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BOSTON MARATHON 2024

Louisa Williams

Bib: 18174•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Masters (Masters Women)
#0 / 6263
Top 10%
Division (F40-44)
#0 / 1613
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:20
Rank: #10860
Start → 5K
7:31/mi
23:20 split
10K· 6.21 mi
46:51
Rank: #10825 (+35)
5K → 10K
7:34/mi
23:31 split
15K· 9.32 mi
1:10:38
Rank: #10802 (+23)
10K → 15K
7:39/mi
23:47 split
20K· 12.43 mi
1:35:30
Rank: #11056 (-254)
15K → 20K
8:00/mi
24:52 split
Half· 13.11 mi
1:40:50
Rank: #11065 (-9)
20K → Half
7:49/mi
5:20 split
25K· 15.53 mi
2:00:07
Rank: #10783 (+282)
Half → 25K
7:57/mi
19:17 split
30K· 18.64 mi
2:26:00
Rank: #10481 (+302)
25K → 30K
8:20/mi
25:53 split
20M
2:37:26
Rank: #10309 (+172)
30K → 20M
8:25/mi
11:26 split
21M
2:46:29
Rank: #10136 (+173)
20M → 21M
9:03/mi
9:03 split
35K· 21.75 mi
2:52:25
Rank: #9990 (+146)
21M → 35K
7:56/mi
5:56 split
23M
3:02:43
Rank: #9738 (+252)
35K → 23M
8:14/mi
10:18 split
24M
3:10:30
Rank: #9482 (+256)
23M → 24M
7:47/mi
7:47 split
40K· 24.85 mi
3:17:26
Rank: #9312 (+170)
24M → 40K
8:07/mi
6:56 split
25.2M
3:20:31
Rank: #9234 (+78)
40K → 25.2M
8:56/mi
3:05 split
Finish· 26.22 mi
3:28:30
Rank: #9134 (+100)
25.2M → Finish
7:50/mi
7:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:50
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:47:40
Pace8:13 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0123:207:3123:20
7:31
-
10K
6.21 mi11:38:3246:517:3223:31
7:34
+0:03
15K
9.32 mi12:02:191:10:387:3523:47
7:39
+0:05
20K
12.43 mi12:27:111:35:307:4124:52
8:00
+0:21
Half
13.11 mi12:32:311:40:507:415:20
7:49
-0:11
25K
15.53 mi12:51:482:00:077:4419:17
7:57
+0:08
30K
18.64 mi13:17:412:26:007:5025:53
8:20
+0:23
20M
20.00 mi13:29:072:37:267:5211:26
8:25
+0:05
21M
21.00 mi13:38:102:46:297:569:03
9:03
+0:38
35K
21.75 mi13:44:062:52:257:565:56
7:56
-1:07
23M
23.00 mi13:54:243:02:437:5710:18
8:14
+0:18
24M
24.00 mi14:02:113:10:307:567:47
7:47
-0:27
40K
24.85 mi14:09:073:17:267:576:56
8:07
+0:20
25.2M
25.20 mi14:12:123:20:317:573:05
8:56
+0:49
Finish
26.22 mi14:20:113:28:307:577:59
7:50
-1:06

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

7:31 /mi

Average Pace

7:57 /mi

Slowest Pace

9:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:10:38

34% of race

Time at Steady Pace

1:18:07

37% of race

Time at Slower Pace

59:45

29% of race

Average Pace: 7:57 /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 mi11:15:0123:207:3123:20
7:31
#10860
10K
6.21 mi11:38:3246:517:3223:31
7:34
#10825
15K
9.32 mi12:02:191:10:387:3523:47
7:39
#10802
20K
12.43 mi12:27:111:35:307:4124:52
8:00
#11056
Half
13.11 mi12:32:311:40:507:415:20
7:49
#11065
25K
15.53 mi12:51:482:00:077:4419:17
7:57
#10783
30K
18.64 mi13:17:412:26:007:5025:53
8:20
#10481
20M
20.00 mi13:29:072:37:267:5211:26
8:25
#10309
21M
21.00 mi13:38:102:46:297:569:03
9:03
#10136
35K
21.75 mi13:44:062:52:257:565:56
7:56
#9990
23M
23.00 mi13:54:243:02:437:5710:18
8:14
#9738
24M
24.00 mi14:02:113:10:307:567:47
7:47
#9482
40K
24.85 mi14:09:073:17:267:576:56
8:07
#9312
25.2M
25.20 mi14:12:123:20:317:573:05
8:56
#9234
Finish
26.22 mi14:20:113:28:307:577:59
7:50
#9134
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi108602484248410868(Top 43%)2616(Top 24%)2616(Top 162%)
10K6.21 mi3.10 mi10825+352520-362520-3610848(Top 42%)2556(Top 23%)2556(Top 158%)
15K9.32 mi3.11 mi10802+232516+42516+410868(Top 43%)2616(Top 24%)2616(Top 162%)
20K12.43 mi3.11 mi11056-2542692-1762692-17611853(Top 46%)3235(Top 30%)3235(Top 201%)
Half13.11 mi0.68 mi11065-92702-102702-1011478(Top 45%)3046(Top 28%)3046(Top 189%)
25K15.53 mi2.42 mi10783+2822619+832619+839895(Top 39%)2428(Top 22%)2428(Top 151%)
30K18.64 mi3.11 mi10481+3022564+552564+559730(Top 38%)2566(Top 23%)2566(Top 159%)
20M20.00 mi1.36 mi10309+1722539+252539+258985(Top 35%)2449(Top 22%)2449(Top 152%)
21M21.00 mi1.00 mi10136+1732500+392500+398833(Top 35%)2600(Top 24%)2600(Top 161%)
35K21.75 mi0.75 mi9990+1462463+372463+377405(Top 29%)1953(Top 18%)1953(Top 121%)
23M23.00 mi1.25 mi9738+2522404+592404+596973(Top 27%)1889(Top 17%)1889(Top 117%)
24M24.00 mi1.00 mi9482+2562320+842320+845504(Top 22%)1317(Top 12%)1317(Top 82%)
40K24.85 mi0.85 mi9312+1702278+422278+426347(Top 25%)1813(Top 17%)1813(Top 112%)
25.2M25.20 mi0.35 mi9234+782262+162262+166350(Top 25%)1881(Top 17%)1881(Top 117%)
Finish26.22 mi1.02 mi9134+1002255+72255+77561(Top 30%)2362(Top 22%)2362(Top 146%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

10868

Females

2616

F40-44

2616

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10848

Females

2556

F40-44

2556

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

10868

Females

2616

F40-44

2616

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

11853

Females

3235

F40-44

3235

20K→Half

12.4 - 13.1 mi

Top 45%
×2stories
+19ft-37ft

Overall

11478

Females

3046

F40-44

3046

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

9895

Females

2428

F40-44

2428

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

9730

Females

2566

F40-44

2566

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

8985

Females

2449

F40-44

2449

20M→21M

20.0 - 21.0 mi

Top 35%
×8stories
+106ft-24ft

Overall

8833

Females

2600

F40-44

2600

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

7405

Females

1953

F40-44

1953

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6973

Females

1889

F40-44

1889

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5504

Females

1317

F40-44

1317

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6347

Females

1813

F40-44

1813

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6350

Females

1881

F40-44

1881

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2stories
+22ft-21ft

Overall

7561

Females

2362

F40-44

2362

Passing Analysis

Category:
Athletes Passed
3054*
Passed By
1328
Net Change
+1726
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10860
5K → 10K308273+35#10860#10825
10K → 15K222199+23#10825#10802
15K → 20K144398-254#10802#11056
20K → Half3140-9#11056#11065
Half → 25K36482+282#11065#10783
25K → 30K433131+302#10783#10481
30K → 20M22856+172#10481#10309
20M → 21M22350+173#10309#10136
21M → 35K157*11+146#10136#9990
35K → 23M27826+252#9990#9738
23M → 24M260*4+256#9738#9482
24M → 40K18010+170#9482#9312
40K → 25.2M824+78#9312#9234
25.2M → Finish14444+100#9234#9134
TOTALS3054*1328+1726

* 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