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BOSTON MARATHON 2025

Jac Guerra

Bib: 1390•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 17%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:02
Rank: #1504
Start → 5K
19:02 | 6:08/mi
10K· 6.21 mi
37:22
Rank: #1109 (+395)
5K → 10K
18:20 | 5:54/mi
15K· 9.32 mi
55:49
Rank: #1016 (+93)
10K → 15K
18:27 | 5:56/mi
20K· 12.43 mi
1:14:38
Rank: #1011 (+5)
15K → 20K
18:49 | 6:03/mi
Half· 13.11 mi
1:18:43
Rank: #1014 (-3)
20K → Half
4:05 | 5:59/mi
25K· 15.53 mi
1:33:24
Rank: #991 (+23)
Half → 25K
14:41 | 6:03/mi
30K· 18.64 mi
1:53:03
Rank: #1010 (-19)
25K → 30K
19:39 | 6:19/mi
20M
2:01:52
Rank: #1021 (-11)
30K → 20M
8:49 | 6:29/mi
21M
2:08:55
Rank: #1060 (-39)
20M → 21M
7:03 | 7:03/mi
35K· 21.75 mi
2:13:45
Rank: #1087 (-27)
21M → 35K
4:50 | 6:28/mi
23M
2:22:06
Rank: #1104 (-17)
35K → 23M
8:21 | 6:40/mi
24M
2:28:39
Rank: #1127 (-23)
23M → 24M
6:33 | 6:33/mi
40K· 24.85 mi
2:34:33
Rank: #1162 (-35)
24M → 40K
5:54 | 6:54/mi
25.2M
2:37:05
Rank: #1178 (-16)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:43:50
Rank: #1230 (-52)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:43
Pace6:00 /mi
2nd Half
Distance13.11 mi
Time1:25:07
Pace6:30 /mi
📊Positive Split: 8.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:3619:026:0819:02
6:08
-
10K
6.21 mi10:37:5637:226:0118:20
5:54
-0:14
15K
9.32 mi10:56:2355:495:5918:27
5:56
+0:02
20K
12.43 mi11:15:121:14:386:0018:49
6:03
+0:07
Half
13.11 mi11:19:171:18:436:004:05
5:59
-0:04
25K
15.53 mi11:33:581:33:246:0114:41
6:03
+0:04
30K
18.64 mi11:53:371:53:036:0419:39
6:19
+0:16
20M
20.00 mi12:02:262:01:526:068:49
6:29
+0:10
21M
21.00 mi12:09:292:08:556:087:03
7:03
+0:34
35K
21.75 mi12:14:192:13:456:094:50
6:28
-0:35
23M
23.00 mi12:22:402:22:066:118:21
6:40
+0:12
24M
24.00 mi12:29:132:28:396:126:33
6:33
-0:07
40K
24.85 mi12:35:072:34:336:135:54
6:54
+0:21
25.2M
25.20 mi12:37:392:37:056:142:32
7:21
+0:27
Finish
26.22 mi12:44:242:43:506:156:45
6:37
-0:44

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

5:54 /mi

Average Pace

6:15 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:24

57% of race

Time at Steady Pace

54:57

34% of race

Time at Slower Pace

15:29

9% of race

Average Pace: 6:15 /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 mi10:19:3619:026:0819:02
6:08
#1504
10K
6.21 mi10:37:5637:226:0118:20
5:54
#1109
15K
9.32 mi10:56:2355:495:5918:27
5:56
#1016
20K
12.43 mi11:15:121:14:386:0018:49
6:03
#1011
Half
13.11 mi11:19:171:18:436:004:05
5:59
#1014
25K
15.53 mi11:33:581:33:246:0114:41
6:03
#991
30K
18.64 mi11:53:371:53:036:0419:39
6:19
#1010
20M
20.00 mi12:02:262:01:526:068:49
6:29
#1021
21M
21.00 mi12:09:292:08:556:087:03
7:03
#1060
35K
21.75 mi12:14:192:13:456:094:50
6:28
#1087
23M
23.00 mi12:22:402:22:066:118:21
6:40
#1104
24M
24.00 mi12:29:132:28:396:126:33
6:33
#1127
40K
24.85 mi12:35:072:34:336:135:54
6:54
#1162
25.2M
25.20 mi12:37:392:37:056:142:32
7:21
#1178
Finish
26.22 mi12:44:242:43:506:156:45
6:37
#1230
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi150414341434853(Top 3%)801(Top 5%)801(Top 14%)
10K6.21 mi3.10 mi1109+3951046+3881046+388827(Top 3%)776(Top 5%)776(Top 14%)
15K9.32 mi3.11 mi1016+93959+87959+87853(Top 3%)801(Top 5%)801(Top 14%)
20K12.43 mi3.11 mi1011+5952+7952+71027(Top 4%)968(Top 6%)968(Top 17%)
Half13.11 mi0.68 mi1014-3955-3955-31109(Top 4%)1051(Top 7%)1051(Top 19%)
25K15.53 mi2.42 mi991+23934+21934+21954(Top 3%)899(Top 6%)899(Top 16%)
30K18.64 mi3.11 mi1010-19951-17951-171280(Top 5%)1208(Top 8%)1208(Top 21%)
20M20.00 mi1.36 mi1021-11961-10961-101567(Top 6%)1481(Top 9%)1481(Top 26%)
21M21.00 mi1.00 mi1060-39998-37998-372423(Top 9%)2259(Top 14%)2259(Top 40%)
35K21.75 mi0.75 mi1087-271024-261024-262231(Top 8%)2083(Top 13%)2083(Top 37%)
23M23.00 mi1.25 mi1104-171040-161040-162092(Top 7%)1953(Top 12%)1953(Top 35%)
24M24.00 mi1.00 mi1127-231061-211061-212226(Top 8%)2058(Top 13%)2058(Top 36%)
40K24.85 mi0.85 mi1162-351094-331094-333306(Top 12%)2948(Top 18%)2948(Top 52%)
25.2M25.20 mi0.35 mi1178-161109-151109-152648(Top 9%)2350(Top 15%)2350(Top 42%)
Finish26.22 mi1.02 mi1230-521155-461155-463418(Top 12%)2987(Top 19%)2987(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

853

Males

801

M18-39

801

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

827

Males

776

M18-39

776

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

853

Males

801

M18-39

801

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1027

Males

968

M18-39

968

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1109

Males

1051

M18-39

1051

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

954

Males

899

M18-39

899

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1280

Males

1208

M18-39

1208

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1567

Males

1481

M18-39

1481

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2423

Males

2259

M18-39

2259

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2231

Males

2083

M18-39

2083

35K→23M

21.8 - 23.0 mi

Top 7%
×5stories
+23ft-63ft

Overall

2092

Males

1953

M18-39

1953

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2226

Males

2058

M18-39

2058

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3306

Males

2948

M18-39

2948

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2648

Males

2350

M18-39

2350

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3418

Males

2987

M18-39

2987

Passing Analysis

Category:
Athletes Passed
716
Passed By
442
Net Change
+274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1504
5K → 10K3972+395#1504#1109
10K → 15K974+93#1109#1016
15K → 20K3328+5#1016#1011
20K → Half69-3#1011#1014
Half → 25K3714+23#1014#991
25K → 30K4059-19#991#1010
30K → 20M2738-11#1010#1021
20M → 21M948-39#1021#1060
21M → 35K734-27#1060#1087
35K → 23M3754-17#1087#1104
23M → 24M730-23#1104#1127
24M → 40K742-35#1127#1162
40K → 25.2M521-16#1162#1178
25.2M → Finish759-52#1178#1230
TOTALS716442+274
📊

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