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BOSTON MARATHON 2023

Caroline Smith

Bib: 14786•F

VA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 45%
Gender (Female)
#0 / 11423
Top 27%
Division (F18-39)
#0 / 4884
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:46
Rank: #11038
Start → 5K
23:46 | 7:39/mi
10K· 6.21 mi
46:44
Rank: #10240 (+798)
5K → 10K
22:58 | 7:24/mi
15K· 9.32 mi
1:09:42
Rank: #9853 (+387)
10K → 15K
22:58 | 7:24/mi
20K· 12.43 mi
1:33:44
Rank: #10223 (-370)
15K → 20K
24:02 | 7:44/mi
Half· 13.11 mi
1:38:57
Rank: #10276 (-53)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
1:58:24
Rank: #10672 (-396)
Half → 25K
19:27 | 8:01/mi
30K· 18.64 mi
2:30:11
Rank: #13744 (-3072)
25K → 30K
31:47 | 10:14/mi
20M
2:41:03
Rank: #13446 (+298)
30K → 20M
10:52 | 8:00/mi
21M
2:49:34
Rank: #13250 (+196)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:55:15
Rank: #13075 (+175)
21M → 35K
5:41 | 7:36/mi
23M
3:04:59
Rank: #12784 (+291)
35K → 23M
9:44 | 7:46/mi
24M
3:12:19
Rank: #12469 (+315)
23M → 24M
7:20 | 7:20/mi
40K· 24.85 mi
3:18:42
Rank: #12244 (+225)
24M → 40K
6:23 | 7:28/mi
25.2M
3:21:29
Rank: #12130 (+114)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:28:53
Rank: #11926 (+204)
25.2M → Finish
7:24 | 7:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:57
Pace7:33 /mi
2nd Half
Distance13.11 mi
Time1:49:56
Pace8:23 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4423:467:3923:46
7:39
-
10K
6.21 mi11:15:4246:447:3122:58
7:24
-0:15
15K
9.32 mi11:38:401:09:427:2922:58
7:24
0:00
20K
12.43 mi12:02:421:33:447:3324:02
7:44
+0:20
Half
13.11 mi12:07:551:38:577:335:13
7:39
-0:05
25K
15.53 mi12:27:221:58:247:3719:27
8:01
+0:22
30K
18.64 mi12:59:092:30:118:0331:47
10:14
+2:13
20M
20.00 mi13:10:012:41:038:0310:52
8:00
-2:14
21M
21.00 mi13:18:322:49:348:048:31
8:31
+0:31
35K
21.75 mi13:24:132:55:158:035:41
7:36
-0:55
23M
23.00 mi13:33:573:04:598:039:44
7:46
+0:10
24M
24.00 mi13:41:173:12:198:017:20
7:20
-0:26
40K
24.85 mi13:47:403:18:428:006:23
7:28
+0:08
25.2M
25.20 mi13:50:273:21:298:002:47
8:04
+0:36
Finish
26.22 mi13:57:513:28:537:587:24
7:16
-0:48

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

7:16 /mi

Average Pace

7:58 /mi

Slowest Pace

10:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

7:24

4% of race

Time at Steady Pace

2:18:57

67% of race

Time at Slower Pace

1:02:32

30% of race

Average Pace: 7:58 /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 mi10:52:4423:467:3923:46
7:39
#11038
10K
6.21 mi11:15:4246:447:3122:58
7:24
#10240
15K
9.32 mi11:38:401:09:427:2922:58
7:24
#9853
20K
12.43 mi12:02:421:33:447:3324:02
7:44
#10223
Half
13.11 mi12:07:551:38:577:335:13
7:39
#10276
25K
15.53 mi12:27:221:58:247:3719:27
8:01
#10672
30K
18.64 mi12:59:092:30:118:0331:47
10:14
#13744
20M
20.00 mi13:10:012:41:038:0310:52
8:00
#13446
21M
21.00 mi13:18:322:49:348:048:31
8:31
#13250
35K
21.75 mi13:24:132:55:158:035:41
7:36
#13075
23M
23.00 mi13:33:573:04:598:039:44
7:46
#12784
24M
24.00 mi13:41:173:12:198:017:20
7:20
#12469
40K
24.85 mi13:47:403:18:428:006:23
7:28
#12244
25.2M
25.20 mi13:50:273:21:298:002:47
8:04
#12130
Finish
26.22 mi13:57:513:28:537:587:24
7:16
#11926
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11038235123519285(Top 35%)1549(Top 14%)1549(Top 32%)
10K6.21 mi3.10 mi10240+7981948+4031948+4039576(Top 36%)1657(Top 15%)1657(Top 34%)
15K9.32 mi3.11 mi9853+3871761+1871761+1879285(Top 35%)1549(Top 14%)1549(Top 32%)
20K12.43 mi3.11 mi10223-3701938-1771938-17711209(Top 42%)2520(Top 22%)2520(Top 52%)
Half13.11 mi0.68 mi10276-531963-251963-2511491(Top 43%)2632(Top 23%)2632(Top 54%)
25K15.53 mi2.42 mi10672-3962188-2252188-22512925(Top 49%)3582(Top 31%)3582(Top 73%)
30K18.64 mi3.11 mi13744-30723986-17983986-179821600(Top 81%)8678(Top 76%)8678(Top 178%)
20M20.00 mi1.36 mi13446+2983826+1603826+16010278(Top 39%)2371(Top 21%)2371(Top 49%)
21M21.00 mi1.00 mi13250+1963720+1063720+10610612(Top 40%)2685(Top 24%)2685(Top 55%)
35K21.75 mi0.75 mi13075+1753638+823638+829328(Top 35%)2081(Top 18%)2081(Top 43%)
23M23.00 mi1.25 mi12784+2913499+1393499+1398278(Top 31%)1716(Top 15%)1716(Top 35%)
24M24.00 mi1.00 mi12469+3153329+1703329+1706672(Top 25%)1154(Top 10%)1154(Top 24%)
40K24.85 mi0.85 mi12244+2253227+1023227+1026569(Top 25%)1205(Top 11%)1205(Top 25%)
25.2M25.20 mi0.35 mi12130+1143178+493178+497035(Top 26%)1458(Top 13%)1458(Top 30%)
Finish26.22 mi1.02 mi11926+2043081+973081+976895(Top 26%)1400(Top 12%)1400(Top 29%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9285

Females

1549

F18-39

1549

5K→10K

3.1 - 6.2 mi

Top 36%
×5stories
+79ft-138ft

Overall

9576

Females

1657

F18-39

1657

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9285

Females

1549

F18-39

1549

15K→20K

9.3 - 12.4 mi

Top 42%
×5stories
+106ft-86ft

Overall

11209

Females

2520

F18-39

2520

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11491

Females

2632

F18-39

2632

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

12925

Females

3582

F18-39

3582

25K→30K

15.5 - 18.6 mi

Top 81%
×9stories
+181ft-148ft

Overall

21600

Females

8678

F18-39

8678

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10278

Females

2371

F18-39

2371

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10612

Females

2685

F18-39

2685

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9328

Females

2081

F18-39

2081

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8278

Females

1716

F18-39

1716

23M→24M

23.0 - 24.0 mi

Top 25%
×6stories
+12ft-82ft

Overall

6672

Females

1154

F18-39

1154

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6569

Females

1205

F18-39

1205

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7035

Females

1458

F18-39

1458

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6895

Females

1400

F18-39

1400

Passing Analysis

Category:
Athletes Passed
3249*
Passed By
4137
Net Change
-888
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11038
5K → 10K851*53+798#11038#10240
10K → 15K425*38+387#10240#9853
15K → 20K64434-370#9853#10223
20K → Half1265-53#10223#10276
Half → 25K41437-396#10276#10672
25K → 30K13073-3072#10672#13744
30K → 20M3035+298#13744#13446
20M → 21M21519+196#13446#13250
21M → 35K1783+175#13250#13075
35K → 23M2921+291#13075#12784
23M → 24M3161+315#12784#12469
24M → 40K2272+225#12469#12244
40K → 25.2M1151+114#12244#12130
25.2M → Finish2095+204#12130#11926
TOTALS3249*4137-888

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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