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BOSTON MARATHON 2023

Kimberly Carroll

MA

Bib: 16221 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 27%
Gender (Female)
#0 / 11423
Top 9%
Division (F18-39)
#0 / 4884
Top 17%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:28/mi
23:13
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:30/mi
46:31
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:31/mi
1:09:52
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:32/mi
1:33:15
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:26/mi
1:38:19
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:30/mi
1:56:29
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:19/mi
2:19:13
↑ 181↓ 1480.2%
138 ft elev
20M
7:16/mi
2:29:06
↑ 64↓ 500.2%
148 ft elev
21M
7:30/mi
2:36:36
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:57/mi
2:41:48
↑ 17↓ 861.7%
156 ft elev
23M
7:10/mi
2:50:47
↑ 23↓ 630.6%
116 ft elev
24M
7:02/mi
2:57:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:08/mi
3:03:55
↓ 200.3%
20 ft elev
25.2M
7:35/mi
3:06:32
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:55/mi
3:13:35
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:38:19
Pace7:30 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:35:16
Pace7:16 /mi
📊Negative Split: 3.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1623:137:2823:13
7:28
-
10K
6.21 mi11:36:3446:317:2923:18
7:30
+0:02
15K
9.32 mi11:59:551:09:527:3023:21
7:31
+0:01
20K
12.43 mi12:23:181:33:157:3023:23
7:32
+0:01
Half
13.11 mi12:28:221:38:197:305:04
7:26
-0:06
25K
15.53 mi12:46:321:56:297:3018:10
7:30
+0:04
30K
18.64 mi13:09:162:19:137:2822:44
7:19
-0:11
20M
20.00 mi13:19:092:29:067:279:53
7:16
-0:03
21M
21.00 mi13:26:392:36:367:277:30
7:30
+0:14
35K
21.75 mi13:31:512:41:487:265:12
6:57
-0:33
23M
23.00 mi13:40:502:50:477:268:59
7:10
+0:13
24M
24.00 mi13:47:522:57:497:257:02
7:02
-0:08
40K
24.85 mi13:53:583:03:557:246:06
7:08
+0:06
25.2M
25.20 mi13:56:353:06:327:242:37
7:35
+0:27
Finish
26.22 mi14:03:383:13:357:237:03
6:55
-0:40

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

6:55 /mi

Average Pace

7:23 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:22

18% of race

Time at Steady Pace

2:39:13

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:23 /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 mi11:13:1623:137:2823:13
7:28
#9397
10K
6.21 mi11:36:3446:317:2923:18
7:30
#9892
15K
9.32 mi11:59:551:09:527:3023:21
7:31
#10004
20K
12.43 mi12:23:181:33:157:3023:23
7:32
#9860
Half
13.11 mi12:28:221:38:197:305:04
7:26
#9839
25K
15.53 mi12:46:321:56:297:3018:10
7:30
#9636
30K
18.64 mi13:09:162:19:137:2822:44
7:19
#8902
20M
20.00 mi13:19:092:29:067:279:53
7:16
#8602
21M
21.00 mi13:26:392:36:367:277:30
7:30
#8321
35K
21.75 mi13:31:512:41:487:265:12
6:57
#8167
23M
23.00 mi13:40:502:50:477:268:59
7:10
#7893
24M
24.00 mi13:47:522:57:497:257:02
7:02
#7690
40K
24.85 mi13:53:583:03:557:246:06
7:08
#7541
25.2M
25.20 mi13:56:353:06:327:242:37
7:35
#7473
Finish
26.22 mi14:03:383:13:357:237:03
6:55
#7316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi93971575157510308(Top 39%)1980(Top 17%)1980(Top 41%)
10K6.21 mi3.10 mi9892-4951789-2141789-21410442(Top 39%)2019(Top 18%)2019(Top 41%)
15K9.32 mi3.11 mi10004-1121827-381827-3810308(Top 39%)1980(Top 17%)1980(Top 41%)
20K12.43 mi3.11 mi9860+1441775+521775+529516(Top 36%)1690(Top 15%)1690(Top 35%)
Half13.11 mi0.68 mi9839+211762+131762+139635(Top 36%)1706(Top 15%)1706(Top 35%)
25K15.53 mi2.42 mi9636+2031702+601702+608740(Top 33%)1441(Top 13%)1441(Top 30%)
30K18.64 mi3.11 mi8902+7341446+2561446+2566135(Top 23%)667(Top 6%)667(Top 14%)
20M20.00 mi1.36 mi8602+3001354+921354+925521(Top 21%)581(Top 5%)581(Top 12%)
21M21.00 mi1.00 mi8321+2811276+781276+784616(Top 17%)429(Top 4%)429(Top 9%)
35K21.75 mi0.75 mi8167+1541230+461230+465116(Top 19%)542(Top 5%)542(Top 11%)
23M23.00 mi1.25 mi7893+2741142+881142+884701(Top 18%)465(Top 4%)465(Top 10%)
24M24.00 mi1.00 mi7690+2031086+561086+564863(Top 18%)538(Top 5%)538(Top 11%)
40K24.85 mi0.85 mi7541+1491061+251061+254592(Top 17%)542(Top 5%)542(Top 11%)
25.2M25.20 mi0.35 mi7473+681051+101051+104409(Top 17%)564(Top 5%)564(Top 12%)
Finish26.22 mi1.02 mi7316+1571021+301021+304771(Top 18%)656(Top 6%)656(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10308

Females

1980

F18-39

1980

5K→10K

3.1 - 6.2 mi

Top 39%
×5story building
+79ft-138ft

Overall

10442

Females

2019

F18-39

2019

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10308

Females

1980

F18-39

1980

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9516

Females

1690

F18-39

1690

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

9635

Females

1706

F18-39

1706

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

8740

Females

1441

F18-39

1441

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6135

Females

667

F18-39

667

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5521

Females

581

F18-39

581

20M→21M

20.0 - 21.0 mi

Top 17%
×8story building
+106ft-24ft

Overall

4616

Females

429

F18-39

429

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5116

Females

542

F18-39

542

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4701

Females

465

F18-39

465

23M→24M

23.0 - 24.0 mi

Top 18%
×6story building
+12ft-82ft

Overall

4863

Females

538

F18-39

538

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4592

Females

542

F18-39

542

40K→25.2M

24.9 - 25.2 mi

Top 17%
×1story
+13ft-16ft

Overall

4409

Females

564

F18-39

564

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

4771

Females

656

F18-39

656

Passing Analysis

Category:
Athletes Passed
3129*
Passed By
1046
Net Change
+2081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9397
5K → 10K130625-495#9397#9892
10K → 15K142252-112#9892#10004
15K → 20K247*103+144#10004#9860
20K → Half3615+21#9860#9839
Half → 25K23128+203#9839#9636
25K → 30K737*3+734#9636#8902
30K → 20M3000+300#8902#8602
20M → 21M2810+281#8602#8321
21M → 35K1540+154#8321#8167
35K → 23M2751+274#8167#7893
23M → 24M2074+203#7893#7690
24M → 40K1534+149#7690#7541
40K → 25.2M680+68#7541#7473
25.2M → Finish16811+157#7473#7316
TOTALS3129*1046+2081

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

📊

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