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BOSTON MARATHON 2023

Randy Grant

Bib: 25190•M

OR

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:03/mi
34:21
↑ 97↓ 3451.5%
10K· 6.21 mi
11:14/mi
1:09:15
↑ 79↓ 1380.4%
15K· 9.32 mi
11:20/mi
1:44:28
↑ 67↓ 78
20K· 12.43 mi
11:50/mi
2:21:14
↑ 106↓ 860.1%
Half· 13.11 mi
10:42/mi
2:28:32
↑ 19↓ 370.5%
25K· 15.53 mi
11:36/mi
2:56:39
↑ 66↓ 880.2%
30K· 18.64 mi
12:13/mi
3:34:37
↑ 181↓ 1480.2%
20M
12:59/mi
3:52:15
↑ 64↓ 500.2%
21M
13:01/mi
4:05:16
↑ 106↓ 241.6%
35K· 21.75 mi
11:38/mi
4:13:58
↑ 17↓ 861.7%
23M
12:12/mi
4:29:15
↑ 23↓ 630.6%
24M
11:28/mi
4:40:43
↓ 821.3%
40K· 24.85 mi
12:10/mi
4:51:07
↓ 200.3%
25.2M
12:37/mi
4:55:28
↑ 13↓ 160.2%
Finish· 26.22 mi
11:03/mi
5:06:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:32
Pace11:20 /mi
2nd Half
Distance13.11 mi
Time2:38:12
Pace12:04 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0934:2111:0334:21
11:03
-
10K
6.21 mi12:28:031:09:1511:0934:54
11:14
+0:11
15K
9.32 mi13:03:161:44:2811:1235:13
11:20
+0:06
20K
12.43 mi13:40:022:21:1411:2236:46
11:50
+0:30
Half
13.11 mi13:47:202:28:3211:207:18
10:42
-1:08
25K
15.53 mi14:15:272:56:3911:2228:07
11:36
+0:54
30K
18.64 mi14:53:253:34:3711:3137:58
12:13
+0:37
20M
20.00 mi15:11:033:52:1511:3717:38
12:59
+0:46
21M
21.00 mi15:24:044:05:1611:4113:01
13:01
+0:02
35K
21.75 mi15:32:464:13:5811:418:42
11:38
-1:23
23M
23.00 mi15:48:034:29:1511:4215:17
12:12
+0:34
24M
24.00 mi15:59:314:40:4311:4211:28
11:28
-0:44
40K
24.85 mi16:09:554:51:0711:4310:24
12:10
+0:42
25.2M
25.20 mi16:14:164:55:2811:444:21
12:37
+0:27
Finish
26.22 mi16:25:325:06:4411:4211:16
11:03
-1:34

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

10:42 /mi

Average Pace

11:42 /mi

Slowest Pace

13:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:49

29% of race

Time at Steady Pace

2:00:16

39% of race

Time at Slower Pace

1:38:39

32% of race

Average Pace: 11:42 /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 mi11:53:0934:2111:0334:21
11:03
#25763
10K
6.21 mi12:28:031:09:1511:0934:54
11:14
#25768
15K
9.32 mi13:03:161:44:2811:1235:13
11:20
#25707
20K
12.43 mi13:40:022:21:1411:2236:46
11:50
#25652
Half
13.11 mi13:47:202:28:3211:207:18
10:42
#25600
25K
15.53 mi14:15:272:56:3911:2228:07
11:36
#25472
30K
18.64 mi14:53:253:34:3711:3137:58
12:13
#25329
20M
20.00 mi15:11:033:52:1511:3717:38
12:59
#25343
21M
21.00 mi15:24:044:05:1611:4113:01
13:01
#25298
35K
21.75 mi15:32:464:13:5811:418:42
11:38
#25262
23M
23.00 mi15:48:034:29:1511:4215:17
12:12
#25215
24M
24.00 mi15:59:314:40:4311:4211:28
11:28
#25180
40K
24.85 mi16:09:554:51:0711:4310:24
12:10
#25153
25.2M
25.20 mi16:14:164:55:2811:444:21
12:37
#25138
Finish
26.22 mi16:25:325:06:4411:4211:16
11:03
#25111
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25763148431484325546(Top 96%)14746(Top 97%)14746(Top 1037%)
10K6.21 mi3.10 mi25768-5148431484325719(Top 97%)14833(Top 98%)14833(Top 1043%)
15K9.32 mi3.11 mi25707+6114827+1614827+1625546(Top 96%)14746(Top 97%)14746(Top 1037%)
20K12.43 mi3.11 mi25652+5514791+3614791+3625551(Top 96%)14729(Top 97%)14729(Top 1036%)
Half13.11 mi0.68 mi25600+5214769+2214769+2224524(Top 92%)14280(Top 94%)14280(Top 1004%)
25K15.53 mi2.42 mi25472+12814705+6414705+6424785(Top 93%)14371(Top 95%)14371(Top 1011%)
30K18.64 mi3.11 mi25329+14314629+7614629+7624730(Top 93%)14294(Top 94%)14294(Top 1005%)
20M20.00 mi1.36 mi25343-14146291462925146(Top 94%)14453(Top 95%)14453(Top 1016%)
21M21.00 mi1.00 mi25298+4514603+2614603+2624098(Top 91%)13933(Top 92%)13933(Top 980%)
35K21.75 mi0.75 mi25262+3614583+2014583+2024259(Top 91%)13977(Top 92%)13977(Top 983%)
23M23.00 mi1.25 mi25215+4714553+3014553+3024253(Top 91%)13967(Top 92%)13967(Top 982%)
24M24.00 mi1.00 mi25180+3514530+2314530+2323826(Top 89%)13740(Top 91%)13740(Top 966%)
40K24.85 mi0.85 mi25153+2714517+1314517+1324077(Top 90%)13844(Top 91%)13844(Top 974%)
25.2M25.20 mi0.35 mi25138+1514509+814509+823454(Top 88%)13534(Top 89%)13534(Top 952%)
Finish26.22 mi1.02 mi25111+2714492+1714492+1724072(Top 90%)13857(Top 91%)13857(Top 974%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

25546

Males

14746

M55-59

14746

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

25719

Males

14833

M55-59

14833

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

25546

Males

14746

M55-59

14746

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

25551

Males

14729

M55-59

14729

20K→Half

12.4 - 13.1 mi

Top 92%
×2story building
+19ft-37ft

Overall

24524

Males

14280

M55-59

14280

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24785

Males

14371

M55-59

14371

25K→30K

15.5 - 18.6 mi

Top 93%
×9story building
+181ft-148ft

Overall

24730

Males

14294

M55-59

14294

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25146

Males

14453

M55-59

14453

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

24098

Males

13933

M55-59

13933

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

24259

Males

13977

M55-59

13977

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

24253

Males

13967

M55-59

13967

23M→24M

23.0 - 24.0 mi

Top 89%
×6story building
+12ft-82ft

Overall

23826

Males

13740

M55-59

13740

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24077

Males

13844

M55-59

13844

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23454

Males

13534

M55-59

13534

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24072

Males

13857

M55-59

13857

Passing Analysis

Category:
Athletes Passed
1011
Passed By
359
Net Change
+652
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25763
5K → 10K115120-5#25763#25768
10K → 15K12362+61#25768#25707
15K → 20K10954+55#25707#25652
20K → Half531+52#25652#25600
Half → 25K14214+128#25600#25472
25K → 30K16623+143#25472#25329
30K → 20M2943-14#25329#25343
20M → 21M5611+45#25343#25298
21M → 35K393+36#25298#25262
35K → 23M6013+47#25262#25215
23M → 24M394+35#25215#25180
24M → 40K314+27#25180#25153
40K → 25.2M172+15#25153#25138
25.2M → Finish325+27#25138#25111
TOTALS1011359+652
📊

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