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BOSTON MARATHON 2023

Kelly Johnson

Bib: 11003•F

CO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 9%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:08
Rank: #7045
Start → 5K
22:08 | 7:07/mi
10K· 6.21 mi
43:55
Rank: #6908 (+137)
5K → 10K
21:47 | 7:01/mi
15K· 9.32 mi
1:05:39
Rank: #6751 (+157)
10K → 15K
21:44 | 7:00/mi
20K· 12.43 mi
1:27:38
Rank: #6651 (+100)
15K → 20K
21:59 | 7:05/mi
Half· 13.11 mi
1:32:25
Rank: #6643 (+8)
20K → Half
4:47 | 7:01/mi
25K· 15.53 mi
1:49:36
Rank: #6529 (+114)
Half → 25K
17:11 | 7:05/mi
30K· 18.64 mi
2:12:03
Rank: #6317 (+212)
25K → 30K
22:27 | 7:14/mi
20M
2:21:50
Rank: #6193 (+124)
30K → 20M
9:47 | 7:12/mi
21M
2:29:22
Rank: #6083 (+110)
20M → 21M
7:32 | 7:32/mi
35K· 21.75 mi
2:34:38
Rank: #6021 (+62)
21M → 35K
5:16 | 7:02/mi
23M
2:43:48
Rank: #5938 (+83)
35K → 23M
9:10 | 7:19/mi
24M
2:51:04
Rank: #5894 (+44)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:57:19
Rank: #5840 (+54)
24M → 40K
6:15 | 7:19/mi
25.2M
3:00:03
Rank: #5826 (+14)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
3:07:21
Rank: #5779 (+47)
25.2M → Finish
7:18 | 7:10/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:25
Pace7:03 /mi
2nd Half
Distance13.11 mi
Time1:34:56
Pace7:15 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5422:087:0722:08
7:07
-
10K
6.21 mi11:10:4143:557:0421:47
7:01
-0:06
15K
9.32 mi11:32:251:05:397:0321:44
7:00
-0:01
20K
12.43 mi11:54:241:27:387:0321:59
7:05
+0:05
Half
13.11 mi11:59:111:32:257:034:47
7:01
-0:04
25K
15.53 mi12:16:221:49:367:0317:11
7:05
+0:04
30K
18.64 mi12:38:492:12:037:0522:27
7:14
+0:09
20M
20.00 mi12:48:362:21:507:059:47
7:12
-0:02
21M
21.00 mi12:56:082:29:227:077:32
7:32
+0:20
35K
21.75 mi13:01:242:34:387:075:16
7:02
-0:30
23M
23.00 mi13:10:342:43:487:079:10
7:19
+0:17
24M
24.00 mi13:17:502:51:047:087:16
7:16
-0:03
40K
24.85 mi13:24:052:57:197:086:15
7:19
+0:03
25.2M
25.20 mi13:26:493:00:037:092:44
7:56
+0:37
Finish
26.22 mi13:34:073:07:217:097:18
7:10
-0:46

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

7:00 /mi

Average Pace

7:09 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:04:37

99% of race

Time at Steady Pace

2:44

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:09 /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 mi10:48:5422:087:0722:08
7:07
#7045
10K
6.21 mi11:10:4143:557:0421:47
7:01
#6908
15K
9.32 mi11:32:251:05:397:0321:44
7:00
#6751
20K
12.43 mi11:54:241:27:387:0321:59
7:05
#6651
Half
13.11 mi11:59:111:32:257:034:47
7:01
#6643
25K
15.53 mi12:16:221:49:367:0317:11
7:05
#6529
30K
18.64 mi12:38:492:12:037:0522:27
7:14
#6317
20M
20.00 mi12:48:362:21:507:059:47
7:12
#6193
21M
21.00 mi12:56:082:29:227:077:32
7:32
#6083
35K
21.75 mi13:01:242:34:387:075:16
7:02
#6021
23M
23.00 mi13:10:342:43:487:079:10
7:19
#5938
24M
24.00 mi13:17:502:51:047:087:16
7:16
#5894
40K
24.85 mi13:24:052:57:197:086:15
7:19
#5840
25.2M
25.20 mi13:26:493:00:037:092:44
7:56
#5826
Finish
26.22 mi13:34:073:07:217:097:18
7:10
#5779
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi70457297296539(Top 25%)642(Top 6%)642(Top 13%)
10K6.21 mi3.10 mi6908+137702+27702+276915(Top 26%)731(Top 6%)731(Top 15%)
15K9.32 mi3.11 mi6751+157674+28674+286539(Top 25%)642(Top 6%)642(Top 13%)
20K12.43 mi3.11 mi6651+100667+7667+76433(Top 24%)633(Top 6%)633(Top 13%)
Half13.11 mi0.68 mi6643+8668-1668-16647(Top 25%)659(Top 6%)659(Top 13%)
25K15.53 mi2.42 mi6529+114647+21647+216055(Top 23%)564(Top 5%)564(Top 12%)
30K18.64 mi3.11 mi6317+212610+37610+375641(Top 21%)533(Top 5%)533(Top 11%)
20M20.00 mi1.36 mi6193+124590+20590+205124(Top 19%)483(Top 4%)483(Top 10%)
21M21.00 mi1.00 mi6083+110572+18572+184768(Top 18%)461(Top 4%)461(Top 9%)
35K21.75 mi0.75 mi6021+62567+5567+55591(Top 21%)641(Top 6%)641(Top 13%)
23M23.00 mi1.25 mi5938+83562+5562+55448(Top 20%)647(Top 6%)647(Top 13%)
24M24.00 mi1.00 mi5894+44561+1561+16167(Top 23%)959(Top 8%)959(Top 20%)
40K24.85 mi0.85 mi5840+54557+4557+45540(Top 21%)816(Top 7%)816(Top 17%)
25.2M25.20 mi0.35 mi5826+14560-3560-36130(Top 23%)1080(Top 9%)1080(Top 22%)
Finish26.22 mi1.02 mi5779+47562-2562-26201(Top 23%)1125(Top 10%)1125(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

6539

Females

642

F18-39

642

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

6915

Females

731

F18-39

731

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

6539

Females

642

F18-39

642

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6433

Females

633

F18-39

633

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6647

Females

659

F18-39

659

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6055

Females

564

F18-39

564

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5641

Females

533

F18-39

533

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

5124

Females

483

F18-39

483

20M→21M

20.0 - 21.0 mi

Top 18%
×8stories
+106ft-24ft

Overall

4768

Females

461

F18-39

461

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5591

Females

641

F18-39

641

35K→23M

21.8 - 23.0 mi

Top 20%
×5stories
+23ft-63ft

Overall

5448

Females

647

F18-39

647

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

6167

Females

959

F18-39

959

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5540

Females

816

F18-39

816

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6130

Females

1080

F18-39

1080

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6201

Females

1125

F18-39

1125

Passing Analysis

Category:
Athletes Passed
1734
Passed By
468
Net Change
+1266
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7045
5K → 10K272135+137#7045#6908
10K → 15K21962+157#6908#6751
15K → 20K15555+100#6751#6651
20K → Half2113+8#6651#6643
Half → 25K14127+114#6643#6529
25K → 30K23523+212#6529#6317
30K → 20M14016+124#6317#6193
20M → 21M1144+110#6193#6083
21M → 35K7210+62#6083#6021
35K → 23M10724+83#6021#5938
23M → 24M7733+44#5938#5894
24M → 40K7016+54#5894#5840
40K → 25.2M3016+14#5840#5826
25.2M → Finish8134+47#5826#5779
TOTALS1734468+1266
📊

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