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BOSTON MARATHON 2025

Mikolaj Weglinski

Bib: 4842•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:38
Rank: #4953
Start → 5K
20:38 | 6:38/mi
10K· 6.21 mi
41:31
Rank: #5206 (-253)
5K → 10K
20:53 | 6:43/mi
15K· 9.32 mi
1:02:07
Rank: #4916 (+290)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:23:17
Rank: #5010 (-94)
15K → 20K
21:10 | 6:49/mi
Half· 13.11 mi
1:27:47
Rank: #4966 (+44)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:44:05
Rank: #4803 (+163)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:06:01
Rank: #4840 (-37)
25K → 30K
21:56 | 7:04/mi
20M
2:15:54
Rank: #4886 (-46)
30K → 20M
9:53 | 7:16/mi
21M
2:23:44
Rank: #4979 (-93)
20M → 21M
7:50 | 7:50/mi
35K· 21.75 mi
2:29:03
Rank: #4999 (-20)
21M → 35K
5:19 | 7:06/mi
23M
2:38:33
Rank: #5150 (-151)
35K → 23M
9:30 | 7:35/mi
24M
2:46:06
Rank: #5243 (-93)
23M → 24M
7:33 | 7:33/mi
40K· 24.85 mi
2:52:48
Rank: #5307 (-64)
24M → 40K
6:42 | 7:50/mi
25.2M
2:55:48
Rank: #5331 (-24)
40K → 25.2M
3:00 | 8:42/mi
Finish· 26.22 mi
3:03:23
Rank: #5389 (-58)
25.2M → Finish
7:35 | 7:26/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:47
Pace6:42 /mi
2nd Half
Distance13.11 mi
Time1:35:36
Pace7:18 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:0220:386:3820:38
6:38
-
10K
6.21 mi10:44:5541:316:4120:53
6:43
+0:05
15K
9.32 mi11:05:311:02:076:4020:36
6:38
-0:05
20K
12.43 mi11:26:411:23:176:4221:10
6:49
+0:11
Half
13.11 mi11:31:111:27:476:424:30
6:36
-0:13
25K
15.53 mi11:47:291:44:056:4216:18
6:43
+0:07
30K
18.64 mi12:09:252:06:016:4621:56
7:04
+0:21
20M
20.00 mi12:19:182:15:546:489:53
7:16
+0:12
21M
21.00 mi12:27:082:23:446:517:50
7:50
+0:34
35K
21.75 mi12:32:272:29:036:515:19
7:06
-0:44
23M
23.00 mi12:41:572:38:336:549:30
7:35
+0:29
24M
24.00 mi12:49:302:46:066:557:33
7:33
-0:02
40K
24.85 mi12:56:122:52:486:576:42
7:50
+0:17
25.2M
25.20 mi12:59:122:55:486:593:00
8:42
+0:52
Finish
26.22 mi13:06:473:03:237:007:35
7:26
-1:16

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

6:36 /mi

Average Pace

7:00 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:55

45% of race

Time at Steady Pace

58:18

32% of race

Time at Slower Pace

42:10

23% of race

Average Pace: 7:00 /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 mi10:24:0220:386:3820:38
6:38
#4953
10K
6.21 mi10:44:5541:316:4120:53
6:43
#5206
15K
9.32 mi11:05:311:02:076:4020:36
6:38
#4916
20K
12.43 mi11:26:411:23:176:4221:10
6:49
#5010
Half
13.11 mi11:31:111:27:476:424:30
6:36
#4966
25K
15.53 mi11:47:291:44:056:4216:18
6:43
#4803
30K
18.64 mi12:09:252:06:016:4621:56
7:04
#4840
20M
20.00 mi12:19:182:15:546:489:53
7:16
#4886
21M
21.00 mi12:27:082:23:446:517:50
7:50
#4979
35K
21.75 mi12:32:272:29:036:515:19
7:06
#4999
23M
23.00 mi12:41:572:38:336:549:30
7:35
#5150
24M
24.00 mi12:49:302:46:066:557:33
7:33
#5243
40K
24.85 mi12:56:122:52:486:576:42
7:50
#5307
25.2M
25.20 mi12:59:122:55:486:593:00
8:42
#5331
Finish
26.22 mi13:06:473:03:237:007:35
7:26
#5389
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4953463746374515(Top 16%)4232(Top 26%)4232(Top 75%)
10K6.21 mi3.10 mi5206-2534842-2054842-2055539(Top 20%)5100(Top 32%)5100(Top 90%)
15K9.32 mi3.11 mi4916+2904586+2564586+2564515(Top 16%)4232(Top 26%)4232(Top 75%)
20K12.43 mi3.11 mi5010-944664-784664-785426(Top 19%)4973(Top 31%)4973(Top 88%)
Half13.11 mi0.68 mi4966+444622+424622+424423(Top 16%)4145(Top 26%)4145(Top 73%)
25K15.53 mi2.42 mi4803+1634468+1544468+1544315(Top 15%)4003(Top 25%)4003(Top 71%)
30K18.64 mi3.11 mi4840-374477-94477-95079(Top 18%)4603(Top 29%)4603(Top 82%)
20M20.00 mi1.36 mi4886-464516-394516-395624(Top 20%)4924(Top 31%)4924(Top 87%)
21M21.00 mi1.00 mi4979-934586-704586-706367(Top 22%)5303(Top 33%)5303(Top 94%)
35K21.75 mi0.75 mi4999-204591-54591-56016(Top 21%)5073(Top 31%)5073(Top 90%)
23M23.00 mi1.25 mi5150-1514710-1194710-1197145(Top 25%)5660(Top 35%)5660(Top 100%)
24M24.00 mi1.00 mi5243-934774-644774-648024(Top 28%)6119(Top 38%)6119(Top 108%)
40K24.85 mi0.85 mi5307-644819-454819-458973(Top 32%)6497(Top 40%)6497(Top 115%)
25.2M25.20 mi0.35 mi5331-244827-84827-89910(Top 35%)6886(Top 43%)6886(Top 122%)
Finish26.22 mi1.02 mi5389-584859-324859-328749(Top 31%)6303(Top 39%)6303(Top 112%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4515

Males

4232

M18-39

4232

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5539

Males

5100

M18-39

5100

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4515

Males

4232

M18-39

4232

15K→20K

9.3 - 12.4 mi

Top 19%
×5stories
+106ft-86ft

Overall

5426

Males

4973

M18-39

4973

20K→Half

12.4 - 13.1 mi

Top 16%
×2stories
+19ft-37ft

Overall

4423

Males

4145

M18-39

4145

Half→25K

13.1 - 15.5 mi

Top 15%
×4stories
+66ft-88ft

Overall

4315

Males

4003

M18-39

4003

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5079

Males

4603

M18-39

4603

30K→20M

18.6 - 20.0 mi

Top 20%
×5stories
+64ft-50ft

Overall

5624

Males

4924

M18-39

4924

20M→21M

20.0 - 21.0 mi

Top 22%
×8stories
+106ft-24ft

Overall

6367

Males

5303

M18-39

5303

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

6016

Males

5073

M18-39

5073

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

7145

Males

5660

M18-39

5660

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

8024

Males

6119

M18-39

6119

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

8973

Males

6497

M18-39

6497

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9910

Males

6886

M18-39

6886

25.2M→Finish

25.2 - 26.2 mi

Top 31%
×2stories
+22ft-21ft

Overall

8749

Males

6303

M18-39

6303

Passing Analysis

Category:
Athletes Passed
1199
Passed By
1635
Net Change
-436
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4953
5K → 10K87340-253#4953#5206
10K → 15K32434+290#5206#4916
15K → 20K101195-94#4916#5010
20K → Half484+44#5010#4966
Half → 25K19128+163#4966#4803
25K → 30K149186-37#4803#4840
30K → 20M62108-46#4840#4886
20M → 21M39132-93#4886#4979
21M → 35K4666-20#4979#4999
35K → 23M50201-151#4999#5150
23M → 24M28121-93#5150#5243
24M → 40K3397-64#5243#5307
40K → 25.2M1337-24#5307#5331
25.2M → Finish2886-58#5331#5389
TOTALS11991635-436
📊

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