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BOSTON MARATHON 2023

John Bullinga

Bib: 14837•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Male)
#0 / 15176
Top 49%
Masters (Masters Men)
#0 / 9891
Top 38%
Division (M50-54)
#0 / 2052
Top 35%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:10
Rank: #9266
Start → 5K
7:27/mi
23:10 split
10K· 6.21 mi
46:33
Rank: #9934 (-668)
5K → 10K
7:32/mi
23:23 split
15K· 9.32 mi
1:09:47
Rank: #9916 (+18)
10K → 15K
7:29/mi
23:14 split
20K· 12.43 mi
1:32:58
Rank: #9653 (+263)
15K → 20K
7:28/mi
23:11 split
Half· 13.11 mi
1:37:54
Rank: #9574 (+79)
20K → Half
7:14/mi
4:56 split
25K· 15.53 mi
1:56:30
Rank: #9643 (-69)
Half → 25K
7:40/mi
18:36 split
30K· 18.64 mi
2:20:59
Rank: #9682 (-39)
25K → 30K
7:53/mi
24:29 split
20M
2:31:50
Rank: #9676 (+6)
30K → 20M
7:59/mi
10:51 split
21M
2:40:10
Rank: #9648 (+28)
20M → 21M
8:20/mi
8:20 split
35K· 21.75 mi
2:45:57
Rank: #9642 (+6)
21M → 35K
7:44/mi
5:47 split
23M
2:55:53
Rank: #9589 (+53)
35K → 23M
7:56/mi
9:56 split
24M
3:03:25
Rank: #9495 (+94)
23M → 24M
7:32/mi
7:32 split
40K· 24.85 mi
3:09:29
Rank: #9230 (+265)
24M → 40K
7:06/mi
6:04 split
25.2M
3:12:23
Rank: #9222 (+8)
40K → 25.2M
8:25/mi
2:54 split
Finish· 26.22 mi
3:20:08
Rank: #9227 (-5)
25.2M → Finish
7:36/mi
7:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:54
Pace7:28 /mi
2nd Half
Distance13.11 mi
Time1:42:14
Pace7:48 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1223:107:2723:10
7:27
-
10K
6.21 mi11:40:3546:337:2923:23
7:32
+0:05
15K
9.32 mi12:03:491:09:477:2923:14
7:29
-0:03
20K
12.43 mi12:27:001:32:587:2923:11
7:28
-0:01
Half
13.11 mi12:31:561:37:547:284:56
7:14
-0:14
25K
15.53 mi12:50:321:56:307:3018:36
7:40
+0:26
30K
18.64 mi13:15:012:20:597:3424:29
7:53
+0:13
20M
20.00 mi13:25:522:31:507:3510:51
7:59
+0:06
21M
21.00 mi13:34:122:40:107:388:20
8:20
+0:21
35K
21.75 mi13:39:592:45:577:385:47
7:44
-0:36
23M
23.00 mi13:49:552:55:537:399:56
7:56
+0:12
24M
24.00 mi13:57:273:03:257:397:32
7:32
-0:24
40K
24.85 mi14:03:313:09:297:376:04
7:06
-0:26
25.2M
25.20 mi14:06:253:12:237:382:54
8:25
+1:19
Finish
26.22 mi14:14:103:20:087:387:45
7:36
-0:49

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

7:06 /mi

Average Pace

7:38 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:38

72% of race

Time at Steady Pace

53:36

27% of race

Time at Slower Pace

2:54

1% of race

Average Pace: 7:38 /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 mi11:17:1223:107:2723:10
7:27
#9266
10K
6.21 mi11:40:3546:337:2923:23
7:32
#9934
15K
9.32 mi12:03:491:09:477:2923:14
7:29
#9916
20K
12.43 mi12:27:001:32:587:2923:11
7:28
#9653
Half
13.11 mi12:31:561:37:547:284:56
7:14
#9574
25K
15.53 mi12:50:321:56:307:3018:36
7:40
#9643
30K
18.64 mi13:15:012:20:597:3424:29
7:53
#9682
20M
20.00 mi13:25:522:31:507:3510:51
7:59
#9676
21M
21.00 mi13:34:122:40:107:388:20
8:20
#9648
35K
21.75 mi13:39:592:45:577:385:47
7:44
#9642
23M
23.00 mi13:49:552:55:537:399:56
7:56
#9589
24M
24.00 mi13:57:273:03:257:397:32
7:32
#9495
40K
24.85 mi14:03:313:09:297:376:04
7:06
#9230
25.2M
25.20 mi14:06:253:12:237:382:54
8:25
#9222
Finish
26.22 mi14:14:103:20:087:387:45
7:36
#9227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9266774277429982(Top 37%)8134(Top 54%)8134(Top 396%)
10K6.21 mi3.10 mi9934-6688108-3668108-36610653(Top 40%)8507(Top 56%)8507(Top 415%)
15K9.32 mi3.11 mi9916+188115-78115-79982(Top 37%)8134(Top 54%)8134(Top 396%)
20K12.43 mi3.11 mi9653+2637958+1577958+1579005(Top 34%)7507(Top 49%)7507(Top 366%)
Half13.11 mi0.68 mi9574+797906+527906+528091(Top 30%)6963(Top 46%)6963(Top 339%)
25K15.53 mi2.42 mi9643-697925-197925-1910055(Top 38%)8013(Top 53%)8013(Top 390%)
30K18.64 mi3.11 mi9682-397913+127913+129969(Top 37%)7807(Top 51%)7807(Top 380%)
20M20.00 mi1.36 mi9676+67882+317882+3110127(Top 38%)7815(Top 51%)7815(Top 381%)
21M21.00 mi1.00 mi9648+287852+307852+309399(Top 35%)7286(Top 48%)7286(Top 355%)
35K21.75 mi0.75 mi9642+67833+197833+1910113(Top 38%)7673(Top 51%)7673(Top 374%)
23M23.00 mi1.25 mi9589+537761+727761+729277(Top 35%)7109(Top 47%)7109(Top 346%)
24M24.00 mi1.00 mi9495+947691+707691+707930(Top 30%)6278(Top 41%)6278(Top 306%)
40K24.85 mi0.85 mi9230+2657506+1857506+1854375(Top 16%)3891(Top 26%)3891(Top 190%)
25.2M25.20 mi0.35 mi9222+87487+197487+198917(Top 33%)6690(Top 44%)6690(Top 326%)
Finish26.22 mi1.02 mi9227-57466+217466+219290(Top 35%)6910(Top 46%)6910(Top 337%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9982

Males

8134

M50-54

8134

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

10653

Males

8507

M50-54

8507

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9982

Males

8134

M50-54

8134

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9005

Males

7507

M50-54

7507

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8091

Males

6963

M50-54

6963

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10055

Males

8013

M50-54

8013

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9969

Males

7807

M50-54

7807

30K→20M

18.6 - 20.0 mi

Top 38%
×5story building
+64ft-50ft

Overall

10127

Males

7815

M50-54

7815

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

9399

Males

7286

M50-54

7286

21M→35K

21.0 - 21.8 mi

Top 38%
×7story building
+17ft-86ft

Overall

10113

Males

7673

M50-54

7673

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9277

Males

7109

M50-54

7109

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

7930

Males

6278

M50-54

6278

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4375

Males

3891

M50-54

3891

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8917

Males

6690

M50-54

6690

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9290

Males

6910

M50-54

6910

Passing Analysis

Category:
Athletes Passed
1739*
Passed By
1699
Net Change
+39
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9266
5K → 10K91759-668#9266#9934
10K → 15K193174+18#9934#9916
15K → 20K304*41+263#9916#9653
20K → Half801+79#9653#9574
Half → 25K110179-69#9574#9643
25K → 30K156*195-39#9643#9682
30K → 20M9286+6#9682#9676
20M → 21M8355+28#9676#9648
21M → 35K3832+6#9648#9642
35K → 23M12471+53#9642#9589
23M → 24M11420+94#9589#9495
24M → 40K265*0+265#9495#9230
40K → 25.2M3224+8#9230#9222
25.2M → Finish5762-5#9222#9227
TOTALS1739*1699+39

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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