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BOSTON MARATHON 2023

Leigh Crowden

Bib: 27488•M

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:13
Rank: #20794
Start → 5K
28:13 | 9:05/mi
10K· 6.21 mi
55:49
Rank: #20577 (+217)
5K → 10K
27:36 | 8:53/mi
15K· 9.32 mi
1:24:02
Rank: #20630 (-53)
10K → 15K
28:13 | 9:05/mi
20K· 12.43 mi
1:52:13
Rank: #20486 (+144)
15K → 20K
28:11 | 9:04/mi
Half· 13.11 mi
1:58:15
Rank: #20452 (+34)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:20:32
Rank: #20345 (+107)
Half → 25K
22:17 | 9:11/mi
30K· 18.64 mi
2:49:22
Rank: #19985 (+360)
25K → 30K
28:50 | 9:17/mi
20M
3:02:00
Rank: #19813 (+172)
30K → 20M
12:38 | 9:18/mi
21M
3:12:13
Rank: #19737 (+76)
20M → 21M
10:13 | 10:13/mi
35K· 21.75 mi
3:18:29
Rank: #19593 (+144)
21M → 35K
6:16 | 8:23/mi
23M
3:30:07
Rank: #19462 (+131)
35K → 23M
11:38 | 9:17/mi
24M
3:38:42
Rank: #19291 (+171)
23M → 24M
8:35 | 8:35/mi
40K· 24.85 mi
3:46:35
Rank: #19214 (+77)
24M → 40K
7:53 | 9:13/mi
25.2M
3:50:12
Rank: #19216 (-2)
40K → 25.2M
3:37 | 10:29/mi
Finish· 26.22 mi
3:59:25
Rank: #19206 (+10)
25.2M → Finish
9:13 | 9:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:58:15
Pace9:01 /mi
2nd Half
Distance13.11 mi
Time2:01:10
Pace9:15 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:1528:139:0528:13
9:05
-
10K
6.21 mi12:12:5155:498:5927:36
8:53
-0:12
15K
9.32 mi12:41:041:24:029:0128:13
9:05
+0:12
20K
12.43 mi13:09:151:52:139:0228:11
9:04
-0:01
Half
13.11 mi13:15:171:58:159:016:02
8:51
-0:13
25K
15.53 mi13:37:342:20:329:0322:17
9:11
+0:20
30K
18.64 mi14:06:242:49:229:0528:50
9:17
+0:06
20M
20.00 mi14:19:023:02:009:0612:38
9:18
+0:01
21M
21.00 mi14:29:153:12:139:0910:13
10:13
+0:55
35K
21.75 mi14:35:313:18:299:086:16
8:23
-1:50
23M
23.00 mi14:47:093:30:079:0811:38
9:17
+0:54
24M
24.00 mi14:55:443:38:429:078:35
8:35
-0:42
40K
24.85 mi15:03:373:46:359:077:53
9:13
+0:38
25.2M
25.20 mi15:07:143:50:129:083:37
10:29
+1:16
Finish
26.22 mi15:16:273:59:259:089:13
9:03
-1:26

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

8:23 /mi

Average Pace

9:08 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:51

6% of race

Time at Steady Pace

3:30:44

88% of race

Time at Slower Pace

13:50

6% of race

Average Pace: 9:08 /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 mi11:45:1528:139:0528:13
9:05
#20794
10K
6.21 mi12:12:5155:498:5927:36
8:53
#20577
15K
9.32 mi12:41:041:24:029:0128:13
9:05
#20630
20K
12.43 mi13:09:151:52:139:0228:11
9:04
#20486
Half
13.11 mi13:15:171:58:159:016:02
8:51
#20452
25K
15.53 mi13:37:342:20:329:0322:17
9:11
#20345
30K
18.64 mi14:06:242:49:229:0528:50
9:17
#19985
20M
20.00 mi14:19:023:02:009:0612:38
9:18
#19813
21M
21.00 mi14:29:153:12:139:0910:13
10:13
#19737
35K
21.75 mi14:35:313:18:299:086:16
8:23
#19593
23M
23.00 mi14:47:093:30:079:0811:38
9:17
#19462
24M
24.00 mi14:55:443:38:429:078:35
8:35
#19291
40K
24.85 mi15:03:373:46:359:077:53
9:13
#19214
25.2M
25.20 mi15:07:143:50:129:083:37
10:29
#19216
Finish
26.22 mi15:16:273:59:259:089:13
9:03
#19206
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20794125061250620859(Top 78%)12676(Top 84%)12676(Top 240%)
10K6.21 mi3.10 mi20577+21712479+2712479+2720348(Top 76%)12430(Top 82%)12430(Top 235%)
15K9.32 mi3.11 mi20630-5312523-4412523-4420859(Top 78%)12676(Top 84%)12676(Top 240%)
20K12.43 mi3.11 mi20486+14412474+4912474+4920005(Top 75%)12302(Top 81%)12302(Top 233%)
Half13.11 mi0.68 mi20452+3412462+1212462+1219687(Top 74%)12172(Top 80%)12172(Top 230%)
25K15.53 mi2.42 mi20345+10712424+3812424+3819788(Top 74%)12186(Top 80%)12186(Top 231%)
30K18.64 mi3.11 mi19985+36012241+18312241+18318525(Top 70%)11570(Top 76%)11570(Top 219%)
20M20.00 mi1.36 mi19813+17212166+7512166+7518004(Top 68%)11239(Top 74%)11239(Top 213%)
21M21.00 mi1.00 mi19737+7612127+3912127+3918757(Top 70%)11538(Top 76%)11538(Top 218%)
35K21.75 mi0.75 mi19593+14412055+7212055+7214581(Top 55%)9699(Top 64%)9699(Top 184%)
23M23.00 mi1.25 mi19462+13111996+5911996+5917471(Top 66%)10904(Top 72%)10904(Top 206%)
24M24.00 mi1.00 mi19291+17111915+8111915+8114964(Top 56%)9742(Top 64%)9742(Top 184%)
40K24.85 mi0.85 mi19214+7711876+3911876+3917173(Top 65%)10660(Top 70%)10660(Top 202%)
25.2M25.20 mi0.35 mi19216-211871+511871+519034(Top 71%)11490(Top 76%)11490(Top 217%)
Finish26.22 mi1.02 mi19206+1011857+1411857+1418175(Top 68%)11166(Top 74%)11166(Top 211%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 78%
×21stories
+97ft-345ft

Overall

20859

Males

12676

M18-39

12676

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

20348

Males

12430

M18-39

12430

10K→15K

6.2 - 9.3 mi

Top 78%
×3stories
+67ft-78ft

Overall

20859

Males

12676

M18-39

12676

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

20005

Males

12302

M18-39

12302

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

19687

Males

12172

M18-39

12172

Half→25K

13.1 - 15.5 mi

Top 74%
×4stories
+66ft-88ft

Overall

19788

Males

12186

M18-39

12186

25K→30K

15.5 - 18.6 mi

Top 70%
×9stories
+181ft-148ft

Overall

18525

Males

11570

M18-39

11570

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

18004

Males

11239

M18-39

11239

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18757

Males

11538

M18-39

11538

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

14581

Males

9699

M18-39

9699

35K→23M

21.8 - 23.0 mi

Top 66%
×5stories
+23ft-63ft

Overall

17471

Males

10904

M18-39

10904

23M→24M

23.0 - 24.0 mi

Top 56%
×6stories
+12ft-82ft

Overall

14964

Males

9742

M18-39

9742

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17173

Males

10660

M18-39

10660

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

19034

Males

11490

M18-39

11490

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18175

Males

11166

M18-39

11166

Passing Analysis

Category:
Athletes Passed
2358
Passed By
770
Net Change
+1588
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20794
5K → 10K435218+217#20794#20577
10K → 15K154207-53#20577#20630
15K → 20K23894+144#20630#20486
20K → Half4612+34#20486#20452
Half → 25K16558+107#20452#20345
25K → 30K37818+360#20345#19985
30K → 20M18412+172#19985#19813
20M → 21M11741+76#19813#19737
21M → 35K1451+144#19737#19593
35K → 23M15019+131#19593#19462
23M → 24M1732+171#19462#19291
24M → 40K9215+77#19291#19214
40K → 25.2M1921-2#19214#19216
25.2M → Finish6252+10#19216#19206
TOTALS2358770+1588
📊

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