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BOSTON MARATHON 2023

Daniel Johnson

Bib: 6673•M

UT

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:12
Rank: #7159
Start → 5K
22:12 | 7:09/mi
10K· 6.21 mi
45:15
Rank: #8328 (-1169)
5K → 10K
23:03 | 7:25/mi
15K· 9.32 mi
1:11:22
Rank: #11421 (-3093)
10K → 15K
26:07 | 8:24/mi
20K· 12.43 mi
1:37:52
Rank: #13081 (-1660)
15K → 20K
26:30 | 8:32/mi
Half· 13.11 mi
1:43:54
Rank: #13523 (-442)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:07:27
Rank: #15380 (-1857)
Half → 25K
23:33 | 9:43/mi
30K· 18.64 mi
2:43:19
Rank: #18342 (-2962)
25K → 30K
35:52 | 11:33/mi
20M
3:01:57
Rank: #19802 (-1460)
30K → 20M
18:38 | 13:43/mi
21M
3:20:01
Rank: #21111 (-1309)
20M → 21M
18:04 | 18:04/mi
35K· 21.75 mi
3:28:15
Rank: #21222 (-111)
21M → 35K
8:14 | 11:00/mi
23M
3:46:50
Rank: #21920 (-698)
35K → 23M
18:35 | 14:51/mi
24M
3:59:03
Rank: #22086 (-166)
23M → 24M
12:13 | 12:13/mi
40K· 24.85 mi
4:09:57
Rank: #22248 (-162)
24M → 40K
10:54 | 12:45/mi
25.2M
4:14:18
Rank: #22270 (-22)
40K → 25.2M
4:21 | 12:37/mi
Finish· 26.22 mi
4:25:35
Rank: #22352 (-82)
25.2M → Finish
11:17 | 11:04/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:54
Pace7:56 /mi
2nd Half
Distance13.11 mi
Time2:41:41
Pace12:20 /mi
📊Positive Split: 55.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:5622:127:0922:12
7:09
-
10K
6.21 mi10:48:5945:157:1723:03
7:25
+0:16
15K
9.32 mi11:15:061:11:227:3926:07
8:24
+0:59
20K
12.43 mi11:41:361:37:527:5326:30
8:32
+0:08
Half
13.11 mi11:47:381:43:547:566:02
8:51
+0:19
25K
15.53 mi12:11:112:07:278:1223:33
9:43
+0:52
30K
18.64 mi12:47:032:43:198:4635:52
11:33
+1:50
20M
20.00 mi13:05:413:01:579:0618:38
13:43
+2:10
21M
21.00 mi13:23:453:20:019:3118:04
18:04
+4:21
35K
21.75 mi13:31:593:28:159:358:14
11:00
-7:04
23M
23.00 mi13:50:343:46:509:5218:35
14:51
+3:51
24M
24.00 mi14:02:473:59:039:5812:13
12:13
-2:38
40K
24.85 mi14:13:414:09:5710:0310:54
12:45
+0:32
25.2M
25.20 mi14:18:024:14:1810:054:21
12:37
-0:08
Finish
26.22 mi14:29:194:25:3510:0811:17
11:04
-1:33

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

7:09 /mi

Average Pace

10:08 /mi

Slowest Pace

18:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:43:54

39% of race

Time at Steady Pace

1:31:09

34% of race

Time at Slower Pace

1:10:32

27% of race

Average Pace: 10:08 /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 mi10:25:5622:127:0922:12
7:09
#7159
10K
6.21 mi10:48:5945:157:1723:03
7:25
#8328
15K
9.32 mi11:15:061:11:227:3926:07
8:24
#11421
20K
12.43 mi11:41:361:37:527:5326:30
8:32
#13081
Half
13.11 mi11:47:381:43:547:566:02
8:51
#13523
25K
15.53 mi12:11:112:07:278:1223:33
9:43
#15380
30K
18.64 mi12:47:032:43:198:4635:52
11:33
#18342
20M
20.00 mi13:05:413:01:579:0618:38
13:43
#19802
21M
21.00 mi13:23:453:20:019:3118:04
18:04
#21111
35K
21.75 mi13:31:593:28:159:358:14
11:00
#21222
23M
23.00 mi13:50:343:46:509:5218:35
14:51
#21920
24M
24.00 mi14:02:473:59:039:5812:13
12:13
#22086
40K
24.85 mi14:13:414:09:5710:0310:54
12:45
#22248
25.2M
25.20 mi14:18:024:14:1810:054:21
12:37
#22270
Finish
26.22 mi14:29:194:25:3510:0811:17
11:04
#22352
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi71596394639417181(Top 65%)11128(Top 73%)11128(Top 211%)
10K6.21 mi3.10 mi8328-11697164-7707164-7709799(Top 37%)8061(Top 53%)8061(Top 153%)
15K9.32 mi3.11 mi11421-30938849-16858849-168517181(Top 65%)11128(Top 73%)11128(Top 211%)
20K12.43 mi3.11 mi13081-16609534-6859534-68517036(Top 64%)11077(Top 73%)11077(Top 210%)
Half13.11 mi0.68 mi13523-4429711-1779711-17719722(Top 74%)12207(Top 80%)12207(Top 231%)
25K15.53 mi2.42 mi15380-185710411-70010411-70021501(Top 81%)12924(Top 85%)12924(Top 245%)
30K18.64 mi3.11 mi18342-296211556-114511556-114523918(Top 90%)13924(Top 92%)13924(Top 263%)
20M20.00 mi1.36 mi19802-146012159-60312159-60325671(Top 96%)14701(Top 97%)14701(Top 278%)
21M21.00 mi1.00 mi21111-130912707-54812707-54826552(Top 100%)15140(Top 100%)15140(Top 286%)
35K21.75 mi0.75 mi21222-11112756-4912756-4923309(Top 88%)13518(Top 89%)13518(Top 256%)
23M23.00 mi1.25 mi21920-69813074-31813074-31826236(Top 99%)14958(Top 99%)14958(Top 283%)
24M24.00 mi1.00 mi22086-16613138-6413138-6424759(Top 93%)14173(Top 93%)14173(Top 268%)
40K24.85 mi0.85 mi22248-16213204-6613204-6624715(Top 93%)14161(Top 93%)14161(Top 268%)
25.2M25.20 mi0.35 mi22270-2213206-213206-223433(Top 88%)13513(Top 89%)13513(Top 256%)
Finish26.22 mi1.02 mi22352-8213234-2813234-2824098(Top 91%)13864(Top 91%)13864(Top 262%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21stories
+97ft-345ft

Overall

17181

Males

11128

M18-39

11128

5K→10K

3.1 - 6.2 mi

Top 37%
×5stories
+79ft-138ft

Overall

9799

Males

8061

M18-39

8061

10K→15K

6.2 - 9.3 mi

Top 65%
×3stories
+67ft-78ft

Overall

17181

Males

11128

M18-39

11128

15K→20K

9.3 - 12.4 mi

Top 64%
×5stories
+106ft-86ft

Overall

17036

Males

11077

M18-39

11077

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19722

Males

12207

M18-39

12207

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

21501

Males

12924

M18-39

12924

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

23918

Males

13924

M18-39

13924

30K→20M

18.6 - 20.0 mi

Top 96%
×5stories
+64ft-50ft

Overall

25671

Males

14701

M18-39

14701

20M→21M

20.0 - 21.0 mi

Top 100%
×8stories
+106ft-24ft

Overall

26552

Males

15140

M18-39

15140

21M→35K

21.0 - 21.8 mi

Top 88%
×7stories
+17ft-86ft

Overall

23309

Males

13518

M18-39

13518

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

26236

Males

14958

M18-39

14958

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24759

Males

14173

M18-39

14173

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24715

Males

14161

M18-39

14161

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23433

Males

13513

M18-39

13513

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24098

Males

13864

M18-39

13864

Passing Analysis

Category:
Athletes Passed
103
Passed By
15294
Net Change
-15193
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7159
5K → 10K171186-1169#7159#8328
10K → 15K13092-3093#8328#11421
15K → 20K91669-1660#11421#13081
20K → Half1443-442#13081#13523
Half → 25K71864-1857#13523#15380
25K → 30K32965-2962#15380#18342
30K → 20M71467-1460#18342#19802
20M → 21M01309-1309#19802#21111
21M → 35K15126-111#21111#21222
35K → 23M4702-698#21222#21920
23M → 24M12178-166#21920#22086
24M → 40K11173-162#22086#22248
40K → 25.2M830-22#22248#22270
25.2M → Finish890-82#22270#22352
TOTALS10315294-15193
📊

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