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BOSTON MARATHON 2023

Lucas Crooks

Bib: 4089•M

AZ

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 11%
Gender (Male)
#0 / 15176
Top 18%
Division (M18-39)
#0 / 5285
Top 38%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:42
Rank: #3326
Start → 5K
20:42 | 6:40/mi
10K· 6.21 mi
41:05
Rank: #3244 (+82)
5K → 10K
20:23 | 6:34/mi
15K· 9.32 mi
1:01:31
Rank: #3196 (+48)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:22:04
Rank: #3105 (+91)
15K → 20K
20:33 | 6:37/mi
Half· 13.11 mi
1:26:32
Rank: #3098 (+7)
20K → Half
4:28 | 6:33/mi
25K· 15.53 mi
1:42:32
Rank: #2999 (+99)
Half → 25K
16:00 | 6:36/mi
30K· 18.64 mi
2:03:27
Rank: #2871 (+128)
25K → 30K
20:55 | 6:44/mi
20M
2:12:41
Rank: #2840 (+31)
30K → 20M
9:14 | 6:48/mi
21M
2:19:48
Rank: #2796 (+44)
20M → 21M
7:07 | 7:07/mi
35K· 21.75 mi
2:24:53
Rank: #2831 (-35)
21M → 35K
5:05 | 6:48/mi
23M
2:33:27
Rank: #2800 (+31)
35K → 23M
8:34 | 6:51/mi
24M
2:40:10
Rank: #2801 (-1)
23M → 24M
6:43 | 6:43/mi
40K· 24.85 mi
2:46:04
Rank: #2791 (+10)
24M → 40K
5:54 | 6:54/mi
25.2M
2:48:34
Rank: #2775 (+16)
40K → 25.2M
2:30 | 7:15/mi
Finish· 26.22 mi
2:55:24
Rank: #2797 (-22)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:32
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:28:52
Pace6:47 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:4920:426:4020:42
6:40
-
10K
6.21 mi10:43:1241:056:3720:23
6:34
-0:06
15K
9.32 mi11:03:381:01:316:3620:26
6:35
+0:01
20K
12.43 mi11:24:111:22:046:3620:33
6:37
+0:02
Half
13.11 mi11:28:391:26:326:364:28
6:33
-0:04
25K
15.53 mi11:44:391:42:326:3616:00
6:36
+0:03
30K
18.64 mi12:05:342:03:276:3720:55
6:44
+0:08
20M
20.00 mi12:14:482:12:416:389:14
6:48
+0:04
21M
21.00 mi12:21:552:19:486:397:07
7:07
+0:19
35K
21.75 mi12:27:002:24:536:405:05
6:48
-0:19
23M
23.00 mi12:35:342:33:276:408:34
6:51
+0:03
24M
24.00 mi12:42:172:40:106:406:43
6:43
-0:08
40K
24.85 mi12:48:112:46:046:415:54
6:54
+0:11
25.2M
25.20 mi12:50:412:48:346:412:30
7:15
+0:21
Finish
26.22 mi12:57:312:55:246:426:50
6:42
-0:33

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

6:33 /mi

Average Pace

6:42 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:54

99% of race

Time at Steady Pace

2:30

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:41 /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 mi10:22:4920:426:4020:42
6:40
#3326
10K
6.21 mi10:43:1241:056:3720:23
6:34
#3244
15K
9.32 mi11:03:381:01:316:3620:26
6:35
#3196
20K
12.43 mi11:24:111:22:046:3620:33
6:37
#3105
Half
13.11 mi11:28:391:26:326:364:28
6:33
#3098
25K
15.53 mi11:44:391:42:326:3616:00
6:36
#2999
30K
18.64 mi12:05:342:03:276:3720:55
6:44
#2871
20M
20.00 mi12:14:482:12:416:389:14
6:48
#2840
21M
21.00 mi12:21:552:19:486:397:07
7:07
#2796
35K
21.75 mi12:27:002:24:536:405:05
6:48
#2831
23M
23.00 mi12:35:342:33:276:408:34
6:51
#2800
24M
24.00 mi12:42:172:40:106:406:43
6:43
#2801
40K
24.85 mi12:48:112:46:046:415:54
6:54
#2791
25.2M
25.20 mi12:50:412:48:346:412:30
7:15
#2775
Finish
26.22 mi12:57:312:55:246:426:50
6:42
#2797
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3326313831383103(Top 12%)2957(Top 19%)2957(Top 56%)
10K6.21 mi3.10 mi3244+823076+623076+623199(Top 12%)3048(Top 20%)3048(Top 58%)
15K9.32 mi3.11 mi3196+483042+343042+343103(Top 12%)2957(Top 19%)2957(Top 56%)
20K12.43 mi3.11 mi3105+912960+822960+822949(Top 11%)2809(Top 19%)2809(Top 53%)
Half13.11 mi0.68 mi3098+72952+82952+83053(Top 11%)2918(Top 19%)2918(Top 55%)
25K15.53 mi2.42 mi2999+992865+872865+872708(Top 10%)2592(Top 17%)2592(Top 49%)
30K18.64 mi3.11 mi2871+1282746+1192746+1192575(Top 10%)2449(Top 16%)2449(Top 46%)
20M20.00 mi1.36 mi2840+312715+312715+312766(Top 10%)2613(Top 17%)2613(Top 49%)
21M21.00 mi1.00 mi2796+442672+432672+432682(Top 10%)2518(Top 17%)2518(Top 48%)
35K21.75 mi0.75 mi2831-352706-342706-344105(Top 15%)3755(Top 25%)3755(Top 71%)
23M23.00 mi1.25 mi2800+312671+352671+352886(Top 11%)2696(Top 18%)2696(Top 51%)
24M24.00 mi1.00 mi2801-12665+62665+63182(Top 12%)2948(Top 19%)2948(Top 56%)
40K24.85 mi0.85 mi2791+102653+122653+123302(Top 12%)3018(Top 20%)3018(Top 57%)
25.2M25.20 mi0.35 mi2775+162637+162637+162694(Top 10%)2480(Top 16%)2480(Top 47%)
Finish26.22 mi1.02 mi2797-222656-192656-193526(Top 13%)3151(Top 21%)3151(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3103

Males

2957

M18-39

2957

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3199

Males

3048

M18-39

3048

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3103

Males

2957

M18-39

2957

15K→20K

9.3 - 12.4 mi

Top 11%
×5stories
+106ft-86ft

Overall

2949

Males

2809

M18-39

2809

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

3053

Males

2918

M18-39

2918

Half→25K

13.1 - 15.5 mi

Top 10%
×4stories
+66ft-88ft

Overall

2708

Males

2592

M18-39

2592

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2575

Males

2449

M18-39

2449

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2766

Males

2613

M18-39

2613

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2682

Males

2518

M18-39

2518

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4105

Males

3755

M18-39

3755

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

2886

Males

2696

M18-39

2696

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3182

Males

2948

M18-39

2948

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3302

Males

3018

M18-39

3018

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2694

Males

2480

M18-39

2480

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3526

Males

3151

M18-39

3151

Passing Analysis

Category:
Athletes Passed
1072
Passed By
543
Net Change
+529
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3326
5K → 10K200118+82#3326#3244
10K → 15K11668+48#3244#3196
15K → 20K13746+91#3196#3105
20K → Half1811+7#3105#3098
Half → 25K11314+99#3098#2999
25K → 30K15426+128#2999#2871
30K → 20M5019+31#2871#2840
20M → 21M6420+44#2840#2796
21M → 35K1752-35#2796#2831
35K → 23M6736+31#2831#2800
23M → 24M4344-1#2800#2801
24M → 40K4232+10#2801#2791
40K → 25.2M259+16#2791#2775
25.2M → Finish2648-22#2775#2797
TOTALS1072543+529
📊

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