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BOSTON MARATHON 2023

Petra Johnson

Bib: 22372•F

ME

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 46%
Division (F55-59)
#0 / 815
Top 22%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:24
Rank: #19584
Start → 5K
27:24 | 8:49/mi
10K· 6.21 mi
54:56
Rank: #19894 (-310)
5K → 10K
27:32 | 8:52/mi
15K· 9.32 mi
1:22:47
Rank: #20043 (-149)
10K → 15K
27:51 | 8:58/mi
20K· 12.43 mi
1:50:09
Rank: #19659 (+384)
15K → 20K
27:22 | 8:49/mi
Half· 13.11 mi
1:56:03
Rank: #19613 (+46)
20K → Half
5:54 | 8:39/mi
25K· 15.53 mi
2:17:13
Rank: #19280 (+333)
Half → 25K
21:10 | 8:44/mi
30K· 18.64 mi
2:44:54
Rank: #18828 (+452)
25K → 30K
27:41 | 8:55/mi
20M
2:56:53
Rank: #18580 (+248)
30K → 20M
11:59 | 8:49/mi
21M
3:05:55
Rank: #18301 (+279)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
3:12:05
Rank: #18124 (+177)
21M → 35K
6:10 | 8:15/mi
23M
3:22:51
Rank: #17890 (+234)
35K → 23M
10:46 | 8:36/mi
24M
3:31:06
Rank: #17685 (+205)
23M → 24M
8:15 | 8:15/mi
40K· 24.85 mi
3:38:14
Rank: #17486 (+199)
24M → 40K
7:08 | 8:21/mi
25.2M
3:41:15
Rank: #17389 (+97)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:49:26
Rank: #17221 (+168)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:56:03
Pace8:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:23
Pace8:39 /mi
📊Negative Split: 2.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2727:248:4927:24
8:49
-
10K
6.21 mi11:48:5954:568:5027:32
8:52
+0:03
15K
9.32 mi12:16:501:22:478:5327:51
8:58
+0:06
20K
12.43 mi12:44:121:50:098:5227:22
8:49
-0:09
Half
13.11 mi12:50:061:56:038:515:54
8:39
-0:10
25K
15.53 mi13:11:162:17:138:5021:10
8:44
+0:05
30K
18.64 mi13:38:572:44:548:5127:41
8:55
+0:11
20M
20.00 mi13:50:562:56:538:5111:59
8:49
-0:06
21M
21.00 mi13:59:583:05:558:519:02
9:02
+0:13
35K
21.75 mi14:06:083:12:058:506:10
8:15
-0:47
23M
23.00 mi14:16:543:22:518:4910:46
8:36
+0:21
24M
24.00 mi14:25:093:31:068:488:15
8:15
-0:21
40K
24.85 mi14:32:173:38:148:477:08
8:21
+0:06
25.2M
25.20 mi14:35:183:41:158:473:01
8:45
+0:24
Finish
26.22 mi14:43:293:49:268:458:11
8:02
-0:43

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

8:02 /mi

Average Pace

8:45 /mi

Slowest Pace

9:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:17:20

60% of race

Time at Steady Pace

1:32:06

40% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:45 /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 mi11:21:2727:248:4927:24
8:49
#19584
10K
6.21 mi11:48:5954:568:5027:32
8:52
#19894
15K
9.32 mi12:16:501:22:478:5327:51
8:58
#20043
20K
12.43 mi12:44:121:50:098:5227:22
8:49
#19659
Half
13.11 mi12:50:061:56:038:515:54
8:39
#19613
25K
15.53 mi13:11:162:17:138:5021:10
8:44
#19280
30K
18.64 mi13:38:572:44:548:5127:41
8:55
#18828
20M
20.00 mi13:50:562:56:538:5111:59
8:49
#18580
21M
21.00 mi13:59:583:05:558:519:02
9:02
#18301
35K
21.75 mi14:06:083:12:058:506:10
8:15
#18124
23M
23.00 mi14:16:543:22:518:4910:46
8:36
#17890
24M
24.00 mi14:25:093:31:068:488:15
8:15
#17685
40K
24.85 mi14:32:173:38:148:477:08
8:21
#17486
25.2M
25.20 mi14:35:183:41:158:473:01
8:45
#17389
Finish
26.22 mi14:43:293:49:268:458:11
8:02
#17221
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi195847570757020350(Top 76%)7877(Top 69%)7877(Top 967%)
10K6.21 mi3.10 mi19894-3107707-1377707-13720247(Top 76%)7845(Top 69%)7845(Top 963%)
15K9.32 mi3.11 mi20043-1497766-597766-5920350(Top 76%)7877(Top 69%)7877(Top 967%)
20K12.43 mi3.11 mi19659+3847518+2487518+24818754(Top 70%)6945(Top 61%)6945(Top 852%)
Half13.11 mi0.68 mi19613+467490+287490+2818709(Top 70%)6919(Top 61%)6919(Top 849%)
25K15.53 mi2.42 mi19280+3337293+1977293+19717564(Top 66%)6323(Top 55%)6323(Top 776%)
30K18.64 mi3.11 mi18828+4527044+2497044+24916728(Top 63%)5911(Top 52%)5911(Top 725%)
20M20.00 mi1.36 mi18580+2486919+1256919+12515574(Top 59%)5330(Top 47%)5330(Top 654%)
21M21.00 mi1.00 mi18301+2796775+1446775+14413645(Top 51%)4300(Top 38%)4300(Top 528%)
35K21.75 mi0.75 mi18124+1776677+986677+9813829(Top 52%)4491(Top 39%)4491(Top 551%)
23M23.00 mi1.25 mi17890+2346550+1276550+12713827(Top 52%)4530(Top 40%)4530(Top 556%)
24M24.00 mi1.00 mi17685+2056442+1086442+10812998(Top 49%)4147(Top 36%)4147(Top 509%)
40K24.85 mi0.85 mi17486+1996336+1066336+10612405(Top 47%)3904(Top 34%)3904(Top 479%)
25.2M25.20 mi0.35 mi17389+976288+486288+4811164(Top 42%)3321(Top 29%)3321(Top 407%)
Finish26.22 mi1.02 mi17221+1686196+926196+9212387(Top 47%)3917(Top 34%)3917(Top 481%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20350

Females

7877

F55-59

7877

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20247

Females

7845

F55-59

7845

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20350

Females

7877

F55-59

7877

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18754

Females

6945

F55-59

6945

20K→Half

12.4 - 13.1 mi

Top 70%
×2stories
+19ft-37ft

Overall

18709

Females

6919

F55-59

6919

Half→25K

13.1 - 15.5 mi

Top 66%
×4stories
+66ft-88ft

Overall

17564

Females

6323

F55-59

6323

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16728

Females

5911

F55-59

5911

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

15574

Females

5330

F55-59

5330

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13645

Females

4300

F55-59

4300

21M→35K

21.0 - 21.8 mi

Top 52%
×7stories
+17ft-86ft

Overall

13829

Females

4491

F55-59

4491

35K→23M

21.8 - 23.0 mi

Top 52%
×5stories
+23ft-63ft

Overall

13827

Females

4530

F55-59

4530

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

12998

Females

4147

F55-59

4147

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

12405

Females

3904

F55-59

3904

40K→25.2M

24.9 - 25.2 mi

Top 42%
×1story
+13ft-16ft

Overall

11164

Females

3321

F55-59

3321

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12387

Females

3917

F55-59

3917

Passing Analysis

Category:
Athletes Passed
3224
Passed By
861
Net Change
+2363
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19584
5K → 10K175485-310#19584#19894
10K → 15K128277-149#19894#20043
15K → 20K41127+384#20043#19659
20K → Half6115+46#19659#19613
Half → 25K34512+333#19613#19280
25K → 30K46614+452#19280#18828
30K → 20M2546+248#18828#18580
20M → 21M2834+279#18580#18301
21M → 35K1803+177#18301#18124
35K → 23M2373+234#18124#17890
23M → 24M2061+205#17890#17685
24M → 40K2045+199#17685#17486
40K → 25.2M992+97#17486#17389
25.2M → Finish1757+168#17389#17221
TOTALS3224861+2363
📊

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