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BOSTON MARATHON 2023

Rex Mangiaracina

Bib: 12801•M

NC

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Division (M45-49)
#0 / 2252
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
28:28
Rank: #21081
Start → 5K
28:28 | 9:10/mi
10K· 6.21 mi
55:32
Rank: #20382 (+699)
5K → 10K
27:04 | 8:43/mi
15K· 9.32 mi
1:22:39
Rank: #19956 (+426)
10K → 15K
27:07 | 8:44/mi
20K· 12.43 mi
1:50:02
Rank: #19610 (+346)
15K → 20K
27:23 | 8:49/mi
Half· 13.11 mi
1:55:53
Rank: #19544 (+66)
20K → Half
5:51 | 8:34/mi
25K· 15.53 mi
2:18:15
Rank: #19616 (-72)
Half → 25K
22:22 | 9:13/mi
30K· 18.64 mi
2:46:55
Rank: #19373 (+243)
25K → 30K
28:40 | 9:14/mi
20M
2:59:48
Rank: #19316 (+57)
30K → 20M
12:53 | 9:29/mi
21M
3:09:51
Rank: #19232 (+84)
20M → 21M
10:03 | 10:03/mi
35K· 21.75 mi
3:16:53
Rank: #19254 (-22)
21M → 35K
7:02 | 9:24/mi
23M
3:29:05
Rank: #19255 (-1)
35K → 23M
12:12 | 9:45/mi
24M
3:38:45
Rank: #19298 (-43)
23M → 24M
9:40 | 9:40/mi
40K· 24.85 mi
3:47:12
Rank: #19329 (-31)
24M → 40K
8:27 | 9:53/mi
25.2M
3:50:48
Rank: #19334 (-5)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
4:00:41
Rank: #19423 (-89)
25.2M → Finish
9:53 | 9:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:55:53
Pace8:50 /mi
2nd Half
Distance13.11 mi
Time2:04:48
Pace9:31 /mi
📊Positive Split: 7.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:0228:289:1028:28
9:10
-
10K
6.21 mi11:23:0655:328:5627:04
8:43
-0:27
15K
9.32 mi11:50:131:22:398:5227:07
8:44
+0:01
20K
12.43 mi12:17:361:50:028:5127:23
8:49
+0:05
Half
13.11 mi12:23:271:55:538:505:51
8:34
-0:15
25K
15.53 mi12:45:492:18:158:5422:22
9:13
+0:39
30K
18.64 mi13:14:292:46:558:5728:40
9:14
+0:01
20M
20.00 mi13:27:222:59:488:5912:53
9:29
+0:15
21M
21.00 mi13:37:253:09:519:0210:03
10:03
+0:34
35K
21.75 mi13:44:273:16:539:037:02
9:24
-0:39
23M
23.00 mi13:56:393:29:059:0512:12
9:45
+0:21
24M
24.00 mi14:06:193:38:459:079:40
9:40
-0:05
40K
24.85 mi14:14:463:47:129:088:27
9:53
+0:13
25.2M
25.20 mi14:18:223:50:489:103:36
10:26
+0:33
Finish
26.22 mi14:28:154:00:419:119:53
9:42
-0:44

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

8:34 /mi

Average Pace

9:11 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:25

36% of race

Time at Steady Pace

1:39:25

41% of race

Time at Slower Pace

53:51

22% of race

Average Pace: 9:11 /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 mi10:56:0228:289:1028:28
9:10
#21081
10K
6.21 mi11:23:0655:328:5627:04
8:43
#20382
15K
9.32 mi11:50:131:22:398:5227:07
8:44
#19956
20K
12.43 mi12:17:361:50:028:5127:23
8:49
#19610
Half
13.11 mi12:23:271:55:538:505:51
8:34
#19544
25K
15.53 mi12:45:492:18:158:5422:22
9:13
#19616
30K
18.64 mi13:14:292:46:558:5728:40
9:14
#19373
20M
20.00 mi13:27:222:59:488:5912:53
9:29
#19316
21M
21.00 mi13:37:253:09:519:0210:03
10:03
#19232
35K
21.75 mi13:44:273:16:539:037:02
9:24
#19254
23M
23.00 mi13:56:393:29:059:0512:12
9:45
#19255
24M
24.00 mi14:06:193:38:459:079:40
9:40
#19298
40K
24.85 mi14:14:463:47:129:088:27
9:53
#19329
25.2M
25.20 mi14:18:223:50:489:103:36
10:26
#19334
Finish
26.22 mi14:28:154:00:419:119:53
9:42
#19423
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi21081126451264519117(Top 72%)11927(Top 79%)11927(Top 530%)
10K6.21 mi3.10 mi20382+69912390+25512390+25519489(Top 73%)12089(Top 80%)12089(Top 537%)
15K9.32 mi3.11 mi19956+42612225+16512225+16519117(Top 72%)11927(Top 79%)11927(Top 530%)
20K12.43 mi3.11 mi19610+34612097+12812097+12818764(Top 70%)11798(Top 78%)11798(Top 524%)
Half13.11 mi0.68 mi19544+6612071+2612071+2618163(Top 68%)11569(Top 76%)11569(Top 514%)
25K15.53 mi2.42 mi19616-7212101-3012101-3019930(Top 75%)12258(Top 81%)12258(Top 544%)
30K18.64 mi3.11 mi19373+24311994+10711994+10718280(Top 69%)11455(Top 75%)11455(Top 509%)
20M20.00 mi1.36 mi19316+5711956+3811956+3818782(Top 71%)11582(Top 76%)11582(Top 514%)
21M21.00 mi1.00 mi19232+8411909+4711909+4718199(Top 68%)11309(Top 75%)11309(Top 502%)
35K21.75 mi0.75 mi19254-2211916-711916-719524(Top 73%)11830(Top 78%)11830(Top 525%)
23M23.00 mi1.25 mi19255-111910+611910+619221(Top 72%)11662(Top 77%)11662(Top 518%)
24M24.00 mi1.00 mi19298-4311920-1011920-1019761(Top 74%)11895(Top 78%)11895(Top 528%)
40K24.85 mi0.85 mi19329-3111922-211922-219631(Top 74%)11758(Top 77%)11758(Top 522%)
25.2M25.20 mi0.35 mi19334-511921+111921+118882(Top 71%)11417(Top 75%)11417(Top 507%)
Finish26.22 mi1.02 mi19423-8911946-2511946-2520771(Top 78%)12300(Top 81%)12300(Top 546%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21stories
+97ft-345ft

Overall

19117

Males

11927

M45-49

11927

5K→10K

3.1 - 6.2 mi

Top 73%
×5stories
+79ft-138ft

Overall

19489

Males

12089

M45-49

12089

10K→15K

6.2 - 9.3 mi

Top 72%
×3stories
+67ft-78ft

Overall

19117

Males

11927

M45-49

11927

15K→20K

9.3 - 12.4 mi

Top 70%
×5stories
+106ft-86ft

Overall

18764

Males

11798

M45-49

11798

20K→Half

12.4 - 13.1 mi

Top 68%
×2stories
+19ft-37ft

Overall

18163

Males

11569

M45-49

11569

Half→25K

13.1 - 15.5 mi

Top 75%
×4stories
+66ft-88ft

Overall

19930

Males

12258

M45-49

12258

25K→30K

15.5 - 18.6 mi

Top 69%
×9stories
+181ft-148ft

Overall

18280

Males

11455

M45-49

11455

30K→20M

18.6 - 20.0 mi

Top 71%
×5stories
+64ft-50ft

Overall

18782

Males

11582

M45-49

11582

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18199

Males

11309

M45-49

11309

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

19524

Males

11830

M45-49

11830

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19221

Males

11662

M45-49

11662

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19761

Males

11895

M45-49

11895

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19631

Males

11758

M45-49

11758

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

18882

Males

11417

M45-49

11417

25.2M→Finish

25.2 - 26.2 mi

Top 78%
×2stories
+22ft-21ft

Overall

20771

Males

12300

M45-49

12300

Passing Analysis

Category:
Athletes Passed
2573
Passed By
915
Net Change
+1658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21081
5K → 10K78586+699#21081#20382
10K → 15K47650+426#20382#19956
15K → 20K38438+346#19956#19610
20K → Half726+66#19610#19544
Half → 25K97169-72#19544#19616
25K → 30K29047+243#19616#19373
30K → 20M11457+57#19373#19316
20M → 21M12238+84#19316#19232
21M → 35K3153-22#19232#19254
35K → 23M7273-1#19254#19255
23M → 24M4588-43#19255#19298
24M → 40K3970-31#19298#19329
40K → 25.2M2227-5#19329#19334
25.2M → Finish24113-89#19334#19423
TOTALS2573915+1658
📊

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