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BOSTON MARATHON 2023

Brian Lightbody

Bib: 1114•M

ME

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 3%
Gender (Male)
#0 / 15176
Top 6%
Division (M18-39)
#0 / 5285
Top 14%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:15
Rank: #1119
Start → 5K
19:15 | 6:12/mi
10K· 6.21 mi
38:11
Rank: #1060 (+59)
5K → 10K
18:56 | 6:06/mi
15K· 9.32 mi
57:12
Rank: #1052 (+8)
10K → 15K
19:01 | 6:07/mi
20K· 12.43 mi
1:16:26
Rank: #1034 (+18)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:20:36
Rank: #1034
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:35:28
Rank: #986 (+48)
Half → 25K
14:52 | 6:08/mi
30K· 18.64 mi
1:54:30
Rank: #877 (+109)
25K → 30K
19:02 | 6:08/mi
20M
2:03:02
Rank: #860 (+17)
30K → 20M
8:32 | 6:17/mi
21M
2:09:40
Rank: #850 (+10)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:14:12
Rank: #847 (+3)
21M → 35K
4:32 | 6:04/mi
23M
2:22:18
Rank: #847
35K → 23M
8:06 | 6:28/mi
24M
2:28:37
Rank: #852 (-5)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:34:15
Rank: #861 (-9)
24M → 40K
5:38 | 6:35/mi
25.2M
2:36:44
Rank: #866 (-5)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:43:29
Rank: #900 (-34)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:36
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:22:53
Pace6:19 /mi
📊Positive Split: 2.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:4519:156:1219:15
6:12
-
10K
6.21 mi10:38:4138:116:0918:56
6:06
-0:06
15K
9.32 mi10:57:4257:126:0819:01
6:07
+0:01
20K
12.43 mi11:16:561:16:266:0919:14
6:11
+0:04
Half
13.11 mi11:21:061:20:366:094:10
6:06
-0:05
25K
15.53 mi11:35:581:35:286:0914:52
6:08
+0:02
30K
18.64 mi11:55:001:54:306:0919:02
6:08
0:00
20M
20.00 mi12:03:322:03:026:098:32
6:17
+0:09
21M
21.00 mi12:10:102:09:406:106:38
6:38
+0:21
35K
21.75 mi12:14:422:14:126:104:32
6:04
-0:34
23M
23.00 mi12:22:482:22:186:118:06
6:28
+0:24
24M
24.00 mi12:29:072:28:376:126:19
6:19
-0:09
40K
24.85 mi12:34:452:34:156:125:38
6:35
+0:16
25.2M
25.20 mi12:37:142:36:446:132:29
7:12
+0:37
Finish
26.22 mi12:43:592:43:296:146:45
6:37
-0:35

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

6:04 /mi

Average Pace

6:14 /mi

Slowest Pace

7:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:00

98% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

2:29

2% of race

Average Pace: 6:14 /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 mi10:19:4519:156:1219:15
6:12
#1119
10K
6.21 mi10:38:4138:116:0918:56
6:06
#1060
15K
9.32 mi10:57:4257:126:0819:01
6:07
#1052
20K
12.43 mi11:16:561:16:266:0919:14
6:11
#1034
Half
13.11 mi11:21:061:20:366:094:10
6:06
#1034
25K
15.53 mi11:35:581:35:286:0914:52
6:08
#986
30K
18.64 mi11:55:001:54:306:0919:02
6:08
#877
20M
20.00 mi12:03:322:03:026:098:32
6:17
#860
21M
21.00 mi12:10:102:09:406:106:38
6:38
#850
35K
21.75 mi12:14:422:14:126:104:32
6:04
#847
23M
23.00 mi12:22:482:22:186:118:06
6:28
#847
24M
24.00 mi12:29:072:28:376:126:19
6:19
#852
40K
24.85 mi12:34:452:34:156:125:38
6:35
#861
25.2M
25.20 mi12:37:142:36:446:132:29
7:12
#866
Finish
26.22 mi12:43:592:43:296:146:45
6:37
#900
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1119105710571019(Top 4%)969(Top 6%)969(Top 18%)
10K6.21 mi3.10 mi1060+591003+541003+541042(Top 4%)990(Top 7%)990(Top 19%)
15K9.32 mi3.11 mi1052+8998+5998+51019(Top 4%)969(Top 6%)969(Top 18%)
20K12.43 mi3.11 mi1034+18982+16982+161032(Top 4%)982(Top 6%)982(Top 19%)
Half13.11 mi0.68 mi10349829821025(Top 4%)977(Top 6%)977(Top 18%)
25K15.53 mi2.42 mi986+48936+46936+46820(Top 3%)777(Top 5%)777(Top 15%)
30K18.64 mi3.11 mi877+109829+107829+107549(Top 2%)515(Top 3%)515(Top 10%)
20M20.00 mi1.36 mi860+17814+15814+15828(Top 3%)788(Top 5%)788(Top 15%)
21M21.00 mi1.00 mi850+10805+9805+9925(Top 3%)877(Top 6%)877(Top 17%)
35K21.75 mi0.75 mi847+3802+3802+3818(Top 3%)775(Top 5%)775(Top 15%)
23M23.00 mi1.25 mi847801+1801+11313(Top 5%)1244(Top 8%)1244(Top 24%)
24M24.00 mi1.00 mi852-5806-5806-51372(Top 5%)1298(Top 9%)1298(Top 25%)
40K24.85 mi0.85 mi861-9815-9815-91841(Top 7%)1732(Top 11%)1732(Top 33%)
25.2M25.20 mi0.35 mi866-5820-5820-52442(Top 9%)2255(Top 15%)2255(Top 43%)
Finish26.22 mi1.02 mi900-34854-34854-343061(Top 11%)2756(Top 18%)2756(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1019

Males

969

M18-39

969

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1042

Males

990

M18-39

990

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1019

Males

969

M18-39

969

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1032

Males

982

M18-39

982

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1025

Males

977

M18-39

977

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

820

Males

777

M18-39

777

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

549

Males

515

M18-39

515

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

828

Males

788

M18-39

788

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

925

Males

877

M18-39

877

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

818

Males

775

M18-39

775

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1313

Males

1244

M18-39

1244

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1372

Males

1298

M18-39

1298

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1841

Males

1732

M18-39

1732

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2442

Males

2255

M18-39

2255

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3061

Males

2756

M18-39

2756

Passing Analysis

Category:
Athletes Passed
420
Passed By
201
Net Change
+219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1119
5K → 10K8526+59#1119#1060
10K → 15K3527+8#1060#1052
15K → 20K3416+18#1052#1034
20K → Half660#1034#1034
Half → 25K513+48#1034#986
25K → 30K1112+109#986#877
30K → 20M225+17#877#860
20M → 21M2212+10#860#850
21M → 35K85+3#850#847
35K → 23M14140#847#847
23M → 24M1015-5#847#852
24M → 40K716-9#852#861
40K → 25.2M510-5#861#866
25.2M → Finish1044-34#866#900
TOTALS420201+219
📊

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