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BOSTON MARATHON 2024

Jennifer Shih

Bib: 10278•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 27%
Division (F18-39)
#0 / 4660
Top 44%
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
7:11/mi
22:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:12/mi
44:41
↑ 79↓ 1380.4%
15K· 9.32 mi
7:17/mi
1:07:20
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:30:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:35:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:34/mi
1:53:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:22/mi
2:19:43
↑ 181↓ 1480.2%
20M
9:25/mi
2:32:31
↑ 64↓ 500.2%
21M
9:58/mi
2:42:29
↑ 106↓ 241.6%
35K· 21.75 mi
8:53/mi
2:49:08
↑ 17↓ 861.7%
23M
9:02/mi
3:00:27
↑ 23↓ 630.6%
24M
11:34/mi
3:12:01
↓ 821.3%
40K· 24.85 mi
11:02/mi
3:21:27
↓ 200.3%
25.2M
10:18/mi
3:25:00
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:34:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:24
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:58:57
Pace9:04 /mi
📊Positive Split: 24.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0522:207:1122:20
7:11
-
10K
6.21 mi11:11:2644:417:1122:21
7:12
+0:01
15K
9.32 mi11:34:051:07:207:1322:39
7:17
+0:05
20K
12.43 mi11:57:051:30:207:1623:00
7:24
+0:07
Half
13.11 mi12:02:091:35:247:175:04
7:26
+0:02
25K
15.53 mi12:20:291:53:447:1918:20
7:34
+0:08
30K
18.64 mi12:46:282:19:437:3025:59
8:22
+0:48
20M
20.00 mi12:59:162:32:317:3812:48
9:25
+1:03
21M
21.00 mi13:09:142:42:297:449:58
9:58
+0:33
35K
21.75 mi13:15:532:49:087:476:39
8:53
-1:05
23M
23.00 mi13:27:123:00:277:5111:19
9:02
+0:09
24M
24.00 mi13:38:463:12:018:0011:34
11:34
+2:32
40K
24.85 mi13:48:123:21:278:069:26
11:02
-0:32
25.2M
25.20 mi13:51:453:25:008:083:33
10:18
-0:44
Finish
26.22 mi14:01:063:34:218:119:21
9:11
-1:07

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

7:11 /mi

Average Pace

8:11 /mi

Slowest Pace

11:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:44

53% of race

Time at Steady Pace

1:06:06

31% of race

Time at Slower Pace

34:31

16% of race

Average Pace: 8:11 /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 mi10:49:0522:207:1122:20
7:11
#8357
10K
6.21 mi11:11:2644:417:1122:21
7:12
#8077
15K
9.32 mi11:34:051:07:207:1322:39
7:17
#8047
20K
12.43 mi11:57:051:30:207:1623:00
7:24
#7907
Half
13.11 mi12:02:091:35:247:175:04
7:26
#7922
25K
15.53 mi12:20:291:53:447:1918:20
7:34
#7755
30K
18.64 mi12:46:282:19:437:3025:59
8:22
#8119
20M
20.00 mi12:59:162:32:317:3812:48
9:25
#8600
21M
21.00 mi13:09:142:42:297:449:58
9:58
#8805
35K
21.75 mi13:15:532:49:087:476:39
8:53
#8923
23M
23.00 mi13:27:123:00:277:5111:19
9:02
#8999
24M
24.00 mi13:38:463:12:018:0011:34
11:34
#9925
40K
24.85 mi13:48:123:21:278:069:26
11:02
#10391
25.2M
25.20 mi13:51:453:25:008:083:33
10:18
#10420
Finish
26.22 mi14:01:063:34:218:119:21
9:11
#10612
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8357132213228116(Top 32%)1317(Top 12%)1317(Top 28%)
10K6.21 mi3.10 mi8077+2801234+881234+887899(Top 31%)1205(Top 11%)1205(Top 26%)
15K9.32 mi3.11 mi8047+301246-121246-128116(Top 32%)1317(Top 12%)1317(Top 28%)
20K12.43 mi3.11 mi7907+1401212+341212+347667(Top 30%)1252(Top 11%)1252(Top 27%)
Half13.11 mi0.68 mi7922-151217-51217-58655(Top 34%)1664(Top 15%)1664(Top 36%)
25K15.53 mi2.42 mi7755+1671200+171200+177404(Top 29%)1330(Top 12%)1330(Top 29%)
30K18.64 mi3.11 mi8119-3641438-2381438-2389907(Top 39%)2667(Top 24%)2667(Top 57%)
20M20.00 mi1.36 mi8600-4811690-2521690-25214157(Top 55%)5203(Top 48%)5203(Top 112%)
21M21.00 mi1.00 mi8805-2051853-1631853-16312845(Top 50%)4703(Top 43%)4703(Top 101%)
35K21.75 mi0.75 mi8923-1181932-791932-7912775(Top 50%)4679(Top 43%)4679(Top 100%)
23M23.00 mi1.25 mi8999-762038-1062038-10611375(Top 45%)4088(Top 37%)4088(Top 88%)
24M24.00 mi1.00 mi9925-9262538-5002538-50020573(Top 81%)8716(Top 80%)8716(Top 187%)
40K24.85 mi0.85 mi10391-4662814-2762814-27618163(Top 71%)7570(Top 69%)7570(Top 162%)
25.2M25.20 mi0.35 mi10420-292850-362850-3612076(Top 47%)4623(Top 42%)4623(Top 99%)
Finish26.22 mi1.02 mi10612-1922995-1452995-14515037(Top 59%)5989(Top 55%)5989(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8116

Females

1317

F18-39

1317

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

7899

Females

1205

F18-39

1205

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8116

Females

1317

F18-39

1317

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

7667

Females

1252

F18-39

1252

20K→Half

12.4 - 13.1 mi

Top 34%
×2story building
+19ft-37ft

Overall

8655

Females

1664

F18-39

1664

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

7404

Females

1330

F18-39

1330

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

9907

Females

2667

F18-39

2667

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14157

Females

5203

F18-39

5203

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

12845

Females

4703

F18-39

4703

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12775

Females

4679

F18-39

4679

35K→23M

21.8 - 23.0 mi

Top 45%
×5story building
+23ft-63ft

Overall

11375

Females

4088

F18-39

4088

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

20573

Females

8716

F18-39

8716

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18163

Females

7570

F18-39

7570

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12076

Females

4623

F18-39

4623

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

15037

Females

5989

F18-39

5989

Passing Analysis

Category:
Athletes Passed
1613
Passed By
3867
Net Change
-2255
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8357
5K → 10K380100+280#8357#8077
10K → 15K183153+30#8077#8047
15K → 20K23696+140#8047#7907
20K → Half2944-15#7907#7922
Half → 25K25184+167#7922#7755
25K → 30K165529-364#7755#8119
30K → 20M29510-481#8119#8600
20M → 21M63268-205#8600#8805
21M → 35K44162-118#8805#8923
35K → 23M126202-76#8923#8999
23M → 24M9935-926#8999#9925
24M → 40K19484-466#9925#10391
40K → 25.2M3362-29#10391#10420
25.2M → Finish46238-192#10420#10612
TOTALS16133867-2255
📊

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