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BOSTON MARATHON 2025

Gerardo Guzman

Bib: 1212•M

NV

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 12%
Gender (Male)
#0 / 16105
Top 20%
Division (M18-39)
#0 / 5642
Top 43%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:18
Rank: #1938
Start → 5K
19:18 | 6:13/mi
10K· 6.21 mi
38:15
Rank: #1663 (+275)
5K → 10K
18:57 | 6:06/mi
15K· 9.32 mi
57:26
Rank: #1664 (-1)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:17:00
Rank: #1737 (-73)
15K → 20K
19:34 | 6:18/mi
Half· 13.11 mi
1:21:10
Rank: #1733 (+4)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:59
Rank: #1905 (-172)
Half → 25K
15:49 | 6:31/mi
30K· 18.64 mi
2:03:09
Rank: #3689 (-1784)
25K → 30K
26:10 | 8:25/mi
20M
2:13:56
Rank: #4088 (-399)
30K → 20M
10:47 | 7:56/mi
21M
2:21:00
Rank: #3944 (+144)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:26:02
Rank: #3912 (+32)
21M → 35K
5:02 | 6:44/mi
23M
2:34:20
Rank: #3738 (+174)
35K → 23M
8:18 | 6:38/mi
24M
2:40:28
Rank: #3511 (+227)
23M → 24M
6:08 | 6:08/mi
40K· 24.85 mi
2:46:14
Rank: #3440 (+71)
24M → 40K
5:46 | 6:45/mi
25.2M
2:48:41
Rank: #3389 (+51)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:55:31
Rank: #3363 (+26)
25.2M → Finish
6:50 | 6:42/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:10
Pace6:11 /mi
2nd Half
Distance13.11 mi
Time1:34:21
Pace7:12 /mi
📊Positive Split: 16.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5819:186:1319:18
6:13
-
10K
6.21 mi10:38:5538:156:0918:57
6:06
-0:07
15K
9.32 mi10:58:0657:266:1019:11
6:10
+0:04
20K
12.43 mi11:17:401:17:006:1219:34
6:18
+0:08
Half
13.11 mi11:21:501:21:106:114:10
6:06
-0:12
25K
15.53 mi11:37:391:36:596:1515:49
6:31
+0:25
30K
18.64 mi12:03:492:03:096:3626:10
8:25
+1:54
20M
20.00 mi12:14:362:13:566:4210:47
7:56
-0:29
21M
21.00 mi12:21:402:21:006:437:04
7:04
-0:52
35K
21.75 mi12:26:422:26:026:435:02
6:44
-0:20
23M
23.00 mi12:35:002:34:206:438:18
6:38
-0:06
24M
24.00 mi12:41:082:40:286:416:08
6:08
-0:30
40K
24.85 mi12:46:542:46:146:415:46
6:45
+0:37
25.2M
25.20 mi12:49:212:48:416:422:27
7:06
+0:21
Finish
26.22 mi12:56:112:55:316:426:50
6:42
-0:24

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

6:06 /mi

Average Pace

6:42 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:18

50% of race

Time at Steady Pace

41:45

24% of race

Time at Slower Pace

46:28

26% of race

Average Pace: 6:42 /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 mi10:19:5819:186:1319:18
6:13
#1938
10K
6.21 mi10:38:5538:156:0918:57
6:06
#1663
15K
9.32 mi10:58:0657:266:1019:11
6:10
#1664
20K
12.43 mi11:17:401:17:006:1219:34
6:18
#1737
Half
13.11 mi11:21:501:21:106:114:10
6:06
#1733
25K
15.53 mi11:37:391:36:596:1515:49
6:31
#1905
30K
18.64 mi12:03:492:03:096:3626:10
8:25
#3689
20M
20.00 mi12:14:362:13:566:4210:47
7:56
#4088
21M
21.00 mi12:21:402:21:006:437:04
7:04
#3944
35K
21.75 mi12:26:422:26:026:435:02
6:44
#3912
23M
23.00 mi12:35:002:34:206:438:18
6:38
#3738
24M
24.00 mi12:41:082:40:286:416:08
6:08
#3511
40K
24.85 mi12:46:542:46:146:415:46
6:45
#3440
25.2M
25.20 mi12:49:212:48:416:422:27
7:06
#3389
Finish
26.22 mi12:56:112:55:316:426:50
6:42
#3363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1938184418441734(Top 6%)1647(Top 10%)1647(Top 29%)
10K6.21 mi3.10 mi1663+2751583+2611583+2611472(Top 5%)1399(Top 9%)1399(Top 25%)
15K9.32 mi3.11 mi1664-11584-11584-11734(Top 6%)1647(Top 10%)1647(Top 29%)
20K12.43 mi3.11 mi1737-731651-671651-672012(Top 7%)1917(Top 12%)1917(Top 34%)
Half13.11 mi0.68 mi1733+41647+41647+41598(Top 6%)1521(Top 9%)1521(Top 27%)
25K15.53 mi2.42 mi1905-1721815-1681815-1683023(Top 11%)2873(Top 18%)2873(Top 51%)
30K18.64 mi3.11 mi3689-17843482-16673482-166714258(Top 50%)9706(Top 60%)9706(Top 172%)
20M20.00 mi1.36 mi4088-3993828-3463828-3469978(Top 35%)7524(Top 47%)7524(Top 133%)
21M21.00 mi1.00 mi3944+1443696+1323696+1322558(Top 9%)2384(Top 15%)2384(Top 42%)
35K21.75 mi0.75 mi3912+323663+333663+333696(Top 13%)3343(Top 21%)3343(Top 59%)
23M23.00 mi1.25 mi3738+1743503+1603503+1601970(Top 7%)1841(Top 11%)1841(Top 33%)
24M24.00 mi1.00 mi3511+2273295+2083295+208869(Top 3%)818(Top 5%)818(Top 14%)
40K24.85 mi0.85 mi3440+713226+693226+692605(Top 9%)2373(Top 15%)2373(Top 42%)
25.2M25.20 mi0.35 mi3389+513180+463180+461849(Top 7%)1688(Top 10%)1688(Top 30%)
Finish26.22 mi1.02 mi3363+263149+313149+313907(Top 14%)3372(Top 21%)3372(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1734

Males

1647

M18-39

1647

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1472

Males

1399

M18-39

1399

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1734

Males

1647

M18-39

1647

15K→20K

9.3 - 12.4 mi

Top 7%
×5stories
+106ft-86ft

Overall

2012

Males

1917

M18-39

1917

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1598

Males

1521

M18-39

1521

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

3023

Males

2873

M18-39

2873

25K→30K

15.5 - 18.6 mi

Top 50%
×9stories
+181ft-148ft

Overall

14258

Males

9706

M18-39

9706

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9978

Males

7524

M18-39

7524

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2558

Males

2384

M18-39

2384

21M→35K

21.0 - 21.8 mi

Top 13%
×7stories
+17ft-86ft

Overall

3696

Males

3343

M18-39

3343

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

1970

Males

1841

M18-39

1841

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

869

Males

818

M18-39

818

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2605

Males

2373

M18-39

2373

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1849

Males

1688

M18-39

1688

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2stories
+22ft-21ft

Overall

3907

Males

3372

M18-39

3372

Passing Analysis

Category:
Athletes Passed
1220
Passed By
2645
Net Change
-1425
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1938
5K → 10K28510+275#1938#1663
10K → 15K5859-1#1663#1664
15K → 20K33106-73#1664#1737
20K → Half117+4#1737#1733
Half → 25K22194-172#1733#1905
25K → 30K11785-1784#1905#3689
30K → 20M11410-399#3689#4088
20M → 21M1506+144#4088#3944
21M → 35K5220+32#3944#3912
35K → 23M1762+174#3912#3738
23M → 24M2270+227#3738#3511
24M → 40K8413+71#3511#3440
40K → 25.2M543+51#3440#3389
25.2M → Finish5630+26#3389#3363
TOTALS12202645-1425
📊

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