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BOSTON MARATHON 2025

Zach Dombi

Bib: 539•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:51
Rank: #503
Start → 5K
17:51 | 5:45/mi
10K· 6.21 mi
35:50
Rank: #545 (-42)
5K → 10K
17:59 | 5:47/mi
15K· 9.32 mi
53:57
Rank: #552 (-7)
10K → 15K
18:07 | 5:50/mi
20K· 12.43 mi
1:12:18
Rank: #555 (-3)
15K → 20K
18:21 | 5:54/mi
Half· 13.11 mi
1:16:15
Rank: #550 (+5)
20K → Half
3:57 | 5:47/mi
25K· 15.53 mi
1:30:42
Rank: #564 (-14)
Half → 25K
14:27 | 5:58/mi
30K· 18.64 mi
1:49:51
Rank: #575 (-11)
25K → 30K
19:09 | 6:10/mi
20M
1:58:21
Rank: #587 (-12)
30K → 20M
8:30 | 6:15/mi
21M
2:04:58
Rank: #586 (+1)
20M → 21M
6:37 | 6:37/mi
35K· 21.75 mi
2:09:34
Rank: #594 (-8)
21M → 35K
4:36 | 6:09/mi
23M
2:17:32
Rank: #602 (-8)
35K → 23M
7:58 | 6:22/mi
24M
2:23:45
Rank: #617 (-15)
23M → 24M
6:13 | 6:13/mi
40K· 24.85 mi
2:29:05
Rank: #611 (+6)
24M → 40K
5:20 | 6:14/mi
25.2M
2:31:17
Rank: #605 (+6)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:37:08
Rank: #574 (+31)
25.2M → Finish
5:51 | 5:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:15
Pace5:49 /mi
2nd Half
Distance13.11 mi
Time1:20:53
Pace6:10 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0417:515:4517:51
5:45
-
10K
6.21 mi10:36:0335:505:4617:59
5:47
+0:02
15K
9.32 mi10:54:1053:575:4718:07
5:50
+0:03
20K
12.43 mi11:12:311:12:185:4918:21
5:54
+0:04
Half
13.11 mi11:16:281:16:155:493:57
5:47
-0:07
25K
15.53 mi11:30:551:30:425:5014:27
5:58
+0:11
30K
18.64 mi11:50:041:49:515:5419:09
6:10
+0:12
20M
20.00 mi11:58:341:58:215:558:30
6:15
+0:05
21M
21.00 mi12:05:112:04:585:576:37
6:37
+0:22
35K
21.75 mi12:09:472:09:345:574:36
6:09
-0:28
23M
23.00 mi12:17:452:17:325:597:58
6:22
+0:13
24M
24.00 mi12:23:582:23:455:596:13
6:13
-0:09
40K
24.85 mi12:29:182:29:056:005:20
6:14
+0:01
25.2M
25.20 mi12:31:302:31:176:002:12
6:23
+0:09
Finish
26.22 mi12:37:212:37:086:005:51
5:44
-0:39

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

5:44 /mi

Average Pace

6:00 /mi

Slowest Pace

6:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:20:21

89% of race

Time at Steady Pace

16:47

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:00 /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 mi10:18:0417:515:4517:51
5:45
#503
10K
6.21 mi10:36:0335:505:4617:59
5:47
#545
15K
9.32 mi10:54:1053:575:4718:07
5:50
#552
20K
12.43 mi11:12:311:12:185:4918:21
5:54
#555
Half
13.11 mi11:16:281:16:155:493:57
5:47
#550
25K
15.53 mi11:30:551:30:425:5014:27
5:58
#564
30K
18.64 mi11:50:041:49:515:5419:09
6:10
#575
20M
20.00 mi11:58:341:58:215:558:30
6:15
#587
21M
21.00 mi12:05:112:04:585:576:37
6:37
#586
35K
21.75 mi12:09:472:09:345:574:36
6:09
#594
23M
23.00 mi12:17:452:17:325:597:58
6:22
#602
24M
24.00 mi12:23:582:23:455:596:13
6:13
#617
40K
24.85 mi12:29:182:29:056:005:20
6:14
#611
25.2M
25.20 mi12:31:302:31:176:002:12
6:23
#605
Finish
26.22 mi12:37:212:37:086:005:51
5:44
#574
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi503465465590(Top 2%)549(Top 3%)549(Top 10%)
10K6.21 mi3.10 mi545-42507-42507-42580(Top 2%)541(Top 3%)541(Top 10%)
15K9.32 mi3.11 mi552-7513-6513-6590(Top 2%)549(Top 3%)549(Top 10%)
20K12.43 mi3.11 mi555-3512+1512+1642(Top 2%)595(Top 4%)595(Top 11%)
Half13.11 mi0.68 mi550+5508+4508+4561(Top 2%)527(Top 3%)527(Top 9%)
25K15.53 mi2.42 mi564-14519-11519-11700(Top 2%)652(Top 4%)652(Top 12%)
30K18.64 mi3.11 mi575-11530-11530-11820(Top 3%)767(Top 5%)767(Top 14%)
20M20.00 mi1.36 mi587-12542-12542-12845(Top 3%)797(Top 5%)797(Top 14%)
21M21.00 mi1.00 mi586+1541+1541+1941(Top 3%)891(Top 6%)891(Top 16%)
35K21.75 mi0.75 mi594-8548-7548-71050(Top 4%)988(Top 6%)988(Top 18%)
23M23.00 mi1.25 mi602-8556-8556-81021(Top 4%)964(Top 6%)964(Top 17%)
24M24.00 mi1.00 mi617-15570-14570-141051(Top 4%)987(Top 6%)987(Top 17%)
40K24.85 mi0.85 mi611+6564+6564+6802(Top 3%)751(Top 5%)751(Top 13%)
25.2M25.20 mi0.35 mi605+6558+6558+6312(Top 1%)290(Top 2%)290(Top 5%)
Finish26.22 mi1.02 mi574+31531+27531+27414(Top 1%)388(Top 2%)388(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

590

Males

549

M18-39

549

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

580

Males

541

M18-39

541

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

590

Males

549

M18-39

549

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

642

Males

595

M18-39

595

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

561

Males

527

M18-39

527

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

700

Males

652

M18-39

652

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

820

Males

767

M18-39

767

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

845

Males

797

M18-39

797

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

941

Males

891

M18-39

891

21M→35K

21.0 - 21.8 mi

Top 4%
×7stories
+17ft-86ft

Overall

1050

Males

988

M18-39

988

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1021

Males

964

M18-39

964

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1051

Males

987

M18-39

987

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

802

Males

751

M18-39

751

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

312

Males

290

M18-39

290

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

414

Males

388

M18-39

388

Passing Analysis

Category:
Athletes Passed
189
Passed By
260
Net Change
-71
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#503
5K → 10K1254-42#503#545
10K → 15K1421-7#545#552
15K → 20K1821-3#552#555
20K → Half72+5#555#550
Half → 25K1529-14#550#564
25K → 30K2839-11#564#575
30K → 20M820-12#575#587
20M → 21M1514+1#587#586
21M → 35K614-8#586#594
35K → 23M1119-8#594#602
23M → 24M520-15#602#617
24M → 40K115+6#617#611
40K → 25.2M60+6#611#605
25.2M → Finish332+31#605#574
TOTALS189260-71
📊

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