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BOSTON MARATHON 2024

Marlena Carretero De Jong

Bib: 27706•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F45-49)
#0 / 1753
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:55
Rank: #21141
Start → 5K
9:18/mi
28:55 split
10K· 6.21 mi
57:51
Rank: #21013 (+128)
5K → 10K
9:19/mi
28:56 split
15K· 9.32 mi
1:27:30
Rank: #20902 (+111)
10K → 15K
9:33/mi
29:39 split
20K· 12.43 mi
1:58:23
Rank: #20766 (+136)
15K → 20K
9:56/mi
30:53 split
Half· 13.11 mi
2:04:53
Rank: #20733 (+33)
20K → Half
9:32/mi
6:30 split
25K· 15.53 mi
2:29:32
Rank: #20493 (+240)
Half → 25K
10:10/mi
24:39 split
30K· 18.64 mi
3:02:52
Rank: #20263 (+230)
25K → 30K
10:44/mi
33:20 split
20M
3:16:50
Rank: #20045 (+218)
30K → 20M
10:17/mi
13:58 split
21M
3:28:06
Rank: #19846 (+199)
20M → 21M
11:16/mi
11:16 split
35K· 21.75 mi
3:36:17
Rank: #19835 (+11)
21M → 35K
10:56/mi
8:11 split
23M
3:49:57
Rank: #19724 (+111)
35K → 23M
10:55/mi
13:40 split
24M
4:02:42
Rank: #19896 (-172)
23M → 24M
12:45/mi
12:45 split
40K· 24.85 mi
4:12:42
Rank: #19895 (+1)
24M → 40K
11:42/mi
10:00 split
25.2M
4:17:32
Rank: #19927 (-32)
40K → 25.2M
14:01/mi
4:50 split
Finish· 26.22 mi
4:28:21
Rank: #19928 (-1)
25.2M → Finish
10:37/mi
10:49 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:53
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:23:28
Pace10:57 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:0428:559:1828:55
9:18
-
10K
6.21 mi12:17:0057:519:1928:56
9:19
+0:01
15K
9.32 mi12:46:391:27:309:2329:39
9:33
+0:14
20K
12.43 mi13:17:321:58:239:3230:53
9:56
+0:23
Half
13.11 mi13:24:022:04:539:326:30
9:32
-0:24
25K
15.53 mi13:48:412:29:329:3824:39
10:10
+0:38
30K
18.64 mi14:22:013:02:529:4933:20
10:44
+0:34
20M
20.00 mi14:35:593:16:509:5013:58
10:17
-0:27
21M
21.00 mi14:47:153:28:069:5511:16
11:16
+0:59
35K
21.75 mi14:55:263:36:179:578:11
10:56
-0:20
23M
23.00 mi15:09:063:49:5710:0013:40
10:55
-0:01
24M
24.00 mi15:21:514:02:4210:0712:45
12:45
+1:50
40K
24.85 mi15:31:514:12:4210:1010:00
11:42
-1:03
25.2M
25.20 mi15:36:414:17:3210:134:50
14:01
+2:19
Finish
26.22 mi15:47:304:28:2110:1510:49
10:37
-3:24

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

9:18 /mi

Average Pace

10:15 /mi

Slowest Pace

14:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:53

47% of race

Time at Steady Pace

1:44:37

39% of race

Time at Slower Pace

38:51

14% of race

Average Pace: 10:14 /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 mi11:48:0428:559:1828:55
9:18
#21141
10K
6.21 mi12:17:0057:519:1928:56
9:19
#21013
15K
9.32 mi12:46:391:27:309:2329:39
9:33
#20902
20K
12.43 mi13:17:321:58:239:3230:53
9:56
#20766
Half
13.11 mi13:24:022:04:539:326:30
9:32
#20733
25K
15.53 mi13:48:412:29:329:3824:39
10:10
#20493
30K
18.64 mi14:22:013:02:529:4933:20
10:44
#20263
20M
20.00 mi14:35:593:16:509:5013:58
10:17
#20045
21M
21.00 mi14:47:153:28:069:5511:16
11:16
#19846
35K
21.75 mi14:55:263:36:179:578:11
10:56
#19835
23M
23.00 mi15:09:063:49:5710:0013:40
10:55
#19724
24M
24.00 mi15:21:514:02:4210:0712:45
12:45
#19896
40K
24.85 mi15:31:514:12:4210:1010:00
11:42
#19895
25.2M
25.20 mi15:36:414:17:3210:134:50
14:01
#19927
Finish
26.22 mi15:47:304:28:2110:1510:49
10:37
#19928
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi211418473847320799(Top 81%)8220(Top 75%)8220(Top 469%)
10K6.21 mi3.10 mi21013+1288395+788395+7820829(Top 82%)8268(Top 76%)8268(Top 472%)
15K9.32 mi3.11 mi20902+1118312+838312+8320799(Top 81%)8220(Top 75%)8220(Top 469%)
20K12.43 mi3.11 mi20766+1368230+828230+8220436(Top 80%)8054(Top 74%)8054(Top 459%)
Half13.11 mi0.68 mi20733+338217+138217+1320177(Top 79%)7979(Top 73%)7979(Top 455%)
25K15.53 mi2.42 mi20493+2408108+1098108+10919564(Top 77%)7682(Top 70%)7682(Top 438%)
30K18.64 mi3.11 mi20263+2308036+728036+7219358(Top 76%)7768(Top 71%)7768(Top 443%)
20M20.00 mi1.36 mi20045+2187948+887948+8817356(Top 68%)6903(Top 63%)6903(Top 394%)
21M21.00 mi1.00 mi19846+1997864+847864+8417069(Top 67%)6895(Top 63%)6895(Top 393%)
35K21.75 mi0.75 mi19835+117878-147878-1419694(Top 77%)8182(Top 75%)8182(Top 467%)
23M23.00 mi1.25 mi19724+1117856+227856+2218200(Top 71%)7508(Top 69%)7508(Top 428%)
24M24.00 mi1.00 mi19896-1727945-897945-8922701(Top 89%)9755(Top 89%)9755(Top 556%)
40K24.85 mi0.85 mi19895+17966-217966-2119791(Top 77%)8394(Top 77%)8394(Top 479%)
25.2M25.20 mi0.35 mi19927-327994-287994-2821624(Top 85%)9280(Top 85%)9280(Top 529%)
Finish26.22 mi1.02 mi19928-18013-198013-1920341(Top 80%)8647(Top 79%)8647(Top 493%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

20799

Females

8220

F45-49

8220

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

20829

Females

8268

F45-49

8268

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

20799

Females

8220

F45-49

8220

15K→20K

9.3 - 12.4 mi

Top 80%
×5story building
+106ft-86ft

Overall

20436

Females

8054

F45-49

8054

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

20177

Females

7979

F45-49

7979

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

19564

Females

7682

F45-49

7682

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

19358

Females

7768

F45-49

7768

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

17356

Females

6903

F45-49

6903

20M→21M

20.0 - 21.0 mi

Top 67%
×8story building
+106ft-24ft

Overall

17069

Females

6895

F45-49

6895

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

19694

Females

8182

F45-49

8182

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18200

Females

7508

F45-49

7508

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

22701

Females

9755

F45-49

9755

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

19791

Females

8394

F45-49

8394

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

21624

Females

9280

F45-49

9280

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20341

Females

8647

F45-49

8647

Passing Analysis

Category:
Athletes Passed
2265
Passed By
1052
Net Change
+1213
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21141
5K → 10K317189+128#21141#21013
10K → 15K246135+111#21013#20902
15K → 20K248112+136#20902#20766
20K → Half5118+33#20766#20733
Half → 25K28444+240#20733#20493
25K → 30K29969+230#20493#20263
30K → 20M22810+218#20263#20045
20M → 21M2078+199#20045#19846
21M → 35K5645+11#19846#19835
35K → 23M14635+111#19835#19724
23M → 24M33205-172#19724#19896
24M → 40K6463+1#19896#19895
40K → 25.2M2658-32#19895#19927
25.2M → Finish6061-1#19927#19928
TOTALS22651052+1213
📊

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