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BOSTON MARATHON 2024

Jenny Simpson

Bib: 127 F US

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 0.6%
Gender (Female)
#0 / 10924
Top 0.2%
Division (F18-39)
#0 / 4660
Top 0.3%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:30/mi
17:04
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
5:35/mi
34:26
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
5:39/mi
52:00
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
5:43/mi
1:09:46
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
5:42/mi
1:13:39
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
5:46/mi
1:27:37
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
5:55/mi
1:46:01
↑ 181↓ 1480.2%
138 ft elev
20M
6:01/mi
1:54:12
↑ 64↓ 500.2%
148 ft elev
21M
6:16/mi
2:00:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
5:44/mi
2:04:45
↑ 17↓ 861.7%
156 ft elev
23M
6:02/mi
2:12:18
↑ 23↓ 630.6%
116 ft elev
24M
5:53/mi
2:18:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:01/mi
2:23:20
↓ 200.3%
20 ft elev
25.2M
6:37/mi
2:25:37
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
5:55/mi
2:31:39
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:13:395:37 /mi⚡ faster
2nd Half
1:18:005:57 /mi+5.9%
Positive split — 5.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
17:045:303.11 mi17:04
5:30
-
10K
34:265:323.10 mi17:22
5:35
+0:05
15K
52:005:353.11 mi17:34
5:39
+0:04
20K
1:09:465:373.11 mi17:46
5:43
+0:04
Half(13.11 mi)
1:13:395:370.68 mi3:53
5:42
-0:01
25K
1:27:375:382.42 mi13:58
5:46
+0:04
30K
1:46:015:413.11 mi18:24
5:55
+0:09
20M
1:54:125:431.36 mi8:11
6:01
+0:06
21M
2:00:285:441.00 mi6:16
6:16
+0:15
35K
2:04:455:440.75 mi4:17
5:44
-0:32
23M
2:12:185:451.25 mi7:33
6:02
+0:18
24M
2:18:115:451.00 mi5:53
5:53
-0:09
40K
2:23:205:460.85 mi5:09
6:01
+0:08
25.2M
2:25:375:470.35 mi2:17
6:37
+0:36
Finish(26.22 mi)
2:31:395:471.02 mi6:02
5:55
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:30 /mi

Average Pace

5:47 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:17:56

51% of race

Time at Steady Pace

57:37

38% of race

Time at Slower Pace

16:06

11% of race

Average Pace: 5:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi15319192061919
10K6.21 mi3.10 mi173-2019191981919
15K9.32 mi3.11 mi171+219192061919
20K12.43 mi3.11 mi172-119192051818
Half13.11 mi0.68 mi169+319192661818
25K15.53 mi2.42 mi168+119191991818
30K18.64 mi3.11 mi162+619191951818
20M20.00 mi1.36 mi160+219192221919
21M21.00 mi1.00 mi16019191931818
35K21.75 mi0.75 mi153+718+118+11631717
23M23.00 mi1.25 mi150+318181961818
24M24.00 mi1.00 mi148+218182061919
40K24.85 mi0.85 mi14818182161919
25.2M25.20 mi0.35 mi147+118182481818
Finish26.22 mi1.02 mi152-518183542323

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.8%
×21story building
+97ft-345ft

Overall

206

Females

19

F18-39

19

5K→10K

3.1 - 6.2 mi

Top 0.8%
×5story building
+79ft-138ft

Overall

198

Females

19

F18-39

19

10K→15K

6.2 - 9.3 mi

Top 0.8%
×3story building
+67ft-78ft

Overall

206

Females

19

F18-39

19

15K→20K

9.3 - 12.4 mi

Top 0.8%
×5story building
+106ft-86ft

Overall

205

Females

18

F18-39

18

20K→Half

12.4 - 13.1 mi

Top 1%
×2story building
+19ft-37ft

Overall

266

Females

18

F18-39

18

Half→25K

13.1 - 15.5 mi

Top 0.8%
×4story building
+66ft-88ft

Overall

199

Females

18

F18-39

18

25K→30K

15.5 - 18.6 mi

Top 0.8%
×9story building
+181ft-148ft

Overall

195

Females

18

F18-39

18

30K→20M

18.6 - 20.0 mi

Top 0.9%
×5story building
+64ft-50ft

Overall

222

Females

19

F18-39

19

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8story building
+106ft-24ft

Overall

193

Females

18

F18-39

18

21M→35K

21.0 - 21.8 mi

Top 0.6%
×7story building
+17ft-86ft

Overall

163

Females

17

F18-39

17

35K→23M

21.8 - 23.0 mi

Top 0.8%
×5story building
+23ft-63ft

Overall

196

Females

18

F18-39

18

23M→24M

23.0 - 24.0 mi

Top 0.8%
×6story building
+12ft-82ft

Overall

206

Females

19

F18-39

19

24M→40K

24.0 - 24.9 mi

Top 0.8%
×1story
+6ft-20ft

Overall

216

Females

19

F18-39

19

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

248

Females

18

F18-39

18

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2story building
+22ft-21ft

Overall

354

Females

23

F18-39

23

Passing Analysis

Category:
Athletes Passed
84
Passed By
83
Net Change
+1
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#153
5K → 10K525-20#153#173
10K → 15K108+2#173#171
15K → 20K78-1#171#172
20K → Half41+3#172#169
Half → 25K109+1#169#168
25K → 30K148+6#168#162
30K → 20M53+2#162#160
20M → 21M770#160#160
21M → 35K81+7#160#153
35K → 23M52+3#153#150
23M → 24M31+2#150#148
24M → 40K220#148#148
40K → 25.2M21+1#148#147
25.2M → Finish27-5#147#152
TOTALS8483+1

Passing Charts

Category:
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Passing Circle

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Position Flow

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Race Lanes

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