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BOSTON MARATHON 2025

Konrad Wesolowski

Bib: 8548•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:30
Rank: #15536
Start → 5K
24:30 | 7:53/mi
10K· 6.21 mi
49:29
Rank: #16201 (-665)
5K → 10K
24:59 | 8:02/mi
15K· 9.32 mi
1:13:48
Rank: #15650 (+551)
10K → 15K
24:19 | 7:50/mi
20K· 12.43 mi
1:38:35
Rank: #15393 (+257)
15K → 20K
24:47 | 7:59/mi
Half· 13.11 mi
1:43:49
Rank: #15263 (+130)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
2:03:33
Rank: #15181 (+82)
Half → 25K
19:44 | 8:08/mi
30K· 18.64 mi
2:29:36
Rank: #14927 (+254)
25K → 30K
26:03 | 8:23/mi
20M
2:40:52
Rank: #14689 (+238)
30K → 20M
11:16 | 8:17/mi
21M
2:49:15
Rank: #14348 (+341)
20M → 21M
8:23 | 8:23/mi
35K· 21.75 mi
2:55:00
Rank: #14157 (+191)
21M → 35K
5:45 | 7:41/mi
23M
3:05:02
Rank: #13874 (+283)
35K → 23M
10:02 | 8:01/mi
24M
3:12:54
Rank: #13697 (+177)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
3:19:49
Rank: #13553 (+144)
24M → 40K
6:55 | 8:05/mi
25.2M
3:22:44
Rank: #13453 (+100)
40K → 25.2M
2:55 | 8:27/mi
Finish· 26.22 mi
3:30:07
Rank: #13248 (+205)
25.2M → Finish
7:23 | 7:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:49
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:46:18
Pace8:07 /mi
📊Positive Split: 2.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0724:307:5324:30
7:53
-
10K
6.21 mi11:15:0649:297:5824:59
8:02
+0:09
15K
9.32 mi11:39:251:13:487:5524:19
7:50
-0:12
20K
12.43 mi12:04:121:38:357:5624:47
7:59
+0:09
Half
13.11 mi12:09:261:43:497:555:14
7:40
-0:19
25K
15.53 mi12:29:102:03:337:5719:44
8:08
+0:28
30K
18.64 mi12:55:132:29:368:0226:03
8:23
+0:15
20M
20.00 mi13:06:292:40:528:0311:16
8:17
-0:06
21M
21.00 mi13:14:522:49:158:048:23
8:23
+0:06
35K
21.75 mi13:20:372:55:008:035:45
7:41
-0:42
23M
23.00 mi13:30:393:05:028:0310:02
8:01
+0:20
24M
24.00 mi13:38:313:12:548:027:52
7:52
-0:09
40K
24.85 mi13:45:263:19:498:026:55
8:05
+0:13
25.2M
25.20 mi13:48:213:22:448:032:55
8:27
+0:22
Finish
26.22 mi13:55:443:30:078:017:23
7:15
-1:12

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

7:15 /mi

Average Pace

8:01 /mi

Slowest Pace

8:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:15:03

36% of race

Time at Steady Pace

2:15:04

64% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi10:50:0724:307:5324:30
7:53
#15536
10K
6.21 mi11:15:0649:297:5824:59
8:02
#16201
15K
9.32 mi11:39:251:13:487:5524:19
7:50
#15650
20K
12.43 mi12:04:121:38:357:5624:47
7:59
#15393
Half
13.11 mi12:09:261:43:497:555:14
7:40
#15263
25K
15.53 mi12:29:102:03:337:5719:44
8:08
#15181
30K
18.64 mi12:55:132:29:368:0226:03
8:23
#14927
20M
20.00 mi13:06:292:40:528:0311:16
8:17
#14689
21M
21.00 mi13:14:522:49:158:048:23
8:23
#14348
35K
21.75 mi13:20:372:55:008:035:45
7:41
#14157
23M
23.00 mi13:30:393:05:028:0310:02
8:01
#13874
24M
24.00 mi13:38:313:12:548:027:52
7:52
#13697
40K
24.85 mi13:45:263:19:498:026:55
8:05
#13553
25.2M
25.20 mi13:48:213:22:448:032:55
8:27
#13453
Finish
26.22 mi13:55:443:30:078:017:23
7:15
#13248
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi15536106361063614588(Top 51%)10187(Top 63%)10187(Top 453%)
10K6.21 mi3.10 mi16201-66510885-24910885-24916762(Top 59%)11140(Top 69%)11140(Top 496%)
15K9.32 mi3.11 mi15650+55110675+21010675+21014588(Top 51%)10187(Top 63%)10187(Top 453%)
20K12.43 mi3.11 mi15393+25710543+13210543+13214735(Top 52%)10192(Top 63%)10192(Top 454%)
Half13.11 mi0.68 mi15263+13010484+5910484+5913118(Top 46%)9517(Top 59%)9517(Top 424%)
25K15.53 mi2.42 mi15181+8210424+6010424+6014876(Top 52%)10142(Top 63%)10142(Top 451%)
30K18.64 mi3.11 mi14927+25410253+17110253+17114039(Top 49%)9608(Top 60%)9608(Top 428%)
20M20.00 mi1.36 mi14689+23810125+12810125+12812421(Top 44%)8740(Top 54%)8740(Top 389%)
21M21.00 mi1.00 mi14348+3419958+1679958+1679750(Top 34%)7242(Top 45%)7242(Top 322%)
35K21.75 mi0.75 mi14157+1919846+1129846+1129976(Top 35%)7376(Top 46%)7376(Top 328%)
23M23.00 mi1.25 mi13874+2839681+1659681+16510117(Top 36%)7302(Top 45%)7302(Top 325%)
24M24.00 mi1.00 mi13697+1779570+1119570+11110326(Top 36%)7346(Top 46%)7346(Top 327%)
40K24.85 mi0.85 mi13553+1449484+869484+8610774(Top 38%)7452(Top 46%)7452(Top 332%)
25.2M25.20 mi0.35 mi13453+1009429+559429+558564(Top 30%)6249(Top 39%)6249(Top 278%)
Finish26.22 mi1.02 mi13248+2059316+1139316+1137367(Top 26%)5552(Top 34%)5552(Top 247%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21stories
+97ft-345ft

Overall

14588

Males

10187

M40-44

10187

5K→10K

3.1 - 6.2 mi

Top 59%
×5stories
+79ft-138ft

Overall

16762

Males

11140

M40-44

11140

10K→15K

6.2 - 9.3 mi

Top 51%
×3stories
+67ft-78ft

Overall

14588

Males

10187

M40-44

10187

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14735

Males

10192

M40-44

10192

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

13118

Males

9517

M40-44

9517

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

14876

Males

10142

M40-44

10142

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

14039

Males

9608

M40-44

9608

30K→20M

18.6 - 20.0 mi

Top 44%
×5stories
+64ft-50ft

Overall

12421

Males

8740

M40-44

8740

20M→21M

20.0 - 21.0 mi

Top 34%
×8stories
+106ft-24ft

Overall

9750

Males

7242

M40-44

7242

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9976

Males

7376

M40-44

7376

35K→23M

21.8 - 23.0 mi

Top 36%
×5stories
+23ft-63ft

Overall

10117

Males

7302

M40-44

7302

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10326

Males

7346

M40-44

7346

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10774

Males

7452

M40-44

7452

40K→25.2M

24.9 - 25.2 mi

Top 30%
×1story
+13ft-16ft

Overall

8564

Males

6249

M40-44

6249

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

7367

Males

5552

M40-44

5552

Passing Analysis

Category:
Athletes Passed
3495
Passed By
1207
Net Change
+2288
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15536
5K → 10K116781-665#15536#16201
10K → 15K58231+551#16201#15650
15K → 20K33982+257#15650#15393
20K → Half1311+130#15393#15263
Half → 25K206124+82#15263#15181
25K → 30K374120+254#15181#14927
30K → 20M25921+238#14927#14689
20M → 21M3421+341#14689#14348
21M → 35K1943+191#14348#14157
35K → 23M29613+283#14157#13874
23M → 24M1858+177#13874#13697
24M → 40K16016+144#13697#13553
40K → 25.2M1033+100#13553#13453
25.2M → Finish2083+205#13453#13248
TOTALS34951207+2288
📊

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