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BOSTON MARATHON 2023

John Joyner

Bib: 6254•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:32/mi
26:30
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:11
↑ 79↓ 1380.4%
15K· 9.32 mi
8:41/mi
1:20:11
↑ 67↓ 78
20K· 12.43 mi
9:02/mi
1:48:14
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:54:07
↑ 19↓ 370.5%
25K· 15.53 mi
8:43/mi
2:15:16
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:43:28
↑ 181↓ 1480.2%
20M
9:12/mi
2:55:58
↑ 64↓ 500.2%
21M
10:47/mi
3:06:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:57/mi
3:13:27
↑ 17↓ 861.7%
23M
9:40/mi
3:25:33
↑ 23↓ 630.6%
24M
8:47/mi
3:34:20
↓ 821.3%
40K· 24.85 mi
9:18/mi
3:42:17
↓ 200.3%
25.2M
10:32/mi
3:45:55
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:55:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:07
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:01:10
Pace9:15 /mi
📊Positive Split: 6.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4926:308:3226:30
8:32
-
10K
6.21 mi11:44:3053:118:3426:41
8:35
+0:03
15K
9.32 mi12:11:301:20:118:3627:00
8:41
+0:06
20K
12.43 mi12:39:331:48:148:4328:03
9:02
+0:21
Half
13.11 mi12:45:261:54:078:425:53
8:37
-0:25
25K
15.53 mi13:06:352:15:168:4221:09
8:43
+0:06
30K
18.64 mi13:34:472:43:288:4628:12
9:05
+0:22
20M
20.00 mi13:47:172:55:588:4812:30
9:12
+0:07
21M
21.00 mi13:58:043:06:458:5410:47
10:47
+1:35
35K
21.75 mi14:04:463:13:278:546:42
8:57
-1:50
23M
23.00 mi14:16:523:25:338:5612:06
9:40
+0:43
24M
24.00 mi14:25:393:34:208:568:47
8:47
-0:53
40K
24.85 mi14:33:363:42:178:577:57
9:18
+0:31
25.2M
25.20 mi14:37:143:45:558:583:38
10:32
+1:14
Finish
26.22 mi14:46:363:55:178:599:22
9:11
-1:21

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

8:32 /mi

Average Pace

8:59 /mi

Slowest Pace

10:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:04

37% of race

Time at Steady Pace

2:02:42

52% of race

Time at Slower Pace

26:31

11% of race

Average Pace: 8:58 /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 mi11:17:4926:308:3226:30
8:32
#17747
10K
6.21 mi11:44:3053:118:3426:41
8:35
#18245
15K
9.32 mi12:11:301:20:118:3627:00
8:41
#18492
20K
12.43 mi12:39:331:48:148:4328:03
9:02
#18841
Half
13.11 mi12:45:261:54:078:425:53
8:37
#18816
25K
15.53 mi13:06:352:15:168:4221:09
8:43
#18614
30K
18.64 mi13:34:472:43:288:4628:12
9:05
#18388
20M
20.00 mi13:47:172:55:588:4812:30
9:12
#18326
21M
21.00 mi13:58:043:06:458:5410:47
10:47
#18504
35K
21.75 mi14:04:463:13:278:546:42
8:57
#18460
23M
23.00 mi14:16:523:25:338:5612:06
9:40
#18495
24M
24.00 mi14:25:393:34:208:568:47
8:47
#18405
40K
24.85 mi14:33:363:42:178:577:57
9:18
#18365
25.2M
25.20 mi14:37:143:45:558:583:38
10:32
#18386
Finish
26.22 mi14:46:363:55:178:599:22
9:11
#18423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi17747113291132918916(Top 71%)11842(Top 78%)11842(Top 526%)
10K6.21 mi3.10 mi18245-49811559-23011559-23018786(Top 71%)11813(Top 78%)11813(Top 525%)
15K9.32 mi3.11 mi18492-24711660-10111660-10118916(Top 71%)11842(Top 78%)11842(Top 526%)
20K12.43 mi3.11 mi18841-34911797-13711797-13719824(Top 74%)12231(Top 81%)12231(Top 543%)
Half13.11 mi0.68 mi18816+2511782+1511782+1518436(Top 69%)11675(Top 77%)11675(Top 518%)
25K15.53 mi2.42 mi18614+20211693+8911693+8917490(Top 66%)11194(Top 74%)11194(Top 497%)
30K18.64 mi3.11 mi18388+22611572+12111572+12117573(Top 66%)11156(Top 74%)11156(Top 495%)
20M20.00 mi1.36 mi18326+6211530+4211530+4217531(Top 66%)11045(Top 73%)11045(Top 490%)
21M21.00 mi1.00 mi18504-17811604-7411604-7420321(Top 76%)12198(Top 80%)12198(Top 542%)
35K21.75 mi0.75 mi18460+4411573+3111573+3117715(Top 67%)11023(Top 73%)11023(Top 489%)
23M23.00 mi1.25 mi18495-3511578-511578-518939(Top 71%)11547(Top 76%)11547(Top 513%)
24M24.00 mi1.00 mi18405+9011528+5011528+5016098(Top 60%)10226(Top 67%)10226(Top 454%)
40K24.85 mi0.85 mi18365+4011498+3011498+3017505(Top 66%)10803(Top 71%)10803(Top 480%)
25.2M25.20 mi0.35 mi18386-2111503-511503-519180(Top 72%)11552(Top 76%)11552(Top 513%)
Finish26.22 mi1.02 mi18423-3711508-511508-518856(Top 71%)11472(Top 76%)11472(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18916

Males

11842

M45-49

11842

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18786

Males

11813

M45-49

11813

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18916

Males

11842

M45-49

11842

15K→20K

9.3 - 12.4 mi

Top 74%
×5story building
+106ft-86ft

Overall

19824

Males

12231

M45-49

12231

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18436

Males

11675

M45-49

11675

Half→25K

13.1 - 15.5 mi

Top 66%
×4story building
+66ft-88ft

Overall

17490

Males

11194

M45-49

11194

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17573

Males

11156

M45-49

11156

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

17531

Males

11045

M45-49

11045

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20321

Males

12198

M45-49

12198

21M→35K

21.0 - 21.8 mi

Top 67%
×7story building
+17ft-86ft

Overall

17715

Males

11023

M45-49

11023

35K→23M

21.8 - 23.0 mi

Top 71%
×5story building
+23ft-63ft

Overall

18939

Males

11547

M45-49

11547

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16098

Males

10226

M45-49

10226

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17505

Males

10803

M45-49

10803

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1story
+13ft-16ft

Overall

19180

Males

11552

M45-49

11552

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18856

Males

11472

M45-49

11472

Passing Analysis

Category:
Athletes Passed
1386
Passed By
2062
Net Change
-676
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17747
5K → 10K126624-498#17747#18245
10K → 15K106353-247#18245#18492
15K → 20K72421-349#18492#18841
20K → Half3914+25#18841#18816
Half → 25K23432+202#18816#18614
25K → 30K28963+226#18614#18388
30K → 20M11957+62#18388#18326
20M → 21M39217-178#18326#18504
21M → 35K7026+44#18504#18460
35K → 23M65100-35#18460#18495
23M → 24M10818+90#18495#18405
24M → 40K6626+40#18405#18365
40K → 25.2M1738-21#18365#18386
25.2M → Finish3673-37#18386#18423
TOTALS13862062-676
📊

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