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BOSTON MARATHON 2023

Shamarlas Allens

Bib: 27424•M

GA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
38:33
Rank: #26528
Start → 5K
38:33 | 12:24/mi
10K· 6.21 mi
1:19:09
Rank: #26555 (-27)
5K → 10K
40:36 | 13:04/mi
15K· 9.32 mi
2:00:28
Rank: #26565 (-10)
10K → 15K
41:19 | 13:18/mi
20K· 12.43 mi
2:46:10
Rank: #26587 (-22)
15K → 20K
45:42 | 14:43/mi
Half· 13.11 mi
2:56:57
Rank: #26597 (-10)
20K → Half
10:47 | 15:48/mi
25K· 15.53 mi
3:31:42
Rank: #26596 (+1)
Half → 25K
34:45 | 14:20/mi
30K· 18.64 mi
4:14:01
Rank: #26583 (+13)
25K → 30K
42:19 | 13:37/mi
20M
4:33:45
Rank: #26572 (+11)
30K → 20M
19:44 | 14:31/mi
21M
4:48:51
Rank: #26566 (+6)
20M → 21M
15:06 | 15:06/mi
35K· 21.75 mi
5:00:53
Rank: #26580 (-14)
21M → 35K
12:02 | 16:05/mi
23M
5:18:12
Rank: #26571 (+9)
35K → 23M
17:19 | 13:50/mi
24M
5:31:49
Rank: #26566 (+5)
23M → 24M
13:37 | 13:37/mi
40K· 24.85 mi
5:45:25
Rank: #26570 (-4)
24M → 40K
13:36 | 15:54/mi
25.2M
5:51:03
Rank: #26573 (-3)
40K → 25.2M
5:38 | 16:20/mi
Finish· 26.22 mi
6:05:03
Rank: #26573
25.2M → Finish
14:00 | 13:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:56:57
Pace13:30 /mi
2nd Half
Distance13.11 mi
Time3:08:06
Pace14:21 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1938:3312:2438:33
12:24
-
10K
6.21 mi12:36:551:19:0912:4440:36
13:04
+0:40
15K
9.32 mi13:18:142:00:2812:5541:19
13:18
+0:14
20K
12.43 mi14:03:562:46:1013:2245:42
14:43
+1:25
Half
13.11 mi14:14:432:56:5713:3010:47
15:48
+1:05
25K
15.53 mi14:49:283:31:4213:3834:45
14:20
-1:28
30K
18.64 mi15:31:474:14:0113:3842:19
13:37
-0:43
20M
20.00 mi15:51:314:33:4513:4119:44
14:31
+0:54
21M
21.00 mi16:06:374:48:5113:4515:06
15:06
+0:35
35K
21.75 mi16:18:395:00:5313:5012:02
16:05
+0:59
23M
23.00 mi16:35:585:18:1213:5017:19
13:50
-2:15
24M
24.00 mi16:49:355:31:4913:5013:37
13:37
-0:13
40K
24.85 mi17:03:115:45:2513:5413:36
15:54
+2:17
25.2M
25.20 mi17:08:495:51:0313:565:38
16:20
+0:26
Finish
26.22 mi17:22:496:05:0313:5614:00
13:44
-2:36

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

12:24 /mi

Average Pace

13:56 /mi

Slowest Pace

16:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:10:24

52% of race

Time at Steady Pace

1:57:30

32% of race

Time at Slower Pace

57:09

16% of race

Average Pace: 13:55 /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 mi11:56:1938:3312:2438:33
12:24
#26528
10K
6.21 mi12:36:551:19:0912:4440:36
13:04
#26555
15K
9.32 mi13:18:142:00:2812:5541:19
13:18
#26565
20K
12.43 mi14:03:562:46:1013:2245:42
14:43
#26587
Half
13.11 mi14:14:432:56:5713:3010:47
15:48
#26597
25K
15.53 mi14:49:283:31:4213:3834:45
14:20
#26596
30K
18.64 mi15:31:474:14:0113:3842:19
13:37
#26583
20M
20.00 mi15:51:314:33:4513:4119:44
14:31
#26572
21M
21.00 mi16:06:374:48:5113:4515:06
15:06
#26566
35K
21.75 mi16:18:395:00:5313:5012:02
16:05
#26580
23M
23.00 mi16:35:585:18:1213:5017:19
13:50
#26571
24M
24.00 mi16:49:355:31:4913:5013:37
13:37
#26566
40K
24.85 mi17:03:115:45:2513:5413:36
15:54
#26570
25.2M
25.20 mi17:08:495:51:0313:565:38
16:20
#26573
Finish
26.22 mi17:22:496:05:0313:5614:00
13:44
#26573
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi26528151271512726552(Top 100%)15138(Top 100%)15138(Top 738%)
10K6.21 mi3.10 mi26555-2715136-915136-926567(Top 100%)15147(Top 100%)15147(Top 738%)
15K9.32 mi3.11 mi26565-1015142-615142-626552(Top 100%)15138(Top 100%)15138(Top 738%)
20K12.43 mi3.11 mi26587-2215153-1115153-1126581(Top 100%)15155(Top 100%)15155(Top 739%)
Half13.11 mi0.68 mi26597-1015156-315156-326610(Top 100%)15171(Top 100%)15171(Top 739%)
25K15.53 mi2.42 mi26596+115157-115157-126446(Top 99%)15095(Top 99%)15095(Top 736%)
30K18.64 mi3.11 mi26583+1315151+615151+625825(Top 97%)14794(Top 97%)14794(Top 721%)
20M20.00 mi1.36 mi26572+1115147+415147+426110(Top 98%)14906(Top 98%)14906(Top 726%)
21M21.00 mi1.00 mi26566+6151471514725783(Top 97%)14766(Top 97%)14766(Top 720%)
35K21.75 mi0.75 mi26580-1415150-315150-326526(Top 100%)15121(Top 100%)15121(Top 737%)
23M23.00 mi1.25 mi26571+915147+315147+325718(Top 97%)14687(Top 97%)14687(Top 716%)
24M24.00 mi1.00 mi26566+515146+115146+125880(Top 97%)14753(Top 97%)14753(Top 719%)
40K24.85 mi0.85 mi26570-415149-315149-326390(Top 99%)15033(Top 99%)15033(Top 733%)
25.2M25.20 mi0.35 mi26573-315150-115150-126221(Top 98%)14935(Top 98%)14935(Top 728%)
Finish26.22 mi1.02 mi26573151501515026286(Top 99%)14960(Top 99%)14960(Top 729%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 100%
×21stories
+97ft-345ft

Overall

26552

Males

15138

M50-54

15138

5K→10K

3.1 - 6.2 mi

Top 100%
×5stories
+79ft-138ft

Overall

26567

Males

15147

M50-54

15147

10K→15K

6.2 - 9.3 mi

Top 100%
×3stories
+67ft-78ft

Overall

26552

Males

15138

M50-54

15138

15K→20K

9.3 - 12.4 mi

Top 100%
×5stories
+106ft-86ft

Overall

26581

Males

15155

M50-54

15155

20K→Half

12.4 - 13.1 mi

Top 100%
×2stories
+19ft-37ft

Overall

26610

Males

15171

M50-54

15171

Half→25K

13.1 - 15.5 mi

Top 99%
×4stories
+66ft-88ft

Overall

26446

Males

15095

M50-54

15095

25K→30K

15.5 - 18.6 mi

Top 97%
×9stories
+181ft-148ft

Overall

25825

Males

14794

M50-54

14794

30K→20M

18.6 - 20.0 mi

Top 98%
×5stories
+64ft-50ft

Overall

26110

Males

14906

M50-54

14906

20M→21M

20.0 - 21.0 mi

Top 97%
×8stories
+106ft-24ft

Overall

25783

Males

14766

M50-54

14766

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

26526

Males

15121

M50-54

15121

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25718

Males

14687

M50-54

14687

23M→24M

23.0 - 24.0 mi

Top 97%
×6stories
+12ft-82ft

Overall

25880

Males

14753

M50-54

14753

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26390

Males

15033

M50-54

15033

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26221

Males

14935

M50-54

14935

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

26286

Males

14960

M50-54

14960

Passing Analysis

Category:
Athletes Passed
77
Passed By
122
Net Change
-45
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26528
5K → 10K532-27#26528#26555
10K → 15K717-10#26555#26565
15K → 20K224-22#26565#26587
20K → Half010-10#26587#26597
Half → 25K32+1#26597#26596
25K → 30K152+13#26596#26583
30K → 20M132+11#26583#26572
20M → 21M93+6#26572#26566
21M → 35K115-14#26566#26580
35K → 23M90+9#26580#26571
23M → 24M72+5#26571#26566
24M → 40K48-4#26566#26570
40K → 25.2M03-3#26570#26573
25.2M → Finish220#26573#26573
TOTALS77122-45
📊

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