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BOSTON MARATHON 2025

Albert Brasel

Bib: 5937•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 42%
Gender (Male)
#0 / 16105
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
20:52
Rank: #5608
Start → 5K
20:52 | 6:43/mi
10K· 6.21 mi
41:19
Rank: #4930 (+678)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:50
Rank: #4663 (+267)
10K → 15K
20:31 | 6:36/mi
20K· 12.43 mi
1:22:45
Rank: #4627 (+36)
15K → 20K
20:55 | 6:44/mi
Half· 13.11 mi
1:27:18
Rank: #4638 (-11)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:45:02
Rank: #5374 (-736)
Half → 25K
17:44 | 7:19/mi
30K· 18.64 mi
2:10:37
Rank: #6717 (-1343)
25K → 30K
25:35 | 8:14/mi
20M
2:22:28
Rank: #7213 (-496)
30K → 20M
11:51 | 8:43/mi
21M
2:32:45
Rank: #7919 (-706)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
2:40:32
Rank: #8758 (-839)
21M → 35K
7:47 | 10:24/mi
23M
2:53:36
Rank: #9927 (-1169)
35K → 23M
13:04 | 10:26/mi
24M
3:02:36
Rank: #10295 (-368)
23M → 24M
9:00 | 9:00/mi
40K· 24.85 mi
3:09:45
Rank: #10354 (-59)
24M → 40K
7:09 | 8:22/mi
25.2M
3:12:43
Rank: #10325 (+29)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:25:43
Rank: #11899 (-1574)
25.2M → Finish
13:00 | 12:45/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:18
Pace6:40 /mi
2nd Half
Distance13.11 mi
Time1:58:25
Pace9:02 /mi
📊Positive Split: 35.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2620:526:4320:52
6:43
-
10K
6.21 mi10:45:5341:196:3920:27
6:35
-0:08
15K
9.32 mi11:06:241:01:506:3820:31
6:36
+0:01
20K
12.43 mi11:27:191:22:456:4020:55
6:44
+0:08
Half
13.11 mi11:31:521:27:186:404:33
6:40
-0:04
25K
15.53 mi11:49:361:45:026:4617:44
7:19
+0:39
30K
18.64 mi12:15:112:10:377:0025:35
8:14
+0:55
20M
20.00 mi12:27:022:22:287:0711:51
8:43
+0:29
21M
21.00 mi12:37:192:32:457:1610:17
10:17
+1:34
35K
21.75 mi12:45:062:40:327:237:47
10:24
+0:07
23M
23.00 mi12:58:102:53:367:3313:04
10:26
+0:02
24M
24.00 mi13:07:103:02:367:379:00
9:00
-1:26
40K
24.85 mi13:14:193:09:457:387:09
8:22
-0:38
25.2M
25.20 mi13:17:173:12:437:392:58
8:36
+0:14
Finish
26.22 mi13:30:173:25:437:5113:00
12:45
+4:09

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

6:35 /mi

Average Pace

7:51 /mi

Slowest Pace

12:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:02

51% of race

Time at Steady Pace

56:33

27% of race

Time at Slower Pace

44:08

21% of race

Average Pace: 7:51 /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 mi10:25:2620:526:4320:52
6:43
#5608
10K
6.21 mi10:45:5341:196:3920:27
6:35
#4930
15K
9.32 mi11:06:241:01:506:3820:31
6:36
#4663
20K
12.43 mi11:27:191:22:456:4020:55
6:44
#4627
Half
13.11 mi11:31:521:27:186:404:33
6:40
#4638
25K
15.53 mi11:49:361:45:026:4617:44
7:19
#5374
30K
18.64 mi12:15:112:10:377:0025:35
8:14
#6717
20M
20.00 mi12:27:022:22:287:0711:51
8:43
#7213
21M
21.00 mi12:37:192:32:457:1610:17
10:17
#7919
35K
21.75 mi12:45:062:40:327:237:47
10:24
#8758
23M
23.00 mi12:58:102:53:367:3313:04
10:26
#9927
24M
24.00 mi13:07:103:02:367:379:00
9:00
#10295
40K
24.85 mi13:14:193:09:457:387:09
8:22
#10354
25.2M
25.20 mi13:17:173:12:437:392:58
8:36
#10325
Finish
26.22 mi13:30:173:25:437:5113:00
12:45
#11899
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5608519351934279(Top 15%)4023(Top 25%)4023(Top 71%)
10K6.21 mi3.10 mi4930+6784601+5924601+5924333(Top 15%)4071(Top 25%)4071(Top 72%)
15K9.32 mi3.11 mi4663+2674365+2364365+2364279(Top 15%)4023(Top 25%)4023(Top 71%)
20K12.43 mi3.11 mi4627+364328+374328+374734(Top 17%)4388(Top 27%)4388(Top 78%)
Half13.11 mi0.68 mi4638-114335-74335-75092(Top 18%)4721(Top 29%)4721(Top 84%)
25K15.53 mi2.42 mi5374-7364950-6154950-6158466(Top 30%)7046(Top 44%)7046(Top 125%)
30K18.64 mi3.11 mi6717-13435994-10445994-104413048(Top 46%)9161(Top 57%)9161(Top 162%)
20M20.00 mi1.36 mi7213-4966331-3376331-33715164(Top 53%)9988(Top 62%)9988(Top 177%)
21M21.00 mi1.00 mi7919-7066755-4246755-42419278(Top 68%)11739(Top 73%)11739(Top 208%)
35K21.75 mi0.75 mi8758-8397244-4897244-48922937(Top 81%)13348(Top 83%)13348(Top 237%)
23M23.00 mi1.25 mi9927-11697828-5847828-58421824(Top 77%)12791(Top 79%)12791(Top 227%)
24M24.00 mi1.00 mi10295-3687988-1607988-16017336(Top 61%)10613(Top 66%)10613(Top 188%)
40K24.85 mi0.85 mi10354-597981+77981+712511(Top 44%)8281(Top 51%)8281(Top 147%)
25.2M25.20 mi0.35 mi10325+297947+347947+349408(Top 33%)6660(Top 41%)6660(Top 118%)
Finish26.22 mi1.02 mi11899-15748668-7218668-72127464(Top 97%)15542(Top 97%)15542(Top 275%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4279

Males

4023

M18-39

4023

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4333

Males

4071

M18-39

4071

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4279

Males

4023

M18-39

4023

15K→20K

9.3 - 12.4 mi

Top 17%
×5stories
+106ft-86ft

Overall

4734

Males

4388

M18-39

4388

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5092

Males

4721

M18-39

4721

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8466

Males

7046

M18-39

7046

25K→30K

15.5 - 18.6 mi

Top 46%
×9stories
+181ft-148ft

Overall

13048

Males

9161

M18-39

9161

30K→20M

18.6 - 20.0 mi

Top 53%
×5stories
+64ft-50ft

Overall

15164

Males

9988

M18-39

9988

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19278

Males

11739

M18-39

11739

21M→35K

21.0 - 21.8 mi

Top 81%
×7stories
+17ft-86ft

Overall

22937

Males

13348

M18-39

13348

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21824

Males

12791

M18-39

12791

23M→24M

23.0 - 24.0 mi

Top 61%
×6stories
+12ft-82ft

Overall

17336

Males

10613

M18-39

10613

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12511

Males

8281

M18-39

8281

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9408

Males

6660

M18-39

6660

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2stories
+22ft-21ft

Overall

27464

Males

15542

M18-39

15542

Passing Analysis

Category:
Athletes Passed
1352
Passed By
7640
Net Change
-6291
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5608
5K → 10K69820+678#5608#4930
10K → 15K28922+267#4930#4663
15K → 20K13296+36#4663#4627
20K → Half1930-11#4627#4638
Half → 25K19755-736#4638#5374
25K → 30K221365-1343#5374#6717
30K → 20M22518-496#6717#7213
20M → 21M6712-706#7213#7919
21M → 35K1840-839#7919#8758
35K → 23M61174-1169#8758#9927
23M → 24M24390-368#9927#10295
24M → 40K67126-59#10295#10354
40K → 25.2M4516+29#10354#10325
25.2M → Finish21576-1574#10325#11899
TOTALS13527640-6291
📊

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