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BOSTON MARATHON 2024

Stacey Kern

Bib: 13300•F

WY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 27%
Masters (Masters Women)
#0 / 6263
Top 15%
Division (F45-49)
#0 / 1753
Top 18%
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
8:27/mi
26:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:59/mi
51:02
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:15:37
↑ 67↓ 78
20K· 12.43 mi
8:05/mi
1:40:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:09
↑ 19↓ 370.5%
25K· 15.53 mi
8:08/mi
2:05:52
↑ 66↓ 880.2%
30K· 18.64 mi
8:24/mi
2:31:59
↑ 181↓ 1480.2%
20M
8:30/mi
2:43:32
↑ 64↓ 500.2%
21M
8:50/mi
2:52:22
↑ 106↓ 241.6%
35K· 21.75 mi
8:08/mi
2:58:27
↑ 17↓ 861.7%
23M
8:23/mi
3:08:57
↑ 23↓ 630.6%
24M
7:59/mi
3:16:56
↓ 821.3%
40K· 24.85 mi
8:00/mi
3:23:46
↓ 200.3%
25.2M
8:51/mi
3:26:49
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:34:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:09
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:48:13
Pace8:15 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4526:148:2726:14
8:27
-
10K
6.21 mi11:20:3351:028:1324:48
7:59
-0:28
15K
9.32 mi11:45:081:15:378:0724:35
7:55
-0:04
20K
12.43 mi12:10:141:40:438:0625:06
8:05
+0:10
Half
13.11 mi12:15:401:46:098:065:26
7:58
-0:07
25K
15.53 mi12:35:232:05:528:0619:43
8:08
+0:10
30K
18.64 mi13:01:302:31:598:0926:07
8:24
+0:16
20M
20.00 mi13:13:032:43:328:1111:33
8:30
+0:06
21M
21.00 mi13:21:532:52:228:128:50
8:50
+0:20
35K
21.75 mi13:27:582:58:278:126:05
8:08
-0:42
23M
23.00 mi13:38:283:08:578:1310:30
8:23
+0:15
24M
24.00 mi13:46:273:16:568:127:59
7:59
-0:24
40K
24.85 mi13:53:173:23:468:126:50
8:00
+0:01
25.2M
25.20 mi13:56:203:26:498:123:03
8:51
+0:51
Finish
26.22 mi14:03:533:34:228:117:33
7:25
-1:26

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

7:25 /mi

Average Pace

8:11 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:05

60% of race

Time at Steady Pace

1:14:24

35% of race

Time at Slower Pace

11:53

6% 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 mi10:55:4526:148:2726:14
8:27
#17459
10K
6.21 mi11:20:3351:028:1324:48
7:59
#15826
15K
9.32 mi11:45:081:15:378:0724:35
7:55
#14798
20K
12.43 mi12:10:141:40:438:0625:06
8:05
#14085
Half
13.11 mi12:15:401:46:098:065:26
7:58
#13994
25K
15.53 mi12:35:232:05:528:0619:43
8:08
#13433
30K
18.64 mi13:01:302:31:598:0926:07
8:24
#12677
20M
20.00 mi13:13:032:43:328:1111:33
8:30
#12379
21M
21.00 mi13:21:532:52:228:128:50
8:50
#12044
35K
21.75 mi13:27:582:58:278:126:05
8:08
#11892
23M
23.00 mi13:38:283:08:578:1310:30
8:23
#11561
24M
24.00 mi13:46:273:16:568:127:59
7:59
#11274
40K
24.85 mi13:53:173:23:468:126:50
8:00
#10996
25.2M
25.20 mi13:56:203:26:498:123:03
8:51
#10878
Finish
26.22 mi14:03:533:34:228:117:33
7:25
#10615
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi174596439643912791(Top 50%)3677(Top 34%)3677(Top 210%)
10K6.21 mi3.10 mi15826+16335424+10155424+101514066(Top 55%)4381(Top 40%)4381(Top 250%)
15K9.32 mi3.11 mi14798+10284820+6044820+60412791(Top 50%)3677(Top 34%)3677(Top 210%)
20K12.43 mi3.11 mi14085+7134413+4074413+40712395(Top 49%)3527(Top 32%)3527(Top 201%)
Half13.11 mi0.68 mi13994+914361+524361+5212527(Top 49%)3604(Top 33%)3604(Top 206%)
25K15.53 mi2.42 mi13433+5614053+3084053+30810988(Top 43%)2957(Top 27%)2957(Top 169%)
30K18.64 mi3.11 mi12677+7563721+3323721+33210169(Top 40%)2787(Top 26%)2787(Top 159%)
20M20.00 mi1.36 mi12379+2983610+1113610+1119459(Top 37%)2682(Top 25%)2682(Top 153%)
21M21.00 mi1.00 mi12044+3353490+1203490+1207802(Top 31%)2090(Top 19%)2090(Top 119%)
35K21.75 mi0.75 mi11892+1523435+553435+558618(Top 34%)2521(Top 23%)2521(Top 144%)
23M23.00 mi1.25 mi11561+3313332+1033332+1037859(Top 31%)2331(Top 21%)2331(Top 133%)
24M24.00 mi1.00 mi11274+2873230+1023230+1026589(Top 26%)1813(Top 17%)1813(Top 103%)
40K24.85 mi0.85 mi10996+2783125+1053125+1055806(Top 23%)1586(Top 15%)1586(Top 90%)
25.2M25.20 mi0.35 mi10878+1183093+323093+325929(Top 23%)1704(Top 16%)1704(Top 97%)
Finish26.22 mi1.02 mi10615+2632998+952998+955158(Top 20%)1269(Top 12%)1269(Top 72%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

12791

Females

3677

F45-49

3677

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14066

Females

4381

F45-49

4381

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

12791

Females

3677

F45-49

3677

15K→20K

9.3 - 12.4 mi

Top 49%
×5story building
+106ft-86ft

Overall

12395

Females

3527

F45-49

3527

20K→Half

12.4 - 13.1 mi

Top 49%
×2story building
+19ft-37ft

Overall

12527

Females

3604

F45-49

3604

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

10988

Females

2957

F45-49

2957

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10169

Females

2787

F45-49

2787

30K→20M

18.6 - 20.0 mi

Top 37%
×5story building
+64ft-50ft

Overall

9459

Females

2682

F45-49

2682

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

7802

Females

2090

F45-49

2090

21M→35K

21.0 - 21.8 mi

Top 34%
×7story building
+17ft-86ft

Overall

8618

Females

2521

F45-49

2521

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

7859

Females

2331

F45-49

2331

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

6589

Females

1813

F45-49

1813

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

5806

Females

1586

F45-49

1586

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5929

Females

1704

F45-49

1704

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5158

Females

1269

F45-49

1269

Passing Analysis

Category:
Athletes Passed
6964
Passed By
120
Net Change
+6844
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17459
5K → 10K164613+1633#17459#15826
10K → 15K10357+1028#15826#14798
15K → 20K72411+713#14798#14085
20K → Half1009+91#14085#13994
Half → 25K5698+561#13994#13433
25K → 30K77923+756#13433#12677
30K → 20M3057+298#12677#12379
20M → 21M34813+335#12379#12044
21M → 35K1586+152#12044#11892
35K → 23M34413+331#11892#11561
23M → 24M2936+287#11561#11274
24M → 40K2802+278#11274#10996
40K → 25.2M1202+118#10996#10878
25.2M → Finish2630+263#10878#10615
TOTALS6964120+6844
📊

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