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BOSTON MARATHON 2023

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Bib: 5175•M

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0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 28%
Gender (Male)
#0 / 15176
Top 42%
Masters (Masters Men)
#0 / 9891
Top 29%
Division (M40-44)
#0 / 2241
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4081
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:47
Rank: #4231 (-150)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:02:43
Rank: #4309 (-78)
10K → 15K
20:56 | 6:44/mi
20K· 12.43 mi
1:24:04
Rank: #4501 (-192)
15K → 20K
21:21 | 6:52/mi
Half· 13.11 mi
1:28:41
Rank: #4511 (-10)
20K → Half
4:37 | 6:46/mi
25K· 15.53 mi
1:45:44
Rank: #4765 (-254)
Half → 25K
17:03 | 7:02/mi
30K· 18.64 mi
2:09:19
Rank: #5460 (-695)
25K → 30K
23:35 | 7:35/mi
20M
2:20:12
Rank: #5703 (-243)
30K → 20M
10:53 | 8:01/mi
21M
2:29:00
Rank: #5963 (-260)
20M → 21M
8:48 | 8:48/mi
35K· 21.75 mi
2:34:48
Rank: #6069 (-106)
21M → 35K
5:48 | 7:45/mi
23M
2:45:57
Rank: #6503 (-434)
35K → 23M
11:09 | 8:54/mi
24M
2:54:50
Rank: #6850 (-347)
23M → 24M
8:53 | 8:53/mi
40K· 24.85 mi
3:02:35
Rank: #7163 (-313)
24M → 40K
7:45 | 9:04/mi
25.2M
3:06:03
Rank: #7340 (-177)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
3:14:15
Rank: #7520 (-180)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:41
Pace6:46 /mi
2nd Half
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
📊Positive Split: 19.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0320:576:4520:57
6:45
-
10K
6.21 mi10:44:5341:476:4320:50
6:42
-0:03
15K
9.32 mi11:05:491:02:436:4420:56
6:44
+0:02
20K
12.43 mi11:27:101:24:046:4621:21
6:52
+0:08
Half
13.11 mi11:31:471:28:416:464:37
6:46
-0:06
25K
15.53 mi11:48:501:45:446:4817:03
7:02
+0:16
30K
18.64 mi12:12:252:09:196:5623:35
7:35
+0:33
20M
20.00 mi12:23:182:20:127:0110:53
8:01
+0:26
21M
21.00 mi12:32:062:29:007:068:48
8:48
+0:47
35K
21.75 mi12:37:542:34:487:075:48
7:45
-1:03
23M
23.00 mi12:49:032:45:577:1311:09
8:54
+1:09
24M
24.00 mi12:57:562:54:507:178:53
8:53
-0:01
40K
24.85 mi13:05:413:02:357:217:45
9:04
+0:11
25.2M
25.20 mi13:09:093:06:037:233:28
10:03
+0:59
Finish
26.22 mi13:17:213:14:157:258:12
8:03
-2:00

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

6:42 /mi

Average Pace

7:25 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:44

54% of race

Time at Steady Pace

48:28

25% of race

Time at Slower Pace

40:03

21% of race

Average Pace: 7:25 /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 mi10:24:0320:576:4520:57
6:45
#4081
10K
6.21 mi10:44:5341:476:4320:50
6:42
#4231
15K
9.32 mi11:05:491:02:436:4420:56
6:44
#4309
20K
12.43 mi11:27:101:24:046:4621:21
6:52
#4501
Half
13.11 mi11:31:471:28:416:464:37
6:46
#4511
25K
15.53 mi11:48:501:45:446:4817:03
7:02
#4765
30K
18.64 mi12:12:252:09:196:5623:35
7:35
#5460
20M
20.00 mi12:23:182:20:127:0110:53
8:01
#5703
21M
21.00 mi12:32:062:29:007:068:48
8:48
#5963
35K
21.75 mi12:37:542:34:487:075:48
7:45
#6069
23M
23.00 mi12:49:032:45:577:1311:09
8:54
#6503
24M
24.00 mi12:57:562:54:507:178:53
8:53
#6850
40K
24.85 mi13:05:413:02:357:217:45
9:04
#7163
25.2M
25.20 mi13:09:093:06:037:233:28
10:03
#7340
Finish
26.22 mi13:17:213:14:157:258:12
8:03
#7520
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4081382838284508(Top 17%)4212(Top 28%)4212(Top 188%)
10K6.21 mi3.10 mi4231-1503966-1383966-1384402(Top 17%)4121(Top 27%)4121(Top 184%)
15K9.32 mi3.11 mi4309-784036-704036-704508(Top 17%)4212(Top 28%)4212(Top 188%)
20K12.43 mi3.11 mi4501-1924206-1704206-1705140(Top 19%)4755(Top 31%)4755(Top 212%)
Half13.11 mi0.68 mi4511-104215-94215-95053(Top 19%)4685(Top 31%)4685(Top 209%)
25K15.53 mi2.42 mi4765-2544438-2234438-2235771(Top 22%)5284(Top 35%)5284(Top 236%)
30K18.64 mi3.11 mi5460-6955036-5985036-5987870(Top 30%)6605(Top 44%)6605(Top 295%)
20M20.00 mi1.36 mi5703-2435225-1895225-18910289(Top 39%)7902(Top 52%)7902(Top 353%)
21M21.00 mi1.00 mi5963-2605411-1865411-18612217(Top 46%)8671(Top 57%)8671(Top 387%)
35K21.75 mi0.75 mi6069-1065485-745485-7410240(Top 38%)7733(Top 51%)7733(Top 345%)
23M23.00 mi1.25 mi6503-4345795-3105795-31015535(Top 58%)10037(Top 66%)10037(Top 448%)
24M24.00 mi1.00 mi6850-3476030-2356030-23516647(Top 63%)10452(Top 69%)10452(Top 466%)
40K24.85 mi0.85 mi7163-3136233-2036233-20316443(Top 62%)10312(Top 68%)10312(Top 460%)
25.2M25.20 mi0.35 mi7340-1776331-986331-9817500(Top 66%)10757(Top 71%)10757(Top 480%)
Finish26.22 mi1.02 mi7520-1806431-1006431-10012398(Top 47%)8466(Top 56%)8466(Top 378%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4508

Males

4212

M40-44

4212

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4402

Males

4121

M40-44

4121

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4508

Males

4212

M40-44

4212

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5140

Males

4755

M40-44

4755

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5053

Males

4685

M40-44

4685

Half→25K

13.1 - 15.5 mi

Top 22%
×4stories
+66ft-88ft

Overall

5771

Males

5284

M40-44

5284

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

7870

Males

6605

M40-44

6605

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10289

Males

7902

M40-44

7902

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

12217

Males

8671

M40-44

8671

21M→35K

21.0 - 21.8 mi

Top 38%
×7stories
+17ft-86ft

Overall

10240

Males

7733

M40-44

7733

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15535

Males

10037

M40-44

10037

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

16647

Males

10452

M40-44

10452

24M→40K

24.0 - 24.9 mi

Top 62%
×1story
+6ft-20ft

Overall

16443

Males

10312

M40-44

10312

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17500

Males

10757

M40-44

10757

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

12398

Males

8466

M40-44

8466

Passing Analysis

Category:
Athletes Passed
493
Passed By
3932
Net Change
-3439
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4081
5K → 10K154304-150#4081#4231
10K → 15K101179-78#4231#4309
15K → 20K55247-192#4309#4501
20K → Half2030-10#4501#4511
Half → 25K48302-254#4511#4765
25K → 30K22717-695#4765#5460
30K → 20M12255-243#5460#5703
20M → 21M12272-260#5703#5963
21M → 35K11117-106#5963#6069
35K → 23M12446-434#6069#6503
23M → 24M9356-347#6503#6850
24M → 40K6319-313#6850#7163
40K → 25.2M2179-177#7163#7340
25.2M → Finish29209-180#7340#7520
TOTALS4933932-3439
📊

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