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BOSTON MARATHON 2023

Peter Blas

Bib: 17433•M

GU

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M60-64)
#0 / 1110
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:52
Rank: #18544
Start → 5K
26:52 | 8:39/mi
10K· 6.21 mi
52:35
Rank: #17658 (+886)
5K → 10K
25:43 | 8:17/mi
15K· 9.32 mi
1:20:02
Rank: #18404 (-746)
10K → 15K
27:27 | 8:50/mi
20K· 12.43 mi
1:47:49
Rank: #18674 (-270)
15K → 20K
27:47 | 8:57/mi
Half· 13.11 mi
1:54:07
Rank: #18818 (-144)
20K → Half
6:18 | 9:14/mi
25K· 15.53 mi
2:19:27
Rank: #20007 (-1189)
Half → 25K
25:20 | 10:27/mi
30K· 18.64 mi
2:50:36
Rank: #20283 (-276)
25K → 30K
31:09 | 10:02/mi
20M
3:04:38
Rank: #20369 (-86)
30K → 20M
14:02 | 10:20/mi
21M
3:16:54
Rank: #20599 (-230)
20M → 21M
12:16 | 12:16/mi
35K· 21.75 mi
3:25:29
Rank: #20797 (-198)
21M → 35K
8:35 | 11:28/mi
23M
3:42:47
Rank: #21406 (-609)
35K → 23M
17:18 | 13:49/mi
24M
3:55:06
Rank: #21676 (-270)
23M → 24M
12:19 | 12:19/mi
40K· 24.85 mi
4:08:04
Rank: #22046 (-370)
24M → 40K
12:58 | 15:10/mi
25.2M
4:12:32
Rank: #22097 (-51)
40K → 25.2M
4:28 | 12:57/mi
Finish· 26.22 mi
4:23:51
Rank: #22193 (-96)
25.2M → Finish
11:19 | 11:06/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:07
Pace8:42 /mi
2nd Half
Distance13.11 mi
Time2:29:44
Pace11:25 /mi
📊Positive Split: 31.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:22:1426:528:3926:52
8:39
-
10K
6.21 mi11:47:5752:358:2825:43
8:17
-0:22
15K
9.32 mi12:15:241:20:028:3527:27
8:50
+0:33
20K
12.43 mi12:43:111:47:498:4127:47
8:57
+0:07
Half
13.11 mi12:49:291:54:078:426:18
9:14
+0:17
25K
15.53 mi13:14:492:19:278:5925:20
10:27
+1:13
30K
18.64 mi13:45:582:50:369:0931:09
10:02
-0:25
20M
20.00 mi14:00:003:04:389:1414:02
10:20
+0:18
21M
21.00 mi14:12:163:16:549:2312:16
12:16
+1:56
35K
21.75 mi14:20:513:25:299:278:35
11:28
-0:48
23M
23.00 mi14:38:093:42:479:4117:18
13:49
+2:21
24M
24.00 mi14:50:283:55:069:4812:19
12:19
-1:30
40K
24.85 mi15:03:264:08:049:5912:58
15:10
+2:51
25.2M
25.20 mi15:07:544:12:3210:014:28
12:57
-2:13
Finish
26.22 mi15:19:134:23:5110:0411:19
11:06
-1:51

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

8:17 /mi

Average Pace

10:04 /mi

Slowest Pace

15:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:07

43% of race

Time at Steady Pace

1:21:50

31% of race

Time at Slower Pace

1:07:54

26% of race

Average Pace: 10:04 /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 mi11:22:1426:528:3926:52
8:39
#18544
10K
6.21 mi11:47:5752:358:2825:43
8:17
#17658
15K
9.32 mi12:15:241:20:028:3527:27
8:50
#18404
20K
12.43 mi12:43:111:47:498:4127:47
8:57
#18674
Half
13.11 mi12:49:291:54:078:426:18
9:14
#18818
25K
15.53 mi13:14:492:19:278:5925:20
10:27
#20007
30K
18.64 mi13:45:582:50:369:0931:09
10:02
#20283
20M
20.00 mi14:00:003:04:389:1414:02
10:20
#20369
21M
21.00 mi14:12:163:16:549:2312:16
12:16
#20599
35K
21.75 mi14:20:513:25:299:278:35
11:28
#20797
23M
23.00 mi14:38:093:42:479:4117:18
13:49
#21406
24M
24.00 mi14:50:283:55:069:4812:19
12:19
#21676
40K
24.85 mi15:03:264:08:049:5912:58
15:10
#22046
25.2M
25.20 mi15:07:544:12:3210:014:28
12:57
#22097
Finish
26.22 mi15:19:134:23:5110:0411:19
11:06
#22193
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18544116281162819705(Top 74%)12180(Top 80%)12180(Top 1097%)
10K6.21 mi3.10 mi17658+88611321+30711321+30716769(Top 63%)11023(Top 73%)11023(Top 993%)
15K9.32 mi3.11 mi18404-74611636-31511636-31519705(Top 74%)12180(Top 80%)12180(Top 1097%)
20K12.43 mi3.11 mi18674-27011739-10311739-10319426(Top 73%)12070(Top 80%)12070(Top 1087%)
Half13.11 mi0.68 mi18818-14411784-4511784-4521267(Top 80%)12860(Top 85%)12860(Top 1159%)
25K15.53 mi2.42 mi20007-118912275-49112275-49123082(Top 87%)13622(Top 90%)13622(Top 1227%)
30K18.64 mi3.11 mi20283-27612374-9912374-9921099(Top 79%)12679(Top 84%)12679(Top 1142%)
20M20.00 mi1.36 mi20369-8612399-2512399-2521334(Top 80%)12715(Top 84%)12715(Top 1145%)
21M21.00 mi1.00 mi20599-23012494-9512494-9523141(Top 87%)13501(Top 89%)13501(Top 1216%)
35K21.75 mi0.75 mi20797-19812568-7412568-7424042(Top 90%)13866(Top 91%)13866(Top 1249%)
23M23.00 mi1.25 mi21406-60912835-26712835-26725706(Top 97%)14678(Top 97%)14678(Top 1322%)
24M24.00 mi1.00 mi21676-27012944-10912944-10924863(Top 93%)14226(Top 94%)14226(Top 1282%)
40K24.85 mi0.85 mi22046-37013109-16513109-16526214(Top 98%)14921(Top 98%)14921(Top 1344%)
25.2M25.20 mi0.35 mi22097-5113128-1913128-1923887(Top 90%)13732(Top 90%)13732(Top 1237%)
Finish26.22 mi1.02 mi22193-9613166-3813166-3824146(Top 91%)13895(Top 92%)13895(Top 1252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21stories
+97ft-345ft

Overall

19705

Males

12180

M60-64

12180

5K→10K

3.1 - 6.2 mi

Top 63%
×5stories
+79ft-138ft

Overall

16769

Males

11023

M60-64

11023

10K→15K

6.2 - 9.3 mi

Top 74%
×3stories
+67ft-78ft

Overall

19705

Males

12180

M60-64

12180

15K→20K

9.3 - 12.4 mi

Top 73%
×5stories
+106ft-86ft

Overall

19426

Males

12070

M60-64

12070

20K→Half

12.4 - 13.1 mi

Top 80%
×2stories
+19ft-37ft

Overall

21267

Males

12860

M60-64

12860

Half→25K

13.1 - 15.5 mi

Top 87%
×4stories
+66ft-88ft

Overall

23082

Males

13622

M60-64

13622

25K→30K

15.5 - 18.6 mi

Top 79%
×9stories
+181ft-148ft

Overall

21099

Males

12679

M60-64

12679

30K→20M

18.6 - 20.0 mi

Top 80%
×5stories
+64ft-50ft

Overall

21334

Males

12715

M60-64

12715

20M→21M

20.0 - 21.0 mi

Top 87%
×8stories
+106ft-24ft

Overall

23141

Males

13501

M60-64

13501

21M→35K

21.0 - 21.8 mi

Top 90%
×7stories
+17ft-86ft

Overall

24042

Males

13866

M60-64

13866

35K→23M

21.8 - 23.0 mi

Top 97%
×5stories
+23ft-63ft

Overall

25706

Males

14678

M60-64

14678

23M→24M

23.0 - 24.0 mi

Top 93%
×6stories
+12ft-82ft

Overall

24863

Males

14226

M60-64

14226

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

26214

Males

14921

M60-64

14921

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23887

Males

13732

M60-64

13732

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

24146

Males

13895

M60-64

13895

Passing Analysis

Category:
Athletes Passed
1314
Passed By
4963
Net Change
-3649
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18544
5K → 10K988102+886#18544#17658
10K → 15K38784-746#17658#18404
15K → 20K86356-270#18404#18674
20K → Half5149-144#18674#18818
Half → 25K81197-1189#18818#20007
25K → 30K73349-276#20007#20283
30K → 20M53139-86#20283#20369
20M → 21M20250-230#20369#20599
21M → 35K14212-198#20599#20797
35K → 23M6615-609#20797#21406
23M → 24M4274-270#21406#21676
24M → 40K3373-370#21676#22046
40K → 25.2M758-51#22046#22097
25.2M → Finish9105-96#22097#22193
TOTALS13144963-3649
📊

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