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BOSTON MARATHON 2024

Shirley Lin

Bib: 13778•F

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Overall
#0 / 25550
Top 28%
Gender (Female)
#0 / 10924
Top 12%
Division (F18-39)
#0 / 4660
Top 23%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:17
Rank: #13218
Start → 5K
24:17 | 7:49/mi
10K· 6.21 mi
47:39
Rank: #11814 (+1404)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:10:56
Rank: #11047 (+767)
10K → 15K
23:17 | 7:30/mi
20K· 12.43 mi
1:34:26
Rank: #10385 (+662)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:39:28
Rank: #10261 (+124)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:57:58
Rank: #9749 (+512)
Half → 25K
18:30 | 7:38/mi
30K· 18.64 mi
2:23:11
Rank: #9404 (+345)
25K → 30K
25:13 | 8:07/mi
20M
2:34:06
Rank: #9129 (+275)
30K → 20M
10:55 | 8:02/mi
21M
2:42:26
Rank: #8788 (+341)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:47:51
Rank: #8544 (+244)
21M → 35K
5:25 | 7:14/mi
23M
2:57:18
Rank: #8109 (+435)
35K → 23M
9:27 | 7:33/mi
24M
3:04:50
Rank: #7848 (+261)
23M → 24M
7:32 | 7:32/mi
40K· 24.85 mi
3:11:10
Rank: #7561 (+287)
24M → 40K
6:20 | 7:24/mi
25.2M
3:13:58
Rank: #7428 (+133)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:20:59
Rank: #7133 (+295)
25.2M → Finish
7:01 | 6:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:28
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:41:31
Pace7:45 /mi
📊Positive Split: 2.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4724:177:4924:17
7:49
-
10K
6.21 mi11:19:0947:397:4023:22
7:31
-0:18
15K
9.32 mi11:42:261:10:567:3723:17
7:30
-0:01
20K
12.43 mi12:05:561:34:267:3623:30
7:34
+0:04
Half
13.11 mi12:10:581:39:287:355:02
7:23
-0:11
25K
15.53 mi12:29:281:57:587:3618:30
7:38
+0:15
30K
18.64 mi12:54:412:23:117:4125:13
8:07
+0:29
20M
20.00 mi13:05:362:34:067:4210:55
8:02
-0:05
21M
21.00 mi13:13:562:42:267:448:20
8:20
+0:18
35K
21.75 mi13:19:212:47:517:435:25
7:14
-1:06
23M
23.00 mi13:28:482:57:187:439:27
7:33
+0:19
24M
24.00 mi13:36:203:04:507:427:32
7:32
-0:01
40K
24.85 mi13:42:403:11:107:416:20
7:24
-0:08
25.2M
25.20 mi13:45:283:13:587:422:48
8:07
+0:43
Finish
26.22 mi13:52:293:20:597:407:01
6:53
-1:14

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

6:53 /mi

Average Pace

7:40 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

12:26

6% of race

Time at Steady Pace

1:57:00

58% of race

Time at Slower Pace

1:11:33

36% of race

Average Pace: 7:40 /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 mi10:55:4724:177:4924:17
7:49
#13218
10K
6.21 mi11:19:0947:397:4023:22
7:31
#11814
15K
9.32 mi11:42:261:10:567:3723:17
7:30
#11047
20K
12.43 mi12:05:561:34:267:3623:30
7:34
#10385
Half
13.11 mi12:10:581:39:287:355:02
7:23
#10261
25K
15.53 mi12:29:281:57:587:3618:30
7:38
#9749
30K
18.64 mi12:54:412:23:117:4125:13
8:07
#9404
20M
20.00 mi13:05:362:34:067:4210:55
8:02
#9129
21M
21.00 mi13:13:562:42:267:448:20
8:20
#8788
35K
21.75 mi13:19:212:47:517:435:25
7:14
#8544
23M
23.00 mi13:28:482:57:187:439:27
7:33
#8109
24M
24.00 mi13:36:203:04:507:427:32
7:32
#7848
40K
24.85 mi13:42:403:11:107:416:20
7:24
#7561
25.2M
25.20 mi13:45:283:13:587:422:48
8:07
#7428
Finish
26.22 mi13:52:293:20:597:407:01
6:53
#7133
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi13218383838389651(Top 38%)1996(Top 18%)1996(Top 43%)
10K6.21 mi3.10 mi11814+14043059+7793059+77910453(Top 41%)2327(Top 21%)2327(Top 50%)
15K9.32 mi3.11 mi11047+7672664+3952664+3959651(Top 38%)1996(Top 18%)1996(Top 43%)
20K12.43 mi3.11 mi10385+6622353+3112353+3118855(Top 35%)1747(Top 16%)1747(Top 37%)
Half13.11 mi0.68 mi10261+1242300+532300+538276(Top 32%)1478(Top 14%)1478(Top 32%)
25K15.53 mi2.42 mi9749+5122091+2092091+2097836(Top 31%)1488(Top 14%)1488(Top 32%)
30K18.64 mi3.11 mi9404+3452014+772014+778538(Top 33%)1992(Top 18%)1992(Top 43%)
20M20.00 mi1.36 mi9129+2751934+801934+806977(Top 27%)1537(Top 14%)1537(Top 33%)
21M21.00 mi1.00 mi8788+3411844+901844+905491(Top 21%)1076(Top 10%)1076(Top 23%)
35K21.75 mi0.75 mi8544+2441759+851759+853977(Top 16%)536(Top 5%)536(Top 12%)
23M23.00 mi1.25 mi8109+4351623+1361623+1363825(Top 15%)556(Top 5%)556(Top 12%)
24M24.00 mi1.00 mi7848+2611551+721551+724296(Top 17%)805(Top 7%)805(Top 17%)
40K24.85 mi0.85 mi7561+2871477+741477+743194(Top 13%)498(Top 5%)498(Top 11%)
25.2M25.20 mi0.35 mi7428+1331450+271450+273183(Top 12%)539(Top 5%)539(Top 12%)
Finish26.22 mi1.02 mi7133+2951363+871363+872698(Top 11%)390(Top 4%)390(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21stories
+97ft-345ft

Overall

9651

Females

1996

F18-39

1996

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10453

Females

2327

F18-39

2327

10K→15K

6.2 - 9.3 mi

Top 38%
×3stories
+67ft-78ft

Overall

9651

Females

1996

F18-39

1996

15K→20K

9.3 - 12.4 mi

Top 35%
×5stories
+106ft-86ft

Overall

8855

Females

1747

F18-39

1747

20K→Half

12.4 - 13.1 mi

Top 32%
×2stories
+19ft-37ft

Overall

8276

Females

1478

F18-39

1478

Half→25K

13.1 - 15.5 mi

Top 31%
×4stories
+66ft-88ft

Overall

7836

Females

1488

F18-39

1488

25K→30K

15.5 - 18.6 mi

Top 33%
×9stories
+181ft-148ft

Overall

8538

Females

1992

F18-39

1992

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

6977

Females

1537

F18-39

1537

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5491

Females

1076

F18-39

1076

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

3977

Females

536

F18-39

536

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

3825

Females

556

F18-39

556

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4296

Females

805

F18-39

805

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3194

Females

498

F18-39

498

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3183

Females

539

F18-39

539

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

2698

Females

390

F18-39

390

Passing Analysis

Category:
Athletes Passed
6245*
Passed By
160
Net Change
+6085
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13218
5K → 10K141612+1404#13218#11814
10K → 15K77912+767#11814#11047
15K → 20K6708+662#11047#10385
20K → Half1273+124#10385#10261
Half → 25K521*9+512#10261#9749
25K → 30K42681+345#9749#9404
30K → 20M29419+275#9404#9129
20M → 21M35211+341#9129#8788
21M → 35K2440+244#8788#8544
35K → 23M4350+435#8544#8109
23M → 24M2665+261#8109#7848
24M → 40K2870+287#7848#7561
40K → 25.2M1330+133#7561#7428
25.2M → Finish2950+295#7428#7133
TOTALS6245*160+6085

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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