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BOSTON MARATHON 2023

Erin Carroll

Bib: 13920•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
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
7:41/mi
23:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:46/mi
48:01
↑ 79↓ 1380.4%
15K· 9.32 mi
7:45/mi
1:12:06
↑ 67↓ 78
20K· 12.43 mi
7:48/mi
1:36:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:41:45
↑ 19↓ 370.5%
25K· 15.53 mi
7:53/mi
2:00:52
↑ 66↓ 880.2%
30K· 18.64 mi
7:58/mi
2:25:37
↑ 181↓ 1480.2%
20M
8:03/mi
2:36:34
↑ 64↓ 500.2%
21M
8:26/mi
2:45:00
↑ 106↓ 241.6%
35K· 21.75 mi
7:41/mi
2:50:45
↑ 17↓ 861.7%
23M
7:58/mi
3:00:43
↑ 23↓ 630.6%
24M
7:53/mi
3:08:36
↓ 821.3%
40K· 24.85 mi
8:05/mi
3:15:31
↓ 200.3%
25.2M
8:42/mi
3:18:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:26:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:45
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:44:42
Pace7:59 /mi
📊Positive Split: 2.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5723:537:4123:53
7:41
-
10K
6.21 mi11:16:0548:017:4424:08
7:46
+0:05
15K
9.32 mi11:40:101:12:067:4424:05
7:45
-0:01
20K
12.43 mi12:04:241:36:207:4524:14
7:48
+0:03
Half
13.11 mi12:09:491:41:457:465:25
7:56
+0:08
25K
15.53 mi12:28:562:00:527:4719:07
7:53
-0:03
30K
18.64 mi12:53:412:25:377:4924:45
7:58
+0:05
20M
20.00 mi13:04:382:36:347:5010:57
8:03
+0:05
21M
21.00 mi13:13:042:45:007:518:26
8:26
+0:23
35K
21.75 mi13:18:492:50:457:515:45
7:41
-0:45
23M
23.00 mi13:28:473:00:437:519:58
7:58
+0:17
24M
24.00 mi13:36:403:08:367:527:53
7:53
-0:05
40K
24.85 mi13:43:353:15:317:526:55
8:05
+0:12
25.2M
25.20 mi13:46:353:18:317:533:00
8:42
+0:37
Finish
26.22 mi13:54:313:26:277:537:56
7:47
-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

7:41 /mi

Average Pace

7:53 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:23:27

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:52 /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 mi10:51:5723:537:4123:53
7:41
#11347
10K
6.21 mi11:16:0548:017:4424:08
7:46
#12084
15K
9.32 mi11:40:101:12:067:4424:05
7:45
#12115
20K
12.43 mi12:04:241:36:207:4524:14
7:48
#11980
Half
13.11 mi12:09:491:41:457:465:25
7:56
#12075
25K
15.53 mi12:28:562:00:527:4719:07
7:53
#12014
30K
18.64 mi12:53:412:25:377:4924:45
7:58
#11718
20M
20.00 mi13:04:382:36:347:5010:57
8:03
#11614
21M
21.00 mi13:13:042:45:007:518:26
8:26
#11494
35K
21.75 mi13:18:492:50:457:515:45
7:41
#11404
23M
23.00 mi13:28:473:00:437:519:58
7:58
#11270
24M
24.00 mi13:36:403:08:367:527:53
7:53
#11229
40K
24.85 mi13:43:353:15:317:526:55
8:05
#11177
25.2M
25.20 mi13:46:353:18:317:533:00
8:42
#11154
Finish
26.22 mi13:54:313:26:277:537:56
7:47
#11117
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi113472512251212321(Top 46%)3088(Top 27%)3088(Top 63%)
10K6.21 mi3.10 mi12084-7372903-3912903-39112853(Top 48%)3342(Top 29%)3342(Top 68%)
15K9.32 mi3.11 mi12115-312959-562959-5612321(Top 46%)3088(Top 27%)3088(Top 63%)
20K12.43 mi3.11 mi11980+1352902+572902+5711760(Top 44%)2823(Top 25%)2823(Top 58%)
Half13.11 mi0.68 mi12075-952963-612963-6113882(Top 52%)3991(Top 35%)3991(Top 82%)
25K15.53 mi2.42 mi12014+612949+142949+1411800(Top 44%)2953(Top 26%)2953(Top 60%)
30K18.64 mi3.11 mi11718+2962819+1302819+13010632(Top 40%)2463(Top 22%)2463(Top 50%)
20M20.00 mi1.36 mi11614+1042777+422777+4210731(Top 40%)2599(Top 23%)2599(Top 53%)
21M21.00 mi1.00 mi11494+1202724+532724+5310102(Top 38%)2435(Top 21%)2435(Top 50%)
35K21.75 mi0.75 mi11404+902692+322692+329883(Top 37%)2308(Top 20%)2308(Top 47%)
23M23.00 mi1.25 mi11270+1342642+502642+509513(Top 36%)2278(Top 20%)2278(Top 47%)
24M24.00 mi1.00 mi11229+412642264210431(Top 39%)2797(Top 24%)2797(Top 57%)
40K24.85 mi0.85 mi11177+522638+42638+410662(Top 40%)2966(Top 26%)2966(Top 61%)
25.2M25.20 mi0.35 mi11154+232643-52643-510802(Top 41%)3076(Top 27%)3076(Top 63%)
Finish26.22 mi1.02 mi11117+372650-72650-710595(Top 40%)2987(Top 26%)2987(Top 61%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 46%
×21story building
+97ft-345ft

Overall

12321

Females

3088

F18-39

3088

5K→10K

3.1 - 6.2 mi

Top 48%
×5story building
+79ft-138ft

Overall

12853

Females

3342

F18-39

3342

10K→15K

6.2 - 9.3 mi

Top 46%
×3story building
+67ft-78ft

Overall

12321

Females

3088

F18-39

3088

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

11760

Females

2823

F18-39

2823

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13882

Females

3991

F18-39

3991

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11800

Females

2953

F18-39

2953

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

10632

Females

2463

F18-39

2463

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10731

Females

2599

F18-39

2599

20M→21M

20.0 - 21.0 mi

Top 38%
×8story building
+106ft-24ft

Overall

10102

Females

2435

F18-39

2435

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9883

Females

2308

F18-39

2308

35K→23M

21.8 - 23.0 mi

Top 36%
×5story building
+23ft-63ft

Overall

9513

Females

2278

F18-39

2278

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10431

Females

2797

F18-39

2797

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10662

Females

2966

F18-39

2966

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10802

Females

3076

F18-39

3076

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10595

Females

2987

F18-39

2987

Passing Analysis

Category:
Athletes Passed
1895
Passed By
1665
Net Change
+230
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11347
5K → 10K87824-737#11347#12084
10K → 15K188219-31#12084#12115
15K → 20K236101+135#12115#11980
20K → Half5100-95#11980#12075
Half → 25K15493+61#12075#12014
25K → 30K34549+296#12014#11718
30K → 20M14339+104#11718#11614
20M → 21M16040+120#11614#11494
21M → 35K10212+90#11494#11404
35K → 23M16733+134#11404#11270
23M → 24M8746+41#11270#11229
24M → 40K8432+52#11229#11177
40K → 25.2M4825+23#11177#11154
25.2M → Finish8952+37#11154#11117
TOTALS18951665+230
📊

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