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BOSTON MARATHON 2023

Emily Houston

Bib: 24987•F

NH

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:58
Rank: #21604
Start → 5K
28:58 | 9:19/mi
10K· 6.21 mi
56:42
Rank: #21154 (+450)
5K → 10K
27:44 | 8:56/mi
15K· 9.32 mi
1:24:40
Rank: #20960 (+194)
10K → 15K
27:58 | 9:00/mi
20K· 12.43 mi
1:52:28
Rank: #20581 (+379)
15K → 20K
27:48 | 8:57/mi
Half· 13.11 mi
1:58:18
Rank: #20469 (+112)
20K → Half
5:50 | 8:33/mi
25K· 15.53 mi
2:20:21
Rank: #20296 (+173)
Half → 25K
22:03 | 9:06/mi
30K· 18.64 mi
2:49:16
Rank: #19970 (+326)
25K → 30K
28:55 | 9:18/mi
20M
3:02:13
Rank: #19861 (+109)
30K → 20M
12:57 | 9:32/mi
21M
3:12:11
Rank: #19729 (+132)
20M → 21M
9:58 | 9:58/mi
35K· 21.75 mi
3:19:07
Rank: #19702 (+27)
21M → 35K
6:56 | 9:16/mi
23M
3:31:02
Rank: #19636 (+66)
35K → 23M
11:55 | 9:31/mi
24M
3:39:52
Rank: #19512 (+124)
23M → 24M
8:50 | 8:50/mi
40K· 24.85 mi
3:47:15
Rank: #19341 (+171)
24M → 40K
7:23 | 8:38/mi
25.2M
3:50:21
Rank: #19248 (+93)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:58:48
Rank: #19096 (+152)
25.2M → Finish
8:27 | 8:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:18
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:00:30
Pace9:12 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1628:589:1928:58
9:19
-
10K
6.21 mi12:19:0056:429:0727:44
8:56
-0:23
15K
9.32 mi12:46:581:24:409:0527:58
9:00
+0:04
20K
12.43 mi13:14:461:52:289:0327:48
8:57
-0:03
Half
13.11 mi13:20:361:58:189:015:50
8:33
-0:24
25K
15.53 mi13:42:392:20:219:0222:03
9:06
+0:33
30K
18.64 mi14:11:342:49:169:0528:55
9:18
+0:12
20M
20.00 mi14:24:313:02:139:0712:57
9:32
+0:14
21M
21.00 mi14:34:293:12:119:099:58
9:58
+0:26
35K
21.75 mi14:41:253:19:079:096:56
9:16
-0:42
23M
23.00 mi14:53:203:31:029:1111:55
9:31
+0:15
24M
24.00 mi15:02:103:39:529:108:50
8:50
-0:41
40K
24.85 mi15:09:333:47:159:097:23
8:38
-0:12
25.2M
25.20 mi15:12:393:50:219:083:06
8:59
+0:21
Finish
26.22 mi15:21:063:58:489:078:27
8:18
-0:41

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

8:18 /mi

Average Pace

9:07 /mi

Slowest Pace

9:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:40

9% of race

Time at Steady Pace

1:57:29

49% of race

Time at Slower Pace

1:39:39

42% of race

Average Pace: 9:06 /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 mi11:51:1628:589:1928:58
9:19
#21604
10K
6.21 mi12:19:0056:429:0727:44
8:56
#21154
15K
9.32 mi12:46:581:24:409:0527:58
9:00
#20960
20K
12.43 mi13:14:461:52:289:0327:48
8:57
#20581
Half
13.11 mi13:20:361:58:189:015:50
8:33
#20469
25K
15.53 mi13:42:392:20:219:0222:03
9:06
#20296
30K
18.64 mi14:11:342:49:169:0528:55
9:18
#19970
20M
20.00 mi14:24:313:02:139:0712:57
9:32
#19861
21M
21.00 mi14:34:293:12:119:099:58
9:58
#19729
35K
21.75 mi14:41:253:19:079:096:56
9:16
#19702
23M
23.00 mi14:53:203:31:029:1111:55
9:31
#19636
24M
24.00 mi15:02:103:39:529:108:50
8:50
#19512
40K
24.85 mi15:09:333:47:159:097:23
8:38
#19341
25.2M
25.20 mi15:12:393:50:219:083:06
8:59
#19248
Finish
26.22 mi15:21:063:58:489:078:27
8:18
#19096
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216048692869220515(Top 77%)7963(Top 70%)7963(Top 163%)
10K6.21 mi3.10 mi21154+4508393+2998393+29920559(Top 77%)8014(Top 70%)8014(Top 164%)
15K9.32 mi3.11 mi20960+1948269+1248269+12420515(Top 77%)7963(Top 70%)7963(Top 163%)
20K12.43 mi3.11 mi20581+3798042+2278042+22719459(Top 73%)7358(Top 64%)7358(Top 151%)
Half13.11 mi0.68 mi20469+1127978+647978+6418088(Top 68%)6552(Top 57%)6552(Top 134%)
25K15.53 mi2.42 mi20296+1737870+1087870+10819398(Top 73%)7368(Top 65%)7368(Top 151%)
30K18.64 mi3.11 mi19970+3267716+1547716+15418671(Top 70%)7017(Top 61%)7017(Top 144%)
20M20.00 mi1.36 mi19861+1097659+577659+5718987(Top 71%)7293(Top 64%)7293(Top 149%)
21M21.00 mi1.00 mi19729+1327584+757584+7517935(Top 67%)6724(Top 59%)6724(Top 138%)
35K21.75 mi0.75 mi19702+277576+87576+819035(Top 72%)7405(Top 65%)7405(Top 152%)
23M23.00 mi1.25 mi19636+667543+337543+3318414(Top 69%)7086(Top 62%)7086(Top 145%)
24M24.00 mi1.00 mi19512+1247489+547489+5416440(Top 62%)6060(Top 53%)6060(Top 124%)
40K24.85 mi0.85 mi19341+1717396+937396+9314218(Top 53%)4880(Top 43%)4880(Top 100%)
25.2M25.20 mi0.35 mi19248+937344+527344+5212606(Top 47%)4065(Top 36%)4065(Top 83%)
Finish26.22 mi1.02 mi19096+1527264+807264+8014107(Top 53%)4811(Top 42%)4811(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20515

Females

7963

F18-39

7963

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20559

Females

8014

F18-39

8014

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20515

Females

7963

F18-39

7963

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19459

Females

7358

F18-39

7358

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18088

Females

6552

F18-39

6552

Half→25K

13.1 - 15.5 mi

Top 73%
×4stories
+66ft-88ft

Overall

19398

Females

7368

F18-39

7368

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18671

Females

7017

F18-39

7017

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18987

Females

7293

F18-39

7293

20M→21M

20.0 - 21.0 mi

Top 67%
×8stories
+106ft-24ft

Overall

17935

Females

6724

F18-39

6724

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19035

Females

7405

F18-39

7405

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

18414

Females

7086

F18-39

7086

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

16440

Females

6060

F18-39

6060

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14218

Females

4880

F18-39

4880

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12606

Females

4065

F18-39

4065

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2stories
+22ft-21ft

Overall

14107

Females

4811

F18-39

4811

Passing Analysis

Category:
Athletes Passed
2945
Passed By
437
Net Change
+2508
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21604
5K → 10K569119+450#21604#21154
10K → 15K28793+194#21154#20960
15K → 20K40627+379#20960#20581
20K → Half1120+112#20581#20469
Half → 25K20936+173#20469#20296
25K → 30K34923+326#20296#19970
30K → 20M14132+109#19970#19861
20M → 21M15422+132#19861#19729
21M → 35K5831+27#19729#19702
35K → 23M10539+66#19702#19636
23M → 24M1306+124#19636#19512
24M → 40K1732+171#19512#19341
40K → 25.2M930+93#19341#19248
25.2M → Finish1597+152#19248#19096
TOTALS2945437+2508
📊

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