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BOSTON MARATHON 2023

David Gray

Bib: 18110•M

FL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M55-59)
#0 / 1422
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:35
Rank: #15683
Start → 5K
25:35 | 8:14/mi
10K· 6.21 mi
50:53
Rank: #15733 (-50)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:16:08
Rank: #15601 (+132)
10K → 15K
25:15 | 8:08/mi
20K· 12.43 mi
1:41:34
Rank: #15392 (+209)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:47:09
Rank: #15403 (-11)
20K → Half
5:35 | 8:11/mi
25K· 15.53 mi
2:07:07
Rank: #15230 (+173)
Half → 25K
19:58 | 8:14/mi
30K· 18.64 mi
2:34:06
Rank: #15234 (-4)
25K → 30K
26:59 | 8:41/mi
20M
2:46:31
Rank: #15416 (-182)
30K → 20M
12:25 | 9:08/mi
21M
2:56:20
Rank: #15511 (-95)
20M → 21M
9:49 | 9:49/mi
35K· 21.75 mi
3:02:52
Rank: #15552 (-41)
21M → 35K
6:32 | 8:44/mi
23M
3:14:10
Rank: #15572 (-20)
35K → 23M
11:18 | 9:02/mi
24M
3:22:57
Rank: #15579 (-7)
23M → 24M
8:47 | 8:47/mi
40K· 24.85 mi
3:30:44
Rank: #15642 (-63)
24M → 40K
7:47 | 9:06/mi
25.2M
3:34:11
Rank: #15670 (-28)
40K → 25.2M
3:27 | 10:00/mi
Finish· 26.22 mi
3:43:26
Rank: #15783 (-113)
25.2M → Finish
9:15 | 9:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:09
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:56:17
Pace8:52 /mi
📊Positive Split: 8.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3825:358:1425:35
8:14
-
10K
6.21 mi11:41:5650:538:1125:18
8:09
-0:05
15K
9.32 mi12:07:111:16:088:1025:15
8:08
-0:01
20K
12.43 mi12:32:371:41:348:1025:26
8:11
+0:03
Half
13.11 mi12:38:121:47:098:105:35
8:11
0:00
25K
15.53 mi12:58:102:07:078:1119:58
8:14
+0:03
30K
18.64 mi13:25:092:34:068:1626:59
8:41
+0:27
20M
20.00 mi13:37:342:46:318:2012:25
9:08
+0:27
21M
21.00 mi13:47:232:56:208:249:49
9:49
+0:41
35K
21.75 mi13:53:553:02:528:256:32
8:44
-1:05
23M
23.00 mi14:05:133:14:108:2711:18
9:02
+0:18
24M
24.00 mi14:14:003:22:578:278:47
8:47
-0:15
40K
24.85 mi14:21:473:30:448:297:47
9:06
+0:19
25.2M
25.20 mi14:25:143:34:118:303:27
10:00
+0:54
Finish
26.22 mi14:34:293:43:268:329:15
9:05
-0:55

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

8:32 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:07

57% of race

Time at Steady Pace

42:18

19% of race

Time at Slower Pace

54:01

24% of race

Average Pace: 8:31 /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 mi11:16:3825:358:1425:35
8:14
#15683
10K
6.21 mi11:41:5650:538:1125:18
8:09
#15733
15K
9.32 mi12:07:111:16:088:1025:15
8:08
#15601
20K
12.43 mi12:32:371:41:348:1025:26
8:11
#15392
Half
13.11 mi12:38:121:47:098:105:35
8:11
#15403
25K
15.53 mi12:58:102:07:078:1119:58
8:14
#15230
30K
18.64 mi13:25:092:34:068:1626:59
8:41
#15234
20M
20.00 mi13:37:342:46:318:2012:25
9:08
#15416
21M
21.00 mi13:47:232:56:208:249:49
9:49
#15511
35K
21.75 mi13:53:553:02:528:256:32
8:44
#15552
23M
23.00 mi14:05:133:14:108:2711:18
9:02
#15572
24M
24.00 mi14:14:003:22:578:278:47
8:47
#15579
40K
24.85 mi14:21:473:30:448:297:47
9:06
#15642
25.2M
25.20 mi14:25:143:34:118:303:27
10:00
#15670
Finish
26.22 mi14:34:293:43:268:329:15
9:05
#15783
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15683105791057915337(Top 58%)10449(Top 69%)10449(Top 735%)
10K6.21 mi3.10 mi15733-5010598-1910598-1915831(Top 59%)10646(Top 70%)10646(Top 749%)
15K9.32 mi3.11 mi15601+13210544+5410544+5415337(Top 58%)10449(Top 69%)10449(Top 735%)
20K12.43 mi3.11 mi15392+20910450+9410450+9414876(Top 56%)10228(Top 67%)10228(Top 719%)
Half13.11 mi0.68 mi15403-11104501045015631(Top 59%)10539(Top 69%)10539(Top 741%)
25K15.53 mi2.42 mi15230+17310353+9710353+9714483(Top 54%)9967(Top 66%)9967(Top 701%)
30K18.64 mi3.11 mi15234-410311+4210311+4215427(Top 58%)10226(Top 67%)10226(Top 719%)
20M20.00 mi1.36 mi15416-18210356-4510356-4517230(Top 65%)10908(Top 72%)10908(Top 767%)
21M21.00 mi1.00 mi15511-9510368-1210368-1217301(Top 65%)10911(Top 72%)10911(Top 767%)
35K21.75 mi0.75 mi15552-4110363+510363+516557(Top 62%)10509(Top 69%)10509(Top 739%)
23M23.00 mi1.25 mi15572-2010342+2110342+2116167(Top 61%)10314(Top 68%)10314(Top 725%)
24M24.00 mi1.00 mi15579-710327+1510327+1516081(Top 60%)10209(Top 67%)10209(Top 718%)
40K24.85 mi0.85 mi15642-6310350-2310350-2316626(Top 62%)10409(Top 69%)10409(Top 732%)
25.2M25.20 mi0.35 mi15670-2810363-1310363-1317337(Top 65%)10690(Top 70%)10690(Top 752%)
Finish26.22 mi1.02 mi15783-11310397-3410397-3418340(Top 69%)11233(Top 74%)11233(Top 790%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21stories
+97ft-345ft

Overall

15337

Males

10449

M55-59

10449

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

15831

Males

10646

M55-59

10646

10K→15K

6.2 - 9.3 mi

Top 58%
×3stories
+67ft-78ft

Overall

15337

Males

10449

M55-59

10449

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14876

Males

10228

M55-59

10228

20K→Half

12.4 - 13.1 mi

Top 59%
×2stories
+19ft-37ft

Overall

15631

Males

10539

M55-59

10539

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14483

Males

9967

M55-59

9967

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15427

Males

10226

M55-59

10226

30K→20M

18.6 - 20.0 mi

Top 65%
×5stories
+64ft-50ft

Overall

17230

Males

10908

M55-59

10908

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17301

Males

10911

M55-59

10911

21M→35K

21.0 - 21.8 mi

Top 62%
×7stories
+17ft-86ft

Overall

16557

Males

10509

M55-59

10509

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

16167

Males

10314

M55-59

10314

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

16081

Males

10209

M55-59

10209

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16626

Males

10409

M55-59

10409

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17337

Males

10690

M55-59

10690

25.2M→Finish

25.2 - 26.2 mi

Top 69%
×2stories
+22ft-21ft

Overall

18340

Males

11233

M55-59

11233

Passing Analysis

Category:
Athletes Passed
1607
Passed By
1707
Net Change
-100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15683
5K → 10K271321-50#15683#15733
10K → 15K257125+132#15733#15601
15K → 20K28374+209#15601#15392
20K → Half3243-11#15392#15403
Half → 25K22350+173#15403#15230
25K → 30K182186-4#15230#15234
30K → 20M35217-182#15234#15416
20M → 21M59154-95#15416#15511
21M → 35K3273-41#15511#15552
35K → 23M7797-20#15552#15572
23M → 24M6370-7#15572#15579
24M → 40K44107-63#15579#15642
40K → 25.2M1947-28#15642#15670
25.2M → Finish30143-113#15670#15783
TOTALS16071707-100
📊

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