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BOSTON MARATHON 2023

Sarah Johanek

Bib: 13203•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Female)
#0 / 11423
Top 4%
Division (F18-39)
#0 / 4884
Top 7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:27
Rank: #5609
Start → 5K
6:54/mi
21:27 split
10K· 6.21 mi
42:57
Rank: #5915 (-306)
5K → 10K
6:55/mi
21:30 split
15K· 9.32 mi
1:04:38
Rank: #6100 (-185)
10K → 15K
6:59/mi
21:41 split
20K· 12.43 mi
1:26:08
Rank: #5926 (+174)
15K → 20K
6:55/mi
21:30 split
Half· 13.11 mi
1:30:46
Rank: #5881 (+45)
20K → Half
6:47/mi
4:38 split
25K· 15.53 mi
1:47:16
Rank: #5620 (+261)
Half → 25K
6:48/mi
16:30 split
30K· 18.64 mi
2:09:28
Rank: #5498 (+122)
25K → 30K
7:09/mi
22:12 split
20M
2:19:17
Rank: #5445 (+53)
30K → 20M
7:13/mi
9:49 split
21M
2:26:51
Rank: #5364 (+81)
20M → 21M
7:34/mi
7:34 split
35K· 21.75 mi
2:32:13
Rank: #5380 (-16)
21M → 35K
7:10/mi
5:22 split
23M
2:41:25
Rank: #5338 (+42)
35K → 23M
7:21/mi
9:12 split
24M
2:48:35
Rank: #5301 (+37)
23M → 24M
7:10/mi
7:10 split
40K· 24.85 mi
2:54:51
Rank: #5252 (+49)
24M → 40K
7:20/mi
6:16 split
25.2M
2:57:31
Rank: #5233 (+19)
40K → 25.2M
7:44/mi
2:40 split
Finish· 26.22 mi
3:04:41
Rank: #5187 (+46)
25.2M → Finish
7:02/mi
7:10 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:46
Pace6:55 /mi
2nd Half
Distance13.11 mi
Time1:33:55
Pace7:10 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:11:5221:276:5421:27
6:54
-
10K
6.21 mi11:33:2242:576:5521:30
6:55
+0:01
15K
9.32 mi11:55:031:04:386:5621:41
6:59
+0:04
20K
12.43 mi12:16:331:26:086:5621:30
6:55
-0:04
Half
13.11 mi12:21:111:30:466:554:38
6:47
-0:08
25K
15.53 mi12:37:411:47:166:5416:30
6:48
+0:01
30K
18.64 mi12:59:532:09:286:5722:12
7:09
+0:21
20M
20.00 mi13:09:422:19:176:589:49
7:13
+0:04
21M
21.00 mi13:17:162:26:517:007:34
7:34
+0:21
35K
21.75 mi13:22:382:32:137:005:22
7:10
-0:24
23M
23.00 mi13:31:502:41:257:019:12
7:21
+0:11
24M
24.00 mi13:39:002:48:357:017:10
7:10
-0:11
40K
24.85 mi13:45:162:54:517:026:16
7:20
+0:10
25.2M
25.20 mi13:47:562:57:317:032:40
7:44
+0:24
Finish
26.22 mi13:55:063:04:417:037:10
7:02
-0:42

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

6:47 /mi

Average Pace

7:03 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:27

94% of race

Time at Steady Pace

10:14

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:03 /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 mi11:11:5221:276:5421:27
6:54
#5609
10K
6.21 mi11:33:2242:576:5521:30
6:55
#5915
15K
9.32 mi11:55:031:04:386:5621:41
6:59
#6100
20K
12.43 mi12:16:331:26:086:5621:30
6:55
#5926
Half
13.11 mi12:21:111:30:466:554:38
6:47
#5881
25K
15.53 mi12:37:411:47:166:5416:30
6:48
#5620
30K
18.64 mi12:59:532:09:286:5722:12
7:09
#5498
20M
20.00 mi13:09:422:19:176:589:49
7:13
#5445
21M
21.00 mi13:17:162:26:517:007:34
7:34
#5364
35K
21.75 mi13:22:382:32:137:005:22
7:10
#5380
23M
23.00 mi13:31:502:41:257:019:12
7:21
#5338
24M
24.00 mi13:39:002:48:357:017:10
7:10
#5301
40K
24.85 mi13:45:162:54:517:026:16
7:20
#5252
25.2M
25.20 mi13:47:562:57:317:032:40
7:44
#5233
Finish
26.22 mi13:55:063:04:417:037:10
7:02
#5187
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi56094374376440(Top 24%)623(Top 5%)623(Top 13%)
10K6.21 mi3.10 mi5915-306487-50487-506290(Top 24%)592(Top 5%)592(Top 12%)
15K9.32 mi3.11 mi6100-185535-48535-486440(Top 24%)623(Top 5%)623(Top 13%)
20K12.43 mi3.11 mi5926+174502+33502+335497(Top 21%)432(Top 4%)432(Top 9%)
Half13.11 mi0.68 mi5881+45488+14488+145279(Top 20%)401(Top 4%)401(Top 8%)
25K15.53 mi2.42 mi5620+261442+46442+464232(Top 16%)271(Top 2%)271(Top 6%)
30K18.64 mi3.11 mi5498+122430+12430+125201(Top 20%)439(Top 4%)439(Top 9%)
20M20.00 mi1.36 mi5445+53429+1429+15258(Top 20%)512(Top 4%)512(Top 10%)
21M21.00 mi1.00 mi5364+81424+5424+54939(Top 19%)500(Top 4%)500(Top 10%)
35K21.75 mi0.75 mi5380-16434-10434-106390(Top 24%)869(Top 8%)869(Top 18%)
23M23.00 mi1.25 mi5338+42433+1433+15575(Top 21%)674(Top 6%)674(Top 14%)
24M24.00 mi1.00 mi5301+37432+1432+15577(Top 21%)736(Top 6%)736(Top 15%)
40K24.85 mi0.85 mi5252+49435-3435-35660(Top 21%)850(Top 7%)850(Top 17%)
25.2M25.20 mi0.35 mi5233+19436-1436-15091(Top 19%)736(Top 6%)736(Top 15%)
Finish26.22 mi1.02 mi5187+46434+2434+25416(Top 20%)863(Top 8%)863(Top 18%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6440

Females

623

F18-39

623

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6290

Females

592

F18-39

592

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6440

Females

623

F18-39

623

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5497

Females

432

F18-39

432

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5279

Females

401

F18-39

401

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4232

Females

271

F18-39

271

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5201

Females

439

F18-39

439

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5258

Females

512

F18-39

512

20M→21M

20.0 - 21.0 mi

Top 19%
×8story building
+106ft-24ft

Overall

4939

Females

500

F18-39

500

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6390

Females

869

F18-39

869

35K→23M

21.8 - 23.0 mi

Top 21%
×5story building
+23ft-63ft

Overall

5575

Females

674

F18-39

674

23M→24M

23.0 - 24.0 mi

Top 21%
×6story building
+12ft-82ft

Overall

5577

Females

736

F18-39

736

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5660

Females

850

F18-39

850

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5091

Females

736

F18-39

736

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5416

Females

863

F18-39

863

Passing Analysis

Category:
Athletes Passed
1378
Passed By
956
Net Change
+422
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5609
5K → 10K84390-306#5609#5915
10K → 15K61246-185#5915#6100
15K → 20K20632+174#6100#5926
20K → Half494+45#5926#5881
Half → 25K2621+261#5881#5620
25K → 30K18058+122#5620#5498
30K → 20M8431+53#5498#5445
20M → 21M10423+81#5445#5364
21M → 35K2541-16#5364#5380
35K → 23M8341+42#5380#5338
23M → 24M6326+37#5338#5301
24M → 40K7627+49#5301#5252
40K → 25.2M2910+19#5252#5233
25.2M → Finish7226+46#5233#5187
TOTALS1378956+422
📊

Passing Visuals

Category:
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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