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BOSTON MARATHON 2023

Adelaide Johnson

Bib: 24078•F

AK

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #20981
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
56:09
Rank: #20798 (+183)
5K → 10K
27:47 | 8:57/mi
15K· 9.32 mi
1:23:57
Rank: #20606 (+192)
10K → 15K
27:48 | 8:57/mi
20K· 12.43 mi
1:52:25
Rank: #20564 (+42)
15K → 20K
28:28 | 9:10/mi
Half· 13.11 mi
1:58:31
Rank: #20536 (+28)
20K → Half
6:06 | 8:56/mi
25K· 15.53 mi
2:20:50
Rank: #20419 (+117)
Half → 25K
22:19 | 9:12/mi
30K· 18.64 mi
2:50:27
Rank: #20251 (+168)
25K → 30K
29:37 | 9:32/mi
20M
3:03:34
Rank: #20173 (+78)
30K → 20M
13:07 | 9:39/mi
21M
3:13:56
Rank: #20100 (+73)
20M → 21M
10:22 | 10:22/mi
35K· 21.75 mi
3:20:49
Rank: #20032 (+68)
21M → 35K
6:53 | 9:12/mi
23M
3:32:51
Rank: #19954 (+78)
35K → 23M
12:02 | 9:37/mi
24M
3:42:30
Rank: #19958 (-4)
23M → 24M
9:39 | 9:39/mi
40K· 24.85 mi
3:51:06
Rank: #19975 (-17)
24M → 40K
8:36 | 10:04/mi
25.2M
3:54:50
Rank: #19978 (-3)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:05:14
Rank: #20058 (-80)
25.2M → Finish
10:24 | 10:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:31
Pace9:02 /mi
2nd Half
Distance13.11 mi
Time2:06:43
Pace9:40 /mi
📊Positive Split: 6.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4028:229:0828:22
9:08
-
10K
6.21 mi12:11:2756:099:0227:47
8:57
-0:11
15K
9.32 mi12:39:151:23:579:0027:48
8:57
0:00
20K
12.43 mi13:07:431:52:259:0328:28
9:10
+0:13
Half
13.11 mi13:13:491:58:319:026:06
8:56
-0:14
25K
15.53 mi13:36:082:20:509:0422:19
9:12
+0:16
30K
18.64 mi14:05:452:50:279:0929:37
9:32
+0:20
20M
20.00 mi14:18:523:03:349:1113:07
9:39
+0:07
21M
21.00 mi14:29:143:13:569:1410:22
10:22
+0:43
35K
21.75 mi14:36:073:20:499:146:53
9:12
-1:10
23M
23.00 mi14:48:093:32:519:1512:02
9:37
+0:25
24M
24.00 mi14:57:483:42:309:169:39
9:39
+0:02
40K
24.85 mi15:06:243:51:069:188:36
10:04
+0:25
25.2M
25.20 mi15:10:083:54:509:193:44
10:50
+0:46
Finish
26.22 mi15:20:324:05:149:2210:24
10:12
-0:38

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

8:56 /mi

Average Pace

9:22 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:43

60% of race

Time at Steady Pace

1:04:25

26% of race

Time at Slower Pace

33:06

13% of race

Average Pace: 9:21 /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 mi11:43:4028:229:0828:22
9:08
#20981
10K
6.21 mi12:11:2756:099:0227:47
8:57
#20798
15K
9.32 mi12:39:151:23:579:0027:48
8:57
#20606
20K
12.43 mi13:07:431:52:259:0328:28
9:10
#20564
Half
13.11 mi13:13:491:58:319:026:06
8:56
#20536
25K
15.53 mi13:36:082:20:509:0422:19
9:12
#20419
30K
18.64 mi14:05:452:50:279:0929:37
9:32
#20251
20M
20.00 mi14:18:523:03:349:1113:07
9:39
#20173
21M
21.00 mi14:29:143:13:569:1410:22
10:22
#20100
35K
21.75 mi14:36:073:20:499:146:53
9:12
#20032
23M
23.00 mi14:48:093:32:519:1512:02
9:37
#19954
24M
24.00 mi14:57:483:42:309:169:39
9:39
#19958
40K
24.85 mi15:06:243:51:069:188:36
10:04
#19975
25.2M
25.20 mi15:10:083:54:509:193:44
10:50
#19978
Finish
26.22 mi15:20:324:05:149:2210:24
10:12
#20058
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi209818361836120267(Top 76%)7823(Top 68%)7823(Top 1484%)
10K6.21 mi3.10 mi20798+1838199+1628199+16220657(Top 78%)8068(Top 71%)8068(Top 1531%)
15K9.32 mi3.11 mi20606+1928077+1228077+12220267(Top 76%)7823(Top 68%)7823(Top 1484%)
20K12.43 mi3.11 mi20564+428032+458032+4520426(Top 77%)7919(Top 69%)7919(Top 1503%)
Half13.11 mi0.68 mi20536+288012+208012+2020226(Top 76%)7797(Top 68%)7797(Top 1480%)
25K15.53 mi2.42 mi20419+1177946+667946+6619874(Top 75%)7626(Top 67%)7626(Top 1447%)
30K18.64 mi3.11 mi20251+1687872+747872+7419560(Top 73%)7511(Top 66%)7511(Top 1425%)
20M20.00 mi1.36 mi20173+787842+307842+3019410(Top 73%)7523(Top 66%)7523(Top 1428%)
21M21.00 mi1.00 mi20100+737808+347808+3419210(Top 72%)7467(Top 65%)7467(Top 1417%)
35K21.75 mi0.75 mi20032+687773+357773+3518785(Top 71%)7275(Top 64%)7275(Top 1380%)
23M23.00 mi1.25 mi19954+787740+337740+3318786(Top 71%)7290(Top 64%)7290(Top 1383%)
24M24.00 mi1.00 mi19958-47750-107750-1019740(Top 74%)7831(Top 69%)7831(Top 1486%)
40K24.85 mi0.85 mi19975-177772-227772-2220141(Top 76%)8131(Top 71%)8131(Top 1543%)
25.2M25.20 mi0.35 mi19978-37776-47776-420068(Top 75%)8099(Top 71%)8099(Top 1537%)
Finish26.22 mi1.02 mi20058-807833-577833-5722317(Top 84%)9282(Top 81%)9282(Top 1761%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21stories
+97ft-345ft

Overall

20267

Females

7823

F60-64

7823

5K→10K

3.1 - 6.2 mi

Top 78%
×5stories
+79ft-138ft

Overall

20657

Females

8068

F60-64

8068

10K→15K

6.2 - 9.3 mi

Top 76%
×3stories
+67ft-78ft

Overall

20267

Females

7823

F60-64

7823

15K→20K

9.3 - 12.4 mi

Top 77%
×5stories
+106ft-86ft

Overall

20426

Females

7919

F60-64

7919

20K→Half

12.4 - 13.1 mi

Top 76%
×2stories
+19ft-37ft

Overall

20226

Females

7797

F60-64

7797

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19874

Females

7626

F60-64

7626

25K→30K

15.5 - 18.6 mi

Top 73%
×9stories
+181ft-148ft

Overall

19560

Females

7511

F60-64

7511

30K→20M

18.6 - 20.0 mi

Top 73%
×5stories
+64ft-50ft

Overall

19410

Females

7523

F60-64

7523

20M→21M

20.0 - 21.0 mi

Top 72%
×8stories
+106ft-24ft

Overall

19210

Females

7467

F60-64

7467

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18785

Females

7275

F60-64

7275

35K→23M

21.8 - 23.0 mi

Top 71%
×5stories
+23ft-63ft

Overall

18786

Females

7290

F60-64

7290

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19740

Females

7831

F60-64

7831

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20141

Females

8131

F60-64

8131

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20068

Females

8099

F60-64

8099

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2stories
+22ft-21ft

Overall

22317

Females

9282

F60-64

9282

Passing Analysis

Category:
Athletes Passed
1864
Passed By
941
Net Change
+923
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20981
5K → 10K393210+183#20981#20798
10K → 15K28997+192#20798#20606
15K → 20K184142+42#20606#20564
20K → Half4214+28#20564#20536
Half → 25K16649+117#20536#20419
25K → 30K23466+168#20419#20251
30K → 20M11739+78#20251#20173
20M → 21M11441+73#20173#20100
21M → 35K8315+68#20100#20032
35K → 23M10628+78#20032#19954
23M → 24M5458-4#19954#19958
24M → 40K4562-17#19958#19975
40K → 25.2M2023-3#19975#19978
25.2M → Finish1797-80#19978#20058
TOTALS1864941+923
📊

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