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BOSTON MARATHON 2024

Laura Schim Van Der Loeff

Bib: 8833•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 40%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:12
Rank: #13019
Start → 5K
24:12 | 7:47/mi
10K· 6.21 mi
48:25
Rank: #12817 (+202)
5K → 10K
24:13 | 7:48/mi
15K· 9.32 mi
1:13:02
Rank: #12811 (+6)
10K → 15K
24:37 | 7:55/mi
20K· 12.43 mi
1:38:08
Rank: #12630 (+181)
15K → 20K
25:06 | 8:05/mi
Half· 13.11 mi
1:43:34
Rank: #12596 (+34)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:03:12
Rank: #12216 (+380)
Half → 25K
19:38 | 8:06/mi
30K· 18.64 mi
2:29:09
Rank: #11670 (+546)
25K → 30K
25:57 | 8:21/mi
20M
2:40:40
Rank: #11441 (+229)
30K → 20M
11:31 | 8:28/mi
21M
2:49:22
Rank: #11072 (+369)
20M → 21M
8:42 | 8:42/mi
35K· 21.75 mi
2:55:26
Rank: #10911 (+161)
21M → 35K
6:04 | 8:07/mi
23M
3:05:56
Rank: #10673 (+238)
35K → 23M
10:30 | 8:23/mi
24M
3:14:14
Rank: #10524 (+149)
23M → 24M
8:18 | 8:18/mi
40K· 24.85 mi
3:21:18
Rank: #10353 (+171)
24M → 40K
7:04 | 8:16/mi
25.2M
3:24:23
Rank: #10261 (+92)
40K → 25.2M
3:05 | 8:56/mi
Finish· 26.22 mi
3:32:18
Rank: #10108 (+153)
25.2M → Finish
7:55 | 7:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:48:44
Pace8:18 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4224:127:4724:12
7:47
-
10K
6.21 mi11:38:5548:257:4824:13
7:48
+0:01
15K
9.32 mi12:03:321:13:027:5024:37
7:55
+0:07
20K
12.43 mi12:28:381:38:087:5425:06
8:05
+0:10
Half
13.11 mi12:34:041:43:347:545:26
7:58
-0:07
25K
15.53 mi12:53:422:03:127:5619:38
8:06
+0:08
30K
18.64 mi13:19:392:29:098:0025:57
8:21
+0:15
20M
20.00 mi13:31:102:40:408:0211:31
8:28
+0:07
21M
21.00 mi13:39:522:49:228:048:42
8:42
+0:14
35K
21.75 mi13:45:562:55:268:046:04
8:07
-0:35
23M
23.00 mi13:56:263:05:568:0510:30
8:23
+0:16
24M
24.00 mi14:04:443:14:148:068:18
8:18
-0:05
40K
24.85 mi14:11:483:21:188:067:04
8:16
-0:02
25.2M
25.20 mi14:14:533:24:238:073:05
8:56
+0:40
Finish
26.22 mi14:22:483:32:188:067:55
7:46
-1:10

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

7:46 /mi

Average Pace

8:06 /mi

Slowest Pace

8:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:31

94% of race

Time at Steady Pace

11:47

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:14:4224:127:4724:12
7:47
#13019
10K
6.21 mi11:38:5548:257:4824:13
7:48
#12817
15K
9.32 mi12:03:321:13:027:5024:37
7:55
#12811
20K
12.43 mi12:28:381:38:087:5425:06
8:05
#12630
Half
13.11 mi12:34:041:43:347:545:26
7:58
#12596
25K
15.53 mi12:53:422:03:127:5619:38
8:06
#12216
30K
18.64 mi13:19:392:29:098:0025:57
8:21
#11670
20M
20.00 mi13:31:102:40:408:0211:31
8:28
#11441
21M
21.00 mi13:39:522:49:228:048:42
8:42
#11072
35K
21.75 mi13:45:562:55:268:046:04
8:07
#10911
23M
23.00 mi13:56:263:05:568:0510:30
8:23
#10673
24M
24.00 mi14:04:443:14:148:068:18
8:18
#10524
40K
24.85 mi14:11:483:21:188:067:04
8:16
#10353
25.2M
25.20 mi14:14:533:24:238:073:05
8:56
#10261
Finish
26.22 mi14:22:483:32:188:067:55
7:46
#10108
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi130193733373312864(Top 50%)3724(Top 34%)3724(Top 80%)
10K6.21 mi3.10 mi12817+2023632+1013632+10112607(Top 49%)3537(Top 32%)3537(Top 76%)
15K9.32 mi3.11 mi12811+63644-123644-1212864(Top 50%)3724(Top 34%)3724(Top 80%)
20K12.43 mi3.11 mi12630+1813557+873557+8712393(Top 49%)3525(Top 32%)3525(Top 76%)
Half13.11 mi0.68 mi12596+343554+33554+312514(Top 49%)3591(Top 33%)3591(Top 77%)
25K15.53 mi2.42 mi12216+3803386+1683386+16810800(Top 42%)2867(Top 26%)2867(Top 62%)
30K18.64 mi3.11 mi11670+5463177+2093177+2099858(Top 39%)2639(Top 24%)2639(Top 57%)
20M20.00 mi1.36 mi11441+2293098+793098+799317(Top 36%)2614(Top 24%)2614(Top 56%)
21M21.00 mi1.00 mi11072+3692967+1312967+1317177(Top 28%)1804(Top 17%)1804(Top 39%)
35K21.75 mi0.75 mi10911+1612929+382929+388497(Top 33%)2463(Top 23%)2463(Top 53%)
23M23.00 mi1.25 mi10673+2382868+612868+617856(Top 31%)2328(Top 21%)2328(Top 50%)
24M24.00 mi1.00 mi10524+1492837+312837+318321(Top 33%)2641(Top 24%)2641(Top 57%)
40K24.85 mi0.85 mi10353+1712792+452792+457187(Top 28%)2217(Top 20%)2217(Top 48%)
25.2M25.20 mi0.35 mi10261+922767+252767+256364(Top 25%)1895(Top 17%)1895(Top 41%)
Finish26.22 mi1.02 mi10108+1532723+442723+447193(Top 28%)2208(Top 20%)2208(Top 47%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21stories
+97ft-345ft

Overall

12864

Females

3724

F18-39

3724

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

12607

Females

3537

F18-39

3537

10K→15K

6.2 - 9.3 mi

Top 50%
×3stories
+67ft-78ft

Overall

12864

Females

3724

F18-39

3724

15K→20K

9.3 - 12.4 mi

Top 49%
×5stories
+106ft-86ft

Overall

12393

Females

3525

F18-39

3525

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

12514

Females

3591

F18-39

3591

Half→25K

13.1 - 15.5 mi

Top 42%
×4stories
+66ft-88ft

Overall

10800

Females

2867

F18-39

2867

25K→30K

15.5 - 18.6 mi

Top 39%
×9stories
+181ft-148ft

Overall

9858

Females

2639

F18-39

2639

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

9317

Females

2614

F18-39

2614

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7177

Females

1804

F18-39

1804

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8497

Females

2463

F18-39

2463

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

7856

Females

2328

F18-39

2328

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

8321

Females

2641

F18-39

2641

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7187

Females

2217

F18-39

2217

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6364

Females

1895

F18-39

1895

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7193

Females

2208

F18-39

2208

Passing Analysis

Category:
Athletes Passed
3759*
Passed By
848
Net Change
+2911
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13019
5K → 10K394192+202#13019#12817
10K → 15K221215+6#12817#12811
15K → 20K338157+181#12811#12630
20K → Half6026+34#12630#12596
Half → 25K44262+380#12596#12216
25K → 30K60458+546#12216#11670
30K → 20M26536+229#11670#11441
20M → 21M3756+369#11441#11072
21M → 35K17413+161#11072#10911
35K → 23M26123+238#10911#10673
23M → 24M18536+149#10673#10524
24M → 40K182*11+171#10524#10353
40K → 25.2M975+92#10353#10261
25.2M → Finish1618+153#10261#10108
TOTALS3759*848+2911

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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