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BOSTON MARATHON 2024

Emma Twitchell

Bib: 25496•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
26:52
Rank: #18582
Start → 5K
8:39/mi
26:52 split
10K· 6.21 mi
54:47
Rank: #19134 (-552)
5K → 10K
8:59/mi
27:55 split
15K· 9.32 mi
1:22:44
Rank: #19031 (+103)
10K → 15K
9:00/mi
27:57 split
20K· 12.43 mi
1:50:45
Rank: #18552 (+479)
15K → 20K
9:01/mi
28:01 split
Half· 13.11 mi
1:56:50
Rank: #18513 (+39)
20K → Half
8:55/mi
6:05 split
25K· 15.53 mi
2:19:35
Rank: #18233 (+280)
Half → 25K
9:23/mi
22:45 split
30K· 18.64 mi
2:49:37
Rank: #17825 (+408)
25K → 30K
9:40/mi
30:02 split
20M
3:02:14
Rank: #17503 (+322)
30K → 20M
9:17/mi
12:37 split
21M
3:12:31
Rank: #17303 (+200)
20M → 21M
10:17/mi
10:17 split
35K· 21.75 mi
3:19:47
Rank: #17247 (+56)
21M → 35K
9:43/mi
7:16 split
23M
3:32:27
Rank: #17168 (+79)
35K → 23M
10:07/mi
12:40 split
24M
3:42:48
Rank: #17207 (-39)
23M → 24M
10:21/mi
10:21 split
40K· 24.85 mi
3:51:52
Rank: #17178 (+29)
24M → 40K
10:36/mi
9:04 split
25.2M
3:56:01
Rank: #17177 (+1)
40K → 25.2M
12:02/mi
4:09 split
Finish· 26.22 mi
4:06:01
Rank: #17144 (+33)
25.2M → Finish
9:49/mi
10:00 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:50
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:09:11
Pace9:51 /mi
📊Positive Split: 10.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2226:528:3926:52
8:39
-
10K
6.21 mi12:11:1754:478:4927:55
8:59
+0:20
15K
9.32 mi12:39:141:22:448:5327:57
9:00
+0:01
20K
12.43 mi13:07:151:50:458:5528:01
9:01
+0:01
Half
13.11 mi13:13:201:56:508:556:05
8:55
-0:06
25K
15.53 mi13:36:052:19:358:5922:45
9:23
+0:28
30K
18.64 mi14:06:072:49:379:0630:02
9:40
+0:17
20M
20.00 mi14:18:443:02:149:0712:37
9:17
-0:23
21M
21.00 mi14:29:013:12:319:1010:17
10:17
+1:00
35K
21.75 mi14:36:173:19:479:117:16
9:43
-0:34
23M
23.00 mi14:48:573:32:279:1412:40
10:07
+0:24
24M
24.00 mi14:59:183:42:489:1710:21
10:21
+0:14
40K
24.85 mi15:08:223:51:529:209:04
10:36
+0:15
25.2M
25.20 mi15:12:313:56:019:224:09
12:02
+1:26
Finish
26.22 mi15:22:314:06:019:2310:00
9:49
-2:13

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

8:39 /mi

Average Pace

9:23 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:56:50

47% of race

Time at Steady Pace

1:22:40

34% of race

Time at Slower Pace

46:31

19% of race

Average Pace: 9:23 /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 mi11:43:2226:528:3926:52
8:39
#18582
10K
6.21 mi12:11:1754:478:4927:55
8:59
#19134
15K
9.32 mi12:39:141:22:448:5327:57
9:00
#19031
20K
12.43 mi13:07:151:50:458:5528:01
9:01
#18552
Half
13.11 mi13:13:201:56:508:556:05
8:55
#18513
25K
15.53 mi13:36:052:19:358:5922:45
9:23
#18233
30K
18.64 mi14:06:072:49:379:0630:02
9:40
#17825
20M
20.00 mi14:18:443:02:149:0712:37
9:17
#17503
21M
21.00 mi14:29:013:12:319:1010:17
10:17
#17303
35K
21.75 mi14:36:173:19:479:117:16
9:43
#17247
23M
23.00 mi14:48:573:32:279:1412:40
10:07
#17168
24M
24.00 mi14:59:183:42:489:1710:21
10:21
#17207
40K
24.85 mi15:08:223:51:529:209:04
10:36
#17178
25.2M
25.20 mi15:12:313:56:019:224:09
12:02
#17177
Finish
26.22 mi15:22:314:06:019:2310:00
9:49
#17144
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi185827101710118904(Top 74%)7198(Top 66%)7198(Top 154%)
10K6.21 mi3.10 mi19134-5527399-2987399-29819696(Top 77%)7670(Top 70%)7670(Top 165%)
15K9.32 mi3.11 mi19031+1037315+847315+8418904(Top 74%)7198(Top 66%)7198(Top 154%)
20K12.43 mi3.11 mi18552+4797040+2757040+27517429(Top 68%)6394(Top 59%)6394(Top 137%)
Half13.11 mi0.68 mi18513+397022+187022+1817910(Top 70%)6740(Top 62%)6740(Top 145%)
25K15.53 mi2.42 mi18233+2806904+1186904+11817149(Top 67%)6361(Top 58%)6361(Top 137%)
30K18.64 mi3.11 mi17825+4086741+1636741+16316121(Top 63%)6032(Top 55%)6032(Top 129%)
20M20.00 mi1.36 mi17503+3226577+1646577+16413577(Top 53%)4901(Top 45%)4901(Top 105%)
21M21.00 mi1.00 mi17303+2006498+796498+7914093(Top 55%)5367(Top 49%)5367(Top 115%)
35K21.75 mi0.75 mi17247+566483+156483+1516259(Top 64%)6486(Top 59%)6486(Top 139%)
23M23.00 mi1.25 mi17168+796468+156468+1515863(Top 62%)6330(Top 58%)6330(Top 136%)
24M24.00 mi1.00 mi17207-396509-416509-4117434(Top 68%)7171(Top 66%)7171(Top 154%)
40K24.85 mi0.85 mi17178+296527-186527-1816996(Top 67%)7024(Top 64%)7024(Top 151%)
25.2M25.20 mi0.35 mi17177+16537-106537-1017432(Top 68%)7260(Top 66%)7260(Top 156%)
Finish26.22 mi1.02 mi17144+336560-236560-2317772(Top 70%)7392(Top 68%)7392(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

18904

Females

7198

F18-39

7198

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

19696

Females

7670

F18-39

7670

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

18904

Females

7198

F18-39

7198

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

17429

Females

6394

F18-39

6394

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

17910

Females

6740

F18-39

6740

Half→25K

13.1 - 15.5 mi

Top 67%
×4story building
+66ft-88ft

Overall

17149

Females

6361

F18-39

6361

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16121

Females

6032

F18-39

6032

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

13577

Females

4901

F18-39

4901

20M→21M

20.0 - 21.0 mi

Top 55%
×8story building
+106ft-24ft

Overall

14093

Females

5367

F18-39

5367

21M→35K

21.0 - 21.8 mi

Top 64%
×7story building
+17ft-86ft

Overall

16259

Females

6486

F18-39

6486

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

15863

Females

6330

F18-39

6330

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

17434

Females

7171

F18-39

7171

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

16996

Females

7024

F18-39

7024

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

17432

Females

7260

F18-39

7260

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

17772

Females

7392

F18-39

7392

Passing Analysis

Category:
Athletes Passed
2844
Passed By
1406
Net Change
+1438
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18582
5K → 10K113665-552#18582#19134
10K → 15K269166+103#19134#19031
15K → 20K51637+479#19031#18552
20K → Half5718+39#18552#18513
Half → 25K36181+280#18513#18233
25K → 30K47163+408#18233#17825
30K → 20M3220+322#17825#17503
20M → 21M21717+200#17503#17303
21M → 35K9842+56#17303#17247
35K → 23M13960+79#17247#17168
23M → 24M5998-39#17168#17207
24M → 40K9566+29#17207#17178
40K → 25.2M3332+1#17178#17177
25.2M → Finish9461+33#17177#17144
TOTALS28441406+1438
📊

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