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BOSTON MARATHON 2025

Brian Burlas

Bib: 4295•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 21%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:27
Rank: #4429
Start → 5K
20:27 | 6:35/mi
10K· 6.21 mi
40:56
Rank: #4395 (+34)
5K → 10K
20:29 | 6:36/mi
15K· 9.32 mi
1:01:32
Rank: #4410 (-15)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:22:11
Rank: #4281 (+129)
15K → 20K
20:39 | 6:39/mi
Half· 13.11 mi
1:26:37
Rank: #4224 (+57)
20K → Half
4:26 | 6:30/mi
25K· 15.53 mi
1:42:46
Rank: #4104 (+120)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:03:53
Rank: #3921 (+183)
25K → 30K
21:07 | 6:48/mi
20M
2:13:14
Rank: #3845 (+76)
30K → 20M
9:21 | 6:53/mi
21M
2:20:18
Rank: #3726 (+119)
20M → 21M
7:04 | 7:04/mi
35K· 21.75 mi
2:25:23
Rank: #3730 (-4)
21M → 35K
5:05 | 6:48/mi
23M
2:34:16
Rank: #3721 (+9)
35K → 23M
8:53 | 7:06/mi
24M
2:41:08
Rank: #3715 (+6)
23M → 24M
6:52 | 6:52/mi
40K· 24.85 mi
2:47:10
Rank: #3696 (+19)
24M → 40K
6:02 | 7:03/mi
25.2M
2:49:47
Rank: #3676 (+20)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:56:51
Rank: #3705 (-29)
25.2M → Finish
7:04 | 6:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:37
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:30:14
Pace6:53 /mi
📊Positive Split: 4.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1320:276:3520:27
6:35
-
10K
6.21 mi10:43:4240:566:3520:29
6:36
+0:01
15K
9.32 mi11:04:181:01:326:3620:36
6:38
+0:02
20K
12.43 mi11:24:571:22:116:3720:39
6:39
+0:01
Half
13.11 mi11:29:231:26:376:364:26
6:30
-0:09
25K
15.53 mi11:45:321:42:466:3716:09
6:40
+0:10
30K
18.64 mi12:06:392:03:536:3921:07
6:48
+0:08
20M
20.00 mi12:16:002:13:146:409:21
6:53
+0:05
21M
21.00 mi12:23:042:20:186:417:04
7:04
+0:11
35K
21.75 mi12:28:092:25:236:415:05
6:48
-0:16
23M
23.00 mi12:37:022:34:166:428:53
7:06
+0:18
24M
24.00 mi12:43:542:41:086:436:52
6:52
-0:14
40K
24.85 mi12:49:562:47:106:446:02
7:03
+0:11
25.2M
25.20 mi12:52:332:49:476:442:37
7:35
+0:32
Finish
26.22 mi12:59:372:56:516:457:04
6:56
-0:39

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

6:30 /mi

Average Pace

6:45 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:14

99% of race

Time at Steady Pace

2:37

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:45 /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 mi10:23:1320:276:3520:27
6:35
#4429
10K
6.21 mi10:43:4240:566:3520:29
6:36
#4395
15K
9.32 mi11:04:181:01:326:3620:36
6:38
#4410
20K
12.43 mi11:24:571:22:116:3720:39
6:39
#4281
Half
13.11 mi11:29:231:26:376:364:26
6:30
#4224
25K
15.53 mi11:45:321:42:466:3716:09
6:40
#4104
30K
18.64 mi12:06:392:03:536:3921:07
6:48
#3921
20M
20.00 mi12:16:002:13:146:409:21
6:53
#3845
21M
21.00 mi12:23:042:20:186:417:04
7:04
#3726
35K
21.75 mi12:28:092:25:236:415:05
6:48
#3730
23M
23.00 mi12:37:022:34:166:428:53
7:06
#3721
24M
24.00 mi12:43:542:41:086:436:52
6:52
#3715
40K
24.85 mi12:49:562:47:106:446:02
7:03
#3696
25.2M
25.20 mi12:52:332:49:476:442:37
7:35
#3676
Finish
26.22 mi12:59:372:56:516:457:04
6:56
#3705
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4429416541654479(Top 16%)4196(Top 26%)4196(Top 74%)
10K6.21 mi3.10 mi4395+344134+314134+314406(Top 16%)4131(Top 26%)4131(Top 73%)
15K9.32 mi3.11 mi4410-154146-124146-124479(Top 16%)4196(Top 26%)4196(Top 74%)
20K12.43 mi3.11 mi4281+1294025+1214025+1213976(Top 14%)3738(Top 23%)3738(Top 66%)
Half13.11 mi0.68 mi4224+573972+533972+533628(Top 13%)3428(Top 21%)3428(Top 61%)
25K15.53 mi2.42 mi4104+1203857+1153857+1153850(Top 14%)3605(Top 22%)3605(Top 64%)
30K18.64 mi3.11 mi3921+1833687+1703687+1703420(Top 12%)3186(Top 20%)3186(Top 56%)
20M20.00 mi1.36 mi3845+763616+713616+713371(Top 12%)3117(Top 19%)3117(Top 55%)
21M21.00 mi1.00 mi3726+1193503+1133503+1132530(Top 9%)2356(Top 15%)2356(Top 42%)
35K21.75 mi0.75 mi3730-43506-33506-34036(Top 14%)3611(Top 22%)3611(Top 64%)
23M23.00 mi1.25 mi3721+93491+153491+154273(Top 15%)3785(Top 24%)3785(Top 67%)
24M24.00 mi1.00 mi3715+63471+203471+203877(Top 14%)3430(Top 21%)3430(Top 61%)
40K24.85 mi0.85 mi3696+193450+213450+214192(Top 15%)3629(Top 23%)3629(Top 64%)
25.2M25.20 mi0.35 mi3676+203429+213429+213759(Top 13%)3241(Top 20%)3241(Top 57%)
Finish26.22 mi1.02 mi3705-293445-163445-165277(Top 19%)4288(Top 27%)4288(Top 76%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4479

Males

4196

M18-39

4196

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4406

Males

4131

M18-39

4131

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4479

Males

4196

M18-39

4196

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3976

Males

3738

M18-39

3738

20K→Half

12.4 - 13.1 mi

Top 13%
×2stories
+19ft-37ft

Overall

3628

Males

3428

M18-39

3428

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3850

Males

3605

M18-39

3605

25K→30K

15.5 - 18.6 mi

Top 12%
×9stories
+181ft-148ft

Overall

3420

Males

3186

M18-39

3186

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3371

Males

3117

M18-39

3117

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2530

Males

2356

M18-39

2356

21M→35K

21.0 - 21.8 mi

Top 14%
×7stories
+17ft-86ft

Overall

4036

Males

3611

M18-39

3611

35K→23M

21.8 - 23.0 mi

Top 15%
×5stories
+23ft-63ft

Overall

4273

Males

3785

M18-39

3785

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3877

Males

3430

M18-39

3430

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4192

Males

3629

M18-39

3629

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3759

Males

3241

M18-39

3241

25.2M→Finish

25.2 - 26.2 mi

Top 19%
×2stories
+22ft-21ft

Overall

5277

Males

4288

M18-39

4288

Passing Analysis

Category:
Athletes Passed
1363
Passed By
639
Net Change
+724
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4429
5K → 10K160126+34#4429#4395
10K → 15K93108-15#4395#4410
15K → 20K16839+129#4410#4281
20K → Half603+57#4281#4224
Half → 25K15434+120#4224#4104
25K → 30K22340+183#4104#3921
30K → 20M9418+76#3921#3845
20M → 21M1234+119#3845#3726
21M → 35K3034-4#3726#3730
35K → 23M6556+9#3730#3721
23M → 24M5650+6#3721#3715
24M → 40K5536+19#3715#3696
40K → 25.2M3818+20#3696#3676
25.2M → Finish4473-29#3676#3705
TOTALS1363639+724
📊

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