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BOSTON MARATHON 2025

Zach Lewis

Bib: 2953•M

CA

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 7%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:20
Rank: #791
Start → 5K
18:20 | 5:54/mi
10K· 6.21 mi
36:34
Rank: #762 (+29)
5K → 10K
18:14 | 5:52/mi
15K· 9.32 mi
54:45
Rank: #723 (+39)
10K → 15K
18:11 | 5:51/mi
20K· 12.43 mi
1:13:08
Rank: #704 (+19)
15K → 20K
18:23 | 5:55/mi
Half· 13.11 mi
1:17:08
Rank: #701 (+3)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:31:31
Rank: #672 (+29)
Half → 25K
14:23 | 5:56/mi
30K· 18.64 mi
1:50:10
Rank: #611 (+61)
25K → 30K
18:39 | 6:00/mi
20M
1:58:18
Rank: #581 (+30)
30K → 20M
8:08 | 5:59/mi
21M
2:04:35
Rank: #560 (+21)
20M → 21M
6:17 | 6:17/mi
35K· 21.75 mi
2:08:58
Rank: #550 (+10)
21M → 35K
4:23 | 5:52/mi
23M
2:16:31
Rank: #529 (+21)
35K → 23M
7:33 | 6:02/mi
24M
2:22:23
Rank: #515 (+14)
23M → 24M
5:52 | 5:52/mi
40K· 24.85 mi
2:27:30
Rank: #494 (+21)
24M → 40K
5:07 | 5:59/mi
25.2M
2:29:43
Rank: #484 (+10)
40K → 25.2M
2:13 | 6:26/mi
Finish· 26.22 mi
2:35:41
Rank: #477 (+7)
25.2M → Finish
5:58 | 5:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:08
Pace5:53 /mi
2nd Half
Distance13.11 mi
Time1:18:33
Pace6:00 /mi
📊Positive Split: 1.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:3918:205:5418:20
5:54
-
10K
6.21 mi10:36:5336:345:5318:14
5:52
-0:02
15K
9.32 mi10:55:0454:455:5218:11
5:51
-0:01
20K
12.43 mi11:13:271:13:085:5318:23
5:55
+0:04
Half
13.11 mi11:17:271:17:085:534:00
5:52
-0:03
25K
15.53 mi11:31:501:31:315:5314:23
5:56
+0:04
30K
18.64 mi11:50:291:50:105:5518:39
6:00
+0:04
20M
20.00 mi11:58:371:58:185:558:08
5:59
-0:01
21M
21.00 mi12:04:542:04:355:566:17
6:17
+0:18
35K
21.75 mi12:09:172:08:585:564:23
5:52
-0:25
23M
23.00 mi12:16:502:16:315:567:33
6:02
+0:10
24M
24.00 mi12:22:422:22:235:565:52
5:52
-0:10
40K
24.85 mi12:27:492:27:305:565:07
5:59
+0:07
25.2M
25.20 mi12:30:022:29:435:562:13
6:26
+0:27
Finish
26.22 mi12:36:002:35:415:575:58
5:51
-0:35

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

5:51 /mi

Average Pace

5:57 /mi

Slowest Pace

6:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:11

95% of race

Time at Steady Pace

8:30

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:56 /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 mi10:18:3918:205:5418:20
5:54
#791
10K
6.21 mi10:36:5336:345:5318:14
5:52
#762
15K
9.32 mi10:55:0454:455:5218:11
5:51
#723
20K
12.43 mi11:13:271:13:085:5318:23
5:55
#704
Half
13.11 mi11:17:271:17:085:534:00
5:52
#701
25K
15.53 mi11:31:501:31:315:5314:23
5:56
#672
30K
18.64 mi11:50:291:50:105:5518:39
6:00
#611
20M
20.00 mi11:58:371:58:185:558:08
5:59
#581
21M
21.00 mi12:04:542:04:355:566:17
6:17
#560
35K
21.75 mi12:09:172:08:585:564:23
5:52
#550
23M
23.00 mi12:16:502:16:315:567:33
6:02
#529
24M
24.00 mi12:22:422:22:235:565:52
5:52
#515
40K
24.85 mi12:27:492:27:305:565:07
5:59
#494
25.2M
25.20 mi12:30:022:29:435:562:13
6:26
#484
Finish
26.22 mi12:36:002:35:415:575:58
5:51
#477
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi791738738632(Top 2%)586(Top 4%)586(Top 10%)
10K6.21 mi3.10 mi762+29711+27711+27757(Top 3%)710(Top 4%)710(Top 13%)
15K9.32 mi3.11 mi723+39675+36675+36632(Top 2%)586(Top 4%)586(Top 10%)
20K12.43 mi3.11 mi704+19656+19656+19663(Top 2%)616(Top 4%)616(Top 11%)
Half13.11 mi0.68 mi701+3653+3653+3707(Top 2%)661(Top 4%)661(Top 12%)
25K15.53 mi2.42 mi672+29625+28625+28636(Top 2%)589(Top 4%)589(Top 10%)
30K18.64 mi3.11 mi611+61564+61564+61488(Top 2%)454(Top 3%)454(Top 8%)
20M20.00 mi1.36 mi581+30536+28536+28369(Top 1%)345(Top 2%)345(Top 6%)
21M21.00 mi1.00 mi560+21515+21515+21353(Top 1%)330(Top 2%)330(Top 6%)
35K21.75 mi0.75 mi550+10505+10505+10460(Top 2%)428(Top 3%)428(Top 8%)
23M23.00 mi1.25 mi529+21486+19486+19388(Top 1%)365(Top 2%)365(Top 6%)
24M24.00 mi1.00 mi515+14472+14472+14344(Top 1%)318(Top 2%)318(Top 6%)
40K24.85 mi0.85 mi494+21454+18454+18368(Top 1%)341(Top 2%)341(Top 6%)
25.2M25.20 mi0.35 mi484+10446+8446+8352(Top 1%)326(Top 2%)326(Top 6%)
Finish26.22 mi1.02 mi477+7441+5441+5594(Top 2%)556(Top 3%)556(Top 10%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

632

Males

586

M18-39

586

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

757

Males

710

M18-39

710

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

632

Males

586

M18-39

586

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

663

Males

616

M18-39

616

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

707

Males

661

M18-39

661

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

636

Males

589

M18-39

589

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

488

Males

454

M18-39

454

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

369

Males

345

M18-39

345

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

353

Males

330

M18-39

330

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

460

Males

428

M18-39

428

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

388

Males

365

M18-39

365

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

344

Males

318

M18-39

318

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

368

Males

341

M18-39

341

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

352

Males

326

M18-39

326

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

594

Males

556

M18-39

556

Passing Analysis

Category:
Athletes Passed
406
Passed By
92
Net Change
+314
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#791
5K → 10K5829+29#791#762
10K → 15K456+39#762#723
15K → 20K3920+19#723#704
20K → Half52+3#704#701
Half → 25K378+29#701#672
25K → 30K687+61#672#611
30K → 20M322+30#611#581
20M → 21M243+21#581#560
21M → 35K111+10#560#550
35K → 23M232+21#550#529
23M → 24M195+14#529#515
24M → 40K210+21#515#494
40K → 25.2M111+10#494#484
25.2M → Finish136+7#484#477
TOTALS40692+314
📊

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