Boston Marathon logo
BOSTON MARATHON 2025

Bartlomiej Przymusinski

Bib: 6923•M

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M45-49)
#0 / 2386
Top 35%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #5350
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:52
Rank: #5727 (-377)
5K → 10K
21:05 | 6:47/mi
15K· 9.32 mi
1:02:59
Rank: #5782 (-55)
10K → 15K
21:07 | 6:48/mi
20K· 12.43 mi
1:24:42
Rank: #6075 (-293)
15K → 20K
21:43 | 6:59/mi
Half· 13.11 mi
1:29:28
Rank: #6169 (-94)
20K → Half
4:46 | 6:59/mi
25K· 15.53 mi
1:46:51
Rank: #6399 (-230)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:10:41
Rank: #6736 (-337)
25K → 30K
23:50 | 7:40/mi
20M
2:21:27
Rank: #6850 (-114)
30K → 20M
10:46 | 7:55/mi
21M
2:29:55
Rank: #6980 (-130)
20M → 21M
8:28 | 8:28/mi
35K· 21.75 mi
2:35:35
Rank: #7025 (-45)
21M → 35K
5:40 | 7:34/mi
23M
2:45:33
Rank: #7096 (-71)
35K → 23M
9:58 | 7:58/mi
24M
2:53:18
Rank: #7144 (-48)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
3:00:09
Rank: #7202 (-58)
24M → 40K
6:51 | 8:01/mi
25.2M
3:03:06
Rank: #7224 (-22)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:10:33
Rank: #7215 (+9)
25.2M → Finish
7:27 | 7:19/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:28
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:41:05
Pace7:43 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:0120:476:4120:47
6:41
-
10K
6.21 mi10:48:0641:526:4421:05
6:47
+0:06
15K
9.32 mi11:09:131:02:596:4521:07
6:48
+0:01
20K
12.43 mi11:30:561:24:426:4921:43
6:59
+0:11
Half
13.11 mi11:35:421:29:286:494:46
6:59
0:00
25K
15.53 mi11:53:051:46:516:5317:23
7:10
+0:11
30K
18.64 mi12:16:552:10:417:0123:50
7:40
+0:30
20M
20.00 mi12:27:412:21:277:0410:46
7:55
+0:15
21M
21.00 mi12:36:092:29:557:088:28
8:28
+0:33
35K
21.75 mi12:41:492:35:357:095:40
7:34
-0:54
23M
23.00 mi12:51:472:45:337:129:58
7:58
+0:24
24M
24.00 mi12:59:322:53:187:137:45
7:45
-0:13
40K
24.85 mi13:06:233:00:097:156:51
8:01
+0:16
25.2M
25.20 mi13:09:203:03:067:162:57
8:33
+0:32
Finish
26.22 mi13:16:473:10:337:167:27
7:19
-1:14

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

6:41 /mi

Average Pace

7:16 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:51

56% of race

Time at Steady Pace

44:42

23% of race

Time at Slower Pace

39:00

20% of race

Average Pace: 7:16 /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 mi10:27:0120:476:4120:47
6:41
#5350
10K
6.21 mi10:48:0641:526:4421:05
6:47
#5727
15K
9.32 mi11:09:131:02:596:4521:07
6:48
#5782
20K
12.43 mi11:30:561:24:426:4921:43
6:59
#6075
Half
13.11 mi11:35:421:29:286:494:46
6:59
#6169
25K
15.53 mi11:53:051:46:516:5317:23
7:10
#6399
30K
18.64 mi12:16:552:10:417:0123:50
7:40
#6736
20M
20.00 mi12:27:412:21:277:0410:46
7:55
#6850
21M
21.00 mi12:36:092:29:557:088:28
8:28
#6980
35K
21.75 mi12:41:492:35:357:095:40
7:34
#7025
23M
23.00 mi12:51:472:45:337:129:58
7:58
#7096
24M
24.00 mi12:59:322:53:187:137:45
7:45
#7144
40K
24.85 mi13:06:233:00:097:156:51
8:01
#7202
25.2M
25.20 mi13:09:203:03:067:162:57
8:33
#7224
Finish
26.22 mi13:16:473:10:337:167:27
7:19
#7215
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi5350497449746057(Top 21%)5507(Top 34%)5507(Top 231%)
10K6.21 mi3.10 mi5727-3775285-3115285-3116232(Top 22%)5669(Top 35%)5669(Top 238%)
15K9.32 mi3.11 mi5782-555317-325317-326057(Top 21%)5507(Top 34%)5507(Top 231%)
20K12.43 mi3.11 mi6075-2935545-2285545-2286810(Top 24%)6063(Top 38%)6063(Top 254%)
Half13.11 mi0.68 mi6169-945618-735618-737429(Top 26%)6519(Top 40%)6519(Top 273%)
25K15.53 mi2.42 mi6399-2305784-1665784-1667379(Top 26%)6364(Top 40%)6364(Top 267%)
30K18.64 mi3.11 mi6736-3376010-2266010-2268975(Top 32%)7121(Top 44%)7121(Top 298%)
20M20.00 mi1.36 mi6850-1146071-616071-619876(Top 35%)7457(Top 46%)7457(Top 313%)
21M21.00 mi1.00 mi6980-1306138-676138-6710210(Top 36%)7460(Top 46%)7460(Top 313%)
35K21.75 mi0.75 mi7025-456156-186156-189102(Top 32%)6892(Top 43%)6892(Top 289%)
23M23.00 mi1.25 mi7096-716161-56161-59702(Top 34%)7070(Top 44%)7070(Top 296%)
24M24.00 mi1.00 mi7144-486159+26159+29416(Top 33%)6850(Top 43%)6850(Top 287%)
40K24.85 mi0.85 mi7202-586170-116170-1110232(Top 36%)7145(Top 44%)7145(Top 299%)
25.2M25.20 mi0.35 mi7224-226171-16171-19002(Top 32%)6421(Top 40%)6421(Top 269%)
Finish26.22 mi1.02 mi7215+96140+316140+317815(Top 28%)5793(Top 36%)5793(Top 243%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

6057

Males

5507

M45-49

5507

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6232

Males

5669

M45-49

5669

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

6057

Males

5507

M45-49

5507

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6810

Males

6063

M45-49

6063

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7429

Males

6519

M45-49

6519

Half→25K

13.1 - 15.5 mi

Top 26%
×4stories
+66ft-88ft

Overall

7379

Males

6364

M45-49

6364

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8975

Males

7121

M45-49

7121

30K→20M

18.6 - 20.0 mi

Top 35%
×5stories
+64ft-50ft

Overall

9876

Males

7457

M45-49

7457

20M→21M

20.0 - 21.0 mi

Top 36%
×8stories
+106ft-24ft

Overall

10210

Males

7460

M45-49

7460

21M→35K

21.0 - 21.8 mi

Top 32%
×7stories
+17ft-86ft

Overall

9102

Males

6892

M45-49

6892

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9702

Males

7070

M45-49

7070

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9416

Males

6850

M45-49

6850

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

10232

Males

7145

M45-49

7145

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9002

Males

6421

M45-49

6421

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7815

Males

5793

M45-49

5793

Passing Analysis

Category:
Athletes Passed
795
Passed By
2660
Net Change
-1865
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5350
5K → 10K58435-377#5350#5727
10K → 15K102157-55#5727#5782
15K → 20K76369-293#5782#6075
20K → Half296-94#6075#6169
Half → 25K68298-230#6169#6399
25K → 30K94431-337#6399#6736
30K → 20M56170-114#6736#6850
20M → 21M58188-130#6850#6980
21M → 35K3580-45#6980#7025
35K → 23M69140-71#7025#7096
23M → 24M53101-48#7096#7144
24M → 40K43101-58#7144#7202
40K → 25.2M2244-22#7202#7224
25.2M → Finish5950+9#7224#7215
TOTALS7952660-1865
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing