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BOSTON MARATHON 2025

Xavier Zambrana

Bib: 26448•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:04/mi
21:56
↑ 97↓ 3451.5%
10K· 6.21 mi
6:52/mi
43:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:50/mi
1:04:29
↑ 67↓ 78
20K· 12.43 mi
6:52/mi
1:25:50
↑ 106↓ 860.1%
Half· 13.11 mi
6:50/mi
1:30:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:06/mi
1:47:44
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:13:04
↑ 181↓ 1480.2%
20M
9:06/mi
2:25:26
↑ 64↓ 500.2%
21M
9:39/mi
2:35:05
↑ 106↓ 241.6%
35K· 21.75 mi
10:16/mi
2:42:46
↑ 17↓ 861.7%
23M
10:10/mi
2:55:30
↑ 23↓ 630.6%
24M
14:24/mi
3:09:54
↓ 821.3%
40K· 24.85 mi
9:32/mi
3:18:03
↓ 200.3%
25.2M
9:17/mi
3:21:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:34/mi
3:28:58
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:30
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:58:28
Pace9:02 /mi
📊Positive Split: 30.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:37:0521:567:0421:56
7:04
-
10K
6.21 mi11:58:2443:156:5821:19
6:52
-0:12
15K
9.32 mi12:19:381:04:296:5521:14
6:50
-0:02
20K
12.43 mi12:40:591:25:506:5421:21
6:52
+0:02
Half
13.11 mi12:45:391:30:306:544:40
6:50
-0:02
25K
15.53 mi13:02:531:47:446:5617:14
7:06
+0:16
30K
18.64 mi13:28:132:13:047:0825:20
8:09
+1:03
20M
20.00 mi13:40:352:25:267:1612:22
9:06
+0:57
21M
21.00 mi13:50:142:35:057:239:39
9:39
+0:33
35K
21.75 mi13:57:552:42:467:297:41
10:16
+0:37
23M
23.00 mi14:10:392:55:307:3812:44
10:10
-0:06
24M
24.00 mi14:25:033:09:547:5514:24
14:24
+4:14
40K
24.85 mi14:33:123:18:037:588:09
9:32
-4:52
25.2M
25.20 mi14:36:243:21:157:593:12
9:17
-0:15
Finish
26.22 mi14:44:073:28:587:597:43
7:34
-1:43

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

6:50 /mi

Average Pace

7:59 /mi

Slowest Pace

14:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:44

52% of race

Time at Steady Pace

45:25

22% of race

Time at Slower Pace

55:49

27% of race

Average Pace: 7:58 /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 mi11:37:0521:567:0421:56
7:04
#8301
10K
6.21 mi11:58:2443:156:5821:19
6:52
#7592
15K
9.32 mi12:19:381:04:296:5521:14
6:50
#7219
20K
12.43 mi12:40:591:25:506:5421:21
6:52
#6877
Half
13.11 mi12:45:391:30:306:544:40
6:50
#6849
25K
15.53 mi13:02:531:47:446:5617:14
7:06
#6835
30K
18.64 mi13:28:132:13:047:0825:20
8:09
#7601
20M
20.00 mi13:40:352:25:267:1612:22
9:06
#8305
21M
21.00 mi13:50:142:35:057:239:39
9:39
#8845
35K
21.75 mi13:57:552:42:467:297:41
10:16
#9612
23M
23.00 mi14:10:392:55:307:3812:44
10:10
#10599
24M
24.00 mi14:25:033:09:547:5514:24
14:24
#12735
40K
24.85 mi14:33:123:18:037:588:09
9:32
#13036
25.2M
25.20 mi14:36:243:21:157:593:12
9:17
#13039
Finish
26.22 mi14:44:073:28:587:597:43
7:34
#12892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8301718971896445(Top 23%)5828(Top 36%)5828(Top 103%)
10K6.21 mi3.10 mi7592+7096719+4706719+4706969(Top 25%)6256(Top 39%)6256(Top 111%)
15K9.32 mi3.11 mi7219+3736449+2706449+2706445(Top 23%)5828(Top 36%)5828(Top 103%)
20K12.43 mi3.11 mi6877+3426188+2616188+2615987(Top 21%)5430(Top 34%)5430(Top 96%)
Half13.11 mi0.68 mi6849+286164+246164+246521(Top 23%)5861(Top 36%)5861(Top 104%)
25K15.53 mi2.42 mi6835+146122+426122+427029(Top 25%)6142(Top 38%)6142(Top 109%)
30K18.64 mi3.11 mi7601-7666629-5076629-50712473(Top 44%)8895(Top 55%)8895(Top 158%)
20M20.00 mi1.36 mi8305-7047035-4067035-40617291(Top 61%)10936(Top 68%)10936(Top 194%)
21M21.00 mi1.00 mi8845-5407318-2837318-28316752(Top 59%)10576(Top 66%)10576(Top 187%)
35K21.75 mi0.75 mi9612-7677726-4087726-40822593(Top 80%)13198(Top 82%)13198(Top 234%)
23M23.00 mi1.25 mi10599-9878173-4478173-44721008(Top 74%)12392(Top 77%)12392(Top 220%)
24M24.00 mi1.00 mi12735-21369157-9849157-98427830(Top 98%)15723(Top 98%)15723(Top 279%)
40K24.85 mi0.85 mi13036-3019249-929249-9218813(Top 66%)11222(Top 70%)11222(Top 199%)
25.2M25.20 mi0.35 mi13039-39245+49245+413308(Top 47%)8614(Top 53%)8614(Top 153%)
Finish26.22 mi1.02 mi12892+1479155+909155+909728(Top 34%)6839(Top 42%)6839(Top 121%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6445

Males

5828

M18-39

5828

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

6969

Males

6256

M18-39

6256

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6445

Males

5828

M18-39

5828

15K→20K

9.3 - 12.4 mi

Top 21%
×5story building
+106ft-86ft

Overall

5987

Males

5430

M18-39

5430

20K→Half

12.4 - 13.1 mi

Top 23%
×2story building
+19ft-37ft

Overall

6521

Males

5861

M18-39

5861

Half→25K

13.1 - 15.5 mi

Top 25%
×4story building
+66ft-88ft

Overall

7029

Males

6142

M18-39

6142

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12473

Males

8895

M18-39

8895

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17291

Males

10936

M18-39

10936

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16752

Males

10576

M18-39

10576

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22593

Males

13198

M18-39

13198

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21008

Males

12392

M18-39

12392

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

27830

Males

15723

M18-39

15723

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

18813

Males

11222

M18-39

11222

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

13308

Males

8614

M18-39

8614

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9728

Males

6839

M18-39

6839

Passing Analysis

Category:
Athletes Passed
1955
Passed By
6544
Net Change
-4591
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8301
5K → 10K73324+709#8301#7592
10K → 15K38916+373#7592#7219
15K → 20K36321+342#7219#6877
20K → Half346+28#6877#6849
Half → 25K134120+14#6849#6835
25K → 30K47813-766#6835#7601
30K → 20M16720-704#7601#8305
20M → 21M12552-540#8305#8845
21M → 35K6773-767#8845#9612
35K → 23M8993-987#9612#10599
23M → 24M12137-2136#10599#12735
24M → 40K24325-301#12735#13036
40K → 25.2M2730-3#13036#13039
25.2M → Finish16114+147#13039#12892
TOTALS19556544-4591
📊

Passing Visuals

Category:
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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