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BOSTON MARATHON 2023

Emily Bowe Johnson

Bib: 14097•F

NC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:11
Rank: #9323
Start → 5K
23:11 | 7:28/mi
10K· 6.21 mi
46:30
Rank: #9869 (-546)
5K → 10K
23:19 | 7:30/mi
15K· 9.32 mi
1:09:03
Rank: #9254 (+615)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:32:12
Rank: #9146 (+108)
15K → 20K
23:09 | 7:27/mi
Half· 13.11 mi
1:37:01
Rank: #9024 (+122)
20K → Half
4:49 | 7:04/mi
25K· 15.53 mi
1:54:49
Rank: #8780 (+244)
Half → 25K
17:48 | 7:20/mi
30K· 18.64 mi
2:18:18
Rank: #8517 (+263)
25K → 30K
23:29 | 7:34/mi
20M
2:28:27
Rank: #8339 (+178)
30K → 20M
10:09 | 7:28/mi
21M
2:36:16
Rank: #8209 (+130)
20M → 21M
7:49 | 7:49/mi
35K· 21.75 mi
2:41:41
Rank: #8132 (+77)
21M → 35K
5:25 | 7:14/mi
23M
2:51:27
Rank: #8116 (+16)
35K → 23M
9:46 | 7:48/mi
24M
2:59:00
Rank: #8070 (+46)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
3:06:05
Rank: #8212 (-142)
24M → 40K
7:05 | 8:17/mi
25.2M
3:08:53
Rank: #8187 (+25)
40K → 25.2M
2:48 | 8:07/mi
Finish· 26.22 mi
3:16:10
Rank: #8075 (+112)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:01
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1123:117:2823:11
7:28
-
10K
6.21 mi11:15:3046:307:2923:19
7:30
+0:02
15K
9.32 mi11:38:031:09:037:2522:33
7:15
-0:15
20K
12.43 mi12:01:121:32:127:2523:09
7:27
+0:12
Half
13.11 mi12:06:011:37:017:244:49
7:04
-0:23
25K
15.53 mi12:23:491:54:497:2317:48
7:20
+0:16
30K
18.64 mi12:47:182:18:187:2523:29
7:34
+0:14
20M
20.00 mi12:57:272:28:277:2510:09
7:28
-0:06
21M
21.00 mi13:05:162:36:167:267:49
7:49
+0:21
35K
21.75 mi13:10:412:41:417:265:25
7:14
-0:35
23M
23.00 mi13:20:272:51:277:279:46
7:48
+0:34
24M
24.00 mi13:28:002:59:007:287:33
7:33
-0:15
40K
24.85 mi13:35:053:06:057:297:05
8:17
+0:44
25.2M
25.20 mi13:37:533:08:537:302:48
8:07
-0:10
Finish
26.22 mi13:45:103:16:107:297:17
7:09
-0:58

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

7:04 /mi

Average Pace

7:29 /mi

Slowest Pace

8:17 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:42

86% of race

Time at Steady Pace

27:28

14% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi10:52:1123:117:2823:11
7:28
#9323
10K
6.21 mi11:15:3046:307:2923:19
7:30
#9869
15K
9.32 mi11:38:031:09:037:2522:33
7:15
#9254
20K
12.43 mi12:01:121:32:127:2523:09
7:27
#9146
Half
13.11 mi12:06:011:37:017:244:49
7:04
#9024
25K
15.53 mi12:23:491:54:497:2317:48
7:20
#8780
30K
18.64 mi12:47:182:18:187:2523:29
7:34
#8517
20M
20.00 mi12:57:272:28:277:2510:09
7:28
#8339
21M
21.00 mi13:05:162:36:167:267:49
7:49
#8209
35K
21.75 mi13:10:412:41:417:265:25
7:14
#8132
23M
23.00 mi13:20:272:51:277:279:46
7:48
#8116
24M
24.00 mi13:28:002:59:007:287:33
7:33
#8070
40K
24.85 mi13:35:053:06:057:297:05
8:17
#8212
25.2M
25.20 mi13:37:533:08:537:302:48
8:07
#8187
Finish
26.22 mi13:45:103:16:107:297:17
7:09
#8075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9323154315438247(Top 31%)1162(Top 10%)1162(Top 24%)
10K6.21 mi3.10 mi9869-5461777-2341777-23410485(Top 39%)2042(Top 18%)2042(Top 42%)
15K9.32 mi3.11 mi9254+6151523+2541523+2548247(Top 31%)1162(Top 10%)1162(Top 24%)
20K12.43 mi3.11 mi9146+1081491+321491+328933(Top 34%)1456(Top 13%)1456(Top 30%)
Half13.11 mi0.68 mi9024+1221454+371454+376986(Top 26%)770(Top 7%)770(Top 16%)
25K15.53 mi2.42 mi8780+2441368+861368+867579(Top 28%)1046(Top 9%)1046(Top 21%)
30K18.64 mi3.11 mi8517+2631307+611307+617649(Top 29%)1165(Top 10%)1165(Top 24%)
20M20.00 mi1.36 mi8339+1781270+371270+376624(Top 25%)903(Top 8%)903(Top 18%)
21M21.00 mi1.00 mi8209+1301233+371233+376289(Top 24%)881(Top 8%)881(Top 18%)
35K21.75 mi0.75 mi8132+771215+181215+186823(Top 26%)1041(Top 9%)1041(Top 21%)
23M23.00 mi1.25 mi8116+161228-131228-138437(Top 32%)1764(Top 15%)1764(Top 36%)
24M24.00 mi1.00 mi8070+461232-41232-48063(Top 30%)1696(Top 15%)1696(Top 35%)
40K24.85 mi0.85 mi8212-1421306-741306-7411919(Top 45%)3609(Top 32%)3609(Top 74%)
25.2M25.20 mi0.35 mi8187+251302+41302+47268(Top 27%)1512(Top 13%)1512(Top 31%)
Finish26.22 mi1.02 mi8075+1121283+191283+196128(Top 23%)1110(Top 10%)1110(Top 23%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 31%
×21stories
+97ft-345ft

Overall

8247

Females

1162

F18-39

1162

5K→10K

3.1 - 6.2 mi

Top 39%
×5stories
+79ft-138ft

Overall

10485

Females

2042

F18-39

2042

10K→15K

6.2 - 9.3 mi

Top 31%
×3stories
+67ft-78ft

Overall

8247

Females

1162

F18-39

1162

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

8933

Females

1456

F18-39

1456

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

6986

Females

770

F18-39

770

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7579

Females

1046

F18-39

1046

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

7649

Females

1165

F18-39

1165

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6624

Females

903

F18-39

903

20M→21M

20.0 - 21.0 mi

Top 24%
×8stories
+106ft-24ft

Overall

6289

Females

881

F18-39

881

21M→35K

21.0 - 21.8 mi

Top 26%
×7stories
+17ft-86ft

Overall

6823

Females

1041

F18-39

1041

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8437

Females

1764

F18-39

1764

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8063

Females

1696

F18-39

1696

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11919

Females

3609

F18-39

3609

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7268

Females

1512

F18-39

1512

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6128

Females

1110

F18-39

1110

Passing Analysis

Category:
Athletes Passed
2411
Passed By
1163
Net Change
+1248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9323
5K → 10K118664-546#9323#9869
10K → 15K62914+615#9869#9254
15K → 20K18981+108#9254#9146
20K → Half1220+122#9146#9024
Half → 25K25612+244#9024#8780
25K → 30K30340+263#8780#8517
30K → 20M19315+178#8517#8339
20M → 21M14717+130#8339#8209
21M → 35K8912+77#8209#8132
35K → 23M8468+16#8132#8116
23M → 24M8539+46#8116#8070
24M → 40K32174-142#8070#8212
40K → 25.2M3510+25#8212#8187
25.2M → Finish12917+112#8187#8075
TOTALS24111163+1248
📊

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