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BOSTON MARATHON 2023

Amy Johnson

Bib: 10314•F

NC

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:26
Rank: #12975
Start → 5K
7:52/mi
24:26 split
10K· 6.21 mi
49:21
Rank: #13941 (-966)
5K → 10K
8:01/mi
24:55 split
15K· 9.32 mi
1:15:00
Rank: #14724 (-783)
10K → 15K
8:15/mi
25:39 split
20K· 12.43 mi
1:42:16
Rank: #15784 (-1060)
15K → 20K
8:47/mi
27:16 split
Half· 13.11 mi
1:48:06
Rank: #15892 (-108)
20K → Half
8:33/mi
5:50 split
25K· 15.53 mi
2:10:31
Rank: #16751 (-859)
Half → 25K
9:15/mi
22:25 split
30K· 18.64 mi
2:42:04
Rank: #17943 (-1192)
25K → 30K
10:09/mi
31:33 split
20M
2:55:25
Rank: #18159 (-216)
30K → 20M
9:49/mi
13:21 split
21M
3:06:57
Rank: #18568 (-409)
20M → 21M
11:32/mi
11:32 split
35K· 21.75 mi
3:14:23
Rank: #18684 (-116)
21M → 35K
9:56/mi
7:26 split
23M
3:27:10
Rank: #18877 (-193)
35K → 23M
10:13/mi
12:47 split
24M
3:36:49
Rank: #18927 (-50)
23M → 24M
9:39/mi
9:39 split
40K· 24.85 mi
3:45:14
Rank: #18971 (-44)
24M → 40K
9:51/mi
8:25 split
25.2M
3:49:06
Rank: #19013 (-42)
40K → 25.2M
11:13/mi
3:52 split
Finish· 26.22 mi
3:58:02
Rank: #18956 (+57)
25.2M → Finish
8:46/mi
8:56 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:06
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:09:56
Pace9:55 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1624:267:5224:26
7:52
-
10K
6.21 mi11:17:1149:217:5724:55
8:01
+0:09
15K
9.32 mi11:42:501:15:008:0325:39
8:15
+0:14
20K
12.43 mi12:10:061:42:168:1427:16
8:47
+0:32
Half
13.11 mi12:15:561:48:068:155:50
8:33
-0:14
25K
15.53 mi12:38:212:10:318:2422:25
9:15
+0:42
30K
18.64 mi13:09:542:42:048:4231:33
10:09
+0:54
20M
20.00 mi13:23:152:55:258:4613:21
9:49
-0:20
21M
21.00 mi13:34:473:06:578:5411:32
11:32
+1:43
35K
21.75 mi13:42:133:14:238:567:26
9:56
-1:36
23M
23.00 mi13:55:003:27:109:0012:47
10:13
+0:17
24M
24.00 mi14:04:393:36:499:029:39
9:39
-0:34
40K
24.85 mi14:13:043:45:149:048:25
9:51
+0:12
25.2M
25.20 mi14:16:563:49:069:053:52
11:13
+1:22
Finish
26.22 mi14:25:523:58:029:058:56
8:46
-2:27

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

7:52 /mi

Average Pace

9:05 /mi

Slowest Pace

11:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:57:02

49% of race

Time at Steady Pace

1:32:49

39% of race

Time at Slower Pace

28:11

12% of race

Average Pace: 9:05 /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 mi10:52:1624:267:5224:26
7:52
#12975
10K
6.21 mi11:17:1149:217:5724:55
8:01
#13941
15K
9.32 mi11:42:501:15:008:0325:39
8:15
#14724
20K
12.43 mi12:10:061:42:168:1427:16
8:47
#15784
Half
13.11 mi12:15:561:48:068:155:50
8:33
#15892
25K
15.53 mi12:38:212:10:318:2422:25
9:15
#16751
30K
18.64 mi13:09:542:42:048:4231:33
10:09
#17943
20M
20.00 mi13:23:152:55:258:4613:21
9:49
#18159
21M
21.00 mi13:34:473:06:578:5411:32
11:32
#18568
35K
21.75 mi13:42:133:14:238:567:26
9:56
#18684
23M
23.00 mi13:55:003:27:109:0012:47
10:13
#18877
24M
24.00 mi14:04:393:36:499:029:39
9:39
#18927
40K
24.85 mi14:13:043:45:149:048:25
9:51
#18971
25.2M
25.20 mi14:16:563:49:069:053:52
11:13
#19013
Finish
26.22 mi14:25:523:58:029:058:56
8:46
#18956
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi129753427342716276(Top 61%)5461(Top 48%)5461(Top 112%)
10K6.21 mi3.10 mi13941-9664006-5794006-57914971(Top 56%)4658(Top 41%)4658(Top 95%)
15K9.32 mi3.11 mi14724-7834492-4864492-48616276(Top 61%)5461(Top 48%)5461(Top 112%)
20K12.43 mi3.11 mi15784-10605172-6805172-68018554(Top 70%)6823(Top 60%)6823(Top 140%)
Half13.11 mi0.68 mi15892-1085240-685240-6818085(Top 68%)6549(Top 57%)6549(Top 134%)
25K15.53 mi2.42 mi16751-8595801-5615801-56120010(Top 75%)7695(Top 67%)7695(Top 158%)
30K18.64 mi3.11 mi17943-11926531-7306531-73021429(Top 80%)8589(Top 75%)8589(Top 176%)
20M20.00 mi1.36 mi18159-2166676-1456676-14519938(Top 75%)7813(Top 68%)7813(Top 160%)
21M21.00 mi1.00 mi18568-4096913-2376913-23721931(Top 82%)8955(Top 78%)8955(Top 183%)
35K21.75 mi0.75 mi18684-1166986-736986-7321113(Top 79%)8542(Top 75%)8542(Top 175%)
23M23.00 mi1.25 mi18877-1937118-1327118-13220609(Top 77%)8294(Top 73%)8294(Top 170%)
24M24.00 mi1.00 mi18927-507156-387156-3819733(Top 74%)7824(Top 68%)7824(Top 160%)
40K24.85 mi0.85 mi18971-447182-267182-2619529(Top 73%)7788(Top 68%)7788(Top 159%)
25.2M25.20 mi0.35 mi19013-427209-277209-2720952(Top 79%)8558(Top 75%)8558(Top 175%)
Finish26.22 mi1.02 mi18956+577189+207189+2016886(Top 63%)6318(Top 55%)6318(Top 129%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16276

Females

5461

F18-39

5461

5K→10K

3.1 - 6.2 mi

Top 56%
×5story building
+79ft-138ft

Overall

14971

Females

4658

F18-39

4658

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16276

Females

5461

F18-39

5461

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18554

Females

6823

F18-39

6823

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18085

Females

6549

F18-39

6549

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20010

Females

7695

F18-39

7695

25K→30K

15.5 - 18.6 mi

Top 80%
×9story building
+181ft-148ft

Overall

21429

Females

8589

F18-39

8589

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19938

Females

7813

F18-39

7813

20M→21M

20.0 - 21.0 mi

Top 82%
×8story building
+106ft-24ft

Overall

21931

Females

8955

F18-39

8955

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

21113

Females

8542

F18-39

8542

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20609

Females

8294

F18-39

8294

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

19733

Females

7824

F18-39

7824

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19529

Females

7788

F18-39

7788

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20952

Females

8558

F18-39

8558

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2story building
+22ft-21ft

Overall

16886

Females

6318

F18-39

6318

Passing Analysis

Category:
Athletes Passed
451
Passed By
6432
Net Change
-5981
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12975
5K → 10K531019-966#12975#13941
10K → 15K44827-783#13941#14724
15K → 20K271087-1060#14724#15784
20K → Half12120-108#15784#15892
Half → 25K22881-859#15892#16751
25K → 30K191211-1192#16751#17943
30K → 20M39255-216#17943#18159
20M → 21M14423-409#18159#18568
21M → 35K18134-116#18568#18684
35K → 23M30223-193#18684#18877
23M → 24M4696-50#18877#18927
24M → 40K3478-44#18927#18971
40K → 25.2M1456-42#18971#19013
25.2M → Finish7922+57#19013#18956
TOTALS4516432-5981
📊

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