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BOSTON MARATHON 2023

Casey Mezyk

Bib: 8053•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 22%
Gender (Male)
#0 / 15176
Top 34%
Masters (Masters Men)
#0 / 9891
Top 20%
Division (M40-44)
#0 / 2241
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:35
Rank: #3066
Start → 5K
20:35 | 6:38/mi
10K· 6.21 mi
41:28
Rank: #3734 (-668)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:41
Rank: #4274 (-540)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:24:05
Rank: #4515 (-241)
15K → 20K
21:24 | 6:53/mi
Half· 13.11 mi
1:28:43
Rank: #4535 (-20)
20K → Half
4:38 | 6:47/mi
25K· 15.53 mi
1:45:43
Rank: #4757 (-222)
Half → 25K
17:00 | 7:01/mi
30K· 18.64 mi
2:08:41
Rank: #5210 (-453)
25K → 30K
22:58 | 7:24/mi
20M
2:19:01
Rank: #5359 (-149)
30K → 20M
10:20 | 7:36/mi
21M
2:27:02
Rank: #5428 (-69)
20M → 21M
8:01 | 8:01/mi
35K· 21.75 mi
2:32:26
Rank: #5443 (-15)
21M → 35K
5:24 | 7:13/mi
23M
2:41:59
Rank: #5486 (-43)
35K → 23M
9:33 | 7:38/mi
24M
2:49:41
Rank: #5569 (-83)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
2:56:20
Rank: #5611 (-42)
24M → 40K
6:39 | 7:47/mi
25.2M
2:59:16
Rank: #5635 (-24)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:07:13
Rank: #5755 (-120)
25.2M → Finish
7:57 | 7:48/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:43
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:38:30
Pace7:31 /mi
📊Positive Split: 11.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:45:4520:356:3820:35
6:38
-
10K
6.21 mi11:06:3841:286:4020:53
6:43
+0:05
15K
9.32 mi11:27:511:02:416:4421:13
6:50
+0:07
20K
12.43 mi11:49:151:24:056:4621:24
6:53
+0:03
Half
13.11 mi11:53:531:28:436:464:38
6:47
-0:06
25K
15.53 mi12:10:531:45:436:4817:00
7:01
+0:14
30K
18.64 mi12:33:512:08:416:5422:58
7:24
+0:23
20M
20.00 mi12:44:112:19:016:5710:20
7:36
+0:12
21M
21.00 mi12:52:122:27:027:008:01
8:01
+0:25
35K
21.75 mi12:57:362:32:267:015:24
7:13
-0:48
23M
23.00 mi13:07:092:41:597:039:33
7:38
+0:25
24M
24.00 mi13:14:512:49:417:047:42
7:42
+0:04
40K
24.85 mi13:21:302:56:207:066:39
7:47
+0:05
25.2M
25.20 mi13:24:262:59:167:072:56
8:30
+0:43
Finish
26.22 mi13:32:233:07:137:097:57
7:48
-0:42

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

6:38 /mi

Average Pace

7:09 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:43

56% of race

Time at Steady Pace

48:15

26% of race

Time at Slower Pace

33:15

18% of race

Average Pace: 7:08 /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 mi10:45:4520:356:3820:35
6:38
#3066
10K
6.21 mi11:06:3841:286:4020:53
6:43
#3734
15K
9.32 mi11:27:511:02:416:4421:13
6:50
#4274
20K
12.43 mi11:49:151:24:056:4621:24
6:53
#4515
Half
13.11 mi11:53:531:28:436:464:38
6:47
#4535
25K
15.53 mi12:10:531:45:436:4817:00
7:01
#4757
30K
18.64 mi12:33:512:08:416:5422:58
7:24
#5210
20M
20.00 mi12:44:112:19:016:5710:20
7:36
#5359
21M
21.00 mi12:52:122:27:027:008:01
8:01
#5428
35K
21.75 mi12:57:362:32:267:015:24
7:13
#5443
23M
23.00 mi13:07:092:41:597:039:33
7:38
#5486
24M
24.00 mi13:14:512:49:417:047:42
7:42
#5569
40K
24.85 mi13:21:302:56:207:066:39
7:47
#5611
25.2M
25.20 mi13:24:262:59:167:072:56
8:30
#5635
Finish
26.22 mi13:32:233:07:137:097:57
7:48
#5755
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3066290629065386(Top 20%)4971(Top 33%)4971(Top 222%)
10K6.21 mi3.10 mi3734-6683523-6173523-6174571(Top 17%)4268(Top 28%)4268(Top 190%)
15K9.32 mi3.11 mi4274-5404003-4804003-4805386(Top 20%)4971(Top 33%)4971(Top 222%)
20K12.43 mi3.11 mi4515-2414217-2144217-2145254(Top 20%)4855(Top 32%)4855(Top 217%)
Half13.11 mi0.68 mi4535-204234-174234-175211(Top 20%)4821(Top 32%)4821(Top 215%)
25K15.53 mi2.42 mi4757-2224430-1964430-1965643(Top 21%)5175(Top 34%)5175(Top 231%)
30K18.64 mi3.11 mi5210-4534821-3914821-3916555(Top 25%)5768(Top 38%)5768(Top 257%)
20M20.00 mi1.36 mi5359-1494941-1204941-1207485(Top 28%)6261(Top 41%)6261(Top 279%)
21M21.00 mi1.00 mi5428-694991-504991-507409(Top 28%)6113(Top 40%)6113(Top 273%)
35K21.75 mi0.75 mi5443-154996-54996-56589(Top 25%)5626(Top 37%)5626(Top 251%)
23M23.00 mi1.25 mi5486-435024-285024-287234(Top 27%)5961(Top 39%)5961(Top 266%)
24M24.00 mi1.00 mi5569-835080-565080-569045(Top 34%)6901(Top 45%)6901(Top 308%)
40K24.85 mi0.85 mi5611-425104-245104-248469(Top 32%)6521(Top 43%)6521(Top 291%)
25.2M25.20 mi0.35 mi5635-245114-105114-109429(Top 35%)6955(Top 46%)6955(Top 310%)
Finish26.22 mi1.02 mi5755-1205192-785192-7810642(Top 40%)7607(Top 50%)7607(Top 339%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5386

Males

4971

M40-44

4971

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4571

Males

4268

M40-44

4268

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5386

Males

4971

M40-44

4971

15K→20K

9.3 - 12.4 mi

Top 20%
×5stories
+106ft-86ft

Overall

5254

Males

4855

M40-44

4855

20K→Half

12.4 - 13.1 mi

Top 20%
×2stories
+19ft-37ft

Overall

5211

Males

4821

M40-44

4821

Half→25K

13.1 - 15.5 mi

Top 21%
×4stories
+66ft-88ft

Overall

5643

Males

5175

M40-44

5175

25K→30K

15.5 - 18.6 mi

Top 25%
×9stories
+181ft-148ft

Overall

6555

Males

5768

M40-44

5768

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7485

Males

6261

M40-44

6261

20M→21M

20.0 - 21.0 mi

Top 28%
×8stories
+106ft-24ft

Overall

7409

Males

6113

M40-44

6113

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6589

Males

5626

M40-44

5626

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

7234

Males

5961

M40-44

5961

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9045

Males

6901

M40-44

6901

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8469

Males

6521

M40-44

6521

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9429

Males

6955

M40-44

6955

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2stories
+22ft-21ft

Overall

10642

Males

7607

M40-44

7607

Passing Analysis

Category:
Athletes Passed
442
Passed By
3131
Net Change
-2689
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3066
5K → 10K28696-668#3066#3734
10K → 15K22562-540#3734#4274
15K → 20K42283-241#4274#4515
20K → Half1636-20#4515#4535
Half → 25K54276-222#4535#4757
25K → 30K44497-453#4757#5210
30K → 20M27176-149#5210#5359
20M → 21M36105-69#5359#5428
21M → 35K2742-15#5428#5443
35K → 23M58101-43#5443#5486
23M → 24M22105-83#5486#5569
24M → 40K3072-42#5569#5611
40K → 25.2M1337-24#5611#5635
25.2M → Finish23143-120#5635#5755
TOTALS4423131-2689
📊

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