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BOSTON MARATHON 2024

Lea Guldemond

Bib: 25942•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

Start
0:00:00
Race begins
5K· 3.11 mi
29:24
Rank: #21625
Start → 5K
9:28/mi
29:24 split
10K· 6.21 mi
58:53
Rank: #21477 (+148)
5K → 10K
9:29/mi
29:29 split
15K· 9.32 mi
1:28:33
Rank: #21227 (+250)
10K → 15K
9:33/mi
29:40 split
20K· 12.43 mi
1:58:58
Rank: #20879 (+348)
15K → 20K
9:47/mi
30:25 split
Half· 13.11 mi
2:05:36
Rank: #20857 (+22)
20K → Half
9:43/mi
6:38 split
25K· 15.53 mi
2:30:03
Rank: #20588 (+269)
Half → 25K
10:05/mi
24:27 split
30K· 18.64 mi
3:01:58
Rank: #20128 (+460)
25K → 30K
10:16/mi
31:55 split
20M
3:16:08
Rank: #19945 (+183)
30K → 20M
10:25/mi
14:10 split
21M
3:27:06
Rank: #19710 (+235)
20M → 21M
10:58/mi
10:58 split
35K· 21.75 mi
3:34:58
Rank: #19641 (+69)
21M → 35K
10:31/mi
7:52 split
23M
3:48:04
Rank: #19486 (+155)
35K → 23M
10:28/mi
13:06 split
24M
3:58:33
Rank: #19390 (+96)
23M → 24M
10:29/mi
10:29 split
40K· 24.85 mi
4:07:32
Rank: #19279 (+111)
24M → 40K
10:30/mi
8:59 split
25.2M
4:11:27
Rank: #19213 (+66)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
4:20:42
Rank: #19051 (+162)
25.2M → Finish
9:05/mi
9:15 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:36
Pace9:35 /mi
2nd Half
Distance13.11 mi
Time2:15:06
Pace10:18 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:4829:249:2829:24
9:28
-
10K
6.21 mi12:21:1758:539:2929:29
9:29
+0:01
15K
9.32 mi12:50:571:28:339:3029:40
9:33
+0:04
20K
12.43 mi13:21:221:58:589:3430:25
9:47
+0:14
Half
13.11 mi13:28:002:05:369:356:38
9:43
-0:04
25K
15.53 mi13:52:272:30:039:4024:27
10:05
+0:22
30K
18.64 mi14:24:223:01:589:4631:55
10:16
+0:11
20M
20.00 mi14:38:323:16:089:4814:10
10:25
+0:09
21M
21.00 mi14:49:303:27:069:5210:58
10:58
+0:33
35K
21.75 mi14:57:223:34:589:537:52
10:31
-0:27
23M
23.00 mi15:10:283:48:049:5513:06
10:28
-0:03
24M
24.00 mi15:20:573:58:339:5610:29
10:29
+0:01
40K
24.85 mi15:29:564:07:329:588:59
10:30
+0:01
25.2M
25.20 mi15:33:514:11:279:593:55
11:21
+0:51
Finish
26.22 mi15:43:064:20:429:579:15
9:05
-2:16

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

9:05 /mi

Average Pace

9:57 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:14:51

52% of race

Time at Steady Pace

1:50:58

43% of race

Time at Slower Pace

14:53

6% of race

Average Pace: 9:57 /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 mi11:51:4829:249:2829:24
9:28
#21625
10K
6.21 mi12:21:1758:539:2929:29
9:29
#21477
15K
9.32 mi12:50:571:28:339:3029:40
9:33
#21227
20K
12.43 mi13:21:221:58:589:3430:25
9:47
#20879
Half
13.11 mi13:28:002:05:369:356:38
9:43
#20857
25K
15.53 mi13:52:272:30:039:4024:27
10:05
#20588
30K
18.64 mi14:24:223:01:589:4631:55
10:16
#20128
20M
20.00 mi14:38:323:16:089:4814:10
10:25
#19945
21M
21.00 mi14:49:303:27:069:5210:58
10:58
#19710
35K
21.75 mi14:57:223:34:589:537:52
10:31
#19641
23M
23.00 mi15:10:283:48:049:5513:06
10:28
#19486
24M
24.00 mi15:20:573:58:339:5610:29
10:29
#19390
40K
24.85 mi15:29:564:07:329:588:59
10:30
#19279
25.2M
25.20 mi15:33:514:11:279:593:55
11:21
#19213
Finish
26.22 mi15:43:064:20:429:579:15
9:05
#19051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216258725872520814(Top 81%)8228(Top 75%)8228(Top 177%)
10K6.21 mi3.10 mi21477+1488633+928633+9221333(Top 83%)8556(Top 78%)8556(Top 184%)
15K9.32 mi3.11 mi21227+2508487+1468487+14620814(Top 81%)8228(Top 75%)8228(Top 177%)
20K12.43 mi3.11 mi20879+3488294+1938294+19320033(Top 78%)7828(Top 72%)7828(Top 168%)
Half13.11 mi0.68 mi20857+228281+138281+1320730(Top 81%)8255(Top 76%)8255(Top 177%)
25K15.53 mi2.42 mi20588+2698159+1228159+12219340(Top 76%)7560(Top 69%)7560(Top 162%)
30K18.64 mi3.11 mi20128+4607964+1957964+19518180(Top 71%)7139(Top 65%)7139(Top 153%)
20M20.00 mi1.36 mi19945+1837895+697895+6917788(Top 70%)7103(Top 65%)7103(Top 152%)
21M21.00 mi1.00 mi19710+2357794+1017794+10116268(Top 64%)6471(Top 59%)6471(Top 139%)
35K21.75 mi0.75 mi19641+697786+87786+818631(Top 73%)7648(Top 70%)7648(Top 164%)
23M23.00 mi1.25 mi19486+1557727+597727+5916970(Top 66%)6903(Top 63%)6903(Top 148%)
24M24.00 mi1.00 mi19390+967693+347693+3417808(Top 70%)7372(Top 67%)7372(Top 158%)
40K24.85 mi0.85 mi19279+1117647+467647+4616735(Top 65%)6888(Top 63%)6888(Top 148%)
25.2M25.20 mi0.35 mi19213+667621+267621+2615701(Top 61%)6402(Top 59%)6402(Top 137%)
Finish26.22 mi1.02 mi19051+1627552+697552+6914629(Top 57%)5799(Top 53%)5799(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

20814

Females

8228

F18-39

8228

5K→10K

3.1 - 6.2 mi

Top 83%
×5stories
+79ft-138ft

Overall

21333

Females

8556

F18-39

8556

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

20814

Females

8228

F18-39

8228

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

20033

Females

7828

F18-39

7828

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

20730

Females

8255

F18-39

8255

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

19340

Females

7560

F18-39

7560

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18180

Females

7139

F18-39

7139

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

17788

Females

7103

F18-39

7103

20M→21M

20.0 - 21.0 mi

Top 64%
×8stories
+106ft-24ft

Overall

16268

Females

6471

F18-39

6471

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

18631

Females

7648

F18-39

7648

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

16970

Females

6903

F18-39

6903

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

17808

Females

7372

F18-39

7372

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

16735

Females

6888

F18-39

6888

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

15701

Females

6402

F18-39

6402

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2stories
+22ft-21ft

Overall

14629

Females

5799

F18-39

5799

Passing Analysis

Category:
Athletes Passed
3014
Passed By
440
Net Change
+2574
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21625
5K → 10K316168+148#21625#21477
10K → 15K30858+250#21477#21227
15K → 20K39749+348#21227#20879
20K → Half4321+22#20879#20857
Half → 25K30839+269#20857#20588
25K → 30K47313+460#20588#20128
30K → 20M1918+183#20128#19945
20M → 21M2383+235#19945#19710
21M → 35K10132+69#19710#19641
35K → 23M16914+155#19641#19486
23M → 24M11721+96#19486#19390
24M → 40K1198+111#19390#19279
40K → 25.2M693+66#19279#19213
25.2M → Finish1653+162#19213#19051
TOTALS3014440+2574
📊

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