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BOSTON MARATHON 2024

Sarah Tsang

Bib: 13429•F

AB

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 25%
Gender (Female)
#0 / 10924
Top 10%
Division (F18-39)
#0 / 4660
Top 19%
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
7:29/mi
23:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
46:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:27/mi
1:09:30
↑ 67↓ 78
20K· 12.43 mi
7:30/mi
1:32:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:37:52
↑ 19↓ 370.5%
25K· 15.53 mi
7:37/mi
1:56:19
↑ 66↓ 880.2%
30K· 18.64 mi
7:42/mi
2:20:13
↑ 181↓ 1480.2%
20M
7:46/mi
2:30:46
↑ 64↓ 500.2%
21M
8:13/mi
2:38:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:36/mi
2:44:40
↑ 17↓ 861.7%
23M
7:51/mi
2:54:30
↑ 23↓ 630.6%
24M
7:32/mi
3:02:02
↓ 821.3%
40K· 24.85 mi
7:28/mi
3:08:25
↓ 200.3%
25.2M
8:10/mi
3:11:14
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:18:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:52
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:40:22
Pace7:39 /mi
📊Positive Split: 2.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1823:147:2923:14
7:29
-
10K
6.21 mi11:16:2646:227:2823:08
7:27
-0:02
15K
9.32 mi11:39:341:09:307:2723:08
7:27
0:00
20K
12.43 mi12:02:521:32:487:2823:18
7:30
+0:03
Half
13.11 mi12:07:561:37:527:285:04
7:26
-0:04
25K
15.53 mi12:26:231:56:197:2918:27
7:37
+0:11
30K
18.64 mi12:50:172:20:137:3123:54
7:42
+0:05
20M
20.00 mi13:00:502:30:467:3210:33
7:46
+0:04
21M
21.00 mi13:09:032:38:597:348:13
8:13
+0:27
35K
21.75 mi13:14:442:44:407:345:41
7:36
-0:37
23M
23.00 mi13:24:342:54:307:359:50
7:51
+0:15
24M
24.00 mi13:32:063:02:027:357:32
7:32
-0:19
40K
24.85 mi13:38:293:08:257:356:23
7:28
-0:04
25.2M
25.20 mi13:41:183:11:147:352:49
8:10
+0:42
Finish
26.22 mi13:48:183:18:147:347:00
6:52
-1:18

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

6:52 /mi

Average Pace

7:34 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:47

60% of race

Time at Steady Pace

1:08:25

35% of race

Time at Slower Pace

11:02

6% of race

Average Pace: 7:34 /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 mi10:53:1823:147:2923:14
7:29
#10566
10K
6.21 mi11:16:2646:227:2823:08
7:27
#10151
15K
9.32 mi11:39:341:09:307:2723:08
7:27
#9789
20K
12.43 mi12:02:521:32:487:2823:18
7:30
#9364
Half
13.11 mi12:07:561:37:527:285:04
7:26
#9321
25K
15.53 mi12:26:231:56:197:2918:27
7:37
#8972
30K
18.64 mi12:50:172:20:137:3123:54
7:42
#8300
20M
20.00 mi13:00:502:30:467:3210:33
7:46
#8007
21M
21.00 mi13:09:032:38:597:348:13
8:13
#7717
35K
21.75 mi13:14:442:44:407:345:41
7:36
#7570
23M
23.00 mi13:24:342:54:307:359:50
7:51
#7305
24M
24.00 mi13:32:063:02:027:357:32
7:32
#7069
40K
24.85 mi13:38:293:08:257:356:23
7:28
#6842
25.2M
25.20 mi13:41:183:11:147:352:49
8:10
#6708
Finish
26.22 mi13:48:183:18:147:347:00
6:52
#6457
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10566232023209250(Top 36%)1801(Top 16%)1801(Top 39%)
10K6.21 mi3.10 mi10151+4152131+1892131+1899806(Top 38%)2008(Top 18%)2008(Top 43%)
15K9.32 mi3.11 mi9789+3621988+1431988+1439250(Top 36%)1801(Top 16%)1801(Top 39%)
20K12.43 mi3.11 mi9364+4251829+1591829+1598382(Top 33%)1532(Top 14%)1532(Top 33%)
Half13.11 mi0.68 mi9321+431814+151814+158593(Top 34%)1602(Top 15%)1602(Top 34%)
25K15.53 mi2.42 mi8972+3491699+1151699+1157695(Top 30%)1430(Top 13%)1430(Top 31%)
30K18.64 mi3.11 mi8300+6721515+1841515+1846108(Top 24%)1017(Top 9%)1017(Top 22%)
20M20.00 mi1.36 mi8007+2931442+731442+735550(Top 22%)953(Top 9%)953(Top 20%)
21M21.00 mi1.00 mi7717+2901363+791363+795014(Top 20%)893(Top 8%)893(Top 19%)
35K21.75 mi0.75 mi7570+1471334+291334+295571(Top 22%)1117(Top 10%)1117(Top 24%)
23M23.00 mi1.25 mi7305+2651281+531281+535081(Top 20%)1042(Top 10%)1042(Top 22%)
24M24.00 mi1.00 mi7069+2361231+501231+504294(Top 17%)803(Top 7%)803(Top 17%)
40K24.85 mi0.85 mi6842+2271186+451186+453399(Top 13%)576(Top 5%)576(Top 12%)
25.2M25.20 mi0.35 mi6708+1341160+261160+263334(Top 13%)584(Top 5%)584(Top 13%)
Finish26.22 mi1.02 mi6457+2511099+611099+612635(Top 10%)378(Top 3%)378(Top 8%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9250

Females

1801

F18-39

1801

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

9806

Females

2008

F18-39

2008

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9250

Females

1801

F18-39

1801

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8382

Females

1532

F18-39

1532

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8593

Females

1602

F18-39

1602

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

7695

Females

1430

F18-39

1430

25K→30K

15.5 - 18.6 mi

Top 24%
×9story building
+181ft-148ft

Overall

6108

Females

1017

F18-39

1017

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5550

Females

953

F18-39

953

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5014

Females

893

F18-39

893

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5571

Females

1117

F18-39

1117

35K→23M

21.8 - 23.0 mi

Top 20%
×5story building
+23ft-63ft

Overall

5081

Females

1042

F18-39

1042

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4294

Females

803

F18-39

803

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3399

Females

576

F18-39

576

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3334

Females

584

F18-39

584

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2635

Females

378

F18-39

378

Passing Analysis

Category:
Athletes Passed
4416*
Passed By
307
Net Change
+4109
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10566
5K → 10K518*103+415#10566#10151
10K → 15K411*49+362#10151#9789
15K → 20K46641+425#9789#9364
20K → Half5411+43#9364#9321
Half → 25K38738+349#9321#8972
25K → 30K68513+672#8972#8300
30K → 20M3018+293#8300#8007
20M → 21M30313+290#8007#7717
21M → 35K1569+147#7717#7570
35K → 23M27914+265#7570#7305
23M → 24M2415+236#7305#7069
24M → 40K2292+227#7069#6842
40K → 25.2M1351+134#6842#6708
25.2M → Finish2510+251#6708#6457
TOTALS4416*307+4109

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

📊

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