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BOSTON MARATHON 2023

Margaret Small

Bib: 26859•F

MA

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

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
8:54/mi
27:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
54:09
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:20:59
↑ 67↓ 78
20K· 12.43 mi
8:50/mi
1:48:25
↑ 106↓ 860.1%
Half· 13.11 mi
8:49/mi
1:54:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:16:43
↑ 66↓ 880.2%
30K· 18.64 mi
9:36/mi
2:46:34
↑ 181↓ 1480.2%
20M
10:06/mi
3:00:17
↑ 64↓ 500.2%
21M
10:27/mi
3:10:44
↑ 106↓ 241.6%
35K· 21.75 mi
9:33/mi
3:17:53
↑ 17↓ 861.7%
23M
10:00/mi
3:30:24
↑ 23↓ 630.6%
24M
10:00/mi
3:40:24
↓ 821.3%
40K· 24.85 mi
10:21/mi
3:49:15
↓ 200.3%
25.2M
10:26/mi
3:52:51
↑ 13↓ 160.2%
Finish· 26.22 mi
9:22/mi
4:02:24
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:26
Pace8:44 /mi
2nd Half
Distance13.11 mi
Time2:07:58
Pace9:46 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0527:398:5427:39
8:54
-
10K
6.21 mi12:10:3554:098:4326:30
8:32
-0:22
15K
9.32 mi12:37:251:20:598:4126:50
8:38
+0:06
20K
12.43 mi13:04:511:48:258:4327:26
8:50
+0:12
Half
13.11 mi13:10:521:54:268:446:01
8:49
-0:01
25K
15.53 mi13:33:092:16:438:4822:17
9:11
+0:22
30K
18.64 mi14:03:002:46:348:5629:51
9:36
+0:25
20M
20.00 mi14:16:433:00:179:0113:43
10:06
+0:30
21M
21.00 mi14:27:103:10:449:0510:27
10:27
+0:21
35K
21.75 mi14:34:193:17:539:067:09
9:33
-0:54
23M
23.00 mi14:46:503:30:249:0912:31
10:00
+0:27
24M
24.00 mi14:56:503:40:249:1110:00
10:00
0:00
40K
24.85 mi15:05:413:49:159:138:51
10:21
+0:21
25.2M
25.20 mi15:09:173:52:519:143:36
10:26
+0:05
Finish
26.22 mi15:18:504:02:249:159:33
9:22
-1:04

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

8:32 /mi

Average Pace

9:15 /mi

Slowest Pace

10:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:43

56% of race

Time at Steady Pace

46:33

19% of race

Time at Slower Pace

59:08

24% of race

Average Pace: 9:15 /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 mi11:44:0527:398:5427:39
8:54
#19996
10K
6.21 mi12:10:3554:098:4326:30
8:32
#19199
15K
9.32 mi12:37:251:20:598:4126:50
8:38
#18987
20K
12.43 mi13:04:511:48:258:4327:26
8:50
#18918
Half
13.11 mi13:10:521:54:268:446:01
8:49
#18967
25K
15.53 mi13:33:092:16:438:4822:17
9:11
#19095
30K
18.64 mi14:03:002:46:348:5629:51
9:36
#19290
20M
20.00 mi14:16:433:00:179:0113:43
10:06
#19433
21M
21.00 mi14:27:103:10:449:0510:27
10:27
#19431
35K
21.75 mi14:34:193:17:539:067:09
9:33
#19463
23M
23.00 mi14:46:503:30:249:0912:31
10:00
#19516
24M
24.00 mi14:56:503:40:249:1110:00
10:00
#19598
40K
24.85 mi15:05:413:49:159:138:51
10:21
#19677
25.2M
25.20 mi15:09:173:52:519:143:36
10:26
#19669
Finish
26.22 mi15:18:504:02:249:159:33
9:22
#19677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi199967816781618675(Top 70%)6908(Top 60%)6908(Top 141%)
10K6.21 mi3.10 mi19199+7977279+5377279+53718441(Top 69%)6736(Top 59%)6736(Top 138%)
15K9.32 mi3.11 mi18987+2127126+1537126+15318675(Top 70%)6908(Top 60%)6908(Top 141%)
20K12.43 mi3.11 mi18918+697076+507076+5018840(Top 71%)6993(Top 61%)6993(Top 143%)
Half13.11 mi0.68 mi18967-497102-267102-2619633(Top 74%)7461(Top 65%)7461(Top 153%)
25K15.53 mi2.42 mi19095-1287172-707172-7019810(Top 74%)7589(Top 66%)7589(Top 155%)
30K18.64 mi3.11 mi19290-1957310-1387310-13819822(Top 74%)7667(Top 67%)7667(Top 157%)
20M20.00 mi1.36 mi19433-1437411-1017411-10120735(Top 78%)8269(Top 72%)8269(Top 169%)
21M21.00 mi1.00 mi19431+27422-117422-1119447(Top 73%)7610(Top 67%)7610(Top 156%)
35K21.75 mi0.75 mi19463-327443-217443-2120037(Top 75%)7952(Top 70%)7952(Top 163%)
23M23.00 mi1.25 mi19516-537477-347477-3419988(Top 75%)7949(Top 70%)7949(Top 163%)
24M24.00 mi1.00 mi19598-827538-617538-6120786(Top 78%)8423(Top 74%)8423(Top 172%)
40K24.85 mi0.85 mi19677-797592-547592-5420879(Top 78%)8531(Top 75%)8531(Top 175%)
25.2M25.20 mi0.35 mi19669+87594-27594-218938(Top 71%)7479(Top 65%)7479(Top 153%)
Finish26.22 mi1.02 mi19677-87604-107604-1019673(Top 74%)7819(Top 68%)7819(Top 160%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18675

Females

6908

F18-39

6908

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18441

Females

6736

F18-39

6736

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18675

Females

6908

F18-39

6908

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18840

Females

6993

F18-39

6993

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

19633

Females

7461

F18-39

7461

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19810

Females

7589

F18-39

7589

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19822

Females

7667

F18-39

7667

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20735

Females

8269

F18-39

8269

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19447

Females

7610

F18-39

7610

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20037

Females

7952

F18-39

7952

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

19988

Females

7949

F18-39

7949

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20786

Females

8423

F18-39

8423

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

20879

Females

8531

F18-39

8531

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18938

Females

7479

F18-39

7479

25.2M→Finish

25.2 - 26.2 mi

Top 74%
×2story building
+22ft-21ft

Overall

19673

Females

7819

F18-39

7819

Passing Analysis

Category:
Athletes Passed
1941
Passed By
1622
Net Change
+319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19996
5K → 10K89194+797#19996#19199
10K → 15K30391+212#19199#18987
15K → 20K189120+69#18987#18918
20K → Half1160-49#18918#18967
Half → 25K88216-128#18967#19095
25K → 30K109304-195#19095#19290
30K → 20M48191-143#19290#19433
20M → 21M8381+2#19433#19431
21M → 35K3466-32#19431#19463
35K → 23M56109-53#19463#19516
23M → 24M33115-82#19516#19598
24M → 40K25104-79#19598#19677
40K → 25.2M2719+8#19677#19669
25.2M → Finish4452-8#19669#19677
TOTALS19411622+319
📊

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