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BOSTON MARATHON 2023

Carolyn Smith

Bib: 10702•F

CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 24%
Gender (Female)
#0 / 11423
Top 6%
Masters (Masters Women)
#0 / 6539
Top 2%
Division (F50-54)
#0 / 1207
Top 0.3%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:32
Rank: #7819
Start → 5K
22:32 | 7:15/mi
10K· 6.21 mi
44:35
Rank: #7601 (+218)
5K → 10K
22:03 | 7:06/mi
15K· 9.32 mi
1:06:38
Rank: #7416 (+185)
10K → 15K
22:03 | 7:06/mi
20K· 12.43 mi
1:28:57
Rank: #7263 (+153)
15K → 20K
22:19 | 7:11/mi
Half· 13.11 mi
1:33:47
Rank: #7259 (+4)
20K → Half
4:50 | 7:05/mi
25K· 15.53 mi
1:51:11
Rank: #7107 (+152)
Half → 25K
17:24 | 7:11/mi
30K· 18.64 mi
2:14:12
Rank: #6990 (+117)
25K → 30K
23:01 | 7:25/mi
20M
2:24:09
Rank: #6887 (+103)
30K → 20M
9:57 | 7:19/mi
21M
2:31:54
Rank: #6779 (+108)
20M → 21M
7:45 | 7:45/mi
35K· 21.75 mi
2:37:10
Rank: #6706 (+73)
21M → 35K
5:16 | 7:02/mi
23M
2:46:24
Rank: #6617 (+89)
35K → 23M
9:14 | 7:22/mi
24M
2:53:36
Rank: #6540 (+77)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
3:00:00
Rank: #6489 (+51)
24M → 40K
6:24 | 7:29/mi
25.2M
3:02:45
Rank: #6458 (+31)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
3:09:56
Rank: #6415 (+43)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:47
Pace7:09 /mi
2nd Half
Distance13.11 mi
Time1:36:09
Pace7:20 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2122:327:1522:32
7:15
-
10K
6.21 mi11:11:2444:357:1022:03
7:06
-0:09
15K
9.32 mi11:33:271:06:387:0922:03
7:06
0:00
20K
12.43 mi11:55:461:28:577:0922:19
7:11
+0:05
Half
13.11 mi12:00:361:33:477:094:50
7:05
-0:06
25K
15.53 mi12:18:001:51:117:0917:24
7:11
+0:06
30K
18.64 mi12:41:012:14:127:1223:01
7:25
+0:14
20M
20.00 mi12:50:582:24:097:129:57
7:19
-0:06
21M
21.00 mi12:58:432:31:547:147:45
7:45
+0:26
35K
21.75 mi13:03:592:37:107:145:16
7:02
-0:43
23M
23.00 mi13:13:132:46:247:149:14
7:22
+0:20
24M
24.00 mi13:20:252:53:367:147:12
7:12
-0:10
40K
24.85 mi13:26:493:00:007:156:24
7:29
+0:17
25.2M
25.20 mi13:29:343:02:457:152:45
7:58
+0:29
Finish
26.22 mi13:36:453:09:567:157:11
7:03
-0:55

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

7:02 /mi

Average Pace

7:15 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:26

94% of race

Time at Steady Pace

10:30

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:15 /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 mi10:49:2122:327:1522:32
7:15
#7819
10K
6.21 mi11:11:2444:357:1022:03
7:06
#7601
15K
9.32 mi11:33:271:06:387:0922:03
7:06
#7416
20K
12.43 mi11:55:461:28:577:0922:19
7:11
#7263
Half
13.11 mi12:00:361:33:477:094:50
7:05
#7259
25K
15.53 mi12:18:001:51:117:0917:24
7:11
#7107
30K
18.64 mi12:41:012:14:127:1223:01
7:25
#6990
20M
20.00 mi12:50:582:24:097:129:57
7:19
#6887
21M
21.00 mi12:58:432:31:547:147:45
7:45
#6779
35K
21.75 mi13:03:592:37:107:145:16
7:02
#6706
23M
23.00 mi13:13:132:46:247:149:14
7:22
#6617
24M
24.00 mi13:20:252:53:367:147:12
7:12
#6540
40K
24.85 mi13:26:493:00:007:156:24
7:29
#6489
25.2M
25.20 mi13:29:343:02:457:152:45
7:58
#6458
Finish
26.22 mi13:36:453:09:567:157:11
7:03
#6415
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi78199569567150(Top 27%)788(Top 7%)788(Top 65%)
10K6.21 mi3.10 mi7601+218882+74882+747432(Top 28%)869(Top 8%)869(Top 72%)
15K9.32 mi3.11 mi7416+185839+43839+437150(Top 27%)788(Top 7%)788(Top 65%)
20K12.43 mi3.11 mi7263+153816+23816+237000(Top 26%)779(Top 7%)779(Top 65%)
Half13.11 mi0.68 mi7259+4815+1815+17095(Top 27%)787(Top 7%)787(Top 65%)
25K15.53 mi2.42 mi7107+152785+30785+306554(Top 25%)713(Top 6%)713(Top 59%)
30K18.64 mi3.11 mi6990+117776+9776+96654(Top 25%)809(Top 7%)809(Top 67%)
20M20.00 mi1.36 mi6887+103760+16760+165785(Top 22%)647(Top 6%)647(Top 54%)
21M21.00 mi1.00 mi6779+108744+16744+165929(Top 22%)778(Top 7%)778(Top 64%)
35K21.75 mi0.75 mi6706+73737+7737+75596(Top 21%)646(Top 6%)646(Top 54%)
23M23.00 mi1.25 mi6617+89727+10727+105750(Top 22%)733(Top 6%)733(Top 61%)
24M24.00 mi1.00 mi6540+77717+10717+105771(Top 22%)812(Top 7%)812(Top 67%)
40K24.85 mi0.85 mi6489+51722-5722-56655(Top 25%)1221(Top 11%)1221(Top 101%)
25.2M25.20 mi0.35 mi6458+31717+5717+56392(Top 24%)1176(Top 10%)1176(Top 97%)
Finish26.22 mi1.02 mi6415+437177175539(Top 21%)918(Top 8%)918(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21stories
+97ft-345ft

Overall

7150

Females

788

F50-54

788

5K→10K

3.1 - 6.2 mi

Top 28%
×5stories
+79ft-138ft

Overall

7432

Females

869

F50-54

869

10K→15K

6.2 - 9.3 mi

Top 27%
×3stories
+67ft-78ft

Overall

7150

Females

788

F50-54

788

15K→20K

9.3 - 12.4 mi

Top 26%
×5stories
+106ft-86ft

Overall

7000

Females

779

F50-54

779

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7095

Females

787

F50-54

787

Half→25K

13.1 - 15.5 mi

Top 25%
×4stories
+66ft-88ft

Overall

6554

Females

713

F50-54

713

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6654

Females

809

F50-54

809

30K→20M

18.6 - 20.0 mi

Top 22%
×5stories
+64ft-50ft

Overall

5785

Females

647

F50-54

647

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

5929

Females

778

F50-54

778

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5596

Females

646

F50-54

646

35K→23M

21.8 - 23.0 mi

Top 22%
×5stories
+23ft-63ft

Overall

5750

Females

733

F50-54

733

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

5771

Females

812

F50-54

812

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6655

Females

1221

F50-54

1221

40K→25.2M

24.9 - 25.2 mi

Top 24%
×1story
+13ft-16ft

Overall

6392

Females

1176

F50-54

1176

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5539

Females

918

F50-54

918

Passing Analysis

Category:
Athletes Passed
1871
Passed By
467
Net Change
+1404
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7819
5K → 10K351133+218#7819#7601
10K → 15K24257+185#7601#7416
15K → 20K19542+153#7416#7263
20K → Half2319+4#7263#7259
Half → 25K17321+152#7259#7107
25K → 30K18366+117#7107#6990
30K → 20M11411+103#6990#6887
20M → 21M12315+108#6887#6779
21M → 35K785+73#6779#6706
35K → 23M11223+89#6706#6617
23M → 24M9316+77#6617#6540
24M → 40K7524+51#6540#6489
40K → 25.2M387+31#6489#6458
25.2M → Finish7128+43#6458#6415
TOTALS1871467+1404
📊

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