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BOSTON MARATHON 2023

Chuck Crowley

Bib: 23062•M

IN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M65-69)
#0 / 549
Top 20%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:15/mi
25:39
↑ 97↓ 3451.5%
10K· 6.21 mi
8:22/mi
51:39
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:17:29
↑ 67↓ 78
20K· 12.43 mi
8:18/mi
1:43:16
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:48:58
↑ 19↓ 370.5%
25K· 15.53 mi
8:18/mi
2:09:06
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:35:56
↑ 181↓ 1480.2%
20M
8:51/mi
2:47:58
↑ 64↓ 500.2%
21M
9:55/mi
2:57:53
↑ 106↓ 241.6%
35K· 21.75 mi
8:40/mi
3:04:22
↑ 17↓ 861.7%
23M
9:14/mi
3:15:56
↑ 23↓ 630.6%
24M
8:55/mi
3:24:51
↓ 821.3%
40K· 24.85 mi
9:33/mi
3:33:01
↓ 200.3%
25.2M
10:23/mi
3:36:36
↑ 13↓ 160.2%
Finish· 26.22 mi
9:11/mi
3:45:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:58
Pace8:19 /mi
2nd Half
Distance13.11 mi
Time1:57:00
Pace8:56 /mi
📊Positive Split: 7.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:20:5725:398:1525:39
8:15
-
10K
6.21 mi11:46:5751:398:1926:00
8:22
+0:07
15K
9.32 mi12:12:471:17:298:1925:50
8:19
-0:03
20K
12.43 mi12:38:341:43:168:1925:47
8:18
-0:01
Half
13.11 mi12:44:161:48:588:195:42
8:21
+0:03
25K
15.53 mi13:04:242:09:068:1920:08
8:18
-0:03
30K
18.64 mi13:31:142:35:568:2226:50
8:38
+0:20
20M
20.00 mi13:43:162:47:588:2412:02
8:51
+0:13
21M
21.00 mi13:53:112:57:538:289:55
9:55
+1:04
35K
21.75 mi13:59:403:04:228:296:29
8:40
-1:15
23M
23.00 mi14:11:143:15:568:3111:34
9:14
+0:34
24M
24.00 mi14:20:093:24:518:328:55
8:55
-0:19
40K
24.85 mi14:28:193:33:018:348:10
9:33
+0:38
25.2M
25.20 mi14:31:543:36:368:363:35
10:23
+0:50
Finish
26.22 mi14:41:163:45:588:379:22
9:11
-1:12

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

8:15 /mi

Average Pace

8:37 /mi

Slowest Pace

10:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:24

43% of race

Time at Steady Pace

1:25:58

38% of race

Time at Slower Pace

42:36

19% of race

Average Pace: 8:37 /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 mi11:20:5725:398:1525:39
8:15
#15846
10K
6.21 mi11:46:5751:398:1926:00
8:22
#16593
15K
9.32 mi12:12:471:17:298:1925:50
8:19
#16602
20K
12.43 mi12:38:341:43:168:1925:47
8:18
#16352
Half
13.11 mi12:44:161:48:588:195:42
8:21
#16379
25K
15.53 mi13:04:242:09:068:1920:08
8:18
#16102
30K
18.64 mi13:31:142:35:568:2226:50
8:38
#15901
20M
20.00 mi13:43:162:47:588:2412:02
8:51
#15896
21M
21.00 mi13:53:112:57:538:289:55
9:55
#15995
35K
21.75 mi13:59:403:04:228:296:29
8:40
#15991
23M
23.00 mi14:11:143:15:568:3111:34
9:14
#16080
24M
24.00 mi14:20:093:24:518:328:55
8:55
#16093
40K
24.85 mi14:28:193:33:018:348:10
9:33
#16201
25.2M
25.20 mi14:31:543:36:368:363:35
10:23
#16250
Finish
26.22 mi14:41:163:45:588:379:22
9:11
#16364
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM65-69Seg. OverallSeg. MalesSeg. M65-69
5K3.11 mi3.11 mi15846106491064916628(Top 62%)10920(Top 72%)10920(Top 1989%)
10K6.21 mi3.10 mi16593-74710936-28710936-28717354(Top 65%)11238(Top 74%)11238(Top 2047%)
15K9.32 mi3.11 mi16602-910917+1910917+1916628(Top 62%)10920(Top 72%)10920(Top 1989%)
20K12.43 mi3.11 mi16352+25010810+10710810+10715595(Top 59%)10486(Top 69%)10486(Top 1910%)
Half13.11 mi0.68 mi16379-2710820-1010820-1016788(Top 63%)10989(Top 72%)10989(Top 2002%)
25K15.53 mi2.42 mi16102+27710685+13510685+13514976(Top 56%)10141(Top 67%)10141(Top 1847%)
30K18.64 mi3.11 mi15901+20110565+12010565+12015143(Top 57%)10102(Top 67%)10102(Top 1840%)
20M20.00 mi1.36 mi15896+510535+3010535+3015733(Top 59%)10304(Top 68%)10304(Top 1877%)
21M21.00 mi1.00 mi15995-9910564-2910564-2917697(Top 66%)11093(Top 73%)11093(Top 2021%)
35K21.75 mi0.75 mi15991+410542+2210542+2216206(Top 61%)10368(Top 68%)10368(Top 1889%)
23M23.00 mi1.25 mi16080-8910560-1810560-1817230(Top 65%)10791(Top 71%)10791(Top 1966%)
24M24.00 mi1.00 mi16093-1310555+510555+516823(Top 63%)10545(Top 69%)10545(Top 1921%)
40K24.85 mi0.85 mi16201-10810585-3010585-3018489(Top 69%)11257(Top 74%)11257(Top 2050%)
25.2M25.20 mi0.35 mi16250-4910599-1410599-1418712(Top 70%)11340(Top 75%)11340(Top 2066%)
Finish26.22 mi1.02 mi16364-11410647-4810647-4818850(Top 71%)11466(Top 76%)11466(Top 2089%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 62%
×21story building
+97ft-345ft

Overall

16628

Males

10920

M65-69

10920

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17354

Males

11238

M65-69

11238

10K→15K

6.2 - 9.3 mi

Top 62%
×3story building
+67ft-78ft

Overall

16628

Males

10920

M65-69

10920

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15595

Males

10486

M65-69

10486

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16788

Males

10989

M65-69

10989

Half→25K

13.1 - 15.5 mi

Top 56%
×4story building
+66ft-88ft

Overall

14976

Males

10141

M65-69

10141

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15143

Males

10102

M65-69

10102

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15733

Males

10304

M65-69

10304

20M→21M

20.0 - 21.0 mi

Top 66%
×8story building
+106ft-24ft

Overall

17697

Males

11093

M65-69

11093

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16206

Males

10368

M65-69

10368

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17230

Males

10791

M65-69

10791

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16823

Males

10545

M65-69

10545

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18489

Males

11257

M65-69

11257

40K→25.2M

24.9 - 25.2 mi

Top 70%
×1story
+13ft-16ft

Overall

18712

Males

11340

M65-69

11340

25.2M→Finish

25.2 - 26.2 mi

Top 71%
×2story building
+22ft-21ft

Overall

18850

Males

11466

M65-69

11466

Passing Analysis

Category:
Athletes Passed
1588
Passed By
2106
Net Change
-518
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15846
5K → 10K79826-747#15846#16593
10K → 15K199208-9#16593#16602
15K → 20K30959+250#16602#16352
20K → Half2855-27#16352#16379
Half → 25K30427+277#16379#16102
25K → 30K27069+201#16102#15901
30K → 20M9893+5#15901#15896
20M → 21M52151-99#15896#15995
21M → 35K5349+4#15995#15991
35K → 23M54143-89#15991#16080
23M → 24M6275-13#16080#16093
24M → 40K36144-108#16093#16201
40K → 25.2M1463-49#16201#16250
25.2M → Finish30144-114#16250#16364
TOTALS15882106-518
📊

Passing Visuals

Category:
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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