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BOSTON MARATHON 2025

Joseph Walewski

Bib: 1251•M

CT

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 10%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:59
Rank: #596
Start → 5K
5:47/mi
17:59 split
10K· 6.21 mi
35:46
Rank: #537 (+59)
5K → 10K
5:43/mi
17:47 split
15K· 9.32 mi
53:55
Rank: #548 (-11)
10K → 15K
5:51/mi
18:09 split
20K· 12.43 mi
1:11:58
Rank: #517 (+31)
15K → 20K
5:49/mi
18:03 split
Half· 13.11 mi
1:15:52
Rank: #509 (+8)
20K → Half
5:43/mi
3:54 split
25K· 15.53 mi
1:30:08
Rank: #493 (+16)
Half → 25K
5:53/mi
14:16 split
30K· 18.64 mi
1:50:21
Rank: #638 (-145)
25K → 30K
6:30/mi
20:13 split
20M
1:58:41
Rank: #624 (+14)
30K → 20M
6:08/mi
8:20 split
21M
2:05:10
Rank: #608 (+16)
20M → 21M
6:29/mi
6:29 split
35K· 21.75 mi
2:10:57
Rank: #735 (-127)
21M → 35K
7:44/mi
5:47 split
23M
2:18:44
Rank: #712 (+23)
35K → 23M
6:13/mi
7:47 split
24M
2:24:53
Rank: #705 (+7)
23M → 24M
6:09/mi
6:09 split
40K· 24.85 mi
2:30:16
Rank: #699 (+6)
24M → 40K
6:18/mi
5:23 split
25.2M
2:32:33
Rank: #688 (+11)
40K → 25.2M
6:37/mi
2:17 split
Finish· 26.22 mi
2:38:42
Rank: #691 (-3)
25.2M → Finish
6:02/mi
6:09 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:15:52
Pace5:47 /mi
2nd Half
Distance13.11 mi
Time1:22:50
Pace6:19 /mi
📊Positive Split: 9.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2017:595:4717:59
5:47
-
10K
6.21 mi10:36:0735:465:4517:47
5:43
-0:04
15K
9.32 mi10:54:1653:555:4718:09
5:51
+0:08
20K
12.43 mi11:12:191:11:585:4718:03
5:49
-0:02
Half
13.11 mi11:16:131:15:525:473:54
5:43
-0:06
25K
15.53 mi11:30:291:30:085:4814:16
5:53
+0:10
30K
18.64 mi11:50:421:50:215:5520:13
6:30
+0:37
20M
20.00 mi11:59:021:58:415:568:20
6:08
-0:22
21M
21.00 mi12:05:312:05:105:586:29
6:29
+0:21
35K
21.75 mi12:11:182:10:576:015:47
7:44
+1:15
23M
23.00 mi12:19:052:18:446:027:47
6:13
-1:31
24M
24.00 mi12:25:142:24:536:026:09
6:09
-0:04
40K
24.85 mi12:30:372:30:166:035:23
6:18
+0:09
25.2M
25.20 mi12:32:542:32:336:032:17
6:37
+0:19
Finish
26.22 mi12:39:032:38:426:036:09
6:02
-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

5:43 /mi

Average Pace

6:03 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:52

48% of race

Time at Steady Pace

48:04

30% of race

Time at Slower Pace

34:46

22% of race

Average Pace: 6:03 /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 mi10:18:2017:595:4717:59
5:47
#596
10K
6.21 mi10:36:0735:465:4517:47
5:43
#537
15K
9.32 mi10:54:1653:555:4718:09
5:51
#548
20K
12.43 mi11:12:191:11:585:4718:03
5:49
#517
Half
13.11 mi11:16:131:15:525:473:54
5:43
#509
25K
15.53 mi11:30:291:30:085:4814:16
5:53
#493
30K
18.64 mi11:50:421:50:215:5520:13
6:30
#638
20M
20.00 mi11:59:021:58:415:568:20
6:08
#624
21M
21.00 mi12:05:312:05:105:586:29
6:29
#608
35K
21.75 mi12:11:182:10:576:015:47
7:44
#735
23M
23.00 mi12:19:052:18:446:027:47
6:13
#712
24M
24.00 mi12:25:142:24:536:026:09
6:09
#705
40K
24.85 mi12:30:372:30:166:035:23
6:18
#699
25.2M
25.20 mi12:32:542:32:336:032:17
6:37
#688
Finish
26.22 mi12:39:032:38:426:036:09
6:02
#691
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi596552552613(Top 2%)570(Top 4%)570(Top 10%)
10K6.21 mi3.10 mi537+59499+53499+53493(Top 2%)456(Top 3%)456(Top 8%)
15K9.32 mi3.11 mi548-11509-10509-10613(Top 2%)570(Top 4%)570(Top 10%)
20K12.43 mi3.11 mi517+31480+29480+29454(Top 2%)423(Top 3%)423(Top 7%)
Half13.11 mi0.68 mi509+8473+7473+7449(Top 2%)421(Top 3%)421(Top 7%)
25K15.53 mi2.42 mi493+16457+16457+16543(Top 2%)502(Top 3%)502(Top 9%)
30K18.64 mi3.11 mi638-145591-134591-1342001(Top 7%)1901(Top 12%)1901(Top 34%)
20M20.00 mi1.36 mi624+14577+14577+14593(Top 2%)559(Top 3%)559(Top 10%)
21M21.00 mi1.00 mi608+16562+15562+15646(Top 2%)610(Top 4%)610(Top 11%)
35K21.75 mi0.75 mi735-127687-125687-12510221(Top 36%)7455(Top 46%)7455(Top 132%)
23M23.00 mi1.25 mi712+23663+24663+24699(Top 2%)660(Top 4%)660(Top 12%)
24M24.00 mi1.00 mi705+7656+7656+7881(Top 3%)827(Top 5%)827(Top 15%)
40K24.85 mi0.85 mi699+6650+6650+6944(Top 3%)883(Top 5%)883(Top 16%)
25.2M25.20 mi0.35 mi688+11639+11639+11622(Top 2%)577(Top 4%)577(Top 10%)
Finish26.22 mi1.02 mi691-3642-3642-3992(Top 3%)930(Top 6%)930(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21story building
+97ft-345ft

Overall

613

Males

570

M18-39

570

5K→10K

3.1 - 6.2 mi

Top 2%
×5story building
+79ft-138ft

Overall

493

Males

456

M18-39

456

10K→15K

6.2 - 9.3 mi

Top 2%
×3story building
+67ft-78ft

Overall

613

Males

570

M18-39

570

15K→20K

9.3 - 12.4 mi

Top 2%
×5story building
+106ft-86ft

Overall

454

Males

423

M18-39

423

20K→Half

12.4 - 13.1 mi

Top 2%
×2story building
+19ft-37ft

Overall

449

Males

421

M18-39

421

Half→25K

13.1 - 15.5 mi

Top 2%
×4story building
+66ft-88ft

Overall

543

Males

502

M18-39

502

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2001

Males

1901

M18-39

1901

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

593

Males

559

M18-39

559

20M→21M

20.0 - 21.0 mi

Top 2%
×8story building
+106ft-24ft

Overall

646

Males

610

M18-39

610

21M→35K

21.0 - 21.8 mi

Top 36%
×7story building
+17ft-86ft

Overall

10221

Males

7455

M18-39

7455

35K→23M

21.8 - 23.0 mi

Top 2%
×5story building
+23ft-63ft

Overall

699

Males

660

M18-39

660

23M→24M

23.0 - 24.0 mi

Top 3%
×6story building
+12ft-82ft

Overall

881

Males

827

M18-39

827

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

944

Males

883

M18-39

883

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

622

Males

577

M18-39

577

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2story building
+22ft-21ft

Overall

992

Males

930

M18-39

930

Passing Analysis

Category:
Athletes Passed
274
Passed By
369
Net Change
-95
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#596
5K → 10K7011+59#596#537
10K → 15K1324-11#537#548
15K → 20K354+31#548#517
20K → Half91+8#517#509
Half → 25K226+16#509#493
25K → 30K5150-145#493#638
30K → 20M206+14#638#624
20M → 21M226+16#624#608
21M → 35K3130-127#608#735
35K → 23M296+23#735#712
23M → 24M147+7#712#705
24M → 40K137+6#705#699
40K → 25.2M121+11#699#688
25.2M → Finish710-3#688#691
TOTALS274369-95
📊

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