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BOSTON MARATHON 2023

Carlos Azofeifa

Bib: 6751•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 16%
Gender (Male)
#0 / 15176
Top 27%
Masters (Masters Men)
#0 / 9891
Top 13%
Division (M40-44)
#0 / 2241
Top 32%
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
6:48/mi
21:09
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
42:06
↑ 79↓ 1380.4%
15K· 9.32 mi
6:48/mi
1:03:15
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:24:36
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:29:16
↑ 19↓ 370.5%
25K· 15.53 mi
6:52/mi
1:45:56
↑ 66↓ 880.2%
30K· 18.64 mi
7:03/mi
2:07:51
↑ 181↓ 1480.2%
20M
7:14/mi
2:17:40
↑ 64↓ 500.2%
21M
7:14/mi
2:24:54
↑ 106↓ 241.6%
35K· 21.75 mi
6:34/mi
2:29:49
↑ 17↓ 861.7%
23M
7:03/mi
2:38:38
↑ 23↓ 630.6%
24M
6:51/mi
2:45:29
↓ 821.3%
40K· 24.85 mi
6:52/mi
2:51:21
↓ 200.3%
25.2M
7:27/mi
2:53:55
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:00:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:16
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:31:21
Pace6:58 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3521:096:4821:09
6:48
-
10K
6.21 mi10:45:3242:066:4720:57
6:45
-0:03
15K
9.32 mi11:06:411:03:156:4721:09
6:48
+0:03
20K
12.43 mi11:28:021:24:366:4821:21
6:52
+0:04
Half
13.11 mi11:32:421:29:166:494:40
6:50
-0:02
25K
15.53 mi11:49:221:45:566:4916:40
6:52
+0:02
30K
18.64 mi12:11:172:07:516:5221:55
7:03
+0:11
20M
20.00 mi12:21:062:17:406:539:49
7:14
+0:11
21M
21.00 mi12:28:202:24:546:547:14
7:14
0:00
35K
21.75 mi12:33:152:29:496:534:55
6:34
-0:40
23M
23.00 mi12:42:042:38:386:548:49
7:03
+0:29
24M
24.00 mi12:48:552:45:296:546:51
6:51
-0:12
40K
24.85 mi12:54:472:51:216:545:52
6:52
+0:01
25.2M
25.20 mi12:57:212:53:556:542:34
7:27
+0:35
Finish
26.22 mi13:04:033:00:376:546:42
6:34
-0:53

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

6:34 /mi

Average Pace

6:54 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:41:00

89% of race

Time at Steady Pace

19:37

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:24:3521:096:4821:09
6:48
#4745
10K
6.21 mi10:45:3242:066:4720:57
6:45
#4743
15K
9.32 mi11:06:411:03:156:4721:09
6:48
#4856
20K
12.43 mi11:28:021:24:366:4821:21
6:52
#4916
Half
13.11 mi11:32:421:29:166:494:40
6:50
#4946
25K
15.53 mi11:49:221:45:566:4916:40
6:52
#4883
30K
18.64 mi12:11:172:07:516:5221:55
7:03
#4821
20M
20.00 mi12:21:062:17:406:539:49
7:14
#4848
21M
21.00 mi12:28:202:24:546:547:14
7:14
#4731
35K
21.75 mi12:33:152:29:496:534:55
6:34
#4642
23M
23.00 mi12:42:042:38:386:548:49
7:03
#4569
24M
24.00 mi12:48:552:45:296:546:51
6:51
#4523
40K
24.85 mi12:54:472:51:216:545:52
6:52
#4443
25.2M
25.20 mi12:57:212:53:556:542:34
7:27
#4415
Finish
26.22 mi13:04:033:00:376:546:42
6:34
#4332
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4745441544155187(Top 19%)4795(Top 32%)4795(Top 214%)
10K6.21 mi3.10 mi4743+24419-44419-44754(Top 18%)4418(Top 29%)4418(Top 197%)
15K9.32 mi3.11 mi4856-1134518-994518-995187(Top 19%)4795(Top 32%)4795(Top 214%)
20K12.43 mi3.11 mi4916-604577-594577-595109(Top 19%)4724(Top 31%)4724(Top 211%)
Half13.11 mi0.68 mi4946-304601-244601-245520(Top 21%)5080(Top 33%)5080(Top 227%)
25K15.53 mi2.42 mi4883+634539+624539+624757(Top 18%)4414(Top 29%)4414(Top 197%)
30K18.64 mi3.11 mi4821+624485+544485+544678(Top 18%)4319(Top 28%)4319(Top 193%)
20M20.00 mi1.36 mi4848-274505-204505-205269(Top 20%)4744(Top 31%)4744(Top 212%)
21M21.00 mi1.00 mi4731+1174405+1004405+1003243(Top 12%)3023(Top 20%)3023(Top 135%)
35K21.75 mi0.75 mi4642+894322+834322+832875(Top 11%)2702(Top 18%)2702(Top 121%)
23M23.00 mi1.25 mi4569+734255+674255+673993(Top 15%)3674(Top 24%)3674(Top 164%)
24M24.00 mi1.00 mi4523+464216+394216+393940(Top 15%)3599(Top 24%)3599(Top 161%)
40K24.85 mi0.85 mi4443+804145+714145+713130(Top 12%)2874(Top 19%)2874(Top 128%)
25.2M25.20 mi0.35 mi4415+284118+274118+273641(Top 14%)3269(Top 22%)3269(Top 146%)
Finish26.22 mi1.02 mi4332+834041+774041+772867(Top 11%)2604(Top 17%)2604(Top 116%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5187

Males

4795

M40-44

4795

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

4754

Males

4418

M40-44

4418

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5187

Males

4795

M40-44

4795

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5109

Males

4724

M40-44

4724

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5520

Males

5080

M40-44

5080

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

4757

Males

4414

M40-44

4414

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

4678

Males

4319

M40-44

4319

30K→20M

18.6 - 20.0 mi

Top 20%
×5story building
+64ft-50ft

Overall

5269

Males

4744

M40-44

4744

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3243

Males

3023

M40-44

3023

21M→35K

21.0 - 21.8 mi

Top 11%
×7story building
+17ft-86ft

Overall

2875

Males

2702

M40-44

2702

35K→23M

21.8 - 23.0 mi

Top 15%
×5story building
+23ft-63ft

Overall

3993

Males

3674

M40-44

3674

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

3940

Males

3599

M40-44

3599

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3130

Males

2874

M40-44

2874

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3641

Males

3269

M40-44

3269

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

2867

Males

2604

M40-44

2604

Passing Analysis

Category:
Athletes Passed
1322
Passed By
909
Net Change
+413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4745
5K → 10K205203+2#4745#4743
10K → 15K71184-113#4743#4856
15K → 20K81141-60#4856#4916
20K → Half939-30#4916#4946
Half → 25K13067+63#4946#4883
25K → 30K168106+62#4883#4821
30K → 20M5380-27#4821#4848
20M → 21M1269+117#4848#4731
21M → 35K923+89#4731#4642
35K → 23M10128+73#4642#4569
23M → 24M6923+46#4569#4523
24M → 40K899+80#4523#4443
40K → 25.2M313+28#4443#4415
25.2M → Finish9714+83#4415#4332
TOTALS1322909+413
📊

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