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BOSTON MARATHON 2023

Cesar Lira

Bib: 926•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 2%
Gender (Male)
#0 / 15176
Top 3%
Masters (Masters Men)
#0 / 9891
Top 0.6%
Division (M40-44)
#0 / 2241
Top 2%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:35
Rank: #653
Start → 5K
18:35 | 5:59/mi
10K· 6.21 mi
37:05
Rank: #663 (-10)
5K → 10K
18:30 | 5:57/mi
15K· 9.32 mi
55:54
Rank: #713 (-50)
10K → 15K
18:49 | 6:03/mi
20K· 12.43 mi
1:14:45
Rank: #689 (+24)
15K → 20K
18:51 | 6:04/mi
Half· 13.11 mi
1:18:52
Rank: #692 (-3)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:33:33
Rank: #688 (+4)
Half → 25K
14:41 | 6:03/mi
30K· 18.64 mi
1:52:21
Rank: #627 (+61)
25K → 30K
18:48 | 6:03/mi
20M
2:00:43
Rank: #614 (+13)
30K → 20M
8:22 | 6:09/mi
21M
2:07:07
Rank: #598 (+16)
20M → 21M
6:24 | 6:24/mi
35K· 21.75 mi
2:11:27
Rank: #582 (+16)
21M → 35K
4:20 | 5:48/mi
23M
2:19:07
Rank: #567 (+15)
35K → 23M
7:40 | 6:07/mi
24M
2:25:07
Rank: #559 (+8)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:30:14
Rank: #545 (+14)
24M → 40K
5:07 | 5:59/mi
25.2M
2:32:27
Rank: #539 (+6)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:38:28
Rank: #529 (+10)
25.2M → Finish
6:01 | 5:54/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:18:52
Pace6:01 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:36
Pace6:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5018:355:5918:35
5:59
-
10K
6.21 mi10:37:2037:055:5818:30
5:57
-0:02
15K
9.32 mi10:56:0955:546:0018:49
6:03
+0:06
20K
12.43 mi11:15:001:14:456:0118:51
6:04
+0:01
Half
13.11 mi11:19:071:18:526:014:07
6:02
-0:02
25K
15.53 mi11:33:481:33:336:0114:41
6:03
+0:01
30K
18.64 mi11:52:361:52:216:0218:48
6:03
0:00
20M
20.00 mi12:00:582:00:436:028:22
6:09
+0:06
21M
21.00 mi12:07:222:07:076:036:24
6:24
+0:15
35K
21.75 mi12:11:422:11:276:034:20
5:48
-0:36
23M
23.00 mi12:19:222:19:076:037:40
6:07
+0:19
24M
24.00 mi12:25:222:25:076:036:00
6:00
-0:07
40K
24.85 mi12:30:292:30:146:035:07
5:59
-0:01
25.2M
25.20 mi12:32:422:32:276:032:13
6:26
+0:27
Finish
26.22 mi12:38:432:38:286:036:01
5:54
-0:32

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

5:48 /mi

Average Pace

6:03 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:29:51

95% of race

Time at Steady Pace

8:37

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:03 /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 mi10:18:5018:355:5918:35
5:59
#653
10K
6.21 mi10:37:2037:055:5818:30
5:57
#663
15K
9.32 mi10:56:0955:546:0018:49
6:03
#713
20K
12.43 mi11:15:001:14:456:0118:51
6:04
#689
Half
13.11 mi11:19:071:18:526:014:07
6:02
#692
25K
15.53 mi11:33:481:33:336:0114:41
6:03
#688
30K
18.64 mi11:52:361:52:216:0218:48
6:03
#627
20M
20.00 mi12:00:582:00:436:028:22
6:09
#614
21M
21.00 mi12:07:222:07:076:036:24
6:24
#598
35K
21.75 mi12:11:422:11:276:034:20
5:48
#582
23M
23.00 mi12:19:222:19:076:037:40
6:07
#567
24M
24.00 mi12:25:222:25:076:036:00
6:00
#559
40K
24.85 mi12:30:292:30:146:035:07
5:59
#545
25.2M
25.20 mi12:32:422:32:276:032:13
6:26
#539
Finish
26.22 mi12:38:432:38:286:036:01
5:54
#529
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi653609609831(Top 3%)785(Top 5%)785(Top 35%)
10K6.21 mi3.10 mi663-10619-10619-10701(Top 3%)657(Top 4%)657(Top 29%)
15K9.32 mi3.11 mi713-50669-50669-50831(Top 3%)785(Top 5%)785(Top 35%)
20K12.43 mi3.11 mi689+24646+23646+23697(Top 3%)655(Top 4%)655(Top 29%)
Half13.11 mi0.68 mi692-3649-3649-3822(Top 3%)780(Top 5%)780(Top 35%)
25K15.53 mi2.42 mi688+4646+3646+3632(Top 2%)591(Top 4%)591(Top 26%)
30K18.64 mi3.11 mi627+61586+60586+60439(Top 2%)407(Top 3%)407(Top 18%)
20M20.00 mi1.36 mi614+13574+12574+12577(Top 2%)543(Top 4%)543(Top 24%)
21M21.00 mi1.00 mi598+16558+16558+16482(Top 2%)448(Top 3%)448(Top 20%)
35K21.75 mi0.75 mi582+16542+16542+16367(Top 1%)338(Top 2%)338(Top 15%)
23M23.00 mi1.25 mi567+15528+14528+14492(Top 2%)461(Top 3%)461(Top 21%)
24M24.00 mi1.00 mi559+8521+7521+7541(Top 2%)511(Top 3%)511(Top 23%)
40K24.85 mi0.85 mi545+14508+13508+13325(Top 1%)301(Top 2%)301(Top 13%)
25.2M25.20 mi0.35 mi539+6502+6502+6390(Top 1%)368(Top 2%)368(Top 16%)
Finish26.22 mi1.02 mi529+10493+9493+9526(Top 2%)500(Top 3%)500(Top 22%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

831

Males

785

M40-44

785

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

701

Males

657

M40-44

657

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

831

Males

785

M40-44

785

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

697

Males

655

M40-44

655

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

822

Males

780

M40-44

780

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

632

Males

591

M40-44

591

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

439

Males

407

M40-44

407

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

577

Males

543

M40-44

543

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

482

Males

448

M40-44

448

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

367

Males

338

M40-44

338

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

492

Males

461

M40-44

461

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

541

Males

511

M40-44

511

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

325

Males

301

M40-44

301

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

390

Males

368

M40-44

368

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

526

Males

500

M40-44

500

Passing Analysis

Category:
Athletes Passed
273
Passed By
149
Net Change
+124
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#653
5K → 10K2737-10#653#663
10K → 15K656-50#663#713
15K → 20K317+24#713#689
20K → Half14-3#689#692
Half → 25K1915+4#692#688
25K → 30K654+61#688#627
30K → 20M207+13#627#614
20M → 21M171+16#614#598
21M → 35K171+16#598#582
35K → 23M161+15#582#567
23M → 24M168+8#567#559
24M → 40K162+14#559#545
40K → 25.2M60+6#545#539
25.2M → Finish166+10#539#529
TOTALS273149+124
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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