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BOSTON MARATHON 2024

Karlijn Stalenhoef

Bib: 14555•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 48%
Gender (Female)
#0 / 10924
Top 36%
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
7:23/mi
22:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:24
↑ 79↓ 1380.4%
15K· 9.32 mi
7:42/mi
1:10:20
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:35:39
↑ 106↓ 860.1%
Half· 13.11 mi
7:45/mi
1:40:56
↑ 19↓ 370.5%
25K· 15.53 mi
8:09/mi
2:00:41
↑ 66↓ 880.2%
30K· 18.64 mi
8:45/mi
2:27:53
↑ 181↓ 1480.2%
20M
9:33/mi
2:40:52
↑ 64↓ 500.2%
21M
11:12/mi
2:52:04
↑ 106↓ 241.6%
35K· 21.75 mi
8:55/mi
2:58:44
↑ 17↓ 861.7%
23M
9:59/mi
3:11:14
↑ 23↓ 630.6%
24M
9:25/mi
3:20:39
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:29:01
↓ 200.3%
25.2M
11:21/mi
3:32:56
↑ 13↓ 160.2%
Finish· 26.22 mi
8:31/mi
3:41:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:56
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time2:00:41
Pace9:12 /mi
📊Positive Split: 19.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0822:577:2322:57
7:23
-
10K
6.21 mi11:17:3546:247:2823:27
7:33
+0:10
15K
9.32 mi11:41:311:10:207:3323:56
7:42
+0:09
20K
12.43 mi12:06:501:35:397:4225:19
8:09
+0:27
Half
13.11 mi12:12:071:40:567:425:17
7:45
-0:24
25K
15.53 mi12:31:522:00:417:4619:45
8:09
+0:24
30K
18.64 mi12:59:042:27:537:5627:12
8:45
+0:36
20M
20.00 mi13:12:032:40:528:0312:59
9:33
+0:48
21M
21.00 mi13:23:152:52:048:1211:12
11:12
+1:39
35K
21.75 mi13:29:552:58:448:136:40
8:55
-2:17
23M
23.00 mi13:42:253:11:148:1912:30
9:59
+1:04
24M
24.00 mi13:51:503:20:398:229:25
9:25
-0:34
40K
24.85 mi14:00:123:29:018:258:22
9:47
+0:22
25.2M
25.20 mi14:04:073:32:568:273:55
11:21
+1:34
Finish
26.22 mi14:12:483:41:378:288:41
8:31
-2:50

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

7:23 /mi

Average Pace

8:28 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:37

34% of race

Time at Steady Pace

1:27:37

40% of race

Time at Slower Pace

58:23

26% of race

Average Pace: 8:27 /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 mi10:54:0822:577:2322:57
7:23
#9842
10K
6.21 mi11:17:3546:247:2823:27
7:33
#10215
15K
9.32 mi11:41:311:10:207:3323:56
7:42
#10551
20K
12.43 mi12:06:501:35:397:4225:19
8:09
#11137
Half
13.11 mi12:12:071:40:567:425:17
7:45
#11121
25K
15.53 mi12:31:522:00:417:4619:45
8:09
#11074
30K
18.64 mi12:59:042:27:537:5627:12
8:45
#11193
20M
20.00 mi13:12:032:40:528:0312:59
9:33
#11508
21M
21.00 mi13:23:152:52:048:1211:12
11:12
#11958
35K
21.75 mi13:29:552:58:448:136:40
8:55
#11970
23M
23.00 mi13:42:253:11:148:1912:30
9:59
#12196
24M
24.00 mi13:51:503:20:398:229:25
9:25
#12250
40K
24.85 mi14:00:123:29:018:258:22
9:47
#12323
25.2M
25.20 mi14:04:073:32:568:273:55
11:21
#12384
Finish
26.22 mi14:12:483:41:378:288:41
8:31
#12355
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi98421957195711233(Top 44%)2811(Top 26%)2811(Top 60%)
10K6.21 mi3.10 mi10215-3732163-2062163-20610690(Top 42%)2475(Top 23%)2475(Top 53%)
15K9.32 mi3.11 mi10551-3362383-2202383-22011233(Top 44%)2811(Top 26%)2811(Top 60%)
20K12.43 mi3.11 mi11137-5862737-3542737-35412836(Top 50%)3759(Top 34%)3759(Top 81%)
Half13.11 mi0.68 mi11121+162737273711001(Top 43%)2821(Top 26%)2821(Top 61%)
25K15.53 mi2.42 mi11074+472763-262763-2611073(Top 43%)3004(Top 27%)3004(Top 64%)
30K18.64 mi3.11 mi11193-1192925-1622925-16211981(Top 47%)3730(Top 34%)3730(Top 80%)
20M20.00 mi1.36 mi11508-3153139-2143139-21414752(Top 58%)5528(Top 51%)5528(Top 119%)
21M21.00 mi1.00 mi11958-4503442-3033442-30316869(Top 66%)6780(Top 62%)6780(Top 145%)
35K21.75 mi0.75 mi11970-123483-413483-4112885(Top 50%)4742(Top 43%)4742(Top 102%)
23M23.00 mi1.25 mi12196-2263682-1993682-19915408(Top 60%)6117(Top 56%)6117(Top 131%)
24M24.00 mi1.00 mi12250-543763-813763-8114129(Top 55%)5498(Top 50%)5498(Top 118%)
40K24.85 mi0.85 mi12323-733851-883851-8814218(Top 56%)5627(Top 52%)5627(Top 121%)
25.2M25.20 mi0.35 mi12384-613899-483899-4815648(Top 61%)6349(Top 58%)6349(Top 136%)
Finish26.22 mi1.02 mi12355+293926-273926-2711644(Top 46%)4295(Top 39%)4295(Top 92%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21story building
+97ft-345ft

Overall

11233

Females

2811

F18-39

2811

5K→10K

3.1 - 6.2 mi

Top 42%
×5story building
+79ft-138ft

Overall

10690

Females

2475

F18-39

2475

10K→15K

6.2 - 9.3 mi

Top 44%
×3story building
+67ft-78ft

Overall

11233

Females

2811

F18-39

2811

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

12836

Females

3759

F18-39

3759

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11001

Females

2821

F18-39

2821

Half→25K

13.1 - 15.5 mi

Top 43%
×4story building
+66ft-88ft

Overall

11073

Females

3004

F18-39

3004

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

11981

Females

3730

F18-39

3730

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

14752

Females

5528

F18-39

5528

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

16869

Females

6780

F18-39

6780

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12885

Females

4742

F18-39

4742

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

15408

Females

6117

F18-39

6117

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14129

Females

5498

F18-39

5498

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14218

Females

5627

F18-39

5627

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15648

Females

6349

F18-39

6349

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

11644

Females

4295

F18-39

4295

Passing Analysis

Category:
Athletes Passed
1407
Passed By
3919
Net Change
-2513
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9842
5K → 10K141513-373#9842#10215
10K → 15K109445-336#10215#10551
15K → 20K91677-586#10551#11137
20K → Half4731+16#11137#11121
Half → 25K237190+47#11121#11074
25K → 30K252371-119#11074#11193
30K → 20M67382-315#11193#11508
20M → 21M51501-450#11508#11958
21M → 35K7082-12#11958#11970
35K → 23M76302-226#11970#12196
23M → 24M88142-54#12196#12250
24M → 40K69142-73#12250#12323
40K → 25.2M2485-61#12323#12384
25.2M → Finish8556+29#12384#12355
TOTALS14073919-2513
📊

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