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BOSTON MARATHON 2023

David Gross

Bib: 22682•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Top 47%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:26
Rank: #17594
Start → 5K
26:26 | 8:30/mi
10K· 6.21 mi
53:02
Rank: #18105 (-511)
5K → 10K
26:36 | 8:34/mi
15K· 9.32 mi
1:19:38
Rank: #18127 (-22)
10K → 15K
26:36 | 8:34/mi
20K· 12.43 mi
1:45:59
Rank: #17751 (+376)
15K → 20K
26:21 | 8:29/mi
Half· 13.11 mi
1:51:52
Rank: #17768 (-17)
20K → Half
5:53 | 8:37/mi
25K· 15.53 mi
2:12:47
Rank: #17611 (+157)
Half → 25K
20:55 | 8:38/mi
30K· 18.64 mi
2:39:41
Rank: #17156 (+455)
25K → 30K
26:54 | 8:39/mi
20M
2:51:24
Rank: #16944 (+212)
30K → 20M
11:43 | 8:37/mi
21M
3:01:15
Rank: #16974 (-30)
20M → 21M
9:51 | 9:51/mi
35K· 21.75 mi
3:07:41
Rank: #16937 (+37)
21M → 35K
6:26 | 8:36/mi
23M
3:18:53
Rank: #16856 (+81)
35K → 23M
11:12 | 8:57/mi
24M
3:27:32
Rank: #16798 (+58)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:35:44
Rank: #16879 (-81)
24M → 40K
8:12 | 9:35/mi
25.2M
3:39:13
Rank: #16901 (-22)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
3:48:44
Rank: #17034 (-133)
25.2M → Finish
9:31 | 9:20/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:52
Pace8:32 /mi
2nd Half
Distance13.11 mi
Time1:56:52
Pace8:55 /mi
📊Positive Split: 4.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:3826:268:3026:26
8:30
-
10K
6.21 mi11:49:1453:028:3226:36
8:34
+0:04
15K
9.32 mi12:15:501:19:388:3326:36
8:34
0:00
20K
12.43 mi12:42:111:45:598:3226:21
8:29
-0:05
Half
13.11 mi12:48:041:51:528:325:53
8:37
+0:08
25K
15.53 mi13:08:592:12:478:3320:55
8:38
+0:01
30K
18.64 mi13:35:532:39:418:3426:54
8:39
+0:01
20M
20.00 mi13:47:362:51:248:3411:43
8:37
-0:02
21M
21.00 mi13:57:273:01:158:389:51
9:51
+1:14
35K
21.75 mi14:03:533:07:418:386:26
8:36
-1:15
23M
23.00 mi14:15:053:18:538:3911:12
8:57
+0:21
24M
24.00 mi14:23:443:27:328:398:39
8:39
-0:18
40K
24.85 mi14:31:563:35:448:418:12
9:35
+0:56
25.2M
25.20 mi14:35:253:39:138:423:29
10:06
+0:31
Finish
26.22 mi14:44:563:48:448:449:31
9:20
-0:46

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

8:29 /mi

Average Pace

8:44 /mi

Slowest Pace

10:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:17:41

86% of race

Time at Steady Pace

27:34

12% of race

Time at Slower Pace

3:29

2% of race

Average Pace: 8:43 /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 mi11:22:3826:268:3026:26
8:30
#17594
10K
6.21 mi11:49:1453:028:3226:36
8:34
#18105
15K
9.32 mi12:15:501:19:388:3326:36
8:34
#18127
20K
12.43 mi12:42:111:45:598:3226:21
8:29
#17751
Half
13.11 mi12:48:041:51:528:325:53
8:37
#17768
25K
15.53 mi13:08:592:12:478:3320:55
8:38
#17611
30K
18.64 mi13:35:532:39:418:3426:54
8:39
#17156
20M
20.00 mi13:47:362:51:248:3411:43
8:37
#16944
21M
21.00 mi13:57:273:01:158:389:51
9:51
#16974
35K
21.75 mi14:03:533:07:418:386:26
8:36
#16937
23M
23.00 mi14:15:053:18:538:3911:12
8:57
#16856
24M
24.00 mi14:23:443:27:328:398:39
8:39
#16798
40K
24.85 mi14:31:563:35:448:418:12
9:35
#16879
25.2M
25.20 mi14:35:253:39:138:423:29
10:06
#16901
Finish
26.22 mi14:44:563:48:448:449:31
9:20
#17034
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi17594112611126118197(Top 68%)11562(Top 76%)11562(Top 1042%)
10K6.21 mi3.10 mi18105-51111494-23311494-23318625(Top 70%)11755(Top 77%)11755(Top 1059%)
15K9.32 mi3.11 mi18127-2211505-1111505-1118197(Top 68%)11562(Top 76%)11562(Top 1042%)
20K12.43 mi3.11 mi17751+37611354+15111354+15116735(Top 63%)10941(Top 72%)10941(Top 986%)
Half13.11 mi0.68 mi17768-1711361-711361-718416(Top 69%)11655(Top 77%)11655(Top 1050%)
25K15.53 mi2.42 mi17611+15711288+7311288+7316955(Top 64%)10952(Top 72%)10952(Top 987%)
30K18.64 mi3.11 mi17156+45511082+20611082+20615265(Top 57%)10156(Top 67%)10156(Top 915%)
20M20.00 mi1.36 mi16944+21210986+9610986+9614400(Top 54%)9746(Top 64%)9746(Top 878%)
21M21.00 mi1.00 mi16974-3010978+810978+817428(Top 65%)10963(Top 72%)10963(Top 988%)
35K21.75 mi0.75 mi16937+3710966+1210966+1215834(Top 59%)10225(Top 67%)10225(Top 921%)
23M23.00 mi1.25 mi16856+8110899+6710899+6715763(Top 59%)10137(Top 67%)10137(Top 913%)
24M24.00 mi1.00 mi16798+5810851+4810851+4815357(Top 58%)9894(Top 65%)9894(Top 891%)
40K24.85 mi0.85 mi16879-8110870-1910870-1918624(Top 70%)11314(Top 75%)11314(Top 1019%)
25.2M25.20 mi0.35 mi16901-2210866+410866+417731(Top 67%)10890(Top 72%)10890(Top 981%)
Finish26.22 mi1.02 mi17034-13310918-5210918-5219502(Top 73%)11747(Top 77%)11747(Top 1058%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18197

Males

11562

M60-64

11562

5K→10K

3.1 - 6.2 mi

Top 70%
×5stories
+79ft-138ft

Overall

18625

Males

11755

M60-64

11755

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18197

Males

11562

M60-64

11562

15K→20K

9.3 - 12.4 mi

Top 63%
×5stories
+106ft-86ft

Overall

16735

Males

10941

M60-64

10941

20K→Half

12.4 - 13.1 mi

Top 69%
×2stories
+19ft-37ft

Overall

18416

Males

11655

M60-64

11655

Half→25K

13.1 - 15.5 mi

Top 64%
×4stories
+66ft-88ft

Overall

16955

Males

10952

M60-64

10952

25K→30K

15.5 - 18.6 mi

Top 57%
×9stories
+181ft-148ft

Overall

15265

Males

10156

M60-64

10156

30K→20M

18.6 - 20.0 mi

Top 54%
×5stories
+64ft-50ft

Overall

14400

Males

9746

M60-64

9746

20M→21M

20.0 - 21.0 mi

Top 65%
×8stories
+106ft-24ft

Overall

17428

Males

10963

M60-64

10963

21M→35K

21.0 - 21.8 mi

Top 59%
×7stories
+17ft-86ft

Overall

15834

Males

10225

M60-64

10225

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

15763

Males

10137

M60-64

10137

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

15357

Males

9894

M60-64

9894

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18624

Males

11314

M60-64

11314

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17731

Males

10890

M60-64

10890

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19502

Males

11747

M60-64

11747

Passing Analysis

Category:
Athletes Passed
2060
Passed By
1500
Net Change
+560
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17594
5K → 10K126637-511#17594#18105
10K → 15K182204-22#18105#18127
15K → 20K40933+376#18127#17751
20K → Half2744-17#17751#17768
Half → 25K20043+157#17768#17611
25K → 30K46712+455#17611#17156
30K → 20M2164+212#17156#16944
20M → 21M75105-30#16944#16974
21M → 35K5821+37#16974#16937
35K → 23M12645+81#16937#16856
23M → 24M9436+58#16856#16798
24M → 40K32113-81#16798#16879
40K → 25.2M2244-22#16879#16901
25.2M → Finish26159-133#16901#17034
TOTALS20601500+560
📊

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