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BOSTON MARATHON 2023

Jerry Grove

Bib: 26581•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
32:09
Rank: #24347
Start → 5K
10:21/mi
32:09 split
10K· 6.21 mi
1:04:45
Rank: #24529 (-182)
5K → 10K
10:30/mi
32:36 split
15K· 9.32 mi
1:38:23
Rank: #24729 (-200)
10K → 15K
10:50/mi
33:38 split
20K· 12.43 mi
2:12:44
Rank: #24724 (+5)
15K → 20K
11:03/mi
34:21 split
Half· 13.11 mi
2:20:09
Rank: #24732 (-8)
20K → Half
10:52/mi
7:25 split
25K· 15.53 mi
2:47:26
Rank: #24679 (+53)
Half → 25K
11:15/mi
27:17 split
30K· 18.64 mi
3:23:12
Rank: #24531 (+148)
25K → 30K
11:31/mi
35:46 split
20M
3:39:00
Rank: #24456 (+75)
30K → 20M
11:38/mi
15:48 split
21M
3:51:45
Rank: #24424 (+32)
20M → 21M
12:45/mi
12:45 split
35K· 21.75 mi
3:59:34
Rank: #24340 (+84)
21M → 35K
10:27/mi
7:49 split
23M
4:14:55
Rank: #24364 (-24)
35K → 23M
12:16/mi
15:21 split
24M
4:26:54
Rank: #24380 (-16)
23M → 24M
11:59/mi
11:59 split
40K· 24.85 mi
4:37:09
Rank: #24375 (+5)
24M → 40K
11:59/mi
10:15 split
25.2M
4:41:33
Rank: #24367 (+8)
40K → 25.2M
12:46/mi
4:24 split
Finish· 26.22 mi
4:53:14
Rank: #24392 (-25)
25.2M → Finish
11:28/mi
11:41 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:20:09
Pace10:41 /mi
2nd Half
Distance13.11 mi
Time2:33:05
Pace11:41 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:48:2932:0910:2132:09
10:21
-
10K
6.21 mi12:21:051:04:4510:2532:36
10:30
+0:09
15K
9.32 mi12:54:431:38:2310:3333:38
10:50
+0:20
20K
12.43 mi13:29:042:12:4410:4134:21
11:03
+0:13
Half
13.11 mi13:36:292:20:0910:417:25
10:52
-0:11
25K
15.53 mi14:03:462:47:2610:4727:17
11:15
+0:23
30K
18.64 mi14:39:323:23:1210:5435:46
11:31
+0:16
20M
20.00 mi14:55:203:39:0010:5715:48
11:38
+0:07
21M
21.00 mi15:08:053:51:4511:0212:45
12:45
+1:07
35K
21.75 mi15:15:543:59:3411:017:49
10:27
-2:18
23M
23.00 mi15:31:154:14:5511:0515:21
12:16
+1:49
24M
24.00 mi15:43:144:26:5411:0711:59
11:59
-0:17
40K
24.85 mi15:53:294:37:0911:0910:15
11:59
0:00
25.2M
25.20 mi15:57:534:41:3311:104:24
12:46
+0:47
Finish
26.22 mi16:09:344:53:1411:1211:41
11:28
-1:18

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

10:21 /mi

Average Pace

11:12 /mi

Slowest Pace

12:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:58

50% of race

Time at Steady Pace

1:30:32

31% of race

Time at Slower Pace

54:44

19% of race

Average Pace: 11:11 /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 mi11:48:2932:0910:2132:09
10:21
#24347
10K
6.21 mi12:21:051:04:4510:2532:36
10:30
#24529
15K
9.32 mi12:54:431:38:2310:3333:38
10:50
#24729
20K
12.43 mi13:29:042:12:4410:4134:21
11:03
#24724
Half
13.11 mi13:36:292:20:0910:417:25
10:52
#24732
25K
15.53 mi14:03:462:47:2610:4727:17
11:15
#24679
30K
18.64 mi14:39:323:23:1210:5435:46
11:31
#24531
20M
20.00 mi14:55:203:39:0010:5715:48
11:38
#24456
21M
21.00 mi15:08:053:51:4511:0212:45
12:45
#24424
35K
21.75 mi15:15:543:59:3411:017:49
10:27
#24340
23M
23.00 mi15:31:154:14:5511:0515:21
12:16
#24364
24M
24.00 mi15:43:144:26:5411:0711:59
11:59
#24380
40K
24.85 mi15:53:294:37:0911:0910:15
11:59
#24375
25.2M
25.20 mi15:57:534:41:3311:104:24
12:46
#24367
Finish
26.22 mi16:09:344:53:1411:1211:41
11:28
#24392
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24347142591425924965(Top 94%)14504(Top 96%)14504(Top 6809%)
10K6.21 mi3.10 mi24529-18214331-7214331-7224670(Top 93%)14389(Top 95%)14389(Top 6755%)
15K9.32 mi3.11 mi24729-20014414-8314414-8324965(Top 94%)14504(Top 96%)14504(Top 6809%)
20K12.43 mi3.11 mi24724+514398+1614398+1624696(Top 93%)14370(Top 95%)14370(Top 6746%)
Half13.11 mi0.68 mi24732-814400-214400-224749(Top 93%)14378(Top 95%)14378(Top 6750%)
25K15.53 mi2.42 mi24679+5314366+3414366+3424337(Top 91%)14181(Top 93%)14181(Top 6658%)
30K18.64 mi3.11 mi24531+14814286+8014286+8023889(Top 90%)13911(Top 92%)13911(Top 6531%)
20M20.00 mi1.36 mi24456+7514248+3814248+3823714(Top 89%)13783(Top 91%)13783(Top 6471%)
21M21.00 mi1.00 mi24424+3214225+2314225+2323755(Top 89%)13776(Top 91%)13776(Top 6468%)
35K21.75 mi0.75 mi24340+8414175+5014175+5022283(Top 84%)13060(Top 86%)13060(Top 6131%)
23M23.00 mi1.25 mi24364-2414179-414179-424313(Top 91%)13998(Top 92%)13998(Top 6572%)
24M24.00 mi1.00 mi24380-1614176+314176+324506(Top 92%)14052(Top 93%)14052(Top 6597%)
40K24.85 mi0.85 mi24375+514171+514171+523878(Top 90%)13736(Top 91%)13736(Top 6449%)
25.2M25.20 mi0.35 mi24367+814164+714164+723653(Top 89%)13623(Top 90%)13623(Top 6396%)
Finish26.22 mi1.02 mi24392-2514172-814172-824635(Top 93%)14141(Top 93%)14141(Top 6639%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

24965

Males

14504

M70-74

14504

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

24670

Males

14389

M70-74

14389

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

24965

Males

14504

M70-74

14504

15K→20K

9.3 - 12.4 mi

Top 93%
×5story building
+106ft-86ft

Overall

24696

Males

14370

M70-74

14370

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24749

Males

14378

M70-74

14378

Half→25K

13.1 - 15.5 mi

Top 91%
×4story building
+66ft-88ft

Overall

24337

Males

14181

M70-74

14181

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

23889

Males

13911

M70-74

13911

30K→20M

18.6 - 20.0 mi

Top 89%
×5story building
+64ft-50ft

Overall

23714

Males

13783

M70-74

13783

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

23755

Males

13776

M70-74

13776

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

22283

Males

13060

M70-74

13060

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24313

Males

13998

M70-74

13998

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24506

Males

14052

M70-74

14052

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

23878

Males

13736

M70-74

13736

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

23653

Males

13623

M70-74

13623

25.2M→Finish

25.2 - 26.2 mi

Top 93%
×2story building
+22ft-21ft

Overall

24635

Males

14141

M70-74

14141

Passing Analysis

Category:
Athletes Passed
914
Passed By
959
Net Change
-45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24347
5K → 10K119301-182#24347#24529
10K → 15K59259-200#24529#24729
15K → 20K107102+5#24729#24724
20K → Half1725-8#24724#24732
Half → 25K10148+53#24732#24679
25K → 30K17628+148#24679#24531
30K → 20M8611+75#24531#24456
20M → 21M5725+32#24456#24424
21M → 35K851+84#24424#24340
35K → 23M2751-24#24340#24364
23M → 24M2137-16#24364#24380
24M → 40K2924+5#24380#24375
40K → 25.2M157+8#24375#24367
25.2M → Finish1540-25#24367#24392
TOTALS914959-45
📊

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