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BOSTON MARATHON 2023

Joshua Lyon

Bib: 12101•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #11189
Start → 5K
23:50 | 7:40/mi
10K· 6.21 mi
47:00
Rank: #10584 (+605)
5K → 10K
23:10 | 7:27/mi
15K· 9.32 mi
1:09:56
Rank: #10088 (+496)
10K → 15K
22:56 | 7:23/mi
20K· 12.43 mi
1:33:28
Rank: #10017 (+71)
15K → 20K
23:32 | 7:34/mi
Half· 13.11 mi
1:38:32
Rank: #9985 (+32)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:56:53
Rank: #9844 (+141)
Half → 25K
18:21 | 7:34/mi
30K· 18.64 mi
2:21:51
Rank: #10039 (-195)
25K → 30K
24:58 | 8:02/mi
20M
2:32:45
Rank: #10046 (-7)
30K → 20M
10:54 | 8:01/mi
21M
2:41:13
Rank: #10028 (+18)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:47:05
Rank: #10048 (-20)
21M → 35K
5:52 | 7:51/mi
23M
2:57:19
Rank: #10086 (-38)
35K → 23M
10:14 | 8:10/mi
24M
3:05:15
Rank: #10098 (-12)
23M → 24M
7:56 | 7:56/mi
40K· 24.85 mi
3:12:05
Rank: #10059 (+39)
24M → 40K
6:50 | 8:00/mi
25.2M
3:15:05
Rank: #10052 (+7)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:23:16
Rank: #10131 (-79)
25.2M → Finish
8:11 | 8:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:32
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time1:44:44
Pace7:59 /mi
📊Positive Split: 6.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2723:507:4023:50
7:40
-
10K
6.21 mi11:15:3747:007:3423:10
7:27
-0:13
15K
9.32 mi11:38:331:09:567:3022:56
7:23
-0:04
20K
12.43 mi12:02:051:33:287:3123:32
7:34
+0:11
Half
13.11 mi12:07:091:38:327:315:04
7:26
-0:08
25K
15.53 mi12:25:301:56:537:3118:21
7:34
+0:08
30K
18.64 mi12:50:282:21:517:3724:58
8:02
+0:28
20M
20.00 mi13:01:222:32:457:3810:54
8:01
-0:01
21M
21.00 mi13:09:502:41:137:418:28
8:28
+0:27
35K
21.75 mi13:15:422:47:057:415:52
7:51
-0:37
23M
23.00 mi13:25:562:57:197:4310:14
8:10
+0:19
24M
24.00 mi13:33:523:05:157:437:56
7:56
-0:14
40K
24.85 mi13:40:423:12:057:446:50
8:00
+0:04
25.2M
25.20 mi13:43:423:15:057:443:00
8:42
+0:42
Finish
26.22 mi13:51:533:23:167:458:11
8:02
-0:40

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

7:23 /mi

Average Pace

7:45 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:01:34

89% of race

Time at Steady Pace

21:42

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:45 /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 mi10:52:2723:507:4023:50
7:40
#11189
10K
6.21 mi11:15:3747:007:3423:10
7:27
#10584
15K
9.32 mi11:38:331:09:567:3022:56
7:23
#10088
20K
12.43 mi12:02:051:33:287:3123:32
7:34
#10017
Half
13.11 mi12:07:091:38:327:315:04
7:26
#9985
25K
15.53 mi12:25:301:56:537:3118:21
7:34
#9844
30K
18.64 mi12:50:282:21:517:3724:58
8:02
#10039
20M
20.00 mi13:01:222:32:457:3810:54
8:01
#10046
21M
21.00 mi13:09:502:41:137:418:28
8:28
#10028
35K
21.75 mi13:15:422:47:057:415:52
7:51
#10048
23M
23.00 mi13:25:562:57:197:4310:14
8:10
#10086
24M
24.00 mi13:33:523:05:157:437:56
7:56
#10098
40K
24.85 mi13:40:423:12:057:446:50
8:00
#10059
25.2M
25.20 mi13:43:423:15:057:443:00
8:42
#10052
Finish
26.22 mi13:51:533:23:167:458:11
8:02
#10131
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi11189874487449182(Top 34%)7656(Top 50%)7656(Top 340%)
10K6.21 mi3.10 mi10584+6058458+2868458+28610112(Top 38%)8228(Top 54%)8228(Top 365%)
15K9.32 mi3.11 mi10088+4968217+2418217+2419182(Top 34%)7656(Top 50%)7656(Top 340%)
20K12.43 mi3.11 mi10017+718167+508167+509894(Top 37%)8016(Top 53%)8016(Top 356%)
Half13.11 mi0.68 mi9985+328141+268141+269595(Top 36%)7876(Top 52%)7876(Top 350%)
25K15.53 mi2.42 mi9844+1418046+958046+959292(Top 35%)7607(Top 50%)7607(Top 338%)
30K18.64 mi3.11 mi10039-1958118-728118-7211173(Top 42%)8431(Top 56%)8431(Top 374%)
20M20.00 mi1.36 mi10046-78090+288090+2810401(Top 39%)7959(Top 52%)7959(Top 353%)
21M21.00 mi1.00 mi10028+188050+408050+4010259(Top 39%)7737(Top 51%)7737(Top 344%)
35K21.75 mi0.75 mi10048-208042+88042+810916(Top 41%)8065(Top 53%)8065(Top 358%)
23M23.00 mi1.25 mi10086-388033+98033+910962(Top 41%)7943(Top 52%)7943(Top 353%)
24M24.00 mi1.00 mi10098-128012+218012+2110749(Top 40%)7772(Top 51%)7772(Top 345%)
40K24.85 mi0.85 mi10059+397959+537959+539970(Top 37%)7321(Top 48%)7321(Top 325%)
25.2M25.20 mi0.35 mi10052+77940+197940+1910697(Top 40%)7654(Top 50%)7654(Top 340%)
Finish26.22 mi1.02 mi10131-797957-177957-1712315(Top 46%)8429(Top 56%)8429(Top 374%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9182

Males

7656

M45-49

7656

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10112

Males

8228

M45-49

8228

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9182

Males

7656

M45-49

7656

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9894

Males

8016

M45-49

8016

20K→Half

12.4 - 13.1 mi

Top 36%
×2stories
+19ft-37ft

Overall

9595

Males

7876

M45-49

7876

Half→25K

13.1 - 15.5 mi

Top 35%
×4stories
+66ft-88ft

Overall

9292

Males

7607

M45-49

7607

25K→30K

15.5 - 18.6 mi

Top 42%
×9stories
+181ft-148ft

Overall

11173

Males

8431

M45-49

8431

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10401

Males

7959

M45-49

7959

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

10259

Males

7737

M45-49

7737

21M→35K

21.0 - 21.8 mi

Top 41%
×7stories
+17ft-86ft

Overall

10916

Males

8065

M45-49

8065

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10962

Males

7943

M45-49

7943

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10749

Males

7772

M45-49

7772

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9970

Males

7321

M45-49

7321

40K→25.2M

24.9 - 25.2 mi

Top 40%
×1story
+13ft-16ft

Overall

10697

Males

7654

M45-49

7654

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2stories
+22ft-21ft

Overall

12315

Males

8429

M45-49

8429

Passing Analysis

Category:
Athletes Passed
2272*
Passed By
1213
Net Change
+1058
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11189
5K → 10K693*88+605#11189#10584
10K → 15K52832+496#10584#10088
15K → 20K210*139+71#10088#10017
20K → Half44*12+32#10017#9985
Half → 25K18241+141#9985#9844
25K → 30K95290-195#9844#10039
30K → 20M8794-7#10039#10046
20M → 21M9577+18#10046#10028
21M → 35K3959-20#10028#10048
35K → 23M69107-38#10048#10086
23M → 24M6677-12#10086#10098
24M → 40K8344+39#10098#10059
40K → 25.2M38*31+7#10059#10052
25.2M → Finish43122-79#10052#10131
TOTALS2272*1213+1058

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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