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BOSTON MARATHON 2024

Rebecca Kemmer

Bib: 24032•F

MA

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
10:56/mi
33:57
↑ 97↓ 3451.5%
10K· 6.21 mi
10:42/mi
1:07:11
↑ 79↓ 1380.4%
15K· 9.32 mi
10:41/mi
1:40:24
↑ 67↓ 78
20K· 12.43 mi
11:01/mi
2:14:37
↑ 106↓ 860.1%
Half· 13.11 mi
11:17/mi
2:22:19
↑ 19↓ 370.5%
25K· 15.53 mi
11:27/mi
2:50:04
↑ 66↓ 880.2%
30K· 18.64 mi
11:53/mi
3:26:58
↑ 181↓ 1480.2%
20M
12:04/mi
3:43:22
↑ 64↓ 500.2%
21M
12:29/mi
3:55:51
↑ 106↓ 241.6%
35K· 21.75 mi
11:32/mi
4:04:29
↑ 17↓ 861.7%
23M
11:52/mi
4:19:21
↑ 23↓ 630.6%
24M
11:57/mi
4:31:18
↓ 821.3%
40K· 24.85 mi
11:25/mi
4:41:04
↓ 200.3%
25.2M
12:43/mi
4:45:27
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
4:56:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:22:19
Pace10:51 /mi
2nd Half
Distance13.11 mi
Time2:34:00
Pace11:45 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4733:5710:5633:57
10:56
-
10K
6.21 mi12:23:011:07:1110:4933:14
10:42
-0:14
15K
9.32 mi12:56:141:40:2410:4633:13
10:41
-0:01
20K
12.43 mi13:30:272:14:3710:5034:13
11:01
+0:20
Half
13.11 mi13:38:092:22:1910:517:42
11:17
+0:16
25K
15.53 mi14:05:542:50:0410:5727:45
11:27
+0:10
30K
18.64 mi14:42:483:26:5811:0636:54
11:53
+0:26
20M
20.00 mi14:59:123:43:2211:1016:24
12:04
+0:11
21M
21.00 mi15:11:413:55:5111:1412:29
12:29
+0:25
35K
21.75 mi15:20:194:04:2911:148:38
11:32
-0:57
23M
23.00 mi15:35:114:19:2111:1714:52
11:52
+0:20
24M
24.00 mi15:47:084:31:1811:1811:57
11:57
+0:05
40K
24.85 mi15:56:544:41:0411:189:46
11:25
-0:32
25.2M
25.20 mi16:01:174:45:2711:204:23
12:43
+1:18
Finish
26.22 mi16:12:094:56:1911:1910:52
10:40
-2:03

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

10:40 /mi

Average Pace

11:19 /mi

Slowest Pace

12:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:20

67% of race

Time at Steady Pace

1:32:36

31% of race

Time at Slower Pace

4:23

1% of race

Average Pace: 11:18 /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 mi11:49:4733:5710:5633:57
10:56
#24753
10K
6.21 mi12:23:011:07:1110:4933:14
10:42
#24319
15K
9.32 mi12:56:141:40:2410:4633:13
10:41
#23959
20K
12.43 mi13:30:272:14:3710:5034:13
11:01
#23651
Half
13.11 mi13:38:092:22:1910:517:42
11:17
#23678
25K
15.53 mi14:05:542:50:0410:5727:45
11:27
#23472
30K
18.64 mi14:42:483:26:5811:0636:54
11:53
#23163
20M
20.00 mi14:59:123:43:2211:1016:24
12:04
#23033
21M
21.00 mi15:11:413:55:5111:1412:29
12:29
#22887
35K
21.75 mi15:20:194:04:2911:148:38
11:32
#22832
23M
23.00 mi15:35:114:19:2111:1714:52
11:52
#22732
24M
24.00 mi15:47:084:31:1811:1811:57
11:57
#22669
40K
24.85 mi15:56:544:41:0411:189:46
11:25
#22568
25.2M
25.20 mi16:01:174:45:2711:204:23
12:43
#22531
Finish
26.22 mi16:12:094:56:1911:1910:52
10:40
#22471
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24753104041040423263(Top 91%)9571(Top 88%)9571(Top 205%)
10K6.21 mi3.10 mi24319+43410142+26210142+26223862(Top 93%)9890(Top 91%)9890(Top 212%)
15K9.32 mi3.11 mi23959+3609932+2109932+21023263(Top 91%)9571(Top 88%)9571(Top 205%)
20K12.43 mi3.11 mi23651+3089773+1599773+15922648(Top 89%)9259(Top 85%)9259(Top 199%)
Half13.11 mi0.68 mi23678-279792-199792-1923875(Top 93%)9982(Top 91%)9982(Top 214%)
25K15.53 mi2.42 mi23472+2069710+829710+8222331(Top 87%)9175(Top 84%)9175(Top 197%)
30K18.64 mi3.11 mi23163+3099595+1159595+11521713(Top 85%)9007(Top 82%)9007(Top 193%)
20M20.00 mi1.36 mi23033+1309540+559540+5521490(Top 84%)9009(Top 82%)9009(Top 193%)
21M21.00 mi1.00 mi22887+1469483+579483+5719844(Top 78%)8247(Top 75%)8247(Top 177%)
35K21.75 mi0.75 mi22832+559459+249459+2420956(Top 82%)8809(Top 81%)8809(Top 189%)
23M23.00 mi1.25 mi22732+1009414+459414+4520482(Top 80%)8639(Top 79%)8639(Top 185%)
24M24.00 mi1.00 mi22669+639393+219393+2121359(Top 84%)9117(Top 83%)9117(Top 196%)
40K24.85 mi0.85 mi22568+1019362+319362+3119169(Top 75%)8106(Top 74%)8106(Top 174%)
25.2M25.20 mi0.35 mi22531+379352+109352+1019098(Top 75%)8072(Top 74%)8072(Top 173%)
Finish26.22 mi1.02 mi22471+609336+169336+1620477(Top 80%)8716(Top 80%)8716(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

23263

Females

9571

F18-39

9571

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

23862

Females

9890

F18-39

9890

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

23263

Females

9571

F18-39

9571

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

22648

Females

9259

F18-39

9259

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

23875

Females

9982

F18-39

9982

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

22331

Females

9175

F18-39

9175

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

21713

Females

9007

F18-39

9007

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

21490

Females

9009

F18-39

9009

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19844

Females

8247

F18-39

8247

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

20956

Females

8809

F18-39

8809

35K→23M

21.8 - 23.0 mi

Top 80%
×5story building
+23ft-63ft

Overall

20482

Females

8639

F18-39

8639

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

21359

Females

9117

F18-39

9117

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

19169

Females

8106

F18-39

8106

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

19098

Females

8072

F18-39

8072

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20477

Females

8716

F18-39

8716

Passing Analysis

Category:
Athletes Passed
2500
Passed By
218
Net Change
+2282
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24753
5K → 10K45319+434#24753#24319
10K → 15K37616+360#24319#23959
15K → 20K3168+308#23959#23651
20K → Half2754-27#23651#23678
Half → 25K22822+206#23678#23472
25K → 30K32516+309#23472#23163
30K → 20M14313+130#23163#23033
20M → 21M1526+146#23033#22887
21M → 35K594+55#22887#22832
35K → 23M11111+100#22832#22732
23M → 24M8320+63#22732#22669
24M → 40K1065+101#22669#22568
40K → 25.2M414+37#22568#22531
25.2M → Finish8020+60#22531#22471
TOTALS2500218+2282
📊

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