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BOSTON MARATHON 2023

Bryan Loza

Bib: 2420•M

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 4%
Gender (Male)
#0 / 15176
Top 7%
Division (M18-39)
#0 / 5285
Top 16%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:06
Rank: #2108
Start → 5K
20:06 | 6:28/mi
10K· 6.21 mi
39:35
Rank: #1847 (+261)
5K → 10K
19:29 | 6:16/mi
15K· 9.32 mi
59:06
Rank: #1749 (+98)
10K → 15K
19:31 | 6:17/mi
20K· 12.43 mi
1:18:26
Rank: #1571 (+178)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:22:37
Rank: #1546 (+25)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:39
Rank: #1413 (+133)
Half → 25K
15:02 | 6:12/mi
30K· 18.64 mi
1:57:14
Rank: #1299 (+114)
25K → 30K
19:35 | 6:18/mi
20M
2:05:46
Rank: #1242 (+57)
30K → 20M
8:32 | 6:17/mi
21M
2:12:24
Rank: #1204 (+38)
20M → 21M
6:38 | 6:38/mi
35K· 21.75 mi
2:16:54
Rank: #1172 (+32)
21M → 35K
4:30 | 6:01/mi
23M
2:24:45
Rank: #1122 (+50)
35K → 23M
7:51 | 6:16/mi
24M
2:30:50
Rank: #1101 (+21)
23M → 24M
6:05 | 6:05/mi
40K· 24.85 mi
2:36:13
Rank: #1077 (+24)
24M → 40K
5:23 | 6:18/mi
25.2M
2:38:31
Rank: #1069 (+8)
40K → 25.2M
2:18 | 6:40/mi
Finish· 26.22 mi
2:44:43
Rank: #1048 (+21)
25.2M → Finish
6:12 | 6:05/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:22:37
Pace6:18 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:22:06
Pace6:16 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0420:066:2820:06
6:28
-
10K
6.21 mi10:40:3339:356:2219:29
6:16
-0:12
15K
9.32 mi11:00:0459:066:2019:31
6:17
+0:01
20K
12.43 mi11:19:241:18:266:1919:20
6:13
-0:04
Half
13.11 mi11:23:351:22:376:184:11
6:08
-0:05
25K
15.53 mi11:38:371:37:396:1715:02
6:12
+0:04
30K
18.64 mi11:58:121:57:146:1719:35
6:18
+0:06
20M
20.00 mi12:06:442:05:466:178:32
6:17
-0:01
21M
21.00 mi12:13:222:12:246:186:38
6:38
+0:21
35K
21.75 mi12:17:522:16:546:184:30
6:01
-0:37
23M
23.00 mi12:25:432:24:456:187:51
6:16
+0:15
24M
24.00 mi12:31:482:30:506:176:05
6:05
-0:11
40K
24.85 mi12:37:112:36:136:175:23
6:18
+0:13
25.2M
25.20 mi12:39:292:38:316:172:18
6:40
+0:22
Finish
26.22 mi12:45:412:44:436:176:12
6:05
-0:35

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

6:01 /mi

Average Pace

6:17 /mi

Slowest Pace

6:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:47

95% of race

Time at Steady Pace

8:56

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:21:0420:066:2820:06
6:28
#2108
10K
6.21 mi10:40:3339:356:2219:29
6:16
#1847
15K
9.32 mi11:00:0459:066:2019:31
6:17
#1749
20K
12.43 mi11:19:241:18:266:1919:20
6:13
#1571
Half
13.11 mi11:23:351:22:376:184:11
6:08
#1546
25K
15.53 mi11:38:371:37:396:1715:02
6:12
#1413
30K
18.64 mi11:58:121:57:146:1719:35
6:18
#1299
20M
20.00 mi12:06:442:05:466:178:32
6:17
#1242
21M
21.00 mi12:13:222:12:246:186:38
6:38
#1204
35K
21.75 mi12:17:522:16:546:184:30
6:01
#1172
23M
23.00 mi12:25:432:24:456:187:51
6:16
#1122
24M
24.00 mi12:31:482:30:506:176:05
6:05
#1101
40K
24.85 mi12:37:112:36:136:175:23
6:18
#1077
25.2M
25.20 mi12:39:292:38:316:172:18
6:40
#1069
Finish
26.22 mi12:45:412:44:436:176:12
6:05
#1048
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2108201120111563(Top 6%)1491(Top 10%)1491(Top 28%)
10K6.21 mi3.10 mi1847+2611767+2441767+2441625(Top 6%)1551(Top 10%)1551(Top 29%)
15K9.32 mi3.11 mi1749+981672+951672+951563(Top 6%)1491(Top 10%)1491(Top 28%)
20K12.43 mi3.11 mi1571+1781501+1711501+1711115(Top 4%)1063(Top 7%)1063(Top 20%)
Half13.11 mi0.68 mi1546+251477+241477+241109(Top 4%)1058(Top 7%)1058(Top 20%)
25K15.53 mi2.42 mi1413+1331350+1271350+127997(Top 4%)948(Top 6%)948(Top 18%)
30K18.64 mi3.11 mi1299+1141241+1091241+109917(Top 3%)872(Top 6%)872(Top 16%)
20M20.00 mi1.36 mi1242+571187+541187+54833(Top 3%)793(Top 5%)793(Top 15%)
21M21.00 mi1.00 mi1204+381150+371150+37932(Top 4%)884(Top 6%)884(Top 17%)
35K21.75 mi0.75 mi1172+321118+321118+32726(Top 3%)686(Top 5%)686(Top 13%)
23M23.00 mi1.25 mi1122+501070+481070+48766(Top 3%)725(Top 5%)725(Top 14%)
24M24.00 mi1.00 mi1101+211049+211049+21732(Top 3%)694(Top 5%)694(Top 13%)
40K24.85 mi0.85 mi1077+241025+241025+24881(Top 3%)834(Top 5%)834(Top 16%)
25.2M25.20 mi0.35 mi1069+81017+81017+8820(Top 3%)781(Top 5%)781(Top 15%)
Finish26.22 mi1.02 mi1048+21997+20997+20933(Top 4%)891(Top 6%)891(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1563

Males

1491

M18-39

1491

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1625

Males

1551

M18-39

1551

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1563

Males

1491

M18-39

1491

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1115

Males

1063

M18-39

1063

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1109

Males

1058

M18-39

1058

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

997

Males

948

M18-39

948

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

917

Males

872

M18-39

872

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

833

Males

793

M18-39

793

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

932

Males

884

M18-39

884

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

726

Males

686

M18-39

686

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

766

Males

725

M18-39

725

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

732

Males

694

M18-39

694

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

881

Males

834

M18-39

834

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

820

Males

781

M18-39

781

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2stories
+22ft-21ft

Overall

933

Males

891

M18-39

891

Passing Analysis

Category:
Athletes Passed
1143
Passed By
83
Net Change
+1060
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2108
5K → 10K28423+261#2108#1847
10K → 15K11921+98#1847#1749
15K → 20K1802+178#1749#1571
20K → Half272+25#1571#1546
Half → 25K1385+133#1546#1413
25K → 30K1151+114#1413#1299
30K → 20M614+57#1299#1242
20M → 21M435+38#1242#1204
21M → 35K320+32#1204#1172
35K → 23M544+50#1172#1122
23M → 24M254+21#1122#1101
24M → 40K284+24#1101#1077
40K → 25.2M113+8#1077#1069
25.2M → Finish265+21#1069#1048
TOTALS114383+1060
📊

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