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BOSTON MARATHON 2025

Greg Wieczorek

Bib: 5493•M

NS

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M40-44)
#0 / 2247
Top 34%
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
6:39/mi
20:41
↑ 97↓ 3451.5%
10K· 6.21 mi
6:45/mi
41:39
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:36
↑ 67↓ 78
20K· 12.43 mi
6:58/mi
1:24:16
↑ 106↓ 860.1%
Half· 13.11 mi
6:47/mi
1:28:54
↑ 19↓ 370.5%
25K· 15.53 mi
6:55/mi
1:45:40
↑ 66↓ 880.2%
30K· 18.64 mi
7:04/mi
2:07:37
↑ 181↓ 1480.2%
20M
7:05/mi
2:17:15
↑ 64↓ 500.2%
21M
7:23/mi
2:24:38
↑ 106↓ 241.6%
35K· 21.75 mi
7:00/mi
2:29:52
↑ 17↓ 861.7%
23M
7:01/mi
2:38:39
↑ 23↓ 630.6%
24M
6:52/mi
2:45:31
↓ 821.3%
40K· 24.85 mi
6:54/mi
2:51:25
↓ 200.3%
25.2M
7:29/mi
2:54:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
3:00:41
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:54
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:31:47
Pace7:00 /mi
📊Positive Split: 3.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:2820:416:3920:41
6:39
-
10K
6.21 mi10:45:2641:396:4220:58
6:45
+0:06
15K
9.32 mi11:06:231:02:366:4320:57
6:45
0:00
20K
12.43 mi11:28:031:24:166:4721:40
6:58
+0:13
Half
13.11 mi11:32:411:28:546:474:38
6:47
-0:11
25K
15.53 mi11:49:271:45:406:4816:46
6:55
+0:08
30K
18.64 mi12:11:242:07:376:5121:57
7:04
+0:09
20M
20.00 mi12:21:022:17:156:529:38
7:05
+0:01
21M
21.00 mi12:28:252:24:386:537:23
7:23
+0:18
35K
21.75 mi12:33:392:29:526:535:14
7:00
-0:23
23M
23.00 mi12:42:262:38:396:548:47
7:01
+0:01
24M
24.00 mi12:49:182:45:316:546:52
6:52
-0:09
40K
24.85 mi12:55:122:51:256:545:54
6:54
+0:02
25.2M
25.20 mi12:57:472:54:006:542:35
7:29
+0:35
Finish
26.22 mi13:04:283:00:416:546:41
6:34
-0:55

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

6:34 /mi

Average Pace

6:54 /mi

Slowest Pace

7:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:50:43

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:24:2820:416:3920:41
6:39
#5067
10K
6.21 mi10:45:2641:396:4220:58
6:45
#5388
15K
9.32 mi11:06:231:02:366:4320:57
6:45
#5397
20K
12.43 mi11:28:031:24:166:4721:40
6:58
#5765
Half
13.11 mi11:32:411:28:546:474:38
6:47
#5778
25K
15.53 mi11:49:271:45:406:4816:46
6:55
#5731
30K
18.64 mi12:11:242:07:376:5121:57
7:04
#5566
20M
20.00 mi12:21:022:17:156:529:38
7:05
#5464
21M
21.00 mi12:28:252:24:386:537:23
7:23
#5331
35K
21.75 mi12:33:392:29:526:535:14
7:00
#5311
23M
23.00 mi12:42:262:38:396:548:47
7:01
#5176
24M
24.00 mi12:49:182:45:316:546:52
6:52
#5091
40K
24.85 mi12:55:122:51:256:545:54
6:54
#4996
25.2M
25.20 mi12:57:472:54:006:542:35
7:29
#4948
Finish
26.22 mi13:04:283:00:416:546:41
6:34
#4841
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5067472947295493(Top 19%)5039(Top 31%)5039(Top 224%)
10K6.21 mi3.10 mi5388-3214991-2624991-2625810(Top 20%)5318(Top 33%)5318(Top 237%)
15K9.32 mi3.11 mi5397-94994-34994-35493(Top 19%)5039(Top 31%)5039(Top 224%)
20K12.43 mi3.11 mi5765-3685293-2995293-2996703(Top 24%)5978(Top 37%)5978(Top 266%)
Half13.11 mi0.68 mi5778-135298-55298-55992(Top 21%)5413(Top 34%)5413(Top 241%)
25K15.53 mi2.42 mi5731+475249+495249+495753(Top 20%)5197(Top 32%)5197(Top 231%)
30K18.64 mi3.11 mi5566+1655093+1565093+1565097(Top 18%)4614(Top 29%)4614(Top 205%)
20M20.00 mi1.36 mi5464+1025000+935000+934600(Top 16%)4170(Top 26%)4170(Top 186%)
21M21.00 mi1.00 mi5331+1334874+1264874+1264018(Top 14%)3641(Top 23%)3641(Top 162%)
35K21.75 mi0.75 mi5311+204856+184856+185282(Top 19%)4564(Top 28%)4564(Top 203%)
23M23.00 mi1.25 mi5176+1354731+1254731+1253831(Top 13%)3444(Top 21%)3444(Top 153%)
24M24.00 mi1.00 mi5091+854645+864645+863893(Top 14%)3446(Top 21%)3446(Top 153%)
40K24.85 mi0.85 mi4996+954561+844561+843343(Top 12%)2985(Top 19%)2985(Top 133%)
25.2M25.20 mi0.35 mi4948+484515+464515+463337(Top 12%)2927(Top 18%)2927(Top 130%)
Finish26.22 mi1.02 mi4841+1074419+964419+963087(Top 11%)2742(Top 17%)2742(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 19%
×21story building
+97ft-345ft

Overall

5493

Males

5039

M40-44

5039

5K→10K

3.1 - 6.2 mi

Top 20%
×5story building
+79ft-138ft

Overall

5810

Males

5318

M40-44

5318

10K→15K

6.2 - 9.3 mi

Top 19%
×3story building
+67ft-78ft

Overall

5493

Males

5039

M40-44

5039

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6703

Males

5978

M40-44

5978

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5992

Males

5413

M40-44

5413

Half→25K

13.1 - 15.5 mi

Top 20%
×4story building
+66ft-88ft

Overall

5753

Males

5197

M40-44

5197

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5097

Males

4614

M40-44

4614

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4600

Males

4170

M40-44

4170

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

4018

Males

3641

M40-44

3641

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5282

Males

4564

M40-44

4564

35K→23M

21.8 - 23.0 mi

Top 13%
×5story building
+23ft-63ft

Overall

3831

Males

3444

M40-44

3444

23M→24M

23.0 - 24.0 mi

Top 14%
×6story building
+12ft-82ft

Overall

3893

Males

3446

M40-44

3446

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3343

Males

2985

M40-44

2985

40K→25.2M

24.9 - 25.2 mi

Top 12%
×1story
+13ft-16ft

Overall

3337

Males

2927

M40-44

2927

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3087

Males

2742

M40-44

2742

Passing Analysis

Category:
Athletes Passed
1508
Passed By
1282
Net Change
+226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5067
5K → 10K79400-321#5067#5388
10K → 15K113122-9#5388#5397
15K → 20K48416-368#5397#5765
20K → Half1932-13#5765#5778
Half → 25K14093+47#5778#5731
25K → 30K26196+165#5731#5566
30K → 20M12523+102#5566#5464
20M → 21M15623+133#5464#5331
21M → 35K5131+20#5331#5311
35K → 23M15419+135#5311#5176
23M → 24M938+85#5176#5091
24M → 40K1016+95#5091#4996
40K → 25.2M557+48#4996#4948
25.2M → Finish1136+107#4948#4841
TOTALS15081282+226
📊

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