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BOSTON MARATHON 2024

Yayueh Shih

Bib: 19541•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:20/mi
25:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:28/mi
52:12
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:18:46
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
1:50:03
↑ 106↓ 860.1%
Half· 13.11 mi
9:37/mi
1:56:37
↑ 19↓ 370.5%
25K· 15.53 mi
11:08/mi
2:23:37
↑ 66↓ 880.2%
30K· 18.64 mi
10:18/mi
2:55:38
↑ 181↓ 1480.2%
20M
11:30/mi
3:11:16
↑ 64↓ 500.2%
21M
11:26/mi
3:22:42
↑ 106↓ 241.6%
35K· 21.75 mi
10:35/mi
3:30:37
↑ 17↓ 861.7%
23M
10:50/mi
3:44:11
↑ 23↓ 630.6%
24M
9:47/mi
3:53:58
↓ 821.3%
40K· 24.85 mi
10:06/mi
4:02:36
↓ 200.3%
25.2M
12:25/mi
4:06:53
↑ 13↓ 160.2%
Finish· 26.22 mi
8:57/mi
4:16:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:37
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:19:23
Pace10:38 /mi
📊Positive Split: 19.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4725:548:2025:54
8:20
-
10K
6.21 mi11:46:0552:128:2426:18
8:28
+0:08
15K
9.32 mi12:12:391:18:468:2726:34
8:33
+0:05
20K
12.43 mi12:43:561:50:038:5131:17
10:04
+1:31
Half
13.11 mi12:50:301:56:378:546:34
9:37
-0:27
25K
15.53 mi13:17:302:23:379:1527:00
11:08
+1:31
30K
18.64 mi13:49:312:55:389:2532:01
10:18
-0:50
20M
20.00 mi14:05:093:11:169:3415:38
11:30
+1:12
21M
21.00 mi14:16:353:22:429:3911:26
11:26
-0:04
35K
21.75 mi14:24:303:30:379:417:55
10:35
-0:51
23M
23.00 mi14:38:043:44:119:4513:34
10:50
+0:15
24M
24.00 mi14:47:513:53:589:459:47
9:47
-1:03
40K
24.85 mi14:56:294:02:369:468:38
10:06
+0:19
25.2M
25.20 mi15:00:464:06:539:484:17
12:25
+2:19
Finish
26.22 mi15:09:534:16:009:469:07
8:57
-3:28

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

8:20 /mi

Average Pace

9:46 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:53

34% of race

Time at Steady Pace

1:36:12

38% of race

Time at Slower Pace

1:11:55

28% of race

Average Pace: 9:46 /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 mi11:19:4725:548:2025:54
8:20
#16870
10K
6.21 mi11:46:0552:128:2426:18
8:28
#16931
15K
9.32 mi12:12:391:18:468:2726:34
8:33
#16808
20K
12.43 mi12:43:561:50:038:5131:17
10:04
#18288
Half
13.11 mi12:50:301:56:378:546:34
9:37
#18447
25K
15.53 mi13:17:302:23:379:1527:00
11:08
#19335
30K
18.64 mi13:49:312:55:389:2532:01
10:18
#19096
20M
20.00 mi14:05:093:11:169:3415:38
11:30
#19231
21M
21.00 mi14:16:353:22:429:3911:26
11:26
#19093
35K
21.75 mi14:24:303:30:379:417:55
10:35
#19062
23M
23.00 mi14:38:043:44:119:4513:34
10:50
#18969
24M
24.00 mi14:47:513:53:589:459:47
9:47
#18800
40K
24.85 mi14:56:294:02:369:468:38
10:06
#18664
25.2M
25.20 mi15:00:464:06:539:484:17
12:25
#18658
Finish
26.22 mi15:09:534:16:009:469:07
8:57
#18484
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi168706084608416690(Top 65%)5967(Top 55%)5967(Top 340%)
10K6.21 mi3.10 mi16931-616105-216105-2117074(Top 67%)6172(Top 56%)6172(Top 352%)
15K9.32 mi3.11 mi16808+1236031+746031+7416690(Top 65%)5967(Top 55%)5967(Top 340%)
20K12.43 mi3.11 mi18288-14806887-8566887-85620730(Top 81%)8204(Top 75%)8204(Top 468%)
Half13.11 mi0.68 mi18447-1596985-986985-9820452(Top 80%)8117(Top 74%)8117(Top 463%)
25K15.53 mi2.42 mi19335-8887482-4977482-49721750(Top 85%)8856(Top 81%)8856(Top 505%)
30K18.64 mi3.11 mi19096+2397422+607422+6018263(Top 71%)7183(Top 66%)7183(Top 410%)
20M20.00 mi1.36 mi19231-1357525-1037525-10320400(Top 80%)8435(Top 77%)8435(Top 481%)
21M21.00 mi1.00 mi19093+1387479+467479+4617524(Top 69%)7095(Top 65%)7095(Top 405%)
35K21.75 mi0.75 mi19062+317472+77472+718804(Top 74%)7734(Top 71%)7734(Top 441%)
23M23.00 mi1.25 mi18969+937440+327440+3217958(Top 70%)7395(Top 68%)7395(Top 422%)
24M24.00 mi1.00 mi18800+1697374+667374+6615603(Top 61%)6256(Top 57%)6256(Top 357%)
40K24.85 mi0.85 mi18664+1367327+477327+4715381(Top 60%)6208(Top 57%)6208(Top 354%)
25.2M25.20 mi0.35 mi18658+67333-67333-618358(Top 72%)7699(Top 70%)7699(Top 439%)
Finish26.22 mi1.02 mi18484+1747266+677266+6713969(Top 55%)5471(Top 50%)5471(Top 312%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

16690

Females

5967

F45-49

5967

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17074

Females

6172

F45-49

6172

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

16690

Females

5967

F45-49

5967

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

20730

Females

8204

F45-49

8204

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

20452

Females

8117

F45-49

8117

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21750

Females

8856

F45-49

8856

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

18263

Females

7183

F45-49

7183

30K→20M

18.6 - 20.0 mi

Top 80%
×5story building
+64ft-50ft

Overall

20400

Females

8435

F45-49

8435

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

17524

Females

7095

F45-49

7095

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

18804

Females

7734

F45-49

7734

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

17958

Females

7395

F45-49

7395

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

15603

Females

6256

F45-49

6256

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

15381

Females

6208

F45-49

6208

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

18358

Females

7699

F45-49

7699

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

13969

Females

5471

F45-49

5471

Passing Analysis

Category:
Athletes Passed
1922
Passed By
3536
Net Change
-1614
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16870
5K → 10K259320-61#16870#16931
10K → 15K280157+123#16931#16808
15K → 20K311511-1480#16808#18288
20K → Half13172-159#18288#18447
Half → 25K38926-888#18447#19335
25K → 30K346107+239#19335#19096
30K → 20M55190-135#19096#19231
20M → 21M17234+138#19231#19093
21M → 35K7241+31#19093#19062
35K → 23M13138+93#19062#18969
23M → 24M1745+169#18969#18800
24M → 40K1459+136#18800#18664
40K → 25.2M2923+6#18664#18658
25.2M → Finish1773+174#18658#18484
TOTALS19223536-1614
📊

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