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BOSTON MARATHON 2023

Kerry Lannert

Bib: 19686•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 47%
Masters (Masters Women)
#0 / 6539
Top 35%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:08
Rank: #16973
Start → 5K
26:08 | 8:25/mi
10K· 6.21 mi
52:10
Rank: #17183 (-210)
5K → 10K
26:02 | 8:23/mi
15K· 9.32 mi
1:18:18
Rank: #17202 (-19)
10K → 15K
26:08 | 8:25/mi
20K· 12.43 mi
1:44:59
Rank: #17234 (-32)
15K → 20K
26:41 | 8:35/mi
Half· 13.11 mi
1:50:32
Rank: #17148 (+86)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:10:37
Rank: #16792 (+356)
Half → 25K
20:05 | 8:17/mi
30K· 18.64 mi
2:38:03
Rank: #16645 (+147)
25K → 30K
27:26 | 8:50/mi
20M
2:50:10
Rank: #16586 (+59)
30K → 20M
12:07 | 8:55/mi
21M
2:59:39
Rank: #16517 (+69)
20M → 21M
9:29 | 9:29/mi
35K· 21.75 mi
3:05:31
Rank: #16330 (+187)
21M → 35K
5:52 | 7:51/mi
23M
3:16:13
Rank: #16147 (+183)
35K → 23M
10:42 | 8:33/mi
24M
3:24:28
Rank: #16003 (+144)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:31:45
Rank: #15900 (+103)
24M → 40K
7:17 | 8:31/mi
25.2M
3:34:57
Rank: #15848 (+52)
40K → 25.2M
3:12 | 9:17/mi
Finish· 26.22 mi
3:43:12
Rank: #15722 (+126)
25.2M → Finish
8:15 | 8:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:32
Pace8:26 /mi
2nd Half
Distance13.11 mi
Time1:52:40
Pace8:36 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:5426:088:2526:08
8:25
-
10K
6.21 mi11:45:5652:108:2426:02
8:23
-0:02
15K
9.32 mi12:12:041:18:188:2426:08
8:25
+0:02
20K
12.43 mi12:38:451:44:598:2726:41
8:35
+0:10
Half
13.11 mi12:44:181:50:328:265:33
8:08
-0:27
25K
15.53 mi13:04:232:10:378:2420:05
8:17
+0:09
30K
18.64 mi13:31:492:38:038:2927:26
8:50
+0:33
20M
20.00 mi13:43:562:50:108:3012:07
8:55
+0:05
21M
21.00 mi13:53:252:59:398:339:29
9:29
+0:34
35K
21.75 mi13:59:173:05:318:325:52
7:51
-1:38
23M
23.00 mi14:09:593:16:138:3210:42
8:33
+0:42
24M
24.00 mi14:18:143:24:288:318:15
8:15
-0:18
40K
24.85 mi14:25:313:31:458:317:17
8:31
+0:16
25.2M
25.20 mi14:28:433:34:578:323:12
9:17
+0:46
Finish
26.22 mi14:36:583:43:128:318:15
8:06
-1:11

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

7:51 /mi

Average Pace

8:31 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

19:40

9% of race

Time at Steady Pace

2:31:18

68% of race

Time at Slower Pace

52:14

23% of race

Average Pace: 8:31 /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 mi11:19:5426:088:2526:08
8:25
#16973
10K
6.21 mi11:45:5652:108:2426:02
8:23
#17183
15K
9.32 mi12:12:041:18:188:2426:08
8:25
#17202
20K
12.43 mi12:38:451:44:598:2726:41
8:35
#17234
Half
13.11 mi12:44:181:50:328:265:33
8:08
#17148
25K
15.53 mi13:04:232:10:378:2420:05
8:17
#16792
30K
18.64 mi13:31:492:38:038:2927:26
8:50
#16645
20M
20.00 mi13:43:562:50:108:3012:07
8:55
#16586
21M
21.00 mi13:53:252:59:398:339:29
9:29
#16517
35K
21.75 mi13:59:173:05:318:325:52
7:51
#16330
23M
23.00 mi14:09:593:16:138:3210:42
8:33
#16147
24M
24.00 mi14:18:143:24:288:318:15
8:15
#16003
40K
24.85 mi14:25:313:31:458:317:17
8:31
#15900
25.2M
25.20 mi14:28:433:34:578:323:12
9:17
#15848
Finish
26.22 mi14:36:583:43:128:318:15
8:06
#15722
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi169735912591217228(Top 65%)6059(Top 53%)6059(Top 323%)
10K6.21 mi3.10 mi17183-2106041-1296041-12917456(Top 66%)6154(Top 54%)6154(Top 328%)
15K9.32 mi3.11 mi17202-196033+86033+817228(Top 65%)6059(Top 53%)6059(Top 323%)
20K12.43 mi3.11 mi17234-326068-356068-3517421(Top 65%)6174(Top 54%)6174(Top 329%)
Half13.11 mi0.68 mi17148+866012+566012+5615397(Top 58%)4931(Top 43%)4931(Top 263%)
25K15.53 mi2.42 mi16792+3565831+1815831+18114868(Top 56%)4750(Top 42%)4750(Top 253%)
30K18.64 mi3.11 mi16645+1475775+565775+5616246(Top 61%)5637(Top 49%)5637(Top 300%)
20M20.00 mi1.36 mi16586+595749+265749+2616101(Top 60%)5624(Top 49%)5624(Top 299%)
21M21.00 mi1.00 mi16517+695718+315718+3115903(Top 60%)5574(Top 49%)5574(Top 297%)
35K21.75 mi0.75 mi16330+1875619+995619+9911035(Top 41%)2912(Top 25%)2912(Top 155%)
23M23.00 mi1.25 mi16147+1835534+855534+8513533(Top 51%)4364(Top 38%)4364(Top 232%)
24M24.00 mi1.00 mi16003+1445471+635471+6312988(Top 49%)4140(Top 36%)4140(Top 220%)
40K24.85 mi0.85 mi15900+1035420+515420+5113511(Top 51%)4488(Top 39%)4488(Top 239%)
25.2M25.20 mi0.35 mi15848+525393+275393+2714162(Top 53%)4846(Top 42%)4846(Top 258%)
Finish26.22 mi1.02 mi15722+1265327+665327+6612792(Top 48%)4116(Top 36%)4116(Top 219%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17228

Females

6059

F40-44

6059

5K→10K

3.1 - 6.2 mi

Top 66%
×5stories
+79ft-138ft

Overall

17456

Females

6154

F40-44

6154

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17228

Females

6059

F40-44

6059

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17421

Females

6174

F40-44

6174

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15397

Females

4931

F40-44

4931

Half→25K

13.1 - 15.5 mi

Top 56%
×4stories
+66ft-88ft

Overall

14868

Females

4750

F40-44

4750

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

16246

Females

5637

F40-44

5637

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16101

Females

5624

F40-44

5624

20M→21M

20.0 - 21.0 mi

Top 60%
×8stories
+106ft-24ft

Overall

15903

Females

5574

F40-44

5574

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

11035

Females

2912

F40-44

2912

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13533

Females

4364

F40-44

4364

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12988

Females

4140

F40-44

4140

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13511

Females

4488

F40-44

4488

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

14162

Females

4846

F40-44

4846

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12792

Females

4116

F40-44

4116

Passing Analysis

Category:
Athletes Passed
2344
Passed By
1093
Net Change
+1251
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16973
5K → 10K223433-210#16973#17183
10K → 15K183202-19#17183#17202
15K → 20K160192-32#17202#17234
20K → Half904+86#17234#17148
Half → 25K3626+356#17148#16792
25K → 30K24396+147#16792#16645
30K → 20M11556+59#16645#16586
20M → 21M12152+69#16586#16517
21M → 35K1892+187#16517#16330
35K → 23M19613+183#16330#16147
23M → 24M1495+144#16147#16003
24M → 40K12017+103#16003#15900
40K → 25.2M586+52#15900#15848
25.2M → Finish1359+126#15848#15722
TOTALS23441093+1251
📊

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