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BOSTON MARATHON 2023

Daniel Johnson

Bib: 7451•M

TX

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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
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
22:10
Rank: #7092
Start → 5K
22:10 | 7:08/mi
10K· 6.21 mi
43:21
Rank: #6363 (+729)
5K → 10K
21:11 | 6:49/mi
15K· 9.32 mi
1:04:39
Rank: #6105 (+258)
10K → 15K
21:18 | 6:51/mi
20K· 12.43 mi
1:26:28
Rank: #6091 (+14)
15K → 20K
21:49 | 7:01/mi
Half· 13.11 mi
1:31:11
Rank: #6086 (+5)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:48:34
Rank: #6150 (-64)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:12:01
Rank: #6303 (-153)
25K → 30K
23:27 | 7:33/mi
20M
2:23:41
Rank: #6734 (-431)
30K → 20M
11:40 | 8:35/mi
21M
2:31:52
Rank: #6767 (-33)
20M → 21M
8:11 | 8:11/mi
35K· 21.75 mi
2:37:31
Rank: #6805 (-38)
21M → 35K
5:39 | 7:33/mi
23M
2:47:39
Rank: #6925 (-120)
35K → 23M
10:08 | 8:06/mi
24M
2:55:40
Rank: #7080 (-155)
23M → 24M
8:01 | 8:01/mi
40K· 24.85 mi
3:02:38
Rank: #7184 (-104)
24M → 40K
6:58 | 8:09/mi
25.2M
3:05:37
Rank: #7210 (-26)
40K → 25.2M
2:59 | 8:39/mi
Finish· 26.22 mi
3:13:53
Rank: #7402 (-192)
25.2M → Finish
8:16 | 8:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:11
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:42:42
Pace7:50 /mi
📊Positive Split: 12.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1422:107:0822:10
7:08
-
10K
6.21 mi10:49:2543:216:5921:11
6:49
-0:19
15K
9.32 mi11:10:431:04:396:5621:18
6:51
+0:02
20K
12.43 mi11:32:321:26:286:5721:49
7:01
+0:10
Half
13.11 mi11:37:151:31:116:574:43
6:55
-0:06
25K
15.53 mi11:54:381:48:346:5917:23
7:10
+0:15
30K
18.64 mi12:18:052:12:017:0523:27
7:33
+0:23
20M
20.00 mi12:29:452:23:417:1111:40
8:35
+1:02
21M
21.00 mi12:37:562:31:527:148:11
8:11
-0:24
35K
21.75 mi12:43:352:37:317:155:39
7:33
-0:38
23M
23.00 mi12:53:432:47:397:1710:08
8:06
+0:33
24M
24.00 mi13:01:442:55:407:198:01
8:01
-0:05
40K
24.85 mi13:08:423:02:387:216:58
8:09
+0:08
25.2M
25.20 mi13:11:413:05:377:222:59
8:39
+0:30
Finish
26.22 mi13:19:573:13:537:248:16
8:07
-0:32

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

6:49 /mi

Average Pace

7:24 /mi

Slowest Pace

8:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:34

56% of race

Time at Steady Pace

29:06

15% of race

Time at Slower Pace

56:13

29% of race

Average Pace: 7:24 /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 mi10:28:1422:107:0822:10
7:08
#7092
10K
6.21 mi10:49:2543:216:5921:11
6:49
#6363
15K
9.32 mi11:10:431:04:396:5621:18
6:51
#6105
20K
12.43 mi11:32:321:26:286:5721:49
7:01
#6091
Half
13.11 mi11:37:151:31:116:574:43
6:55
#6086
25K
15.53 mi11:54:381:48:346:5917:23
7:10
#6150
30K
18.64 mi12:18:052:12:017:0523:27
7:33
#6303
20M
20.00 mi12:29:452:23:417:1111:40
8:35
#6734
21M
21.00 mi12:37:562:31:527:148:11
8:11
#6767
35K
21.75 mi12:43:352:37:317:155:39
7:33
#6805
23M
23.00 mi12:53:432:47:397:1710:08
8:06
#6925
24M
24.00 mi13:01:442:55:407:198:01
8:01
#7080
40K
24.85 mi13:08:423:02:387:216:58
8:09
#7184
25.2M
25.20 mi13:11:413:05:377:222:59
8:39
#7210
Finish
26.22 mi13:19:573:13:537:248:16
8:07
#7402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7092634163415626(Top 21%)5168(Top 34%)5168(Top 98%)
10K6.21 mi3.10 mi6363+7295767+5745767+5745482(Top 21%)5052(Top 33%)5052(Top 96%)
15K9.32 mi3.11 mi6105+2585563+2045563+2045626(Top 21%)5168(Top 34%)5168(Top 98%)
20K12.43 mi3.11 mi6091+145544+195544+196120(Top 23%)5565(Top 37%)5565(Top 105%)
Half13.11 mi0.68 mi6086+55546-25546-26093(Top 23%)5563(Top 37%)5563(Top 105%)
25K15.53 mi2.42 mi6150-645595-495595-496504(Top 24%)5804(Top 38%)5804(Top 110%)
30K18.64 mi3.11 mi6303-1535688-935688-937552(Top 28%)6420(Top 42%)6420(Top 121%)
20M20.00 mi1.36 mi6734-4316004-3166004-31614132(Top 53%)9614(Top 63%)9614(Top 182%)
21M21.00 mi1.00 mi6767-336019-156019-158494(Top 32%)6761(Top 45%)6761(Top 128%)
35K21.75 mi0.75 mi6805-386043-246043-248857(Top 33%)6981(Top 46%)6981(Top 132%)
23M23.00 mi1.25 mi6925-1206102-596102-5910362(Top 39%)7652(Top 50%)7652(Top 145%)
24M24.00 mi1.00 mi7080-1556190-886190-8811307(Top 42%)8038(Top 53%)8038(Top 152%)
40K24.85 mi0.85 mi7184-1046246-566246-5610980(Top 41%)7819(Top 52%)7819(Top 148%)
25.2M25.20 mi0.35 mi7210-266251-56251-510348(Top 39%)7446(Top 49%)7446(Top 141%)
Finish26.22 mi1.02 mi7402-1926350-996350-9912816(Top 48%)8670(Top 57%)8670(Top 164%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5626

Males

5168

M18-39

5168

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

5482

Males

5052

M18-39

5052

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5626

Males

5168

M18-39

5168

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6120

Males

5565

M18-39

5565

20K→Half

12.4 - 13.1 mi

Top 23%
×2stories
+19ft-37ft

Overall

6093

Males

5563

M18-39

5563

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6504

Males

5804

M18-39

5804

25K→30K

15.5 - 18.6 mi

Top 28%
×9stories
+181ft-148ft

Overall

7552

Males

6420

M18-39

6420

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

14132

Males

9614

M18-39

9614

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

8494

Males

6761

M18-39

6761

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

8857

Males

6981

M18-39

6981

35K→23M

21.8 - 23.0 mi

Top 39%
×5stories
+23ft-63ft

Overall

10362

Males

7652

M18-39

7652

23M→24M

23.0 - 24.0 mi

Top 42%
×6stories
+12ft-82ft

Overall

11307

Males

8038

M18-39

8038

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10980

Males

7819

M18-39

7819

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10348

Males

7446

M18-39

7446

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12816

Males

8670

M18-39

8670

Passing Analysis

Category:
Athletes Passed
1504
Passed By
1814
Net Change
-310
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7092
5K → 10K74516+729#7092#6363
10K → 15K27517+258#6363#6105
15K → 20K10793+14#6105#6091
20K → Half1611+5#6091#6086
Half → 25K64128-64#6086#6150
25K → 30K80233-153#6150#6303
30K → 20M6437-431#6303#6734
20M → 21M5689-33#6734#6767
21M → 35K2563-38#6767#6805
35K → 23M38158-120#6805#6925
23M → 24M21176-155#6925#7080
24M → 40K26130-104#7080#7184
40K → 25.2M2147-26#7184#7210
25.2M → Finish24216-192#7210#7402
TOTALS15041814-310
📊

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