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BOSTON MARATHON 2023

Alisdair Mclean

Bib: 16065•M

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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

Start
0:00:00
Race begins
5K· 3.11 mi
24:36
Rank: #13387
Start → 5K
24:36 | 7:55/mi
10K· 6.21 mi
49:37
Rank: #14275 (-888)
5K → 10K
25:01 | 8:03/mi
15K· 9.32 mi
1:14:31
Rank: #14319 (-44)
10K → 15K
24:54 | 8:01/mi
20K· 12.43 mi
1:39:29
Rank: #14150 (+169)
15K → 20K
24:58 | 8:02/mi
Half· 13.11 mi
1:45:00
Rank: #14186 (-36)
20K → Half
5:31 | 8:05/mi
25K· 15.53 mi
2:04:42
Rank: #14073 (+113)
Half → 25K
19:42 | 8:08/mi
30K· 18.64 mi
2:30:24
Rank: #13843 (+230)
25K → 30K
25:42 | 8:16/mi
20M
2:41:59
Rank: #13821 (+22)
30K → 20M
11:35 | 8:31/mi
21M
2:51:10
Rank: #13849 (-28)
20M → 21M
9:11 | 9:11/mi
35K· 21.75 mi
2:57:03
Rank: #13723 (+126)
21M → 35K
5:53 | 7:52/mi
23M
3:07:47
Rank: #13704 (+19)
35K → 23M
10:44 | 8:34/mi
24M
3:16:03
Rank: #13646 (+58)
23M → 24M
8:16 | 8:16/mi
40K· 24.85 mi
3:24:21
Rank: #13901 (-255)
24M → 40K
8:18 | 9:42/mi
25.2M
3:28:25
Rank: #14172 (-271)
40K → 25.2M
4:04 | 11:48/mi
Finish· 26.22 mi
3:39:08
Rank: #14706 (-534)
25.2M → Finish
10:43 | 10:31/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:00
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:54:08
Pace8:42 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:0324:367:5524:36
7:55
-
10K
6.21 mi11:40:0449:377:5925:01
8:03
+0:08
15K
9.32 mi12:04:581:14:318:0024:54
8:01
-0:02
20K
12.43 mi12:29:561:39:298:0024:58
8:02
+0:01
Half
13.11 mi12:35:271:45:008:015:31
8:05
+0:03
25K
15.53 mi12:55:092:04:428:0219:42
8:08
+0:03
30K
18.64 mi13:20:512:30:248:0425:42
8:16
+0:08
20M
20.00 mi13:32:262:41:598:0611:35
8:31
+0:15
21M
21.00 mi13:41:372:51:108:099:11
9:11
+0:40
35K
21.75 mi13:47:302:57:038:085:53
7:52
-1:19
23M
23.00 mi13:58:143:07:478:1010:44
8:34
+0:42
24M
24.00 mi14:06:303:16:038:108:16
8:16
-0:18
40K
24.85 mi14:14:483:24:218:138:18
9:42
+1:26
25.2M
25.20 mi14:18:523:28:258:164:04
11:48
+2:06
Finish
26.22 mi14:29:353:39:088:2210:43
10:31
-1:17

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

7:52 /mi

Average Pace

8:22 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:06:52

85% of race

Time at Slower Pace

32:16

15% of race

Average Pace: 8:21 /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 mi11:15:0324:367:5524:36
7:55
#13387
10K
6.21 mi11:40:0449:377:5925:01
8:03
#14275
15K
9.32 mi12:04:581:14:318:0024:54
8:01
#14319
20K
12.43 mi12:29:561:39:298:0024:58
8:02
#14150
Half
13.11 mi12:35:271:45:008:015:31
8:05
#14186
25K
15.53 mi12:55:092:04:428:0219:42
8:08
#14073
30K
18.64 mi13:20:512:30:248:0425:42
8:16
#13843
20M
20.00 mi13:32:262:41:598:0611:35
8:31
#13821
21M
21.00 mi13:41:372:51:108:099:11
9:11
#13849
35K
21.75 mi13:47:302:57:038:085:53
7:52
#13723
23M
23.00 mi13:58:143:07:478:1010:44
8:34
#13704
24M
24.00 mi14:06:303:16:038:108:16
8:16
#13646
40K
24.85 mi14:14:483:24:218:138:18
9:42
#13901
25.2M
25.20 mi14:18:523:28:258:164:04
11:48
#14172
Finish
26.22 mi14:29:353:39:088:2210:43
10:31
#14706
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi133879707970714492(Top 54%)10098(Top 67%)10098(Top 710%)
10K6.21 mi3.10 mi14275-88810042-33510042-33515178(Top 57%)10379(Top 68%)10379(Top 730%)
15K9.32 mi3.11 mi14319-4410057-1510057-1514492(Top 54%)10098(Top 67%)10098(Top 710%)
20K12.43 mi3.11 mi14150+1699958+999958+9913723(Top 52%)9758(Top 64%)9758(Top 686%)
Half13.11 mi0.68 mi14186-369976-189976-1814992(Top 56%)10292(Top 68%)10292(Top 724%)
25K15.53 mi2.42 mi14073+1139901+759901+7513670(Top 51%)9639(Top 64%)9639(Top 678%)
30K18.64 mi3.11 mi13843+2309787+1149787+11412844(Top 48%)9169(Top 60%)9169(Top 645%)
20M20.00 mi1.36 mi13821+229755+329755+3213767(Top 52%)9474(Top 62%)9474(Top 666%)
21M21.00 mi1.00 mi13849-289751+49751+414380(Top 54%)9662(Top 64%)9662(Top 679%)
35K21.75 mi0.75 mi13723+1269685+669685+6611123(Top 42%)8192(Top 54%)8192(Top 576%)
23M23.00 mi1.25 mi13704+199643+429643+4213649(Top 51%)9209(Top 61%)9209(Top 648%)
24M24.00 mi1.00 mi13646+589599+449599+4413042(Top 49%)8877(Top 58%)8877(Top 624%)
40K24.85 mi0.85 mi13901-2559673-749673-7419024(Top 71%)11485(Top 76%)11485(Top 808%)
25.2M25.20 mi0.35 mi14172-2719768-959768-9522097(Top 83%)12887(Top 85%)12887(Top 906%)
Finish26.22 mi1.02 mi14706-5349960-1929960-19223018(Top 86%)13341(Top 88%)13341(Top 938%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21stories
+97ft-345ft

Overall

14492

Males

10098

M55-59

10098

5K→10K

3.1 - 6.2 mi

Top 57%
×5stories
+79ft-138ft

Overall

15178

Males

10379

M55-59

10379

10K→15K

6.2 - 9.3 mi

Top 54%
×3stories
+67ft-78ft

Overall

14492

Males

10098

M55-59

10098

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

13723

Males

9758

M55-59

9758

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

14992

Males

10292

M55-59

10292

Half→25K

13.1 - 15.5 mi

Top 51%
×4stories
+66ft-88ft

Overall

13670

Males

9639

M55-59

9639

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

12844

Males

9169

M55-59

9169

30K→20M

18.6 - 20.0 mi

Top 52%
×5stories
+64ft-50ft

Overall

13767

Males

9474

M55-59

9474

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

14380

Males

9662

M55-59

9662

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

11123

Males

8192

M55-59

8192

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13649

Males

9209

M55-59

9209

23M→24M

23.0 - 24.0 mi

Top 49%
×6stories
+12ft-82ft

Overall

13042

Males

8877

M55-59

8877

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

19024

Males

11485

M55-59

11485

40K→25.2M

24.9 - 25.2 mi

Top 83%
×1story
+13ft-16ft

Overall

22097

Males

12887

M55-59

12887

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2stories
+22ft-21ft

Overall

23018

Males

13341

M55-59

13341

Passing Analysis

Category:
Athletes Passed
1548
Passed By
2867
Net Change
-1319
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13387
5K → 10K55943-888#13387#14275
10K → 15K158202-44#14275#14319
15K → 20K26394+169#14319#14150
20K → Half1147-36#14150#14186
Half → 25K20289+113#14186#14073
25K → 30K31686+230#14073#13843
30K → 20M10078+22#13843#13821
20M → 21M86114-28#13821#13849
21M → 35K1326+126#13849#13723
35K → 23M10182+19#13723#13704
23M → 24M9335+58#13704#13646
24M → 40K22277-255#13646#13901
40K → 25.2M3274-271#13901#14172
25.2M → Finish6540-534#14172#14706
TOTALS15482867-1319
📊

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