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BOSTON MARATHON 2023

Alan Pemberton

Bib: 21954•M

MD

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 47%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M70-74)
#0 / 213
Top 2%
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
7:58/mi
24:46
↑ 97↓ 3451.5%
10K· 6.21 mi
7:48/mi
49:00
↑ 79↓ 1380.4%
15K· 9.32 mi
7:48/mi
1:13:13
↑ 67↓ 78
20K· 12.43 mi
8:03/mi
1:38:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:56/mi
1:43:39
↑ 19↓ 370.5%
25K· 15.53 mi
8:06/mi
2:03:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:13/mi
2:28:50
↑ 181↓ 1480.2%
20M
8:16/mi
2:40:04
↑ 64↓ 500.2%
21M
8:58/mi
2:49:02
↑ 106↓ 241.6%
35K· 21.75 mi
7:57/mi
2:54:59
↑ 17↓ 861.7%
23M
8:10/mi
3:05:12
↑ 23↓ 630.6%
24M
7:54/mi
3:13:06
↓ 821.3%
40K· 24.85 mi
8:03/mi
3:19:59
↓ 200.3%
25.2M
8:54/mi
3:23:03
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
3:31:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:39
Pace7:54 /mi
2nd Half
Distance13.11 mi
Time1:47:40
Pace8:13 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:2924:467:5824:46
7:58
-
10K
6.21 mi11:41:4349:007:5324:14
7:48
-0:10
15K
9.32 mi12:05:561:13:137:5124:13
7:48
0:00
20K
12.43 mi12:30:571:38:147:5425:01
8:03
+0:15
Half
13.11 mi12:36:221:43:397:545:25
7:56
-0:07
25K
15.53 mi12:56:002:03:177:5619:38
8:06
+0:10
30K
18.64 mi13:21:332:28:507:5925:33
8:13
+0:07
20M
20.00 mi13:32:472:40:048:0011:14
8:16
+0:03
21M
21.00 mi13:41:452:49:028:038:58
8:58
+0:42
35K
21.75 mi13:47:422:54:598:035:57
7:57
-1:01
23M
23.00 mi13:57:553:05:128:0310:13
8:10
+0:13
24M
24.00 mi14:05:493:13:068:037:54
7:54
-0:16
40K
24.85 mi14:12:423:19:598:036:53
8:03
+0:09
25.2M
25.20 mi14:15:463:23:038:033:04
8:54
+0:51
Finish
26.22 mi14:24:023:31:198:048:16
8:07
-0:47

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

7:48 /mi

Average Pace

8:04 /mi

Slowest Pace

8:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:19:17

94% of race

Time at Steady Pace

12:02

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:17:2924:467:5824:46
7:58
#13798
10K
6.21 mi11:41:4349:007:5324:14
7:48
#13461
15K
9.32 mi12:05:561:13:137:5124:13
7:48
#13178
20K
12.43 mi12:30:571:38:147:5425:01
8:03
#13359
Half
13.11 mi12:36:221:43:397:545:25
7:56
#13370
25K
15.53 mi12:56:002:03:177:5619:38
8:06
#13342
30K
18.64 mi13:21:332:28:507:5925:33
8:13
#13166
20M
20.00 mi13:32:472:40:048:0011:14
8:16
#13076
21M
21.00 mi13:41:452:49:028:038:58
8:58
#13047
35K
21.75 mi13:47:422:54:598:035:57
7:57
#12980
23M
23.00 mi13:57:553:05:128:0310:13
8:10
#12858
24M
24.00 mi14:05:493:13:068:037:54
7:54
#12729
40K
24.85 mi14:12:423:19:598:036:53
8:03
#12640
25.2M
25.20 mi14:15:463:23:038:033:04
8:54
#12629
Finish
26.22 mi14:24:023:31:198:048:16
8:07
#12629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi137989879987912678(Top 48%)9382(Top 62%)9382(Top 4405%)
10K6.21 mi3.10 mi13461+3379730+1499730+14913104(Top 49%)9594(Top 63%)9594(Top 4504%)
15K9.32 mi3.11 mi13178+2839593+1379593+13712678(Top 48%)9382(Top 62%)9382(Top 4405%)
20K12.43 mi3.11 mi13359-1819645-529645-5213832(Top 52%)9806(Top 65%)9806(Top 4604%)
Half13.11 mi0.68 mi13370-119646-19646-113825(Top 52%)9819(Top 65%)9819(Top 4610%)
25K15.53 mi2.42 mi13342+289614+329614+3213477(Top 51%)9546(Top 63%)9546(Top 4482%)
30K18.64 mi3.11 mi13166+1769503+1119503+11112489(Top 47%)9014(Top 59%)9014(Top 4232%)
20M20.00 mi1.36 mi13076+909451+529451+5212125(Top 46%)8762(Top 58%)8762(Top 4114%)
21M21.00 mi1.00 mi13047+299419+329419+3213189(Top 50%)9123(Top 60%)9123(Top 4283%)
35K21.75 mi0.75 mi12980+679367+529367+5211759(Top 44%)8459(Top 56%)8459(Top 3971%)
23M23.00 mi1.25 mi12858+1229297+709297+7010888(Top 41%)7913(Top 52%)7913(Top 3715%)
24M24.00 mi1.00 mi12729+1299224+739224+7310517(Top 40%)7672(Top 51%)7672(Top 3602%)
40K24.85 mi0.85 mi12640+899167+579167+5710368(Top 39%)7535(Top 50%)7535(Top 3538%)
25.2M25.20 mi0.35 mi12629+119152+159152+1511845(Top 44%)8188(Top 54%)8188(Top 3844%)
Finish26.22 mi1.02 mi126299134+189134+1812836(Top 48%)8690(Top 57%)8690(Top 4080%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12678

Males

9382

M70-74

9382

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13104

Males

9594

M70-74

9594

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12678

Males

9382

M70-74

9382

15K→20K

9.3 - 12.4 mi

Top 52%
×5story building
+106ft-86ft

Overall

13832

Males

9806

M70-74

9806

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

13825

Males

9819

M70-74

9819

Half→25K

13.1 - 15.5 mi

Top 51%
×4story building
+66ft-88ft

Overall

13477

Males

9546

M70-74

9546

25K→30K

15.5 - 18.6 mi

Top 47%
×9story building
+181ft-148ft

Overall

12489

Males

9014

M70-74

9014

30K→20M

18.6 - 20.0 mi

Top 46%
×5story building
+64ft-50ft

Overall

12125

Males

8762

M70-74

8762

20M→21M

20.0 - 21.0 mi

Top 50%
×8story building
+106ft-24ft

Overall

13189

Males

9123

M70-74

9123

21M→35K

21.0 - 21.8 mi

Top 44%
×7story building
+17ft-86ft

Overall

11759

Males

8459

M70-74

8459

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10888

Males

7913

M70-74

7913

23M→24M

23.0 - 24.0 mi

Top 40%
×6story building
+12ft-82ft

Overall

10517

Males

7672

M70-74

7672

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10368

Males

7535

M70-74

7535

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11845

Males

8188

M70-74

8188

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12836

Males

8690

M70-74

8690

Passing Analysis

Category:
Athletes Passed
2295
Passed By
1126
Net Change
+1169
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13798
5K → 10K504167+337#13798#13461
10K → 15K37592+283#13461#13178
15K → 20K128309-181#13178#13359
20K → Half2637-11#13359#13370
Half → 25K155127+28#13370#13342
25K → 30K27599+176#13342#13166
30K → 20M13343+90#13166#13076
20M → 21M11182+29#13076#13047
21M → 35K8619+67#13047#12980
35K → 23M14826+122#12980#12858
23M → 24M14516+129#12858#12729
24M → 40K10920+89#12729#12640
40K → 25.2M3322+11#12640#12629
25.2M → Finish67670#12629#12629
TOTALS22951126+1169
📊

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