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BOSTON MARATHON 2023

Alastair Mcgeoch-Williams

Bib: 8060•M

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 19%
Gender (Male)
#0 / 15176
Top 31%
Division (M18-39)
#0 / 5285
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:08
Rank: #1045
Start → 5K
19:08 | 6:10/mi
10K· 6.21 mi
38:03
Rank: #1024 (+21)
5K → 10K
18:55 | 6:05/mi
15K· 9.32 mi
57:41
Rank: #1167 (-143)
10K → 15K
19:38 | 6:19/mi
20K· 12.43 mi
1:18:19
Rank: #1540 (-373)
15K → 20K
20:38 | 6:38/mi
Half· 13.11 mi
1:22:45
Rank: #1592 (-52)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:39:13
Rank: #1836 (-244)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:01:20
Rank: #2279 (-443)
25K → 30K
22:07 | 7:07/mi
20M
2:11:34
Rank: #2534 (-255)
30K → 20M
10:14 | 7:32/mi
21M
2:19:57
Rank: #2845 (-311)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:25:40
Rank: #3080 (-235)
21M → 35K
5:43 | 7:38/mi
23M
2:36:14
Rank: #3683 (-603)
35K → 23M
10:34 | 8:26/mi
24M
2:44:22
Rank: #4169 (-486)
23M → 24M
8:08 | 8:08/mi
40K· 24.85 mi
2:52:16
Rank: #4668 (-499)
24M → 40K
7:54 | 9:14/mi
25.2M
2:55:41
Rank: #4838 (-170)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:04:13
Rank: #5085 (-247)
25.2M → Finish
8:32 | 8:22/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:45
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:41:28
Pace7:44 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:44:1419:086:1019:08
6:10
-
10K
6.21 mi11:03:0938:036:0718:55
6:05
-0:05
15K
9.32 mi11:22:4757:416:1119:38
6:19
+0:14
20K
12.43 mi11:43:251:18:196:1820:38
6:38
+0:19
Half
13.11 mi11:47:511:22:456:194:26
6:30
-0:08
25K
15.53 mi12:04:191:39:136:2316:28
6:47
+0:17
30K
18.64 mi12:26:262:01:206:3122:07
7:07
+0:20
20M
20.00 mi12:36:402:11:346:3510:14
7:32
+0:25
21M
21.00 mi12:45:032:19:576:408:23
8:23
+0:51
35K
21.75 mi12:50:462:25:406:425:43
7:38
-0:45
23M
23.00 mi13:01:202:36:146:4810:34
8:26
+0:48
24M
24.00 mi13:09:282:44:226:518:08
8:08
-0:18
40K
24.85 mi13:17:222:52:166:567:54
9:14
+1:06
25.2M
25.20 mi13:20:472:55:416:583:25
9:54
+0:40
Finish
26.22 mi13:29:193:04:137:028:32
8:22
-1:32

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

6:05 /mi

Average Pace

7:02 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:13

54% of race

Time at Steady Pace

38:04

21% of race

Time at Slower Pace

46:56

25% of race

Average Pace: 7:02 /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 mi10:44:1419:086:1019:08
6:10
#1045
10K
6.21 mi11:03:0938:036:0718:55
6:05
#1024
15K
9.32 mi11:22:4757:416:1119:38
6:19
#1167
20K
12.43 mi11:43:251:18:196:1820:38
6:38
#1540
Half
13.11 mi11:47:511:22:456:194:26
6:30
#1592
25K
15.53 mi12:04:191:39:136:2316:28
6:47
#1836
30K
18.64 mi12:26:262:01:206:3122:07
7:07
#2279
20M
20.00 mi12:36:402:11:346:3510:14
7:32
#2534
21M
21.00 mi12:45:032:19:576:408:23
8:23
#2845
35K
21.75 mi12:50:462:25:406:425:43
7:38
#3080
23M
23.00 mi13:01:202:36:146:4810:34
8:26
#3683
24M
24.00 mi13:09:282:44:226:518:08
8:08
#4169
40K
24.85 mi13:17:222:52:166:567:54
9:14
#4668
25.2M
25.20 mi13:20:472:55:416:583:25
9:54
#4838
Finish
26.22 mi13:29:193:04:137:028:32
8:22
#5085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10459879871748(Top 7%)1674(Top 11%)1674(Top 32%)
10K6.21 mi3.10 mi1024+21968+19968+191035(Top 4%)985(Top 6%)985(Top 19%)
15K9.32 mi3.11 mi1167-1431107-1391107-1391748(Top 7%)1674(Top 11%)1674(Top 32%)
20K12.43 mi3.11 mi1540-3731471-3641471-3643123(Top 12%)2970(Top 20%)2970(Top 56%)
Half13.11 mi0.68 mi1592-521521-501521-502845(Top 11%)2729(Top 18%)2729(Top 52%)
25K15.53 mi2.42 mi1836-2441755-2341755-2344089(Top 15%)3835(Top 25%)3835(Top 73%)
30K18.64 mi3.11 mi2279-4432187-4322187-4325039(Top 19%)4630(Top 31%)4630(Top 88%)
20M20.00 mi1.36 mi2534-2552423-2362423-2366956(Top 26%)5934(Top 39%)5934(Top 112%)
21M21.00 mi1.00 mi2845-3112719-2962719-2969704(Top 36%)7436(Top 49%)7436(Top 141%)
35K21.75 mi0.75 mi3080-2352925-2062925-2069487(Top 36%)7324(Top 48%)7324(Top 139%)
23M23.00 mi1.25 mi3683-6033474-5493474-54912801(Top 48%)8807(Top 58%)8807(Top 167%)
24M24.00 mi1.00 mi4169-4863904-4303904-43012105(Top 45%)8431(Top 56%)8431(Top 160%)
40K24.85 mi0.85 mi4668-4994333-4294333-42917233(Top 65%)10671(Top 70%)10671(Top 202%)
25.2M25.20 mi0.35 mi4838-1704463-1304463-13016916(Top 64%)10493(Top 69%)10493(Top 199%)
Finish26.22 mi1.02 mi5085-2474666-2034666-20314510(Top 55%)9479(Top 62%)9479(Top 179%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1748

Males

1674

M18-39

1674

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1035

Males

985

M18-39

985

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1748

Males

1674

M18-39

1674

15K→20K

9.3 - 12.4 mi

Top 12%
×5stories
+106ft-86ft

Overall

3123

Males

2970

M18-39

2970

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2845

Males

2729

M18-39

2729

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4089

Males

3835

M18-39

3835

25K→30K

15.5 - 18.6 mi

Top 19%
×9stories
+181ft-148ft

Overall

5039

Males

4630

M18-39

4630

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6956

Males

5934

M18-39

5934

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

9704

Males

7436

M18-39

7436

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

9487

Males

7324

M18-39

7324

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12801

Males

8807

M18-39

8807

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

12105

Males

8431

M18-39

8431

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17233

Males

10671

M18-39

10671

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

16916

Males

10493

M18-39

10493

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2stories
+22ft-21ft

Overall

14510

Males

9479

M18-39

9479

Passing Analysis

Category:
Athletes Passed
116
Passed By
4156
Net Change
-4040
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1045
5K → 10K6241+21#1045#1024
10K → 15K3146-143#1024#1167
15K → 20K4377-373#1167#1540
20K → Half153-52#1540#1592
Half → 25K2246-244#1592#1836
25K → 30K7450-443#1836#2279
30K → 20M5260-255#2279#2534
20M → 21M2313-311#2534#2845
21M → 35K6241-235#2845#3080
35K → 23M7610-603#3080#3683
23M → 24M6492-486#3683#4169
24M → 40K5504-499#4169#4668
40K → 25.2M1171-170#4668#4838
25.2M → Finish5252-247#4838#5085
TOTALS1164156-4040
📊

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