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BOSTON MARATHON 2023

Jason Gray

Bib: 25217•M

AL

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

Start
0:00:00
Race begins
5K· 3.11 mi
28:22
Rank: #20973
Start → 5K
28:22 | 9:08/mi
10K· 6.21 mi
56:07
Rank: #20770 (+203)
5K → 10K
27:45 | 8:56/mi
15K· 9.32 mi
1:23:12
Rank: #20242 (+528)
10K → 15K
27:05 | 8:43/mi
20K· 12.43 mi
1:50:12
Rank: #19684 (+558)
15K → 20K
27:00 | 8:41/mi
Half· 13.11 mi
1:55:45
Rank: #19487 (+197)
20K → Half
5:33 | 8:08/mi
25K· 15.53 mi
2:18:19
Rank: #19639 (-152)
Half → 25K
22:34 | 9:18/mi
30K· 18.64 mi
2:47:29
Rank: #19524 (+115)
25K → 30K
29:10 | 9:23/mi
20M
3:00:26
Rank: #19464 (+60)
30K → 20M
12:57 | 9:32/mi
21M
3:11:13
Rank: #19531 (-67)
20M → 21M
10:47 | 10:47/mi
35K· 21.75 mi
3:18:08
Rank: #19517 (+14)
21M → 35K
6:55 | 9:15/mi
23M
3:30:28
Rank: #19524 (-7)
35K → 23M
12:20 | 9:51/mi
24M
3:39:26
Rank: #19425 (+99)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:47:25
Rank: #19377 (+48)
24M → 40K
7:59 | 9:20/mi
25.2M
3:51:21
Rank: #19433 (-56)
40K → 25.2M
3:56 | 11:24/mi
Finish· 26.22 mi
4:00:42
Rank: #19425 (+8)
25.2M → Finish
9:21 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:45
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:04:57
Pace9:32 /mi
📊Positive Split: 7.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5928:229:0828:22
9:08
-
10K
6.21 mi12:11:4456:079:0227:45
8:56
-0:12
15K
9.32 mi12:38:491:23:128:5627:05
8:43
-0:13
20K
12.43 mi13:05:491:50:128:5227:00
8:41
-0:02
Half
13.11 mi13:11:221:55:458:505:33
8:08
-0:33
25K
15.53 mi13:33:562:18:198:5422:34
9:18
+1:10
30K
18.64 mi14:03:062:47:298:5929:10
9:23
+0:05
20M
20.00 mi14:16:033:00:269:0112:57
9:32
+0:09
21M
21.00 mi14:26:503:11:139:0610:47
10:47
+1:15
35K
21.75 mi14:33:453:18:089:076:55
9:15
-1:32
23M
23.00 mi14:46:053:30:289:0912:20
9:51
+0:36
24M
24.00 mi14:55:033:39:269:098:58
8:58
-0:53
40K
24.85 mi15:03:023:47:259:097:59
9:20
+0:22
25.2M
25.20 mi15:06:583:51:219:113:56
11:24
+2:04
Finish
26.22 mi15:16:194:00:429:119:21
9:11
-2:13

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

8:08 /mi

Average Pace

9:11 /mi

Slowest Pace

11:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

59:38

25% of race

Time at Steady Pace

2:34:01

64% of race

Time at Slower Pace

27:03

11% of race

Average Pace: 9:11 /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 mi11:43:5928:229:0828:22
9:08
#20973
10K
6.21 mi12:11:4456:079:0227:45
8:56
#20770
15K
9.32 mi12:38:491:23:128:5627:05
8:43
#20242
20K
12.43 mi13:05:491:50:128:5227:00
8:41
#19684
Half
13.11 mi13:11:221:55:458:505:33
8:08
#19487
25K
15.53 mi13:33:562:18:198:5422:34
9:18
#19639
30K
18.64 mi14:03:062:47:298:5929:10
9:23
#19524
20M
20.00 mi14:16:033:00:269:0112:57
9:32
#19464
21M
21.00 mi14:26:503:11:139:0610:47
10:47
#19531
35K
21.75 mi14:33:453:18:089:076:55
9:15
#19517
23M
23.00 mi14:46:053:30:289:0912:20
9:51
#19524
24M
24.00 mi14:55:033:39:269:098:58
8:58
#19425
40K
24.85 mi15:03:023:47:259:097:59
9:20
#19377
25.2M
25.20 mi15:06:583:51:219:113:56
11:24
#19433
Finish
26.22 mi15:16:194:00:429:119:21
9:11
#19425
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi20973125961259619071(Top 72%)11904(Top 78%)11904(Top 529%)
10K6.21 mi3.10 mi20770+20312567+2912567+2920576(Top 77%)12530(Top 83%)12530(Top 556%)
15K9.32 mi3.11 mi20242+52812350+21712350+21719071(Top 72%)11904(Top 78%)11904(Top 529%)
20K12.43 mi3.11 mi19684+55812128+22212128+22218059(Top 68%)11499(Top 76%)11499(Top 511%)
Half13.11 mi0.68 mi19487+19712042+8612042+8615333(Top 58%)10445(Top 69%)10445(Top 464%)
25K15.53 mi2.42 mi19639-15212110-6812110-6820216(Top 76%)12376(Top 82%)12376(Top 550%)
30K18.64 mi3.11 mi19524+11512062+4812062+4818979(Top 71%)11775(Top 78%)11775(Top 523%)
20M20.00 mi1.36 mi19464+6012014+4812014+4818963(Top 71%)11665(Top 77%)11665(Top 518%)
21M21.00 mi1.00 mi19531-6712032-1812032-1820325(Top 76%)12202(Top 80%)12202(Top 542%)
35K21.75 mi0.75 mi19517+1412024+812024+818911(Top 71%)11546(Top 76%)11546(Top 513%)
23M23.00 mi1.25 mi19524-712023+112023+119564(Top 73%)11823(Top 78%)11823(Top 525%)
24M24.00 mi1.00 mi19425+9911970+5311970+5317067(Top 64%)10657(Top 70%)10657(Top 473%)
40K24.85 mi0.85 mi19377+4811941+2911941+2917682(Top 66%)10886(Top 72%)10886(Top 483%)
25.2M25.20 mi0.35 mi19433-5611960-1911960-1921323(Top 80%)12530(Top 83%)12530(Top 556%)
Finish26.22 mi1.02 mi19425+811948+1211948+1218792(Top 71%)11444(Top 75%)11444(Top 508%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19071

Males

11904

M45-49

11904

5K→10K

3.1 - 6.2 mi

Top 77%
×5stories
+79ft-138ft

Overall

20576

Males

12530

M45-49

12530

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19071

Males

11904

M45-49

11904

15K→20K

9.3 - 12.4 mi

Top 68%
×5stories
+106ft-86ft

Overall

18059

Males

11499

M45-49

11499

20K→Half

12.4 - 13.1 mi

Top 58%
×2stories
+19ft-37ft

Overall

15333

Males

10445

M45-49

10445

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20216

Males

12376

M45-49

12376

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

18979

Males

11775

M45-49

11775

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18963

Males

11665

M45-49

11665

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20325

Males

12202

M45-49

12202

21M→35K

21.0 - 21.8 mi

Top 71%
×7stories
+17ft-86ft

Overall

18911

Males

11546

M45-49

11546

35K→23M

21.8 - 23.0 mi

Top 73%
×5stories
+23ft-63ft

Overall

19564

Males

11823

M45-49

11823

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17067

Males

10657

M45-49

10657

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17682

Males

10886

M45-49

10886

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

21323

Males

12530

M45-49

12530

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2stories
+22ft-21ft

Overall

18792

Males

11444

M45-49

11444

Passing Analysis

Category:
Athletes Passed
2564
Passed By
1016
Net Change
+1548
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20973
5K → 10K410207+203#20973#20770
10K → 15K55325+528#20770#20242
15K → 20K57113+558#20242#19684
20K → Half1970+197#19684#19487
Half → 25K77229-152#19487#19639
25K → 30K216101+115#19639#19524
30K → 20M11454+60#19524#19464
20M → 21M58125-67#19464#19531
21M → 35K4935+14#19531#19517
35K → 23M7077-7#19517#19524
23M → 24M11213+99#19524#19425
24M → 40K7628+48#19425#19377
40K → 25.2M1066-56#19377#19433
25.2M → Finish5143+8#19433#19425
TOTALS25641016+1548
📊

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