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BOSTON MARATHON 2023

Nicholas Lightbody

Bib: 901•M

BC

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 14%
Gender (Male)
#0 / 15176
Top 23%
Division (M18-39)
#0 / 5285
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:10
Rank: #4786
Start → 5K
21:10 | 6:49/mi
10K· 6.21 mi
42:07
Rank: #4770 (+16)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:15
Rank: #4853 (-83)
10K → 15K
21:08 | 6:48/mi
20K· 12.43 mi
1:24:26
Rank: #4778 (+75)
15K → 20K
21:11 | 6:49/mi
Half· 13.11 mi
1:29:04
Rank: #4804 (-26)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:32
Rank: #4634 (+170)
Half → 25K
16:28 | 6:47/mi
30K· 18.64 mi
2:06:50
Rank: #4340 (+294)
25K → 30K
21:18 | 6:51/mi
20M
2:16:14
Rank: #4258 (+82)
30K → 20M
9:24 | 6:55/mi
21M
2:23:21
Rank: #4104 (+154)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:28:26
Rank: #4097 (+7)
21M → 35K
5:05 | 6:48/mi
23M
2:37:01
Rank: #3983 (+114)
35K → 23M
8:35 | 6:51/mi
24M
2:43:38
Rank: #3892 (+91)
23M → 24M
6:37 | 6:37/mi
40K· 24.85 mi
2:49:21
Rank: #3776 (+116)
24M → 40K
5:43 | 6:41/mi
25.2M
2:51:49
Rank: #3738 (+38)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:58:27
Rank: #3640 (+98)
25.2M → Finish
6:38 | 6:31/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:04
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:29:23
Pace6:49 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:4621:106:4921:10
6:49
-
10K
6.21 mi11:08:4342:076:4720:57
6:45
-0:04
15K
9.32 mi11:29:511:03:156:4721:08
6:48
+0:03
20K
12.43 mi11:51:021:24:266:4821:11
6:49
+0:01
Half
13.11 mi11:55:401:29:046:484:38
6:47
-0:02
25K
15.53 mi12:12:081:45:326:4816:28
6:47
0:00
30K
18.64 mi12:33:262:06:506:4821:18
6:51
+0:04
20M
20.00 mi12:42:502:16:146:499:24
6:55
+0:04
21M
21.00 mi12:49:572:23:216:507:07
7:07
+0:12
35K
21.75 mi12:55:022:28:266:505:05
6:48
-0:19
23M
23.00 mi13:03:372:37:016:508:35
6:51
+0:03
24M
24.00 mi13:10:142:43:386:496:37
6:37
-0:14
40K
24.85 mi13:15:572:49:216:495:43
6:41
+0:04
25.2M
25.20 mi13:18:252:51:496:492:28
7:09
+0:28
Finish
26.22 mi13:25:032:58:276:496:38
6:31
-0:38

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

6:31 /mi

Average Pace

6:49 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:09:35

73% of race

Time at Steady Pace

48:52

27% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:48 /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 mi10:47:4621:106:4921:10
6:49
#4786
10K
6.21 mi11:08:4342:076:4720:57
6:45
#4770
15K
9.32 mi11:29:511:03:156:4721:08
6:48
#4853
20K
12.43 mi11:51:021:24:266:4821:11
6:49
#4778
Half
13.11 mi11:55:401:29:046:484:38
6:47
#4804
25K
15.53 mi12:12:081:45:326:4816:28
6:47
#4634
30K
18.64 mi12:33:262:06:506:4821:18
6:51
#4340
20M
20.00 mi12:42:502:16:146:499:24
6:55
#4258
21M
21.00 mi12:49:572:23:216:507:07
7:07
#4104
35K
21.75 mi12:55:022:28:266:505:05
6:48
#4097
23M
23.00 mi13:03:372:37:016:508:35
6:51
#3983
24M
24.00 mi13:10:142:43:386:496:37
6:37
#3892
40K
24.85 mi13:15:572:49:216:495:43
6:41
#3776
25.2M
25.20 mi13:18:252:51:496:492:28
7:09
#3738
Finish
26.22 mi13:25:032:58:276:496:38
6:31
#3640
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4786445244525119(Top 19%)4736(Top 31%)4736(Top 90%)
10K6.21 mi3.10 mi4770+164439+134439+134747(Top 18%)4411(Top 29%)4411(Top 83%)
15K9.32 mi3.11 mi4853-834515-764515-765119(Top 19%)4736(Top 31%)4736(Top 90%)
20K12.43 mi3.11 mi4778+754456+594456+594583(Top 17%)4268(Top 28%)4268(Top 81%)
Half13.11 mi0.68 mi4804-264476-204476-205102(Top 19%)4712(Top 31%)4712(Top 89%)
25K15.53 mi2.42 mi4634+1704321+1554321+1554062(Top 15%)3808(Top 25%)3808(Top 72%)
30K18.64 mi3.11 mi4340+2944062+2594062+2593349(Top 13%)3153(Top 21%)3153(Top 60%)
20M20.00 mi1.36 mi4258+823991+713991+713527(Top 13%)3292(Top 22%)3292(Top 62%)
21M21.00 mi1.00 mi4104+1543849+1423849+1422701(Top 10%)2537(Top 17%)2537(Top 48%)
35K21.75 mi0.75 mi4097+73839+103839+104127(Top 16%)3777(Top 25%)3777(Top 71%)
23M23.00 mi1.25 mi3983+1143737+1023737+1022977(Top 11%)2778(Top 18%)2778(Top 53%)
24M24.00 mi1.00 mi3892+913652+853652+852665(Top 10%)2483(Top 16%)2483(Top 47%)
40K24.85 mi0.85 mi3776+1163548+1043548+1042304(Top 9%)2142(Top 14%)2142(Top 41%)
25.2M25.20 mi0.35 mi3738+383513+353513+352349(Top 9%)2182(Top 14%)2182(Top 41%)
Finish26.22 mi1.02 mi3640+983426+873426+872539(Top 10%)2333(Top 15%)2333(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21stories
+97ft-345ft

Overall

5119

Males

4736

M18-39

4736

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4747

Males

4411

M18-39

4411

10K→15K

6.2 - 9.3 mi

Top 19%
×3stories
+67ft-78ft

Overall

5119

Males

4736

M18-39

4736

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4583

Males

4268

M18-39

4268

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5102

Males

4712

M18-39

4712

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4062

Males

3808

M18-39

3808

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3349

Males

3153

M18-39

3153

30K→20M

18.6 - 20.0 mi

Top 13%
×5stories
+64ft-50ft

Overall

3527

Males

3292

M18-39

3292

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2701

Males

2537

M18-39

2537

21M→35K

21.0 - 21.8 mi

Top 16%
×7stories
+17ft-86ft

Overall

4127

Males

3777

M18-39

3777

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2977

Males

2778

M18-39

2778

23M→24M

23.0 - 24.0 mi

Top 10%
×6stories
+12ft-82ft

Overall

2665

Males

2483

M18-39

2483

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2304

Males

2142

M18-39

2142

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2349

Males

2182

M18-39

2182

25.2M→Finish

25.2 - 26.2 mi

Top 10%
×2stories
+22ft-21ft

Overall

2539

Males

2333

M18-39

2333

Passing Analysis

Category:
Athletes Passed
1767
Passed By
621
Net Change
+1146
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4786
5K → 10K211195+16#4786#4770
10K → 15K83166-83#4770#4853
15K → 20K13964+75#4853#4778
20K → Half1945-26#4778#4804
Half → 25K19626+170#4804#4634
25K → 30K3039+294#4634#4340
30K → 20M10826+82#4340#4258
20M → 21M1617+154#4258#4104
21M → 35K3730+7#4104#4097
35K → 23M12713+114#4097#3983
23M → 24M10615+91#3983#3892
24M → 40K1248+116#3892#3776
40K → 25.2M424+38#3776#3738
25.2M → Finish11113+98#3738#3640
TOTALS1767621+1146
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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