6533912-65317945(Top 67%)6524(Top 57%)6524(Top 347%)
30K18.64 mi3.11 mi14369-7024379-4674379-46716880(Top 63%)5994(Top 52%)5994(Top 319%)
20M20.00 mi1.36 mi14505-1364472-934472-9316484(Top 62%)5849(Top 51%)5849(Top 311%)
21M21.00 mi1.00 mi14555-504528-564528-5615479(Top 58%)5334(Top 47%)5334(Top 284%)
35K21.75 mi0.75 mi14569-144546-184546-1815133(Top 57%)5184(Top 45%)5184(Top 276%)
23M23.00 mi1.25 mi14652-834621-754621-7516074(Top 60%)5781(Top 51%)5781(Top 308%)
24M24.00 mi1.00 mi14730-784698-774698-7716591(Top 62%)6121(Top 54%)6121(Top 326%)
40K24.85 mi0.85 mi14726+44716-184716-1815675(Top 59%)5667(Top 50%)5667(Top 302%)
25.2M25.20 mi0.35 mi14747-214738-224738-2215770(Top 59%)5726(Top 50%)5726(Top 305%)
Finish26.22 mi1.02 mi14764-174765-274765-2715560(Top 58%)5565(Top 49%)5565(Top 296%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

12557

Females

3224

F40-44

3224

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

11856

Females

2791

F40-44

2791

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

12557

Females

3224

F40-44

3224

15K→20K

9.3 - 12.4 mi

Top 53%
×5stories
+106ft-86ft

Overall

14017

Females

4124

F40-44

4124

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14158

Females

4189

F40-44

4189

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17945

Females

6524

F40-44

6524

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16880

Females

5994

F40-44

5994

30K→20M

18.6 - 20.0 mi

Top 62%
×5stories
+64ft-50ft

Overall

16484

Females

5849

F40-44

5849

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15479

Females

5334

F40-44

5334

21M→35K

21.0 - 21.8 mi

Top 57%
×7stories
+17ft-86ft

Overall

15133

Females

5184

F40-44

5184

35K→23M

21.8 - 23.0 mi

Top 60%
×5stories
+23ft-63ft

Overall

16074

Females

5781

F40-44

5781

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16591

Females

6121

F40-44

6121

24M→40K

24.0 - 24.9 mi

Top 59%
×1story
+6ft-20ft

Overall

15675

Females

5667

F40-44

5667

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15770

Females

5726

F40-44

5726

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2stories
+22ft-21ft

Overall

15560

Females

5565

F40-44

5565

Passing Analysis

Category:
Athletes Passed
995
Passed By
3808
Net Change
-2813
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11951
5K → 10K352257+95#11951#11856
10K → 15K125333-208#11856#12064
15K → 20K57515-458#12064#12522
20K → Half1482-68#12522#12590
Half → 25K131090-1077#12590#13667
25K → 30K49751-702#13667#14369
30K → 20M52188-136#14369#14505
20M → 21M63113-50#14505#14555
21M → 35K3751-14#14555#14569
35K → 23M52135-83#14569#14652
23M → 24M46124-78#14652#14730
24M → 40K6359+4#14730#14726
40K → 25.2M2142-21#14726#14747
25.2M → Finish5168-17#14747#14764
TOTALS9953808-2813
📊

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