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BOSTON MARATHON 2024

Chin Chin Tan

Bib: 29770•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
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
8:52/mi
27:33
↑ 97↓ 3451.5%
10K· 6.21 mi
8:53/mi
55:09
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:23:35
↑ 67↓ 78
20K· 12.43 mi
9:48/mi
1:54:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:18/mi
2:00:22
↑ 19↓ 370.5%
25K· 15.53 mi
10:12/mi
2:25:07
↑ 66↓ 880.2%
30K· 18.64 mi
10:24/mi
2:57:25
↑ 181↓ 1480.2%
20M
11:17/mi
3:12:45
↑ 64↓ 500.2%
21M
12:49/mi
3:25:34
↑ 106↓ 241.6%
35K· 21.75 mi
11:47/mi
3:34:23
↑ 17↓ 861.7%
23M
13:04/mi
3:50:44
↑ 23↓ 630.6%
24M
12:06/mi
4:02:50
↓ 821.3%
40K· 24.85 mi
11:50/mi
4:12:57
↓ 200.3%
25.2M
12:37/mi
4:17:18
↑ 13↓ 160.2%
Finish· 26.22 mi
10:25/mi
4:27:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:22
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:27:33
Pace11:15 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:1427:338:5227:33
8:52
-
10K
6.21 mi12:19:5055:098:5327:36
8:53
+0:01
15K
9.32 mi12:48:161:23:358:5828:26
9:09
+0:16
20K
12.43 mi13:18:421:54:019:1030:26
9:48
+0:39
Half
13.11 mi13:25:032:00:229:116:21
9:18
-0:30
25K
15.53 mi13:49:482:25:079:2124:45
10:12
+0:54
30K
18.64 mi14:22:062:57:259:3132:18
10:24
+0:12
20M
20.00 mi14:37:263:12:459:3815:20
11:17
+0:53
21M
21.00 mi14:50:153:25:349:4712:49
12:49
+1:32
35K
21.75 mi14:59:043:34:239:518:49
11:47
-1:02
23M
23.00 mi15:15:253:50:4410:0216:21
13:04
+1:17
24M
24.00 mi15:27:314:02:5010:0712:06
12:06
-0:58
40K
24.85 mi15:37:384:12:5710:1110:07
11:50
-0:16
25.2M
25.20 mi15:41:594:17:1810:134:21
12:37
+0:47
Finish
26.22 mi15:52:364:27:5510:1410:37
10:25
-2:12

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

8:52 /mi

Average Pace

10:14 /mi

Slowest Pace

13:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:29:56

34% of race

Time at Steady Pace

1:38:06

37% of race

Time at Slower Pace

1:19:53

30% of race

Average Pace: 10:13 /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 mi11:52:1427:338:5227:33
8:52
#19564
10K
6.21 mi12:19:5055:098:5327:36
8:53
#19383
15K
9.32 mi12:48:161:23:358:5828:26
9:09
#19437
20K
12.43 mi13:18:421:54:019:1030:26
9:48
#19652
Half
13.11 mi13:25:032:00:229:116:21
9:18
#19653
25K
15.53 mi13:49:482:25:079:2124:45
10:12
#19658
30K
18.64 mi14:22:062:57:259:3132:18
10:24
#19434
20M
20.00 mi14:37:263:12:459:3815:20
11:17
#19455
21M
21.00 mi14:50:153:25:349:4712:49
12:49
#19523
35K
21.75 mi14:59:043:34:239:518:49
11:47
#19571
23M
23.00 mi15:15:253:50:4410:0216:21
13:04
#19826
24M
24.00 mi15:27:314:02:5010:0712:06
12:06
#19912
40K
24.85 mi15:37:384:12:5710:1110:07
11:50
#19914
25.2M
25.20 mi15:41:594:17:1810:134:21
12:37
#19891
Finish
26.22 mi15:52:364:27:5510:1410:37
10:25
#19875
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi195647663766319533(Top 76%)7538(Top 69%)7538(Top 467%)
10K6.21 mi3.10 mi19383+1817525+1387525+13819264(Top 75%)7436(Top 68%)7436(Top 461%)
15K9.32 mi3.11 mi19437-547541-167541-1619533(Top 76%)7538(Top 69%)7538(Top 467%)
20K12.43 mi3.11 mi19652-2157641-1007641-10020049(Top 78%)7839(Top 72%)7839(Top 486%)
Half13.11 mi0.68 mi19653-17640+17640+119465(Top 76%)7591(Top 69%)7591(Top 471%)
25K15.53 mi2.42 mi19658-57664-247664-2419688(Top 77%)7754(Top 71%)7754(Top 481%)
30K18.64 mi3.11 mi19434+2247608+567608+5618522(Top 72%)7322(Top 67%)7322(Top 454%)
20M20.00 mi1.36 mi19455-217645-377645-3719945(Top 78%)8189(Top 75%)8189(Top 508%)
21M21.00 mi1.00 mi19523-687701-567701-5620421(Top 80%)8535(Top 78%)8535(Top 529%)
35K21.75 mi0.75 mi19571-487749-487749-4821413(Top 84%)9051(Top 83%)9051(Top 561%)
23M23.00 mi1.25 mi19826-2557901-1527901-15222636(Top 89%)9665(Top 88%)9665(Top 599%)
24M24.00 mi1.00 mi19912-867954-537954-5321640(Top 85%)9253(Top 85%)9253(Top 574%)
40K24.85 mi0.85 mi19914-27980-267980-2620114(Top 79%)8585(Top 79%)8585(Top 532%)
25.2M25.20 mi0.35 mi19891+237971+97971+918828(Top 74%)7928(Top 73%)7928(Top 492%)
Finish26.22 mi1.02 mi19875+167984-137984-1319783(Top 77%)8369(Top 77%)8369(Top 519%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

19533

Females

7538

F40-44

7538

5K→10K

3.1 - 6.2 mi

Top 75%
×5story building
+79ft-138ft

Overall

19264

Females

7436

F40-44

7436

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

19533

Females

7538

F40-44

7538

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20049

Females

7839

F40-44

7839

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

19465

Females

7591

F40-44

7591

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

19688

Females

7754

F40-44

7754

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

18522

Females

7322

F40-44

7322

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

19945

Females

8189

F40-44

8189

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

20421

Females

8535

F40-44

8535

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

21413

Females

9051

F40-44

9051

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

22636

Females

9665

F40-44

9665

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

21640

Females

9253

F40-44

9253

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20114

Females

8585

F40-44

8585

40K→25.2M

24.9 - 25.2 mi

Top 74%
×1story
+13ft-16ft

Overall

18828

Females

7928

F40-44

7928

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

19783

Females

8369

F40-44

8369

Passing Analysis

Category:
Athletes Passed
1661
Passed By
1972
Net Change
-311
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19564
5K → 10K347166+181#19564#19383
10K → 15K207261-54#19383#19437
15K → 20K159374-215#19437#19652
20K → Half3435-1#19652#19653
Half → 25K179184-5#19653#19658
25K → 30K31995+224#19658#19434
30K → 20M7798-21#19434#19455
20M → 21M56124-68#19455#19523
21M → 35K3886-48#19523#19571
35K → 23M38293-255#19571#19826
23M → 24M43129-86#19826#19912
24M → 40K6466-2#19912#19914
40K → 25.2M4017+23#19914#19891
25.2M → Finish6044+16#19891#19875
TOTALS16611972-311
📊

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