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BOSTON MARATHON 2025

Michael Barychewsky

Bib: 9781•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
Masters (Masters Men)
#0 / 10463
Top 37%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:26
Rank: #9629
Start → 5K
22:26 | 7:13/mi
10K· 6.21 mi
44:57
Rank: #9746 (-117)
5K → 10K
22:31 | 7:15/mi
15K· 9.32 mi
1:07:30
Rank: #9680 (+66)
10K → 15K
22:33 | 7:15/mi
20K· 12.43 mi
1:30:37
Rank: #9794 (-114)
15K → 20K
23:07 | 7:26/mi
Half· 13.11 mi
1:35:38
Rank: #9828 (-34)
20K → Half
5:01 | 7:21/mi
25K· 15.53 mi
1:54:03
Rank: #9920 (-92)
Half → 25K
18:25 | 7:36/mi
30K· 18.64 mi
2:18:36
Rank: #10009 (-89)
25K → 30K
24:33 | 7:54/mi
20M
2:29:35
Rank: #10047 (-38)
30K → 20M
10:59 | 8:05/mi
21M
2:38:08
Rank: #10088 (-41)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:44:09
Rank: #10159 (-71)
21M → 35K
6:01 | 8:03/mi
23M
2:54:17
Rank: #10164 (-5)
35K → 23M
10:08 | 8:06/mi
24M
3:02:08
Rank: #10128 (+36)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
3:08:47
Rank: #10028 (+100)
24M → 40K
6:39 | 7:47/mi
25.2M
3:11:43
Rank: #9992 (+36)
40K → 25.2M
2:56 | 8:30/mi
Finish· 26.22 mi
3:19:12
Rank: #9892 (+100)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:38
Pace7:18 /mi
2nd Half
Distance13.11 mi
Time1:43:34
Pace7:54 /mi
📊Positive Split: 8.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:4922:267:1322:26
7:13
-
10K
6.21 mi11:11:2044:577:1422:31
7:15
+0:02
15K
9.32 mi11:33:531:07:307:1522:33
7:15
0:00
20K
12.43 mi11:57:001:30:377:1823:07
7:26
+0:11
Half
13.11 mi12:02:011:35:387:185:01
7:21
-0:05
25K
15.53 mi12:20:261:54:037:2118:25
7:36
+0:15
30K
18.64 mi12:44:592:18:367:2624:33
7:54
+0:18
20M
20.00 mi12:55:582:29:357:2910:59
8:05
+0:11
21M
21.00 mi13:04:312:38:087:328:33
8:33
+0:28
35K
21.75 mi13:10:322:44:097:336:01
8:03
-0:30
23M
23.00 mi13:20:402:54:177:3510:08
8:06
+0:03
24M
24.00 mi13:28:313:02:087:357:51
7:51
-0:15
40K
24.85 mi13:35:103:08:477:366:39
7:47
-0:04
25.2M
25.20 mi13:38:063:11:437:362:56
8:30
+0:43
Finish
26.22 mi13:45:353:19:127:367:29
7:21
-1:09

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

7:13 /mi

Average Pace

7:36 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:35

81% of race

Time at Steady Pace

30:04

15% of race

Time at Slower Pace

8:33

4% of race

Average Pace: 7:36 /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 mi10:48:4922:267:1322:26
7:13
#9629
10K
6.21 mi11:11:2044:577:1422:31
7:15
#9746
15K
9.32 mi11:33:531:07:307:1522:33
7:15
#9680
20K
12.43 mi11:57:001:30:377:1823:07
7:26
#9794
Half
13.11 mi12:02:011:35:387:185:01
7:21
#9828
25K
15.53 mi12:20:261:54:037:2118:25
7:36
#9920
30K
18.64 mi12:44:592:18:367:2624:33
7:54
#10009
20M
20.00 mi12:55:582:29:357:2910:59
8:05
#10047
21M
21.00 mi13:04:312:38:087:328:33
8:33
#10088
35K
21.75 mi13:10:322:44:097:336:01
8:03
#10159
23M
23.00 mi13:20:402:54:177:3510:08
8:06
#10164
24M
24.00 mi13:28:313:02:087:357:51
7:51
#10128
40K
24.85 mi13:35:103:08:477:366:39
7:47
#10028
25.2M
25.20 mi13:38:063:11:437:362:56
8:30
#9992
Finish
26.22 mi13:45:353:19:127:367:29
7:21
#9892
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9629796879689620(Top 34%)7881(Top 49%)7881(Top 330%)
10K6.21 mi3.10 mi9746-1178027-598027-599894(Top 35%)8080(Top 50%)8080(Top 339%)
15K9.32 mi3.11 mi9680+667968+597968+599620(Top 34%)7881(Top 49%)7881(Top 330%)
20K12.43 mi3.11 mi9794-1147995-277995-2710237(Top 36%)8128(Top 50%)8128(Top 341%)
Half13.11 mi0.68 mi9828-348013-188013-1810423(Top 37%)8236(Top 51%)8236(Top 345%)
25K15.53 mi2.42 mi9920-928026-138026-1310711(Top 38%)8245(Top 51%)8245(Top 346%)
30K18.64 mi3.11 mi10009-898025+18025+110628(Top 37%)7988(Top 50%)7988(Top 335%)
20M20.00 mi1.36 mi10047-388008+178008+1710957(Top 39%)8005(Top 50%)8005(Top 335%)
21M21.00 mi1.00 mi10088-417982+267982+2610770(Top 38%)7750(Top 48%)7750(Top 325%)
35K21.75 mi0.75 mi10159-717990-87990-812486(Top 44%)8547(Top 53%)8547(Top 358%)
23M23.00 mi1.25 mi10164-57944+467944+4610676(Top 38%)7571(Top 47%)7571(Top 317%)
24M24.00 mi1.00 mi10128+367897+477897+4710161(Top 36%)7242(Top 45%)7242(Top 304%)
40K24.85 mi0.85 mi10028+1007818+797818+798602(Top 30%)6309(Top 39%)6309(Top 264%)
25.2M25.20 mi0.35 mi9992+367783+357783+358790(Top 31%)6349(Top 39%)6349(Top 266%)
Finish26.22 mi1.02 mi9892+1007702+817702+818067(Top 28%)5952(Top 37%)5952(Top 249%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9620

Males

7881

M45-49

7881

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9894

Males

8080

M45-49

8080

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9620

Males

7881

M45-49

7881

15K→20K

9.3 - 12.4 mi

Top 36%
×5stories
+106ft-86ft

Overall

10237

Males

8128

M45-49

8128

20K→Half

12.4 - 13.1 mi

Top 37%
×2stories
+19ft-37ft

Overall

10423

Males

8236

M45-49

8236

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10711

Males

8245

M45-49

8245

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

10628

Males

7988

M45-49

7988

30K→20M

18.6 - 20.0 mi

Top 39%
×5stories
+64ft-50ft

Overall

10957

Males

8005

M45-49

8005

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10770

Males

7750

M45-49

7750

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12486

Males

8547

M45-49

8547

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10676

Males

7571

M45-49

7571

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10161

Males

7242

M45-49

7242

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8602

Males

6309

M45-49

6309

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8790

Males

6349

M45-49

6349

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

8067

Males

5952

M45-49

5952

Passing Analysis

Category:
Athletes Passed
1638*
Passed By
1895
Net Change
-263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9629
5K → 10K182298-117#9629#9746
10K → 15K205138+66#9746#9680
15K → 20K147261-114#9680#9794
20K → Half2660-34#9794#9828
Half → 25K123215-92#9828#9920
25K → 30K202290-89#9920#10009
30K → 20M110147-38#10009#10047
20M → 21M91131-41#10047#10088
21M → 35K47117-71#10088#10159
35K → 23M102107-5#10159#10164
23M → 24M9660+36#10164#10128
24M → 40K12828+100#10128#10028
40K → 25.2M57*21+36#10028#9992
25.2M → Finish12222+100#9992#9892
TOTALS1638*1895-263

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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