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BOSTON MARATHON 2024

Margaret Williams

Bib: 18224•F

GA

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

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
7:50/mi
24:20
↑ 97↓ 3451.5%
10K· 6.21 mi
7:57/mi
49:03
↑ 79↓ 1380.4%
15K· 9.32 mi
8:10/mi
1:14:24
↑ 67↓ 78
20K· 12.43 mi
8:51/mi
1:41:54
↑ 106↓ 860.1%
Half· 13.11 mi
8:15/mi
1:47:32
↑ 19↓ 370.5%
25K· 15.53 mi
9:18/mi
2:10:06
↑ 66↓ 880.2%
30K· 18.64 mi
10:03/mi
2:41:18
↑ 181↓ 1480.2%
20M
10:09/mi
2:55:05
↑ 64↓ 500.2%
21M
10:39/mi
3:05:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:03/mi
3:12:30
↑ 17↓ 861.7%
23M
10:37/mi
3:25:47
↑ 23↓ 630.6%
24M
10:11/mi
3:35:58
↓ 821.3%
40K· 24.85 mi
10:23/mi
3:44:51
↓ 200.3%
25.2M
11:27/mi
3:48:48
↑ 13↓ 160.2%
Finish· 26.22 mi
9:15/mi
3:58:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:32
Pace8:12 /mi
2nd Half
Distance13.11 mi
Time2:10:42
Pace9:58 /mi
📊Positive Split: 21.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:1224:207:5024:20
7:50
-
10K
6.21 mi11:43:5549:037:5424:43
7:57
+0:07
15K
9.32 mi12:09:161:14:247:5925:21
8:10
+0:13
20K
12.43 mi12:36:461:41:548:1227:30
8:51
+0:41
Half
13.11 mi12:42:241:47:328:125:38
8:15
-0:36
25K
15.53 mi13:04:582:10:068:2322:34
9:18
+1:03
30K
18.64 mi13:36:102:41:188:3931:12
10:03
+0:45
20M
20.00 mi13:49:572:55:058:4513:47
10:09
+0:06
21M
21.00 mi14:00:363:05:448:5110:39
10:39
+0:30
35K
21.75 mi14:07:223:12:308:516:46
9:03
-1:36
23M
23.00 mi14:20:393:25:478:5713:17
10:37
+1:34
24M
24.00 mi14:30:503:35:589:0010:11
10:11
-0:26
40K
24.85 mi14:39:433:44:519:038:53
10:23
+0:12
25.2M
25.20 mi14:43:403:48:489:053:57
11:27
+1:04
Finish
26.22 mi14:53:063:58:149:069:26
9:15
-2:12

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

7:50 /mi

Average Pace

9:06 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:02

34% of race

Time at Steady Pace

1:06:16

28% of race

Time at Slower Pace

1:31:56

39% of race

Average Pace: 9:05 /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 mi11:19:1224:207:5024:20
7:50
#13371
10K
6.21 mi11:43:5549:037:5424:43
7:57
#13609
15K
9.32 mi12:09:161:14:247:5925:21
8:10
#13948
20K
12.43 mi12:36:461:41:548:1227:30
8:51
#14724
Half
13.11 mi12:42:241:47:328:125:38
8:15
#14711
25K
15.53 mi13:04:582:10:068:2322:34
9:18
#15070
30K
18.64 mi13:36:102:41:188:3931:12
10:03
#15641
20M
20.00 mi13:49:572:55:058:4513:47
10:09
#15794
21M
21.00 mi14:00:363:05:448:5110:39
10:39
#15784
35K
21.75 mi14:07:223:12:308:516:46
9:03
#15699
23M
23.00 mi14:20:393:25:478:5713:17
10:37
#15861
24M
24.00 mi14:30:503:35:589:0010:11
10:11
#15926
40K
24.85 mi14:39:433:44:519:038:53
10:23
#15925
25.2M
25.20 mi14:43:403:48:489:053:57
11:27
#15927
Finish
26.22 mi14:53:063:58:149:069:26
9:15
#15893
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi133713931393114481(Top 57%)4655(Top 43%)4655(Top 100%)
10K6.21 mi3.10 mi13609-2384097-1664097-16613888(Top 54%)4286(Top 39%)4286(Top 92%)
15K9.32 mi3.11 mi13948-3394312-2154312-21514481(Top 57%)4655(Top 43%)4655(Top 100%)
20K12.43 mi3.11 mi14724-7764792-4804792-48016668(Top 65%)5990(Top 55%)5990(Top 129%)
Half13.11 mi0.68 mi14711+134794-24794-214425(Top 56%)4724(Top 43%)4724(Top 101%)
25K15.53 mi2.42 mi15070-3595041-2475041-24716836(Top 66%)6173(Top 57%)6173(Top 132%)
30K18.64 mi3.11 mi15641-5715460-4195460-41917482(Top 68%)6777(Top 62%)6777(Top 145%)
20M20.00 mi1.36 mi15794-1535596-1365596-13616946(Top 66%)6685(Top 61%)6685(Top 143%)
21M21.00 mi1.00 mi15784+105630-345630-3415308(Top 60%)5977(Top 55%)5977(Top 128%)
35K21.75 mi0.75 mi15699+855607+235607+2313554(Top 53%)5100(Top 47%)5100(Top 109%)
23M23.00 mi1.25 mi15861-1625737-1305737-13017332(Top 68%)7074(Top 65%)7074(Top 152%)
24M24.00 mi1.00 mi15926-655800-635800-6316914(Top 66%)6906(Top 63%)6906(Top 148%)
40K24.85 mi0.85 mi15925+15830-305830-3016365(Top 64%)6677(Top 61%)6677(Top 143%)
25.2M25.20 mi0.35 mi15927-25845-155845-1515931(Top 62%)6504(Top 60%)6504(Top 140%)
Finish26.22 mi1.02 mi15893+345847-25847-215407(Top 60%)6208(Top 57%)6208(Top 133%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21story building
+97ft-345ft

Overall

14481

Females

4655

F18-39

4655

5K→10K

3.1 - 6.2 mi

Top 54%
×5story building
+79ft-138ft

Overall

13888

Females

4286

F18-39

4286

10K→15K

6.2 - 9.3 mi

Top 57%
×3story building
+67ft-78ft

Overall

14481

Females

4655

F18-39

4655

15K→20K

9.3 - 12.4 mi

Top 65%
×5story building
+106ft-86ft

Overall

16668

Females

5990

F18-39

5990

20K→Half

12.4 - 13.1 mi

Top 56%
×2story building
+19ft-37ft

Overall

14425

Females

4724

F18-39

4724

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

16836

Females

6173

F18-39

6173

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

17482

Females

6777

F18-39

6777

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

16946

Females

6685

F18-39

6685

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15308

Females

5977

F18-39

5977

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

13554

Females

5100

F18-39

5100

35K→23M

21.8 - 23.0 mi

Top 68%
×5story building
+23ft-63ft

Overall

17332

Females

7074

F18-39

7074

23M→24M

23.0 - 24.0 mi

Top 66%
×6story building
+12ft-82ft

Overall

16914

Females

6906

F18-39

6906

24M→40K

24.0 - 24.9 mi

Top 64%
×1story
+6ft-20ft

Overall

16365

Females

6677

F18-39

6677

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

15931

Females

6504

F18-39

6504

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

15407

Females

6208

F18-39

6208

Passing Analysis

Category:
Athletes Passed
1334
Passed By
3856
Net Change
-2522
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13371
5K → 10K211449-238#13371#13609
10K → 15K128467-339#13609#13948
15K → 20K81857-776#13948#14724
20K → Half4532+13#14724#14711
Half → 25K114473-359#14711#15070
25K → 30K109680-571#15070#15641
30K → 20M78231-153#15641#15794
20M → 21M123113+10#15794#15784
21M → 35K10520+85#15784#15699
35K → 23M73235-162#15699#15861
23M → 24M54119-65#15861#15926
24M → 40K9493+1#15926#15925
40K → 25.2M3133-2#15925#15927
25.2M → Finish8854+34#15927#15893
TOTALS13343856-2522
📊

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