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BOSTON MARATHON 2023

Guillermo Lira Plaza

Bib: 31645•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M50-54)
#0 / 2052
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
9:42/mi
30:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:36/mi
59:59
↑ 79↓ 1380.4%
15K· 9.32 mi
9:45/mi
1:30:16
↑ 67↓ 78
20K· 12.43 mi
10:04/mi
2:01:34
↑ 106↓ 860.1%
Half· 13.11 mi
9:29/mi
2:08:02
↑ 19↓ 370.5%
25K· 15.53 mi
10:27/mi
2:33:23
↑ 66↓ 880.2%
30K· 18.64 mi
10:12/mi
3:05:04
↑ 181↓ 1480.2%
20M
10:09/mi
3:18:51
↑ 64↓ 500.2%
21M
11:00/mi
3:29:51
↑ 106↓ 241.6%
35K· 21.75 mi
10:22/mi
3:37:36
↑ 17↓ 861.7%
23M
10:01/mi
3:50:09
↑ 23↓ 630.6%
24M
10:01/mi
4:00:10
↓ 821.3%
40K· 24.85 mi
10:28/mi
4:09:07
↓ 200.3%
25.2M
11:36/mi
4:13:07
↑ 13↓ 160.2%
Finish· 26.22 mi
10:20/mi
4:23:39
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:08:02
Pace9:46 /mi
2nd Half
Distance13.11 mi
Time2:15:37
Pace10:21 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:1930:089:4230:08
9:42
-
10K
6.21 mi12:19:1059:599:3929:51
9:36
-0:06
15K
9.32 mi12:49:271:30:169:4130:17
9:45
+0:09
20K
12.43 mi13:20:452:01:349:4731:18
10:04
+0:19
Half
13.11 mi13:27:132:08:029:466:28
9:29
-0:35
25K
15.53 mi13:52:342:33:239:5225:21
10:27
+0:58
30K
18.64 mi14:24:153:05:049:5631:41
10:12
-0:15
20M
20.00 mi14:38:023:18:519:5713:47
10:09
-0:03
21M
21.00 mi14:49:023:29:5110:0011:00
11:00
+0:51
35K
21.75 mi14:56:473:37:3610:007:45
10:22
-0:38
23M
23.00 mi15:09:203:50:0910:0012:33
10:01
-0:21
24M
24.00 mi15:19:214:00:1010:0010:01
10:01
0:00
40K
24.85 mi15:28:184:09:0710:018:57
10:28
+0:27
25.2M
25.20 mi15:32:184:13:0710:034:00
11:36
+1:08
Finish
26.22 mi15:42:504:23:3910:0410:32
10:20
-1:16

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

9:29 /mi

Average Pace

10:04 /mi

Slowest Pace

11:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:44

37% of race

Time at Steady Pace

1:57:37

45% of race

Time at Slower Pace

49:18

19% of race

Average Pace: 10:03 /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 mi11:49:1930:089:4230:08
9:42
#22649
10K
6.21 mi12:19:1059:599:3929:51
9:36
#22762
15K
9.32 mi12:49:271:30:169:4130:17
9:45
#22836
20K
12.43 mi13:20:452:01:349:4731:18
10:04
#22885
Half
13.11 mi13:27:132:08:029:466:28
9:29
#22840
25K
15.53 mi13:52:342:33:239:5225:21
10:27
#22907
30K
18.64 mi14:24:153:05:049:5631:41
10:12
#22630
20M
20.00 mi14:38:023:18:519:5713:47
10:09
#22501
21M
21.00 mi14:49:023:29:5110:0011:00
11:00
#22402
35K
21.75 mi14:56:473:37:3610:007:45
10:22
#22392
23M
23.00 mi15:09:203:50:0910:0012:33
10:01
#22265
24M
24.00 mi15:19:214:00:1010:0010:01
10:01
#22196
40K
24.85 mi15:28:184:09:0710:018:57
10:28
#22162
25.2M
25.20 mi15:32:184:13:0710:034:00
11:36
#22154
Finish
26.22 mi15:42:504:23:3910:0410:32
10:20
#22164
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi22649134191341922921(Top 86%)13601(Top 90%)13601(Top 663%)
10K6.21 mi3.10 mi22762-11313509-9013509-9022815(Top 86%)13554(Top 89%)13554(Top 661%)
15K9.32 mi3.11 mi22836-7413558-4913558-4922921(Top 86%)13601(Top 90%)13601(Top 663%)
20K12.43 mi3.11 mi22885-4913577-1913577-1923066(Top 87%)13661(Top 90%)13661(Top 666%)
Half13.11 mi0.68 mi22840+4513555+2213555+2222049(Top 83%)13219(Top 87%)13219(Top 644%)
25K15.53 mi2.42 mi22907-6713573-1813573-1823102(Top 87%)13633(Top 90%)13633(Top 664%)
30K18.64 mi3.11 mi22630+27713411+16213411+16221520(Top 81%)12857(Top 85%)12857(Top 627%)
20M20.00 mi1.36 mi22501+12913342+6913342+6920863(Top 78%)12509(Top 82%)12509(Top 610%)
21M21.00 mi1.00 mi22402+9913291+5113291+5120826(Top 78%)12440(Top 82%)12440(Top 606%)
35K21.75 mi0.75 mi22392+1013285+613285+622114(Top 83%)12974(Top 85%)12974(Top 632%)
23M23.00 mi1.25 mi22265+12713224+6113224+6120058(Top 75%)12051(Top 79%)12051(Top 587%)
24M24.00 mi1.00 mi22196+6913187+3713187+3720822(Top 78%)12360(Top 81%)12360(Top 602%)
40K24.85 mi0.85 mi22162+3413166+2113166+2121130(Top 79%)12426(Top 82%)12426(Top 606%)
25.2M25.20 mi0.35 mi22154+813155+1113155+1121750(Top 82%)12744(Top 84%)12744(Top 621%)
Finish26.22 mi1.02 mi22164-1013151+413151+422639(Top 85%)13151(Top 87%)13151(Top 641%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22921

Males

13601

M50-54

13601

5K→10K

3.1 - 6.2 mi

Top 86%
×5story building
+79ft-138ft

Overall

22815

Males

13554

M50-54

13554

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22921

Males

13601

M50-54

13601

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

23066

Males

13661

M50-54

13661

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22049

Males

13219

M50-54

13219

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23102

Males

13633

M50-54

13633

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

21520

Males

12857

M50-54

12857

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20863

Males

12509

M50-54

12509

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20826

Males

12440

M50-54

12440

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

22114

Males

12974

M50-54

12974

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

20058

Males

12051

M50-54

12051

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20822

Males

12360

M50-54

12360

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

21130

Males

12426

M50-54

12426

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21750

Males

12744

M50-54

12744

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2story building
+22ft-21ft

Overall

22639

Males

13151

M50-54

13151

Passing Analysis

Category:
Athletes Passed
1455
Passed By
970
Net Change
+485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22649
5K → 10K189302-113#22649#22762
10K → 15K125199-74#22762#22836
15K → 20K114163-49#22836#22885
20K → Half549+45#22885#22840
Half → 25K71138-67#22840#22907
25K → 30K29720+277#22907#22630
30K → 20M1345+129#22630#22501
20M → 21M11718+99#22501#22402
21M → 35K3626+10#22402#22392
35K → 23M1325+127#22392#22265
23M → 24M8011+69#22265#22196
24M → 40K5521+34#22196#22162
40K → 25.2M2214+8#22162#22154
25.2M → Finish2939-10#22154#22164
TOTALS1455970+485
📊

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