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BOSTON MARATHON 2023

Kimberly Mealiff

Bib: 18279•F

OH

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 46%
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
8:58/mi
27:51
↑ 97↓ 3451.5%
10K· 6.21 mi
8:23/mi
53:55
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:19:25
↑ 67↓ 78
20K· 12.43 mi
8:09/mi
1:44:43
↑ 106↓ 860.1%
Half· 13.11 mi
7:59/mi
1:50:10
↑ 19↓ 370.5%
25K· 15.53 mi
7:59/mi
2:09:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:33/mi
2:36:05
↑ 181↓ 1480.2%
20M
8:38/mi
2:47:49
↑ 64↓ 500.2%
21M
10:08/mi
2:57:57
↑ 106↓ 241.6%
35K· 21.75 mi
8:41/mi
3:04:27
↑ 17↓ 861.7%
23M
9:05/mi
3:15:50
↑ 23↓ 630.6%
24M
7:56/mi
3:23:46
↓ 821.3%
40K· 24.85 mi
8:16/mi
3:30:50
↓ 200.3%
25.2M
11:30/mi
3:34:48
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:43:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:10
Pace8:24 /mi
2nd Half
Distance13.11 mi
Time1:52:54
Pace8:37 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:4627:518:5827:51
8:58
-
10K
6.21 mi11:46:5053:558:4126:04
8:23
-0:35
15K
9.32 mi12:12:201:19:258:3125:30
8:12
-0:11
20K
12.43 mi12:37:381:44:438:2625:18
8:09
-0:03
Half
13.11 mi12:43:051:50:108:245:27
7:59
-0:10
25K
15.53 mi13:02:262:09:318:2019:21
7:59
0:00
30K
18.64 mi13:29:002:36:058:2226:34
8:33
+0:34
20M
20.00 mi13:40:442:47:498:2311:44
8:38
+0:05
21M
21.00 mi13:50:522:57:578:2810:08
10:08
+1:30
35K
21.75 mi13:57:223:04:278:296:30
8:41
-1:27
23M
23.00 mi14:08:453:15:508:3111:23
9:05
+0:24
24M
24.00 mi14:16:413:23:468:297:56
7:56
-1:09
40K
24.85 mi14:23:453:30:508:297:04
8:16
+0:20
25.2M
25.20 mi14:27:433:34:488:313:58
11:30
+3:14
Finish
26.22 mi14:35:593:43:048:318:16
8:07
-3:23

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

7:56 /mi

Average Pace

8:31 /mi

Slowest Pace

11:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:49:44

76% of race

Time at Slower Pace

53:20

24% of race

Average Pace: 8:30 /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 mi11:20:4627:518:5827:51
8:58
#20280
10K
6.21 mi11:46:5053:558:4126:04
8:23
#18983
15K
9.32 mi12:12:201:19:258:3125:30
8:12
#17969
20K
12.43 mi12:37:381:44:438:2625:18
8:09
#17120
Half
13.11 mi12:43:051:50:108:245:27
7:59
#16972
25K
15.53 mi13:02:262:09:318:2019:21
7:59
#16308
30K
18.64 mi13:29:002:36:058:2226:34
8:33
#15959
20M
20.00 mi13:40:442:47:498:2311:44
8:38
#15839
21M
21.00 mi13:50:522:57:578:2810:08
10:08
#16018
35K
21.75 mi13:57:223:04:278:296:30
8:41
#16023
23M
23.00 mi14:08:453:15:508:3111:23
9:05
#16047
24M
24.00 mi14:16:413:23:468:297:56
7:56
#15809
40K
24.85 mi14:23:453:30:508:297:04
8:16
#15657
25.2M
25.20 mi14:27:433:34:488:313:58
11:30
#15811
Finish
26.22 mi14:35:593:43:048:318:16
8:07
#15691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi202807987798715923(Top 60%)5249(Top 46%)5249(Top 107%)
10K6.21 mi3.10 mi18983+12977138+8497138+84917523(Top 66%)6191(Top 54%)6191(Top 127%)
15K9.32 mi3.11 mi17969+10146506+6326506+63215923(Top 60%)5249(Top 46%)5249(Top 107%)
20K12.43 mi3.11 mi17120+8496000+5066000+50614565(Top 55%)4445(Top 39%)4445(Top 91%)
Half13.11 mi0.68 mi16972+1485910+905910+9014386(Top 54%)4330(Top 38%)4330(Top 89%)
25K15.53 mi2.42 mi16308+6645516+3945516+39412616(Top 47%)3433(Top 30%)3433(Top 70%)
30K18.64 mi3.11 mi15959+3495344+1725344+17214633(Top 55%)4714(Top 41%)4714(Top 97%)
20M20.00 mi1.36 mi15839+1205305+395305+3914515(Top 55%)4717(Top 41%)4717(Top 97%)
21M21.00 mi1.00 mi16018-1795426-1215426-12118500(Top 69%)7051(Top 62%)7051(Top 144%)
35K21.75 mi0.75 mi16023-55448-225448-2216359(Top 61%)5908(Top 52%)5908(Top 121%)
23M23.00 mi1.25 mi16047-245484-365484-3616500(Top 62%)6018(Top 53%)6018(Top 123%)
24M24.00 mi1.00 mi15809+2385367+1175367+11710831(Top 41%)3010(Top 26%)3010(Top 62%)
40K24.85 mi0.85 mi15657+1525278+895278+8911851(Top 45%)3598(Top 31%)3598(Top 74%)
25.2M25.20 mi0.35 mi15811-1545375-975375-9721576(Top 81%)8891(Top 78%)8891(Top 182%)
Finish26.22 mi1.02 mi15691+1205306+695306+6912899(Top 48%)4170(Top 37%)4170(Top 85%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15923

Females

5249

F18-39

5249

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

17523

Females

6191

F18-39

6191

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15923

Females

5249

F18-39

5249

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14565

Females

4445

F18-39

4445

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

14386

Females

4330

F18-39

4330

Half→25K

13.1 - 15.5 mi

Top 47%
×4story building
+66ft-88ft

Overall

12616

Females

3433

F18-39

3433

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14633

Females

4714

F18-39

4714

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14515

Females

4717

F18-39

4717

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18500

Females

7051

F18-39

7051

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16359

Females

5908

F18-39

5908

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

16500

Females

6018

F18-39

6018

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10831

Females

3010

F18-39

3010

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11851

Females

3598

F18-39

3598

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21576

Females

8891

F18-39

8891

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12899

Females

4170

F18-39

4170

Passing Analysis

Category:
Athletes Passed
5256
Passed By
667
Net Change
+4589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20280
5K → 10K134346+1297#20280#18983
10K → 15K102612+1014#18983#17969
15K → 20K8501+849#17969#17120
20K → Half1480+148#17120#16972
Half → 25K6673+664#16972#16308
25K → 30K37829+349#16308#15959
30K → 20M15636+120#15959#15839
20M → 21M34213-179#15839#16018
21M → 35K5459-5#16018#16023
35K → 23M6993-24#16023#16047
23M → 24M2402+238#16047#15809
24M → 40K1575+152#15809#15657
40K → 25.2M3157-154#15657#15811
25.2M → Finish13111+120#15811#15691
TOTALS5256667+4589
📊

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