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BOSTON MARATHON 2023

Carlos Lopez

FL

Bib: 7081 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 20%
Gender (Male)
#0 / 15176
Top 32%
Masters (Masters Men)
#0 / 9891
Top 18%
Division (M45-49)
#0 / 2252
Top 21%
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
5K· 3.11 mi
7:00/mi
21:46
↑ 97↓ 345
10K· 6.21 mi
6:46/mi
42:48
↑ 79↓ 138
15K· 9.32 mi
7:00/mi
1:04:32
↑ 67↓ 78
20K· 12.43 mi
7:01/mi
1:26:21
↑ 106↓ 86
Half· 13.11 mi
6:47/mi
1:30:59
↑ 19↓ 37
25K· 15.53 mi
7:01/mi
1:47:59
↑ 66↓ 88
30K· 18.64 mi
7:01/mi
2:09:47
↑ 181↓ 148
20M
6:47/mi
2:19:00
↑ 64↓ 50
21M
7:12/mi
2:26:12
↑ 106↓ 24
35K· 21.75 mi
6:50/mi
2:31:19
↑ 17↓ 86
23M
7:11/mi
2:40:19
↑ 23↓ 63
24M
7:20/mi
2:47:39
↓ 82
40K· 24.85 mi
7:50/mi
2:54:21
↓ 20
25.2M
8:51/mi
2:57:24
↑ 13↓ 16
Finish· 26.22 mi
7:45/mi
3:05:18
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:30:596:56 /mi⚡ faster
2nd Half
1:34:197:12 /mi+3.7%
Positive split — 3.7% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:467:003.11 mi21:46
7:00
-
10K
42:486:533.10 mi21:02
6:46
-0:14
15K
1:04:326:553.11 mi21:44
7:00
+0:14
20K
1:26:216:573.11 mi21:49
7:01
+0:01
Half(13.11 mi)
1:30:596:560.68 mi4:38
6:47
-0:14
25K
1:47:596:572.42 mi17:00
7:01
+0:14
30K
2:09:476:583.11 mi21:48
7:01
0:00
20M
2:19:006:571.36 mi9:13
6:47
-0:14
21M
2:26:126:581.00 mi7:12
7:12
+0:25
35K
2:31:196:570.75 mi5:07
6:50
-0:22
23M
2:40:196:581.25 mi9:00
7:11
+0:21
24M
2:47:396:591.00 mi7:20
7:20
+0:09
40K
2:54:217:010.85 mi6:42
7:50
+0:30
25.2M
2:57:247:020.35 mi3:03
8:51
+1:01
Finish(26.22 mi)
3:05:187:041.02 mi7:54
7:45
-1:06
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:46 /mi

Average Pace

7:04 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:40:19

87% of race

Time at Slower Pace

24:59

13% of race

Average Pace: 7:04 /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. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi627457155715651558695869
10K3.10 mi5728+5465262+4535262+453499346254625
15K3.11 mi6024-2965499-2375499-237651558695869
20K3.11 mi6035-115505-65505-6610355485548
Half(13.11 mi)0.68 mi5992+435468+375468+37519248024802
25K2.42 mi5913+795412+565412+56563751695169
30K3.11 mi5596+3175142+2705142+270447241494149
20M1.36 mi5352+2444935+2074935+207273725912591
21M1.00 mi5171+1814774+1614774+161313129352935
35K0.75 mi5113+584716+584716+58446640844084
23M1.25 mi5053+604653+634653+63473442634263
24M1.00 mi5066-134659-64659-6657154615461
40K0.85 mi5143-774723-644723-64886167236723
25.2M0.35 mi5197-544761-384761-381146779817981
Finish(26.22 mi)1.02 mi5319-1224858-974858-971027274177417

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6515

Males

5869

M45-49

5869

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

4993

Males

4625

M45-49

4625

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6515

Males

5869

M45-49

5869

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6103

Males

5548

M45-49

5548

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5192

Males

4802

M45-49

4802

Half→25K

13.1 - 15.5 mi

Top 21%
×4story building
+66ft-88ft

Overall

5637

Males

5169

M45-49

5169

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4472

Males

4149

M45-49

4149

30K→20M

18.6 - 20.0 mi

Top 10%
×5story building
+64ft-50ft

Overall

2737

Males

2591

M45-49

2591

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3131

Males

2935

M45-49

2935

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4466

Males

4084

M45-49

4084

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

4734

Males

4263

M45-49

4263

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6571

Males

5461

M45-49

5461

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8861

Males

6723

M45-49

6723

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11467

Males

7981

M45-49

7981

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10272

Males

7417

M45-49

7417

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#6274
5K → 10K
31577+546
#6274 → #5728
10K → 15K
32933-296
#5728 → #6024
15K → 20K
10998-11
#6024 → #6035
20K → Half
447+43
#6035 → #5992
Half → 25K
38117+79
#5992 → #5913
25K → 30K
9326+317
#5913 → #5596
30K → 20M
0244+244
#5596 → #5352
20M → 21M
3184+181
#5352 → #5171
21M → 35K
1068+58
#5171 → #5113
35K → 23M
3393+60
#5113 → #5053
23M → 24M
5744-13
#5053 → #5066
24M → 40K
10023-77
#5066 → #5143
40K → 25.2M
628-54
#5143 → #5197
25.2M → Finish
14018-122
#5197 → #5319
TOTALS
9251880+955
#6274 → #5319

Passing Visualized

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