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BOSTON MARATHON 2025

Alejandro Gonzalez Lamb Vazquez

Bib: 929•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Masters (Masters Men)
#0 / 10463
Top 2%
Division (M45-49)
#0 / 2386
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:14
Rank: #1796
Start → 5K
19:14 | 6:11/mi
10K· 6.21 mi
38:26
Rank: #1794 (+2)
5K → 10K
19:12 | 6:11/mi
15K· 9.32 mi
57:42
Rank: #1812 (-18)
10K → 15K
19:16 | 6:12/mi
20K· 12.43 mi
1:16:58
Rank: #1728 (+84)
15K → 20K
19:16 | 6:12/mi
Half· 13.11 mi
1:21:12
Rank: #1740 (-12)
20K → Half
4:14 | 6:12/mi
25K· 15.53 mi
1:36:17
Rank: #1672 (+68)
Half → 25K
15:05 | 6:13/mi
30K· 18.64 mi
1:55:47
Rank: #1534 (+138)
25K → 30K
19:30 | 6:17/mi
20M
2:04:23
Rank: #1457 (+77)
30K → 20M
8:36 | 6:20/mi
21M
2:11:04
Rank: #1419 (+38)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:15:40
Rank: #1376 (+43)
21M → 35K
4:36 | 6:09/mi
23M
2:23:36
Rank: #1326 (+50)
35K → 23M
7:56 | 6:20/mi
24M
2:29:51
Rank: #1300 (+26)
23M → 24M
6:15 | 6:15/mi
40K· 24.85 mi
2:35:13
Rank: #1271 (+29)
24M → 40K
5:22 | 6:17/mi
25.2M
2:37:33
Rank: #1245 (+26)
40K → 25.2M
2:20 | 6:46/mi
Finish· 26.22 mi
2:43:38
Rank: #1203 (+42)
25.2M → Finish
6:05 | 5:58/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:12
Pace6:12 /mi
2nd Half
Distance13.11 mi
Time1:22:26
Pace6:17 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:2419:146:1119:14
6:11
-
10K
6.21 mi10:38:3638:266:1119:12
6:11
0:00
15K
9.32 mi10:57:5257:426:1119:16
6:12
+0:01
20K
12.43 mi11:17:081:16:586:1219:16
6:12
0:00
Half
13.11 mi11:21:221:21:126:124:14
6:12
0:00
25K
15.53 mi11:36:271:36:176:1215:05
6:13
+0:01
30K
18.64 mi11:55:571:55:476:1319:30
6:17
+0:04
20M
20.00 mi12:04:332:04:236:138:36
6:20
+0:03
21M
21.00 mi12:11:142:11:046:146:41
6:41
+0:21
35K
21.75 mi12:15:502:15:406:144:36
6:09
-0:32
23M
23.00 mi12:23:462:23:366:157:56
6:20
+0:11
24M
24.00 mi12:30:012:29:516:156:15
6:15
-0:05
40K
24.85 mi12:35:232:35:136:155:22
6:17
+0:02
25.2M
25.20 mi12:37:432:37:336:152:20
6:46
+0:29
Finish
26.22 mi12:43:482:43:386:156:05
5:58
-0:48

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

5:58 /mi

Average Pace

6:15 /mi

Slowest Pace

6:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:37

94% of race

Time at Steady Pace

9:01

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:14 /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 mi10:19:2419:146:1119:14
6:11
#1796
10K
6.21 mi10:38:3638:266:1119:12
6:11
#1794
15K
9.32 mi10:57:5257:426:1119:16
6:12
#1812
20K
12.43 mi11:17:081:16:586:1219:16
6:12
#1728
Half
13.11 mi11:21:221:21:126:124:14
6:12
#1740
25K
15.53 mi11:36:271:36:176:1215:05
6:13
#1672
30K
18.64 mi11:55:571:55:476:1319:30
6:17
#1534
20M
20.00 mi12:04:332:04:236:138:36
6:20
#1457
21M
21.00 mi12:11:142:11:046:146:41
6:41
#1419
35K
21.75 mi12:15:502:15:406:144:36
6:09
#1376
23M
23.00 mi12:23:462:23:366:157:56
6:20
#1326
24M
24.00 mi12:30:012:29:516:156:15
6:15
#1300
40K
24.85 mi12:35:232:35:136:155:22
6:17
#1271
25.2M
25.20 mi12:37:432:37:336:152:20
6:46
#1245
Finish
26.22 mi12:43:482:43:386:156:05
5:58
#1203
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi1796170617061867(Top 7%)1778(Top 11%)1778(Top 75%)
10K6.21 mi3.10 mi1794+21705+11705+11799(Top 6%)1708(Top 11%)1708(Top 72%)
15K9.32 mi3.11 mi1812-181724-191724-191867(Top 7%)1778(Top 11%)1778(Top 75%)
20K12.43 mi3.11 mi1728+841642+821642+821585(Top 6%)1505(Top 9%)1505(Top 63%)
Half13.11 mi0.68 mi1740-121653-111653-111951(Top 7%)1860(Top 12%)1860(Top 78%)
25K15.53 mi2.42 mi1672+681589+641589+641534(Top 5%)1456(Top 9%)1456(Top 61%)
30K18.64 mi3.11 mi1534+1381454+1351454+1351138(Top 4%)1072(Top 7%)1072(Top 45%)
20M20.00 mi1.36 mi1457+771377+771377+771031(Top 4%)973(Top 6%)973(Top 41%)
21M21.00 mi1.00 mi1419+381339+381339+381149(Top 4%)1088(Top 7%)1088(Top 46%)
35K21.75 mi0.75 mi1376+431298+411298+411080(Top 4%)1018(Top 6%)1018(Top 43%)
23M23.00 mi1.25 mi1326+501249+491249+49966(Top 3%)910(Top 6%)910(Top 38%)
24M24.00 mi1.00 mi1300+261224+251224+251158(Top 4%)1085(Top 7%)1085(Top 45%)
40K24.85 mi0.85 mi1271+291196+281196+28913(Top 3%)855(Top 5%)855(Top 36%)
25.2M25.20 mi0.35 mi1245+261170+261170+26892(Top 3%)825(Top 5%)825(Top 35%)
Finish26.22 mi1.02 mi1203+421131+391131+39833(Top 3%)786(Top 5%)786(Top 33%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

1867

Males

1778

M45-49

1778

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1799

Males

1708

M45-49

1708

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

1867

Males

1778

M45-49

1778

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1585

Males

1505

M45-49

1505

20K→Half

12.4 - 13.1 mi

Top 7%
×2stories
+19ft-37ft

Overall

1951

Males

1860

M45-49

1860

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1534

Males

1456

M45-49

1456

25K→30K

15.5 - 18.6 mi

Top 4%
×9stories
+181ft-148ft

Overall

1138

Males

1072

M45-49

1072

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1031

Males

973

M45-49

973

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1149

Males

1088

M45-49

1088

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1080

Males

1018

M45-49

1018

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

966

Males

910

M45-49

910

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1158

Males

1085

M45-49

1085

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

913

Males

855

M45-49

855

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

892

Males

825

M45-49

825

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

833

Males

786

M45-49

786

Passing Analysis

Category:
Athletes Passed
848
Passed By
255
Net Change
+593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1796
5K → 10K9290+2#1796#1794
10K → 15K4462-18#1794#1812
15K → 20K9814+84#1812#1728
20K → Half214-12#1728#1740
Half → 25K8416+68#1740#1672
25K → 30K14911+138#1672#1534
30K → 20M825+77#1534#1457
20M → 21M479+38#1457#1419
21M → 35K452+43#1419#1376
35K → 23M6111+50#1376#1326
23M → 24M3610+26#1326#1300
24M → 40K323+29#1300#1271
40K → 25.2M304+26#1271#1245
25.2M → Finish464+42#1245#1203
TOTALS848255+593
📊

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