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BOSTON MARATHON 2023

Julio Becerra

Bib: 13946 M CO

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 41%
Gender (Male)
#0 / 15176
Masters (Masters Men)
#0 / 9891
Top 45%
Division (M50-54)
#0 / 2052
Top 46%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:41/mi
23:52
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:20/mi
46:38
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:07/mi
1:08:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:14/mi
1:31:14
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:02/mi
1:36:02
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:09/mi
1:55:47
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:37/mi
2:19:28
↑ 181↓ 1480.2%
138 ft elev
20M
7:46/mi
2:30:01
↑ 64↓ 500.2%
148 ft elev
21M
8:54/mi
2:38:55
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:23/mi
2:45:11
↑ 17↓ 861.7%
156 ft elev
23M
8:14/mi
2:55:30
↑ 23↓ 630.6%
116 ft elev
24M
7:57/mi
3:03:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:37/mi
3:10:49
↓ 200.3%
20 ft elev
25.2M
13:00/mi
3:15:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
10:04/mi
3:25:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:36:027:20 /mi⚡ faster
2nd Half
1:49:318:21 /mi+14.0%
Positive split — 14.0% slower in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
23:527:413.11 mi23:52
7:41
-
10K
46:387:303.10 mi22:46
7:20
-0:21
15K
1:08:457:233.11 mi22:07
7:07
-0:13
20K
1:31:147:203.11 mi22:29
7:14
+0:07
Half(13.11 mi)
1:36:027:200.68 mi4:48
7:02
-0:12
25K
1:55:477:272.42 mi19:45
8:09
+1:07
30K
2:19:287:293.11 mi23:41
7:37
-0:32
20M
2:30:017:301.36 mi10:33
7:46
+0:09
21M
2:38:557:341.00 mi8:54
8:54
+1:08
35K
2:45:117:360.75 mi6:16
8:23
-0:31
23M
2:55:307:381.25 mi10:19
8:14
-0:09
24M
3:03:277:391.00 mi7:57
7:57
-0:17
40K
3:10:497:410.85 mi7:22
8:37
+0:40
25.2M
3:15:187:450.35 mi4:29
13:00
+4:23
Finish(26.22 mi)
3:25:337:511.02 mi10:15
10:04
-2:56
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:02 /mi

Average Pace

7:51 /mi

Slowest Pace

13:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

26:55

13% of race

Time at Steady Pace

2:35:00

75% of race

Time at Slower Pace

23:38

11% of race

Average Pace: 7:50 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi1128287898789726564366436
10K3.10 mi10074+12088190+5998190+599906276197619
15K3.11 mi9018+10567576+6147576+614726564366436
20K3.11 mi8561+4577287+2897287+289734164576457
Half(13.11 mi)0.68 mi8445+1167216+717216+71678860956095
25K2.42 mi9259-8147699-4837699-4831382596939693
30K3.11 mi9027+2327518+1817518+181811867606760
20M1.36 mi8957+707462+567462+56858769546954
21M1.00 mi9157-2007544-827544-821281689448944
35K0.75 mi9361-2047654-1107654-1101452696449644
23M1.25 mi9447-867691-377691-371144981968196
24M1.00 mi9516-697703-127703-121086178347834
40K0.85 mi9647-1317751-487751-481401492369236
25.2M0.35 mi10122-4757986-2357986-235239371375413754
Finish(26.22 mi)1.02 mi10843-7218311-3258311-325219011281012810

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7265

Males

6436

M50-54

6436

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9062

Males

7619

M50-54

7619

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7265

Males

6436

M50-54

6436

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7341

Males

6457

M50-54

6457

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

6788

Males

6095

M50-54

6095

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13825

Males

9693

M50-54

9693

25K→30K

15.5 - 18.6 mi

Top 30%
×9story building
+181ft-148ft

Overall

8118

Males

6760

M50-54

6760

30K→20M

18.6 - 20.0 mi

Top 32%
×5story building
+64ft-50ft

Overall

8587

Males

6954

M50-54

6954

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12816

Males

8944

M50-54

8944

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14526

Males

9644

M50-54

9644

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11449

Males

8196

M50-54

8196

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10861

Males

7834

M50-54

7834

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14014

Males

9236

M50-54

9236

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

23937

Males

13754

M50-54

13754

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2story building
+22ft-21ft

Overall

21901

Males

12810

M50-54

12810

Passing Analysis

Category:
Passed
3476*
Passed By
3036
Net Change
+439
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11282
5K → 10K1233*25+1208#11282#10074
10K → 15K1060*4+1056#10074#9018
15K → 20K4636+457#9018#8561
20K → Half1182+116#8561#8445
Half → 25K9823-814#8445#9259
25K → 30K28654+232#9259#9027
30K → 20M12151+70#9027#8957
20M → 21M35235-200#8957#9157
21M → 35K13217-204#9157#9361
35K → 23M58144-86#9361#9447
23M → 24M47116-69#9447#9516
24M → 40K26*157-131#9516#9647
40K → 25.2M2476-475#9647#10122
25.2M → Finish5726-721#10122#10843
TOTALS3476*3036+439

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Charts

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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