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BOSTON MARATHON 2023

Helen Johnson

Bib: 23644•F

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:09
Rank: #20714
Start → 5K
28:09 | 9:04/mi
10K· 6.21 mi
55:47
Rank: #20549 (+165)
5K → 10K
27:38 | 8:54/mi
15K· 9.32 mi
1:24:15
Rank: #20751 (-202)
10K → 15K
28:28 | 9:10/mi
20K· 12.43 mi
1:53:08
Rank: #20800 (-49)
15K → 20K
28:53 | 9:18/mi
Half· 13.11 mi
1:59:22
Rank: #20805 (-5)
20K → Half
6:14 | 9:08/mi
25K· 15.53 mi
2:22:01
Rank: #20731 (+74)
Half → 25K
22:39 | 9:21/mi
30K· 18.64 mi
2:52:14
Rank: #20606 (+125)
25K → 30K
30:13 | 9:44/mi
20M
3:05:19
Rank: #20503 (+103)
30K → 20M
13:05 | 9:38/mi
21M
3:16:12
Rank: #20481 (+22)
20M → 21M
10:53 | 10:53/mi
35K· 21.75 mi
3:22:42
Rank: #20345 (+136)
21M → 35K
6:30 | 8:41/mi
23M
3:34:50
Rank: #20271 (+74)
35K → 23M
12:08 | 9:41/mi
24M
3:44:00
Rank: #20182 (+89)
23M → 24M
9:10 | 9:10/mi
40K· 24.85 mi
3:52:35
Rank: #20178 (+4)
24M → 40K
8:35 | 10:02/mi
25.2M
3:56:26
Rank: #20184 (-6)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
4:06:20
Rank: #20195 (-11)
25.2M → Finish
9:54 | 9:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:22
Pace9:06 /mi
2nd Half
Distance13.11 mi
Time2:06:58
Pace9:41 /mi
📊Positive Split: 6.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:25:2228:099:0428:09
9:04
-
10K
6.21 mi11:53:0055:478:5927:38
8:54
-0:10
15K
9.32 mi12:21:281:24:159:0228:28
9:10
+0:16
20K
12.43 mi12:50:211:53:089:0628:53
9:18
+0:08
Half
13.11 mi12:56:351:59:229:066:14
9:08
-0:10
25K
15.53 mi13:19:142:22:019:0922:39
9:21
+0:13
30K
18.64 mi13:49:272:52:149:1430:13
9:44
+0:23
20M
20.00 mi14:02:323:05:199:1613:05
9:38
-0:06
21M
21.00 mi14:13:253:16:129:2110:53
10:53
+1:15
35K
21.75 mi14:19:553:22:429:196:30
8:41
-2:12
23M
23.00 mi14:32:033:34:509:2012:08
9:41
+1:00
24M
24.00 mi14:41:133:44:009:209:10
9:10
-0:31
40K
24.85 mi14:49:483:52:359:218:35
10:02
+0:52
25.2M
25.20 mi14:53:393:56:269:233:51
11:10
+1:08
Finish
26.22 mi15:03:334:06:209:249:54
9:43
-1:27

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

8:41 /mi

Average Pace

9:24 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:08

14% of race

Time at Steady Pace

2:28:46

60% of race

Time at Slower Pace

1:03:26

26% of race

Average Pace: 9:24 /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 mi11:25:2228:099:0428:09
9:04
#20714
10K
6.21 mi11:53:0055:478:5927:38
8:54
#20549
15K
9.32 mi12:21:281:24:159:0228:28
9:10
#20751
20K
12.43 mi12:50:211:53:089:0628:53
9:18
#20800
Half
13.11 mi12:56:351:59:229:066:14
9:08
#20805
25K
15.53 mi13:19:142:22:019:0922:39
9:21
#20731
30K
18.64 mi13:49:272:52:149:1430:13
9:44
#20606
20M
20.00 mi14:02:323:05:199:1613:05
9:38
#20503
21M
21.00 mi14:13:253:16:129:2110:53
10:53
#20481
35K
21.75 mi14:19:553:22:429:196:30
8:41
#20345
23M
23.00 mi14:32:033:34:509:2012:08
9:41
#20271
24M
24.00 mi14:41:133:44:009:209:10
9:10
#20182
40K
24.85 mi14:49:483:52:359:218:35
10:02
#20178
25.2M
25.20 mi14:53:393:56:269:233:51
11:10
#20184
Finish
26.22 mi15:03:334:06:209:249:54
9:43
#20195
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi207148226822621178(Top 80%)8327(Top 73%)8327(Top 1022%)
10K6.21 mi3.10 mi20549+1658063+1638063+16320410(Top 77%)7931(Top 69%)7931(Top 973%)
15K9.32 mi3.11 mi20751-2028152-898152-8921178(Top 80%)8327(Top 73%)8327(Top 1022%)
20K12.43 mi3.11 mi20800-498162-108162-1020953(Top 79%)8208(Top 72%)8208(Top 1007%)
Half13.11 mi0.68 mi20805-58163-18163-120971(Top 79%)8227(Top 72%)8227(Top 1009%)
25K15.53 mi2.42 mi20731+748113+508113+5020332(Top 76%)7889(Top 69%)7889(Top 968%)
30K18.64 mi3.11 mi20606+1258062+518062+5120219(Top 76%)7893(Top 69%)7893(Top 968%)
20M20.00 mi1.36 mi20503+1038023+398023+3919343(Top 73%)7485(Top 66%)7485(Top 918%)
21M21.00 mi1.00 mi20481+228020+38020+320564(Top 77%)8220(Top 72%)8220(Top 1009%)
35K21.75 mi0.75 mi20345+1367956+647956+6416409(Top 62%)5958(Top 52%)5958(Top 731%)
23M23.00 mi1.25 mi20271+747920+367920+3619063(Top 72%)7446(Top 65%)7446(Top 914%)
24M24.00 mi1.00 mi20182+897883+377883+3717962(Top 67%)6886(Top 60%)6886(Top 845%)
40K24.85 mi0.85 mi20178+47888-57888-520088(Top 75%)8106(Top 71%)8106(Top 995%)
25.2M25.20 mi0.35 mi20184-67900-127900-1220844(Top 78%)8496(Top 74%)8496(Top 1042%)
Finish26.22 mi1.02 mi20195-117915-157915-1520861(Top 78%)8485(Top 74%)8485(Top 1041%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 80%
×21stories
+97ft-345ft

Overall

21178

Females

8327

F55-59

8327

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20410

Females

7931

F55-59

7931

10K→15K

6.2 - 9.3 mi

Top 80%
×3stories
+67ft-78ft

Overall

21178

Females

8327

F55-59

8327

15K→20K

9.3 - 12.4 mi

Top 79%
×5stories
+106ft-86ft

Overall

20953

Females

8208

F55-59

8208

20K→Half

12.4 - 13.1 mi

Top 79%
×2stories
+19ft-37ft

Overall

20971

Females

8227

F55-59

8227

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20332

Females

7889

F55-59

7889

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20219

Females

7893

F55-59

7893

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19343

Females

7485

F55-59

7485

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20564

Females

8220

F55-59

8220

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16409

Females

5958

F55-59

5958

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19063

Females

7446

F55-59

7446

23M→24M

23.0 - 24.0 mi

Top 67%
×6stories
+12ft-82ft

Overall

17962

Females

6886

F55-59

6886

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

20088

Females

8106

F55-59

8106

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20844

Females

8496

F55-59

8496

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20861

Females

8485

F55-59

8485

Passing Analysis

Category:
Athletes Passed
1651
Passed By
1132
Net Change
+519
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20714
5K → 10K409244+165#20714#20549
10K → 15K98300-202#20549#20751
15K → 20K143192-49#20751#20800
20K → Half2631-5#20800#20805
Half → 25K14066+74#20805#20731
25K → 30K19974+125#20731#20606
30K → 20M12623+103#20606#20503
20M → 21M8058+22#20503#20481
21M → 35K1393+136#20481#20345
35K → 23M10026+74#20345#20271
23M → 24M9910+89#20271#20182
24M → 40K4137+4#20182#20178
40K → 25.2M1824-6#20178#20184
25.2M → Finish3344-11#20184#20195
TOTALS16511132+519
📊

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