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BOSTON MARATHON 2023

George Grant

Bib: 21720•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 (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:30
Rank: #21132
Start → 5K
9:10/mi
28:30 split
10K· 6.21 mi
57:15
Rank: #21445 (-313)
5K → 10K
9:15/mi
28:45 split
15K· 9.32 mi
1:25:59
Rank: #21444 (+1)
10K → 15K
9:15/mi
28:44 split
20K· 12.43 mi
1:55:25
Rank: #21467 (-23)
15K → 20K
9:28/mi
29:26 split
Half· 13.11 mi
2:01:49
Rank: #21475 (-8)
20K → Half
9:23/mi
6:24 split
25K· 15.53 mi
2:26:03
Rank: #21594 (-119)
Half → 25K
10:00/mi
24:14 split
30K· 18.64 mi
2:59:04
Rank: #21761 (-167)
25K → 30K
10:38/mi
33:01 split
20M
3:14:25
Rank: #21939 (-178)
30K → 20M
11:18/mi
15:21 split
21M
3:25:43
Rank: #21919 (+20)
20M → 21M
11:18/mi
11:18 split
35K· 21.75 mi
3:33:59
Rank: #22001 (-82)
21M → 35K
11:03/mi
8:16 split
23M
3:47:50
Rank: #22023 (-22)
35K → 23M
11:04/mi
13:51 split
24M
3:58:40
Rank: #22045 (-22)
23M → 24M
10:50/mi
10:50 split
40K· 24.85 mi
4:08:53
Rank: #22137 (-92)
24M → 40K
11:57/mi
10:13 split
25.2M
4:12:54
Rank: #22133 (+4)
40K → 25.2M
11:39/mi
4:01 split
Finish· 26.22 mi
4:23:23
Rank: #22142 (-9)
25.2M → Finish
10:17/mi
10:29 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:49
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:21:34
Pace10:48 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:2928:309:1028:30
9:10
-
10K
6.21 mi11:50:1457:159:1328:45
9:15
+0:05
15K
9.32 mi12:18:581:25:599:1428:44
9:15
0:00
20K
12.43 mi12:48:241:55:259:1729:26
9:28
+0:13
Half
13.11 mi12:54:482:01:499:186:24
9:23
-0:05
25K
15.53 mi13:19:022:26:039:2424:14
10:00
+0:37
30K
18.64 mi13:52:032:59:049:3633:01
10:38
+0:38
20M
20.00 mi14:07:243:14:259:4315:21
11:18
+0:40
21M
21.00 mi14:18:423:25:439:4811:18
11:18
0:00
35K
21.75 mi14:26:583:33:599:508:16
11:03
-0:15
23M
23.00 mi14:40:493:47:509:5413:51
11:04
+0:01
24M
24.00 mi14:51:393:58:409:5710:50
10:50
-0:14
40K
24.85 mi15:01:524:08:5310:0110:13
11:57
+1:07
25.2M
25.20 mi15:05:534:12:5410:024:01
11:39
-0:18
Finish
26.22 mi15:16:224:23:2310:0310:29
10:17
-1:22

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

9:10 /mi

Average Pace

10:03 /mi

Slowest Pace

11:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:03

55% of race

Time at Steady Pace

1:16:27

29% of race

Time at Slower Pace

40:53

16% of race

Average Pace: 10:03 /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 mi11:21:2928:309:1028:30
9:10
#21132
10K
6.21 mi11:50:1457:159:1328:45
9:15
#21445
15K
9.32 mi12:18:581:25:599:1428:44
9:15
#21444
20K
12.43 mi12:48:241:55:259:1729:26
9:28
#21467
Half
13.11 mi12:54:482:01:499:186:24
9:23
#21475
25K
15.53 mi13:19:022:26:039:2424:14
10:00
#21594
30K
18.64 mi13:52:032:59:049:3633:01
10:38
#21761
20M
20.00 mi14:07:243:14:259:4315:21
11:18
#21939
21M
21.00 mi14:18:423:25:439:4811:18
11:18
#21919
35K
21.75 mi14:26:583:33:599:508:16
11:03
#22001
23M
23.00 mi14:40:493:47:509:5413:51
11:04
#22023
24M
24.00 mi14:51:393:58:409:5710:50
10:50
#22045
40K
24.85 mi15:01:524:08:5310:0110:13
11:57
#22137
25.2M
25.20 mi15:05:534:12:5410:024:01
11:39
#22133
Finish
26.22 mi15:16:224:23:2310:0310:29
10:17
#22142
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi21132126751267521469(Top 81%)12967(Top 85%)12967(Top 1168%)
10K6.21 mi3.10 mi21445-31312869-19412869-19421789(Top 82%)13057(Top 86%)13057(Top 1176%)
15K9.32 mi3.11 mi21444+112900-3112900-3121469(Top 81%)12967(Top 85%)12967(Top 1168%)
20K12.43 mi3.11 mi21467-2312909-912909-921474(Top 81%)12942(Top 85%)12942(Top 1166%)
Half13.11 mi0.68 mi21475-812923-1412923-1421753(Top 82%)13074(Top 86%)13074(Top 1178%)
25K15.53 mi2.42 mi21594-11912976-5312976-5322207(Top 83%)13235(Top 87%)13235(Top 1192%)
30K18.64 mi3.11 mi21761-16713043-6713043-6722463(Top 84%)13280(Top 88%)13280(Top 1196%)
20M20.00 mi1.36 mi21939-17813106-6313106-6323186(Top 87%)13546(Top 89%)13546(Top 1220%)
21M21.00 mi1.00 mi21919+2013087+1913087+1921463(Top 81%)12722(Top 84%)12722(Top 1146%)
35K21.75 mi0.75 mi22001-8213119-3213119-3223378(Top 88%)13550(Top 89%)13550(Top 1221%)
23M23.00 mi1.25 mi22023-2213118+113118+122442(Top 84%)13128(Top 87%)13128(Top 1183%)
24M24.00 mi1.00 mi22045-2213121-313121-322716(Top 85%)13214(Top 87%)13214(Top 1190%)
40K24.85 mi0.85 mi22137-9213153-3213153-3223823(Top 89%)13705(Top 90%)13705(Top 1235%)
25.2M25.20 mi0.35 mi22133+413146+713146+721834(Top 82%)12777(Top 84%)12777(Top 1151%)
Finish26.22 mi1.02 mi22142-913138+813138+822515(Top 85%)13099(Top 86%)13099(Top 1180%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

21469

Males

12967

M60-64

12967

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21789

Males

13057

M60-64

13057

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

21469

Males

12967

M60-64

12967

15K→20K

9.3 - 12.4 mi

Top 81%
×5story building
+106ft-86ft

Overall

21474

Males

12942

M60-64

12942

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21753

Males

13074

M60-64

13074

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

22207

Males

13235

M60-64

13235

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22463

Males

13280

M60-64

13280

30K→20M

18.6 - 20.0 mi

Top 87%
×5story building
+64ft-50ft

Overall

23186

Males

13546

M60-64

13546

20M→21M

20.0 - 21.0 mi

Top 81%
×8story building
+106ft-24ft

Overall

21463

Males

12722

M60-64

12722

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23378

Males

13550

M60-64

13550

35K→23M

21.8 - 23.0 mi

Top 84%
×5story building
+23ft-63ft

Overall

22442

Males

13128

M60-64

13128

23M→24M

23.0 - 24.0 mi

Top 85%
×6story building
+12ft-82ft

Overall

22716

Males

13214

M60-64

13214

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23823

Males

13705

M60-64

13705

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21834

Males

12777

M60-64

12777

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22515

Males

13099

M60-64

13099

Passing Analysis

Category:
Athletes Passed
860
Passed By
1870
Net Change
-1010
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21132
5K → 10K147460-313#21132#21445
10K → 15K162161+1#21445#21444
15K → 20K126149-23#21444#21467
20K → Half2028-8#21467#21475
Half → 25K66185-119#21475#21594
25K → 30K86253-167#21594#21761
30K → 20M30208-178#21761#21939
20M → 21M7151+20#21939#21919
21M → 35K1092-82#21919#22001
35K → 23M4365-22#22001#22023
23M → 24M3456-22#22023#22045
24M → 40K14106-92#22045#22137
40K → 25.2M2016+4#22137#22133
25.2M → Finish3140-9#22133#22142
TOTALS8601870-1010
📊

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