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BOSTON MARATHON 2023

Kelly Johnson

Bib: 16150•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 48%
Masters (Masters Women)
#0 / 6539
Top 38%
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
24:23
Rank: #12850
Start → 5K
24:23 | 7:51/mi
10K· 6.21 mi
48:29
Rank: #12732 (+118)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:12:49
Rank: #12808 (-76)
10K → 15K
24:20 | 7:50/mi
20K· 12.43 mi
1:37:46
Rank: #13021 (-213)
15K → 20K
24:57 | 8:02/mi
Half· 13.11 mi
1:43:14
Rank: #13089 (-68)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:15
Rank: #13861 (-772)
Half → 25K
21:01 | 8:40/mi
30K· 18.64 mi
2:33:41
Rank: #15099 (-1238)
25K → 30K
29:26 | 9:28/mi
20M
2:46:01
Rank: #15238 (-139)
30K → 20M
12:20 | 9:05/mi
21M
2:55:50
Rank: #15343 (-105)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:02:47
Rank: #15527 (-184)
21M → 35K
6:57 | 9:17/mi
23M
3:14:27
Rank: #15645 (-118)
35K → 23M
11:40 | 9:19/mi
24M
3:23:41
Rank: #15796 (-151)
23M → 24M
9:14 | 9:14/mi
40K· 24.85 mi
3:32:09
Rank: #15995 (-199)
24M → 40K
8:28 | 9:54/mi
25.2M
3:35:35
Rank: #16019 (-24)
40K → 25.2M
3:26 | 9:57/mi
Finish· 26.22 mi
3:44:37
Rank: #16082 (-63)
25.2M → Finish
9:02 | 8:52/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:14
Pace7:52 /mi
2nd Half
Distance13.11 mi
Time2:01:23
Pace9:16 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:4124:237:5124:23
7:51
-
10K
6.21 mi11:38:4748:297:4824:06
7:45
-0:06
15K
9.32 mi12:03:071:12:497:4924:20
7:50
+0:05
20K
12.43 mi12:28:041:37:467:5224:57
8:02
+0:12
Half
13.11 mi12:33:321:43:147:525:28
8:01
-0:01
25K
15.53 mi12:54:332:04:158:0021:01
8:40
+0:39
30K
18.64 mi13:23:592:33:418:1529:26
9:28
+0:48
20M
20.00 mi13:36:192:46:018:1812:20
9:05
-0:23
21M
21.00 mi13:46:082:55:508:229:49
9:49
+0:44
35K
21.75 mi13:53:053:02:478:246:57
9:17
-0:32
23M
23.00 mi14:04:453:14:278:2711:40
9:19
+0:02
24M
24.00 mi14:13:593:23:418:299:14
9:14
-0:05
40K
24.85 mi14:22:273:32:098:328:28
9:54
+0:40
25.2M
25.20 mi14:25:533:35:358:333:26
9:57
+0:03
Finish
26.22 mi14:34:553:44:378:349:02
8:52
-1:05

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

7:45 /mi

Average Pace

8:34 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:15

55% of race

Time at Steady Pace

1:18:39

35% of race

Time at Slower Pace

21:43

10% of race

Average Pace: 8:34 /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 mi11:14:4124:237:5124:23
7:51
#12850
10K
6.21 mi11:38:4748:297:4824:06
7:45
#12732
15K
9.32 mi12:03:071:12:497:4924:20
7:50
#12808
20K
12.43 mi12:28:041:37:467:5224:57
8:02
#13021
Half
13.11 mi12:33:321:43:147:525:28
8:01
#13089
25K
15.53 mi12:54:332:04:158:0021:01
8:40
#13861
30K
18.64 mi13:23:592:33:418:1529:26
9:28
#15099
20M
20.00 mi13:36:192:46:018:1812:20
9:05
#15238
21M
21.00 mi13:46:082:55:508:229:49
9:49
#15343
35K
21.75 mi13:53:053:02:478:246:57
9:17
#15527
23M
23.00 mi14:04:453:14:278:2711:40
9:19
#15645
24M
24.00 mi14:13:593:23:418:299:14
9:14
#15796
40K
24.85 mi14:22:273:32:098:328:28
9:54
#15995
25.2M
25.20 mi14:25:533:35:358:333:26
9:57
#16019
Finish
26.22 mi14:34:553:44:378:349:02
8:52
#16082
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi128503356335613007(Top 49%)3485(Top 31%)3485(Top 186%)
10K6.21 mi3.10 mi12732+1183280+763280+7612764(Top 48%)3297(Top 29%)3297(Top 176%)
15K9.32 mi3.11 mi12808-763343-633343-6313007(Top 49%)3485(Top 31%)3485(Top 186%)
20K12.43 mi3.11 mi13021-2133497-1543497-15413714(Top 52%)3948(Top 35%)3948(Top 210%)
Half13.11 mi0.68 mi13089-683538-413538-4114586(Top 55%)4455(Top 39%)4455(Top 237%)
25K15.53 mi2.42 mi13861-7724031-4934031-49317209(Top 65%)6118(Top 54%)6118(Top 326%)
30K18.64 mi3.11 mi15099-12384820-7894820-78919334(Top 73%)7380(Top 65%)7380(Top 393%)
20M20.00 mi1.36 mi15238-1394935-1154935-11516933(Top 64%)6113(Top 54%)6113(Top 326%)
21M21.00 mi1.00 mi15343-1055021-865021-8617329(Top 65%)6386(Top 56%)6386(Top 340%)
35K21.75 mi0.75 mi15527-1845152-1315152-13119111(Top 72%)7441(Top 65%)7441(Top 396%)
23M23.00 mi1.25 mi15645-1185253-1015253-10117606(Top 66%)6630(Top 58%)6630(Top 353%)
24M24.00 mi1.00 mi15796-1515358-1055358-10518190(Top 68%)6997(Top 61%)6997(Top 373%)
40K24.85 mi0.85 mi15995-1995475-1175475-11719700(Top 74%)7886(Top 69%)7886(Top 420%)
25.2M25.20 mi0.35 mi16019-245490-155490-1517216(Top 65%)6542(Top 57%)6542(Top 348%)
Finish26.22 mi1.02 mi16082-635536-465536-4617351(Top 65%)6559(Top 57%)6559(Top 349%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21stories
+97ft-345ft

Overall

13007

Females

3485

F40-44

3485

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12764

Females

3297

F40-44

3297

10K→15K

6.2 - 9.3 mi

Top 49%
×3stories
+67ft-78ft

Overall

13007

Females

3485

F40-44

3485

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13714

Females

3948

F40-44

3948

20K→Half

12.4 - 13.1 mi

Top 55%
×2stories
+19ft-37ft

Overall

14586

Females

4455

F40-44

4455

Half→25K

13.1 - 15.5 mi

Top 65%
×4stories
+66ft-88ft

Overall

17209

Females

6118

F40-44

6118

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19334

Females

7380

F40-44

7380

30K→20M

18.6 - 20.0 mi

Top 64%
×5stories
+64ft-50ft

Overall

16933

Females

6113

F40-44

6113

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17329

Females

6386

F40-44

6386

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19111

Females

7441

F40-44

7441

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17606

Females

6630

F40-44

6630

23M→24M

23.0 - 24.0 mi

Top 68%
×6stories
+12ft-82ft

Overall

18190

Females

6997

F40-44

6997

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19700

Females

7886

F40-44

7886

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17216

Females

6542

F40-44

6542

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

17351

Females

6559

F40-44

6559

Passing Analysis

Category:
Athletes Passed
1008
Passed By
4240
Net Change
-3232
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12850
5K → 10K374256+118#12850#12732
10K → 15K170246-76#12732#12808
15K → 20K127340-213#12808#13021
20K → Half1179-68#13021#13089
Half → 25K29801-772#13089#13861
25K → 30K181256-1238#13861#15099
30K → 20M38177-139#15099#15238
20M → 21M58163-105#15238#15343
21M → 35K14198-184#15343#15527
35K → 23M53171-118#15527#15645
23M → 24M32183-151#15645#15796
24M → 40K20219-199#15796#15995
40K → 25.2M2347-24#15995#16019
25.2M → Finish41104-63#16019#16082
TOTALS10084240-3232
📊

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