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BOSTON MARATHON 2024

Anne Chang

Bib: 13990•F

AB

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 41%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 15%
Division (F45-49)
#0 / 1753
Top 17%
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
7:39/mi
23:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:42/mi
47:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:12:33
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:37:42
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:43:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:19/mi
2:03:20
↑ 66↓ 880.2%
30K· 18.64 mi
8:44/mi
2:30:28
↑ 181↓ 1480.2%
20M
8:35/mi
2:42:08
↑ 64↓ 500.2%
21M
9:01/mi
2:51:09
↑ 106↓ 241.6%
35K· 21.75 mi
8:05/mi
2:57:12
↑ 17↓ 861.7%
23M
8:43/mi
3:08:07
↑ 23↓ 630.6%
24M
8:07/mi
3:16:14
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:22:56
↓ 200.3%
25.2M
8:59/mi
3:26:02
↑ 13↓ 160.2%
Finish· 26.22 mi
7:53/mi
3:34:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:09
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time1:50:55
Pace8:28 /mi
📊Positive Split: 7.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1123:457:3923:45
7:39
-
10K
6.21 mi11:18:0747:417:4023:56
7:42
+0:03
15K
9.32 mi11:42:591:12:337:4724:52
8:00
+0:18
20K
12.43 mi12:08:081:37:427:5225:09
8:06
+0:06
Half
13.11 mi12:13:351:43:097:525:27
7:59
-0:07
25K
15.53 mi12:33:462:03:207:5620:11
8:19
+0:20
30K
18.64 mi13:00:542:30:288:0427:08
8:44
+0:25
20M
20.00 mi13:12:342:42:088:0611:40
8:35
-0:09
21M
21.00 mi13:21:352:51:098:099:01
9:01
+0:26
35K
21.75 mi13:27:382:57:128:096:03
8:05
-0:56
23M
23.00 mi13:38:333:08:078:1110:55
8:43
+0:38
24M
24.00 mi13:46:403:16:148:118:07
8:07
-0:36
40K
24.85 mi13:53:223:22:568:106:42
7:50
-0:17
25.2M
25.20 mi13:56:283:26:028:113:06
8:59
+1:09
Finish
26.22 mi14:04:303:34:048:108:02
7:53
-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

8:10 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:14

71% of race

Time at Steady Pace

1:01:50

29% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:10 /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 mi10:54:1123:457:3923:45
7:39
#11889
10K
6.21 mi11:18:0747:417:4023:56
7:42
#11865
15K
9.32 mi11:42:591:12:337:4724:52
8:00
#12393
20K
12.43 mi12:08:081:37:427:5225:09
8:06
#12357
Half
13.11 mi12:13:351:43:097:525:27
7:59
#12365
25K
15.53 mi12:33:462:03:207:5620:11
8:19
#12267
30K
18.64 mi13:00:542:30:288:0427:08
8:44
#12159
20M
20.00 mi13:12:342:42:088:0611:40
8:35
#11937
21M
21.00 mi13:21:352:51:098:099:01
9:01
#11674
35K
21.75 mi13:27:382:57:128:096:03
8:05
#11494
23M
23.00 mi13:38:333:08:078:1110:55
8:43
#11298
24M
24.00 mi13:46:403:16:148:118:07
8:07
#11079
40K
24.85 mi13:53:223:22:568:106:42
7:50
#10781
25.2M
25.20 mi13:56:283:26:028:113:06
8:59
#10690
Finish
26.22 mi14:04:303:34:048:108:02
7:53
#10542
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi118893065306513488(Top 53%)4072(Top 37%)4072(Top 232%)
10K6.21 mi3.10 mi11865+243096-313096-3111913(Top 47%)3141(Top 29%)3141(Top 179%)
15K9.32 mi3.11 mi12393-5283406-3103406-31013488(Top 53%)4072(Top 37%)4072(Top 232%)
20K12.43 mi3.11 mi12357+363411-53411-512497(Top 49%)3577(Top 33%)3577(Top 204%)
Half13.11 mi0.68 mi12365-83419-83419-812690(Top 50%)3697(Top 34%)3697(Top 211%)
25K15.53 mi2.42 mi12267+983409+103409+1012118(Top 47%)3576(Top 33%)3576(Top 204%)
30K18.64 mi3.11 mi12159+1083441-323441-3211872(Top 46%)3667(Top 34%)3667(Top 209%)
20M20.00 mi1.36 mi11937+2223370+713370+719919(Top 39%)2901(Top 27%)2901(Top 165%)
21M21.00 mi1.00 mi11674+2633293+773293+778702(Top 34%)2540(Top 23%)2540(Top 145%)
35K21.75 mi0.75 mi11494+1803227+663227+668369(Top 33%)2405(Top 22%)2405(Top 137%)
23M23.00 mi1.25 mi11298+1963191+363191+369672(Top 38%)3223(Top 30%)3223(Top 184%)
24M24.00 mi1.00 mi11079+2193127+643127+647329(Top 29%)2168(Top 20%)2168(Top 124%)
40K24.85 mi0.85 mi10781+2983017+1103017+1105005(Top 20%)1201(Top 11%)1201(Top 69%)
25.2M25.20 mi0.35 mi10690+912993+242993+246591(Top 26%)1991(Top 18%)1991(Top 114%)
Finish26.22 mi1.02 mi10542+1482956+372956+377858(Top 31%)2500(Top 23%)2500(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

13488

Females

4072

F45-49

4072

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

11913

Females

3141

F45-49

3141

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

13488

Females

4072

F45-49

4072

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12497

Females

3577

F45-49

3577

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

12690

Females

3697

F45-49

3697

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12118

Females

3576

F45-49

3576

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

11872

Females

3667

F45-49

3667

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

9919

Females

2901

F45-49

2901

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8702

Females

2540

F45-49

2540

21M→35K

21.0 - 21.8 mi

Top 33%
×7story building
+17ft-86ft

Overall

8369

Females

2405

F45-49

2405

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

9672

Females

3223

F45-49

3223

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7329

Females

2168

F45-49

2168

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5005

Females

1201

F45-49

1201

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6591

Females

1991

F45-49

1991

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2story building
+22ft-21ft

Overall

7858

Females

2500

F45-49

2500

Passing Analysis

Category:
Athletes Passed
3071
Passed By
1724
Net Change
+1347
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11889
5K → 10K297273+24#11889#11865
10K → 15K105633-528#11865#12393
15K → 20K250214+36#12393#12357
20K → Half3947-8#12357#12365
Half → 25K285187+98#12365#12267
25K → 30K346238+108#12267#12159
30K → 20M25230+222#12159#11937
20M → 21M29027+263#11937#11674
21M → 35K1844+180#11674#11494
35K → 23M23539+196#11494#11298
23M → 24M2289+219#11298#11079
24M → 40K2991+298#11079#10781
40K → 25.2M932+91#10781#10690
25.2M → Finish16820+148#10690#10542
TOTALS30711724+1347
📊

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