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BOSTON MARATHON 2023

Daniel Johnson

CA

Bib: 13127 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:51/mi
24:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:02/mi
49:20
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:15:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:49/mi
1:43:11
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:34/mi
1:49:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
9:02/mi
2:10:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:16/mi
2:39:41
↑ 181↓ 1480.2%
138 ft elev
20M
9:48/mi
2:53:00
↑ 64↓ 500.2%
148 ft elev
21M
10:52/mi
3:03:52
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:35/mi
3:11:02
↑ 17↓ 861.7%
156 ft elev
23M
10:08/mi
3:23:43
↑ 23↓ 630.6%
116 ft elev
24M
9:59/mi
3:33:42
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:15/mi
3:42:28
↓ 200.3%
20 ft elev
25.2M
10:50/mi
3:46:12
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:48/mi
3:56:11
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:02
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time2:07:09
Pace9:42 /mi
📊Positive Split: 16.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:1324:227:5124:22
7:51
-
10K
6.21 mi11:18:1149:207:5624:58
8:02
+0:11
15K
9.32 mi11:44:371:15:468:0826:26
8:30
+0:28
20K
12.43 mi12:12:021:43:118:1827:25
8:49
+0:19
Half
13.11 mi12:17:531:49:028:195:51
8:34
-0:15
25K
15.53 mi12:39:462:10:558:2621:53
9:02
+0:28
30K
18.64 mi13:08:322:39:418:3428:46
9:16
+0:14
20M
20.00 mi13:21:512:53:008:3913:19
9:48
+0:32
21M
21.00 mi13:32:433:03:528:4510:52
10:52
+1:04
35K
21.75 mi13:39:533:11:028:477:10
9:35
-1:17
23M
23.00 mi13:52:343:23:438:5112:41
10:08
+0:33
24M
24.00 mi14:02:333:33:428:549:59
9:59
-0:09
40K
24.85 mi14:11:193:42:288:578:46
10:15
+0:16
25.2M
25.20 mi14:15:033:46:128:593:44
10:50
+0:35
Finish
26.22 mi14:25:023:56:119:019:59
9:48
-1:02

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

7:51 /mi

Average Pace

9:01 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:55

55% of race

Time at Steady Pace

1:09:13

29% of race

Time at Slower Pace

36:03

15% of race

Average Pace: 9:00 /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 mi10:53:1324:227:5124:22
7:51
#12778
10K
6.21 mi11:18:1149:207:5624:58
8:02
#13903
15K
9.32 mi11:44:371:15:468:0826:26
8:30
#15328
20K
12.43 mi12:12:021:43:118:1827:25
8:49
#16302
Half
13.11 mi12:17:531:49:028:195:51
8:34
#16414
25K
15.53 mi12:39:462:10:558:2621:53
9:02
#16907
30K
18.64 mi13:08:322:39:418:3428:46
9:16
#17157
20M
20.00 mi13:21:512:53:008:3913:19
9:48
#17415
21M
21.00 mi13:32:433:03:528:4510:52
10:52
#17718
35K
21.75 mi13:39:533:11:028:477:10
9:35
#17852
23M
23.00 mi13:52:343:23:438:5112:41
10:08
#18085
24M
24.00 mi14:02:333:33:428:549:59
9:59
#18263
40K
24.85 mi14:11:193:42:288:578:46
10:15
#18398
25.2M
25.20 mi14:15:033:46:128:593:44
10:50
#18441
Finish
26.22 mi14:25:023:56:119:019:59
9:48
#18593
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi127789450945017859(Top 67%)11424(Top 75%)11424(Top 803%)
10K6.21 mi3.10 mi13903-11259903-4539903-45315065(Top 57%)10339(Top 68%)10339(Top 727%)
15K9.32 mi3.11 mi15328-142510439-53610439-53617859(Top 67%)11424(Top 75%)11424(Top 803%)
20K12.43 mi3.11 mi16302-97410793-35410793-35418802(Top 71%)11814(Top 78%)11814(Top 831%)
Half13.11 mi0.68 mi16414-11210833-4010833-4018150(Top 68%)11556(Top 76%)11556(Top 813%)
25K15.53 mi2.42 mi16907-49310990-15710990-15719077(Top 72%)11881(Top 78%)11881(Top 836%)
30K18.64 mi3.11 mi17157-25011083-9311083-9318433(Top 69%)11531(Top 76%)11531(Top 811%)
20M20.00 mi1.36 mi17415-25811167-8411167-8419841(Top 75%)12050(Top 79%)12050(Top 847%)
21M21.00 mi1.00 mi17718-30311276-10911276-10920520(Top 77%)12295(Top 81%)12295(Top 865%)
35K21.75 mi0.75 mi17852-13411319-4311319-4320069(Top 75%)12070(Top 80%)12070(Top 849%)
23M23.00 mi1.25 mi18085-23311401-8211401-8220360(Top 76%)12179(Top 80%)12179(Top 856%)
24M24.00 mi1.00 mi18263-17811461-6011461-6020733(Top 78%)12306(Top 81%)12306(Top 865%)
40K24.85 mi0.85 mi18398-13511513-5211513-5220610(Top 77%)12197(Top 80%)12197(Top 858%)
25.2M25.20 mi0.35 mi18441-4311529-1611529-1620008(Top 75%)11916(Top 79%)11916(Top 838%)
Finish26.22 mi1.02 mi18593-15211583-5411583-5421125(Top 79%)12479(Top 82%)12479(Top 878%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

17859

Males

11424

M55-59

11424

5K→10K

3.1 - 6.2 mi

Top 57%
×5story building
+79ft-138ft

Overall

15065

Males

10339

M55-59

10339

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

17859

Males

11424

M55-59

11424

15K→20K

9.3 - 12.4 mi

Top 71%
×5story building
+106ft-86ft

Overall

18802

Males

11814

M55-59

11814

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18150

Males

11556

M55-59

11556

Half→25K

13.1 - 15.5 mi

Top 72%
×4story building
+66ft-88ft

Overall

19077

Males

11881

M55-59

11881

25K→30K

15.5 - 18.6 mi

Top 69%
×9story building
+181ft-148ft

Overall

18433

Males

11531

M55-59

11531

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

19841

Males

12050

M55-59

12050

20M→21M

20.0 - 21.0 mi

Top 77%
×8story building
+106ft-24ft

Overall

20520

Males

12295

M55-59

12295

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

20069

Males

12070

M55-59

12070

35K→23M

21.8 - 23.0 mi

Top 76%
×5story building
+23ft-63ft

Overall

20360

Males

12179

M55-59

12179

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20733

Males

12306

M55-59

12306

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20610

Males

12197

M55-59

12197

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20008

Males

11916

M55-59

11916

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

21125

Males

12479

M55-59

12479

Passing Analysis

Category:
Athletes Passed
421
Passed By
6236
Net Change
-5815
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12778
5K → 10K441169-1125#12778#13903
10K → 15K101435-1425#13903#15328
15K → 20K311005-974#15328#16302
20K → Half15127-112#16302#16414
Half → 25K34527-493#16414#16907
25K → 30K109359-250#16907#17157
30K → 20M31289-258#17157#17415
20M → 21M22325-303#17415#17718
21M → 35K26160-134#17718#17852
35K → 23M32265-233#17852#18085
23M → 24M19197-178#18085#18263
24M → 40K22157-135#18263#18398
40K → 25.2M1255-43#18398#18441
25.2M → Finish14166-152#18441#18593
TOTALS4216236-5815
📊

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