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BOSTON MARATHON 2023

Sergio Lara

Bib: 13447•M

CA

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

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
7:55/mi
24:37
↑ 97↓ 3451.5%
10K· 6.21 mi
8:10/mi
49:58
↑ 79↓ 1380.4%
15K· 9.32 mi
8:38/mi
1:16:46
↑ 67↓ 78
20K· 12.43 mi
9:09/mi
1:45:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:51:10
↑ 19↓ 370.5%
25K· 15.53 mi
9:16/mi
2:13:37
↑ 66↓ 880.2%
30K· 18.64 mi
9:34/mi
2:43:19
↑ 181↓ 1480.2%
20M
8:51/mi
2:55:21
↑ 64↓ 500.2%
21M
10:20/mi
3:05:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:43/mi
3:12:12
↑ 17↓ 861.7%
23M
8:36/mi
3:22:58
↑ 23↓ 630.6%
24M
8:32/mi
3:31:30
↓ 821.3%
40K· 24.85 mi
8:45/mi
3:38:59
↓ 200.3%
25.2M
9:05/mi
3:42:07
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
3:50:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:10
Pace8:29 /mi
2nd Half
Distance13.11 mi
Time1:59:34
Pace9:07 /mi
📊Positive Split: 7.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:4224:377:5524:37
7:55
-
10K
6.21 mi11:18:0349:588:0225:21
8:10
+0:15
15K
9.32 mi11:44:511:16:468:1426:48
8:38
+0:28
20K
12.43 mi12:13:171:45:128:2828:26
9:09
+0:31
Half
13.11 mi12:19:151:51:108:295:58
8:45
-0:24
25K
15.53 mi12:41:422:13:378:3622:27
9:16
+0:31
30K
18.64 mi13:11:242:43:198:4629:42
9:34
+0:18
20M
20.00 mi13:23:262:55:218:4612:02
8:51
-0:43
21M
21.00 mi13:33:463:05:418:5110:20
10:20
+1:29
35K
21.75 mi13:40:173:12:128:506:31
8:43
-1:37
23M
23.00 mi13:51:033:22:588:4910:46
8:36
-0:07
24M
24.00 mi13:59:353:31:308:498:32
8:32
-0:04
40K
24.85 mi14:07:043:38:598:497:29
8:45
+0:13
25.2M
25.20 mi14:10:123:42:078:493:08
9:05
+0:20
Finish
26.22 mi14:18:493:50:448:488:37
8:27
-0:38

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

7:55 /mi

Average Pace

8:48 /mi

Slowest Pace

10:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

58:35

25% of race

Time at Steady Pace

1:18:06

34% of race

Time at Slower Pace

1:34:03

41% of race

Average Pace: 8:48 /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 mi10:52:4224:377:5524:37
7:55
#13451
10K
6.21 mi11:18:0349:588:0225:21
8:10
#14676
15K
9.32 mi11:44:511:16:468:1426:48
8:38
#16086
20K
12.43 mi12:13:171:45:128:2828:26
9:09
#17349
Half
13.11 mi12:19:151:51:108:295:58
8:45
#17422
25K
15.53 mi12:41:422:13:378:3622:27
9:16
#17961
30K
18.64 mi13:11:242:43:198:4629:42
9:34
#18338
20M
20.00 mi13:23:262:55:218:4612:02
8:51
#18141
21M
21.00 mi13:33:463:05:418:5110:20
10:20
#18238
35K
21.75 mi13:40:173:12:128:506:31
8:43
#18152
23M
23.00 mi13:51:033:22:588:4910:46
8:36
#17910
24M
24.00 mi13:59:353:31:308:498:32
8:32
#17778
40K
24.85 mi14:07:043:38:598:497:29
8:45
#17677
25.2M
25.20 mi14:10:123:42:078:493:08
9:05
#17604
Finish
26.22 mi14:18:493:50:448:488:37
8:27
#17508
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi134519749974918588(Top 70%)11713(Top 77%)11713(Top 520%)
10K6.21 mi3.10 mi14676-122510208-45910208-45915975(Top 60%)10695(Top 70%)10695(Top 475%)
15K9.32 mi3.11 mi16086-141010731-52310731-52318588(Top 70%)11713(Top 77%)11713(Top 520%)
20K12.43 mi3.11 mi17349-126311198-46711198-46720361(Top 76%)12460(Top 82%)12460(Top 553%)
Half13.11 mi0.68 mi17422-7311231-3311231-3319144(Top 72%)11941(Top 79%)11941(Top 530%)
25K15.53 mi2.42 mi17961-53911424-19311424-19320043(Top 75%)12302(Top 81%)12302(Top 546%)
30K18.64 mi3.11 mi18338-37711552-12811552-12819650(Top 74%)12065(Top 80%)12065(Top 536%)
20M20.00 mi1.36 mi18141+19711457+9511457+9515744(Top 59%)10315(Top 68%)10315(Top 458%)
21M21.00 mi1.00 mi18238-9711476-1911476-1919098(Top 72%)11681(Top 77%)11681(Top 519%)
35K21.75 mi0.75 mi18152+8611437+3911437+3916447(Top 62%)10464(Top 69%)10464(Top 465%)
23M23.00 mi1.25 mi17910+24211324+11311324+11313781(Top 52%)9275(Top 61%)9275(Top 412%)
24M24.00 mi1.00 mi17778+13211261+6311261+6314676(Top 55%)9609(Top 63%)9609(Top 427%)
40K24.85 mi0.85 mi17677+10111209+5211209+5214810(Top 56%)9609(Top 63%)9609(Top 427%)
25.2M25.20 mi0.35 mi17604+7311169+4011169+4012996(Top 49%)8776(Top 58%)8776(Top 390%)
Finish26.22 mi1.02 mi17508+9611118+5111118+5115113(Top 57%)9787(Top 64%)9787(Top 435%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 70%
×21story building
+97ft-345ft

Overall

18588

Males

11713

M45-49

11713

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15975

Males

10695

M45-49

10695

10K→15K

6.2 - 9.3 mi

Top 70%
×3story building
+67ft-78ft

Overall

18588

Males

11713

M45-49

11713

15K→20K

9.3 - 12.4 mi

Top 76%
×5story building
+106ft-86ft

Overall

20361

Males

12460

M45-49

12460

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

19144

Males

11941

M45-49

11941

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

20043

Males

12302

M45-49

12302

25K→30K

15.5 - 18.6 mi

Top 74%
×9story building
+181ft-148ft

Overall

19650

Males

12065

M45-49

12065

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15744

Males

10315

M45-49

10315

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19098

Males

11681

M45-49

11681

21M→35K

21.0 - 21.8 mi

Top 62%
×7story building
+17ft-86ft

Overall

16447

Males

10464

M45-49

10464

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13781

Males

9275

M45-49

9275

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14676

Males

9609

M45-49

9609

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14810

Males

9609

M45-49

9609

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12996

Males

8776

M45-49

8776

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15113

Males

9787

M45-49

9787

Passing Analysis

Category:
Athletes Passed
1244
Passed By
5301
Net Change
-4057
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13451
5K → 10K311256-1225#13451#14676
10K → 15K151425-1410#14676#16086
15K → 20K181281-1263#16086#17349
20K → Half1083-73#17349#17422
Half → 25K29568-539#17422#17961
25K → 30K82459-377#17961#18338
30K → 20M2069+197#18338#18141
20M → 21M62159-97#18141#18238
21M → 35K9913+86#18238#18152
35K → 23M2464+242#18152#17910
23M → 24M1419+132#17910#17778
24M → 40K11413+101#17778#17677
40K → 25.2M774+73#17677#17604
25.2M → Finish11418+96#17604#17508
TOTALS12445301-4057
📊

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