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BOSTON MARATHON 2023

Alan Walker

Bib: 2503•M

MO

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 35%
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
21:18
Rank: #5193
Start → 5K
6:51/mi
21:18 split
10K· 6.21 mi
42:02
Rank: #4651 (+542)
5K → 10K
6:40/mi
20:44 split
15K· 9.32 mi
1:02:33
Rank: #4121 (+530)
10K → 15K
6:36/mi
20:31 split
20K· 12.43 mi
1:23:08
Rank: #3762 (+359)
15K → 20K
6:38/mi
20:35 split
Half· 13.11 mi
1:27:39
Rank: #3749 (+13)
20K → Half
6:37/mi
4:31 split
25K· 15.53 mi
1:44:23
Rank: #3965 (-216)
Half → 25K
6:54/mi
16:44 split
30K· 18.64 mi
2:07:09
Rank: #4494 (-529)
25K → 30K
7:20/mi
22:46 split
20M
2:17:20
Rank: #4729 (-235)
30K → 20M
7:30/mi
10:11 split
21M
2:25:20
Rank: #4887 (-158)
20M → 21M
8:00/mi
8:00 split
35K· 21.75 mi
2:31:10
Rank: #5079 (-192)
21M → 35K
7:48/mi
5:50 split
23M
2:42:42
Rank: #5658 (-579)
35K → 23M
9:13/mi
11:32 split
24M
2:50:17
Rank: #5712 (-54)
23M → 24M
7:35/mi
7:35 split
40K· 24.85 mi
2:57:03
Rank: #5777 (-65)
24M → 40K
7:55/mi
6:46 split
25.2M
2:59:59
Rank: #5804 (-27)
40K → 25.2M
8:30/mi
2:56 split
Finish· 26.22 mi
3:07:38
Rank: #5850 (-46)
25.2M → Finish
7:30/mi
7:39 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:39
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:39:59
Pace7:38 /mi
📊Positive Split: 14.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:46:4521:186:5121:18
6:51
-
10K
6.21 mi11:07:2942:026:4620:44
6:40
-0:11
15K
9.32 mi11:28:001:02:336:4320:31
6:36
-0:04
20K
12.43 mi11:48:351:23:086:4120:35
6:38
+0:02
Half
13.11 mi11:53:061:27:396:414:31
6:37
-0:01
25K
15.53 mi12:09:501:44:236:4316:44
6:54
+0:17
30K
18.64 mi12:32:362:07:096:4922:46
7:20
+0:26
20M
20.00 mi12:42:472:17:206:5210:11
7:30
+0:10
21M
21.00 mi12:50:472:25:206:558:00
8:00
+0:30
35K
21.75 mi12:56:372:31:106:575:50
7:48
-0:12
23M
23.00 mi13:08:092:42:427:0411:32
9:13
+1:25
24M
24.00 mi13:15:442:50:177:067:35
7:35
-1:38
40K
24.85 mi13:22:302:57:037:076:46
7:55
+0:20
25.2M
25.20 mi13:25:262:59:597:092:56
8:30
+0:35
Finish
26.22 mi13:33:053:07:387:107:39
7:30
-1:00

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

6:36 /mi

Average Pace

7:10 /mi

Slowest Pace

9:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:23

56% of race

Time at Steady Pace

54:01

29% of race

Time at Slower Pace

29:14

16% of race

Average Pace: 7:09 /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 mi10:46:4521:186:5121:18
6:51
#5193
10K
6.21 mi11:07:2942:026:4620:44
6:40
#4651
15K
9.32 mi11:28:001:02:336:4320:31
6:36
#4121
20K
12.43 mi11:48:351:23:086:4120:35
6:38
#3762
Half
13.11 mi11:53:061:27:396:414:31
6:37
#3749
25K
15.53 mi12:09:501:44:236:4316:44
6:54
#3965
30K
18.64 mi12:32:362:07:096:4922:46
7:20
#4494
20M
20.00 mi12:42:472:17:206:5210:11
7:30
#4729
21M
21.00 mi12:50:472:25:206:558:00
8:00
#4887
35K
21.75 mi12:56:372:31:106:575:50
7:48
#5079
23M
23.00 mi13:08:092:42:427:0411:32
9:13
#5658
24M
24.00 mi13:15:442:50:177:067:35
7:35
#5712
40K
24.85 mi13:22:302:57:037:076:46
7:55
#5777
25.2M
25.20 mi13:25:262:59:597:092:56
8:30
#5804
Finish
26.22 mi13:33:053:07:387:107:39
7:30
#5850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5193481648163337(Top 13%)3167(Top 21%)3167(Top 60%)
10K6.21 mi3.10 mi4651+5424339+4774339+4774098(Top 15%)3849(Top 25%)3849(Top 73%)
15K9.32 mi3.11 mi4121+5303872+4673872+4673337(Top 13%)3167(Top 21%)3167(Top 60%)
20K12.43 mi3.11 mi3762+3593553+3193553+3193022(Top 11%)2878(Top 19%)2878(Top 54%)
Half13.11 mi0.68 mi3749+133544+93544+93659(Top 14%)3467(Top 23%)3467(Top 66%)
25K15.53 mi2.42 mi3965-2163733-1893733-1894979(Top 19%)4608(Top 30%)4608(Top 87%)
30K18.64 mi3.11 mi4494-5294200-4674200-4676176(Top 23%)5496(Top 36%)5496(Top 104%)
20M20.00 mi1.36 mi4729-2354406-2064406-2066717(Top 25%)5777(Top 38%)5777(Top 109%)
21M21.00 mi1.00 mi4887-1584539-1334539-1337312(Top 27%)6057(Top 40%)6057(Top 115%)
35K21.75 mi0.75 mi5079-1924688-1494688-14910578(Top 40%)7893(Top 52%)7893(Top 149%)
23M23.00 mi1.25 mi5658-5795162-4745162-47417085(Top 64%)10720(Top 71%)10720(Top 203%)
24M24.00 mi1.00 mi5712-545189-275189-278234(Top 31%)6439(Top 42%)6439(Top 122%)
40K24.85 mi0.85 mi5777-655227-385227-389391(Top 35%)7018(Top 46%)7018(Top 133%)
25.2M25.20 mi0.35 mi5804-275244-175244-179431(Top 35%)6957(Top 46%)6957(Top 132%)
Finish26.22 mi1.02 mi5850-465268-245268-248562(Top 32%)6492(Top 43%)6492(Top 123%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3337

Males

3167

M18-39

3167

5K→10K

3.1 - 6.2 mi

Top 15%
×5story building
+79ft-138ft

Overall

4098

Males

3849

M18-39

3849

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3337

Males

3167

M18-39

3167

15K→20K

9.3 - 12.4 mi

Top 11%
×5story building
+106ft-86ft

Overall

3022

Males

2878

M18-39

2878

20K→Half

12.4 - 13.1 mi

Top 14%
×2story building
+19ft-37ft

Overall

3659

Males

3467

M18-39

3467

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

4979

Males

4608

M18-39

4608

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6176

Males

5496

M18-39

5496

30K→20M

18.6 - 20.0 mi

Top 25%
×5story building
+64ft-50ft

Overall

6717

Males

5777

M18-39

5777

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7312

Males

6057

M18-39

6057

21M→35K

21.0 - 21.8 mi

Top 40%
×7story building
+17ft-86ft

Overall

10578

Males

7893

M18-39

7893

35K→23M

21.8 - 23.0 mi

Top 64%
×5story building
+23ft-63ft

Overall

17085

Males

10720

M18-39

10720

23M→24M

23.0 - 24.0 mi

Top 31%
×6story building
+12ft-82ft

Overall

8234

Males

6439

M18-39

6439

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9391

Males

7018

M18-39

7018

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9431

Males

6957

M18-39

6957

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8562

Males

6492

M18-39

6492

Passing Analysis

Category:
Athletes Passed
1739
Passed By
2396
Net Change
-657
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5193
5K → 10K57634+542#5193#4651
10K → 15K5399+530#4651#4121
15K → 20K3634+359#4121#3762
20K → Half2613+13#3762#3749
Half → 25K35251-216#3749#3965
25K → 30K27556-529#3965#4494
30K → 20M22257-235#4494#4729
20M → 21M18176-158#4729#4887
21M → 35K11203-192#4887#5079
35K → 23M9588-579#5079#5658
23M → 24M3185-54#5658#5712
24M → 40K2489-65#5712#5777
40K → 25.2M1845-27#5777#5804
25.2M → Finish4086-46#5804#5850
TOTALS17392396-657
📊

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