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BOSTON MARATHON 2023

Erico Duarte

Bib: 12026•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 38%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 42%
Division (M45-49)
#0 / 2252
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
7:27/mi
23:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:07
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:09:03
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:32:11
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:37:14
↑ 19↓ 370.5%
25K· 15.53 mi
7:31/mi
1:55:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:47/mi
2:19:39
↑ 181↓ 1480.2%
20M
7:54/mi
2:30:23
↑ 64↓ 500.2%
21M
8:31/mi
2:38:54
↑ 106↓ 241.6%
35K· 21.75 mi
7:45/mi
2:44:42
↑ 17↓ 861.7%
23M
8:10/mi
2:54:56
↑ 23↓ 630.6%
24M
8:00/mi
3:02:56
↓ 821.3%
40K· 24.85 mi
8:19/mi
3:10:03
↓ 200.3%
25.2M
10:00/mi
3:13:30
↑ 13↓ 160.2%
Finish· 26.22 mi
9:39/mi
3:23:20
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:14
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:46:06
Pace8:06 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3723:097:2723:09
7:27
-
10K
6.21 mi11:13:3546:077:2522:58
7:24
-0:03
15K
9.32 mi11:36:311:09:037:2522:56
7:23
-0:01
20K
12.43 mi11:59:391:32:117:2523:08
7:27
+0:04
Half
13.11 mi12:04:421:37:147:255:03
7:24
-0:03
25K
15.53 mi12:22:561:55:287:2618:14
7:31
+0:07
30K
18.64 mi12:47:072:19:397:2924:11
7:47
+0:16
20M
20.00 mi12:57:512:30:237:3110:44
7:54
+0:07
21M
21.00 mi13:06:222:38:547:348:31
8:31
+0:37
35K
21.75 mi13:12:102:44:427:345:48
7:45
-0:46
23M
23.00 mi13:22:242:54:567:3610:14
8:10
+0:25
24M
24.00 mi13:30:243:02:567:378:00
8:00
-0:10
40K
24.85 mi13:37:313:10:037:397:07
8:19
+0:19
25.2M
25.20 mi13:40:583:13:307:413:27
10:00
+1:41
Finish
26.22 mi13:50:483:23:207:469:50
9:39
-0:21

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

7:23 /mi

Average Pace

7:46 /mi

Slowest Pace

10:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

22:56

11% of race

Time at Steady Pace

2:31:29

75% of race

Time at Slower Pace

28:55

14% of race

Average Pace: 7:45 /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 mi10:50:3723:097:2723:09
7:27
#9224
10K
6.21 mi11:13:3546:077:2522:58
7:24
#9350
15K
9.32 mi11:36:311:09:037:2522:56
7:23
#9247
20K
12.43 mi11:59:391:32:117:2523:08
7:27
#9126
Half
13.11 mi12:04:421:37:147:255:03
7:24
#9139
25K
15.53 mi12:22:561:55:287:2618:14
7:31
#9090
30K
18.64 mi12:47:072:19:397:2924:11
7:47
#9093
20M
20.00 mi12:57:512:30:237:3110:44
7:54
#9092
21M
21.00 mi13:06:222:38:547:348:31
8:31
#9148
35K
21.75 mi13:12:102:44:427:345:48
7:45
#9182
23M
23.00 mi13:22:242:54:567:3610:14
8:10
#9260
24M
24.00 mi13:30:243:02:567:378:00
8:00
#9314
40K
24.85 mi13:37:313:10:037:397:07
8:19
#9431
25.2M
25.20 mi13:40:583:13:307:413:27
10:00
#9542
Finish
26.22 mi13:50:483:23:207:469:50
9:39
#10147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9224772277229183(Top 34%)7657(Top 50%)7657(Top 340%)
10K6.21 mi3.10 mi9350-1267791-697791-699546(Top 36%)7896(Top 52%)7896(Top 351%)
15K9.32 mi3.11 mi9247+1037716+757716+759183(Top 34%)7657(Top 50%)7657(Top 340%)
20K12.43 mi3.11 mi9126+1217628+887628+888878(Top 33%)7431(Top 49%)7431(Top 330%)
Half13.11 mi0.68 mi9139-137636-87636-89429(Top 35%)7779(Top 51%)7779(Top 345%)
25K15.53 mi2.42 mi9090+497604+327604+328921(Top 34%)7386(Top 49%)7386(Top 328%)
30K18.64 mi3.11 mi9093-37563+417563+419230(Top 35%)7413(Top 49%)7413(Top 329%)
20M20.00 mi1.36 mi9092+17536+277536+279548(Top 36%)7501(Top 49%)7501(Top 333%)
21M21.00 mi1.00 mi9148-567538-27538-210553(Top 40%)7886(Top 52%)7886(Top 350%)
35K21.75 mi0.75 mi9182-347549-117549-1110270(Top 39%)7763(Top 51%)7763(Top 345%)
23M23.00 mi1.25 mi9260-787566-177566-1710963(Top 41%)7944(Top 52%)7944(Top 353%)
24M24.00 mi1.00 mi9314-547584-187584-1811212(Top 42%)7996(Top 53%)7996(Top 355%)
40K24.85 mi0.85 mi9431-1177615-317615-3112171(Top 46%)8381(Top 55%)8381(Top 372%)
25.2M25.20 mi0.35 mi9542-1117674-597674-5917312(Top 65%)10665(Top 70%)10665(Top 474%)
Finish26.22 mi1.02 mi10147-6057966-2927966-29220610(Top 77%)12229(Top 81%)12229(Top 543%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9183

Males

7657

M45-49

7657

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9546

Males

7896

M45-49

7896

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9183

Males

7657

M45-49

7657

15K→20K

9.3 - 12.4 mi

Top 33%
×5story building
+106ft-86ft

Overall

8878

Males

7431

M45-49

7431

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

9429

Males

7779

M45-49

7779

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

8921

Males

7386

M45-49

7386

25K→30K

15.5 - 18.6 mi

Top 35%
×9story building
+181ft-148ft

Overall

9230

Males

7413

M45-49

7413

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9548

Males

7501

M45-49

7501

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10553

Males

7886

M45-49

7886

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10270

Males

7763

M45-49

7763

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10963

Males

7944

M45-49

7944

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11212

Males

7996

M45-49

7996

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12171

Males

8381

M45-49

8381

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

17312

Males

10665

M45-49

10665

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20610

Males

12229

M45-49

12229

Passing Analysis

Category:
Athletes Passed
1275
Passed By
2196
Net Change
-923
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9224
5K → 10K214340-126#9224#9350
10K → 15K205102+103#9350#9247
15K → 20K19675+121#9247#9126
20K → Half1932-13#9126#9139
Half → 25K14091+49#9139#9090
25K → 30K168171-3#9090#9093
30K → 20M8786+1#9093#9092
20M → 21M66122-56#9092#9148
21M → 35K2660-34#9148#9182
35K → 23M54132-78#9182#9260
23M → 24M48102-54#9260#9314
24M → 40K41158-117#9314#9431
40K → 25.2M7118-111#9431#9542
25.2M → Finish4607-605#9542#10147
TOTALS12752196-923
📊

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