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BOSTON MARATHON 2025

Kevin Burmaster

Bib: 853•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Masters (Masters Men)
#0 / 10463
Top 0.6%
Division (M40-44)
#0 / 2247
Top 2%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:45
Rank: #451
Start → 5K
17:45 | 5:43/mi
10K· 6.21 mi
35:49
Rank: #542 (-91)
5K → 10K
18:04 | 5:49/mi
15K· 9.32 mi
54:11
Rank: #596 (-54)
10K → 15K
18:22 | 5:55/mi
20K· 12.43 mi
1:12:44
Rank: #619 (-23)
15K → 20K
18:33 | 5:58/mi
Half· 13.11 mi
1:16:45
Rank: #625 (-6)
20K → Half
4:01 | 5:53/mi
25K· 15.53 mi
1:31:18
Rank: #638 (-13)
Half → 25K
14:33 | 6:00/mi
30K· 18.64 mi
1:50:16
Rank: #627 (+11)
25K → 30K
18:58 | 6:06/mi
20M
1:58:32
Rank: #609 (+18)
30K → 20M
8:16 | 6:05/mi
21M
2:05:03
Rank: #594 (+15)
20M → 21M
6:31 | 6:31/mi
35K· 21.75 mi
2:09:23
Rank: #582 (+12)
21M → 35K
4:20 | 5:48/mi
23M
2:17:00
Rank: #567 (+15)
35K → 23M
7:37 | 6:05/mi
24M
2:22:55
Rank: #556 (+11)
23M → 24M
5:55 | 5:55/mi
40K· 24.85 mi
2:28:04
Rank: #540 (+16)
24M → 40K
5:09 | 6:01/mi
25.2M
2:30:19
Rank: #532 (+8)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:36:12
Rank: #515 (+17)
25.2M → Finish
5:53 | 5:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:45
Pace5:51 /mi
2nd Half
Distance13.11 mi
Time1:19:27
Pace6:04 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:0117:455:4317:45
5:43
-
10K
6.21 mi10:36:0535:495:4618:04
5:49
+0:06
15K
9.32 mi10:54:2754:115:4918:22
5:55
+0:06
20K
12.43 mi11:13:001:12:445:5118:33
5:58
+0:03
Half
13.11 mi11:17:011:16:455:514:01
5:53
-0:05
25K
15.53 mi11:31:341:31:185:5314:33
6:00
+0:07
30K
18.64 mi11:50:321:50:165:5518:58
6:06
+0:06
20M
20.00 mi11:58:481:58:325:568:16
6:05
-0:01
21M
21.00 mi12:05:192:05:035:576:31
6:31
+0:26
35K
21.75 mi12:09:392:09:235:574:20
5:48
-0:43
23M
23.00 mi12:17:162:17:005:577:37
6:05
+0:17
24M
24.00 mi12:23:112:22:555:575:55
5:55
-0:10
40K
24.85 mi12:28:202:28:045:575:09
6:01
+0:06
25.2M
25.20 mi12:30:352:30:195:582:15
6:31
+0:30
Finish
26.22 mi12:36:282:36:125:585:53
5:46
-0:45

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

5:43 /mi

Average Pace

5:58 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:26

94% of race

Time at Steady Pace

8:46

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:57 /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 mi10:18:0117:455:4317:45
5:43
#451
10K
6.21 mi10:36:0535:495:4618:04
5:49
#542
15K
9.32 mi10:54:2754:115:4918:22
5:55
#596
20K
12.43 mi11:13:001:12:445:5118:33
5:58
#619
Half
13.11 mi11:17:011:16:455:514:01
5:53
#625
25K
15.53 mi11:31:341:31:185:5314:33
6:00
#638
30K
18.64 mi11:50:321:50:165:5518:58
6:06
#627
20M
20.00 mi11:58:481:58:325:568:16
6:05
#609
21M
21.00 mi12:05:192:05:035:576:31
6:31
#594
35K
21.75 mi12:09:392:09:235:574:20
5:48
#582
23M
23.00 mi12:17:162:17:005:577:37
6:05
#567
24M
24.00 mi12:23:112:22:555:575:55
5:55
#556
40K
24.85 mi12:28:202:28:045:575:09
6:01
#540
25.2M
25.20 mi12:30:352:30:195:582:15
6:31
#532
Finish
26.22 mi12:36:282:36:125:585:53
5:46
#515
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi451413413779(Top 3%)729(Top 5%)729(Top 32%)
10K6.21 mi3.10 mi542-91504-91504-91637(Top 2%)593(Top 4%)593(Top 26%)
15K9.32 mi3.11 mi596-54552-48552-48779(Top 3%)729(Top 5%)729(Top 32%)
20K12.43 mi3.11 mi619-23573-21573-21793(Top 3%)744(Top 5%)744(Top 33%)
Half13.11 mi0.68 mi625-6579-6579-6781(Top 3%)735(Top 5%)735(Top 33%)
25K15.53 mi2.42 mi638-13591-12591-12792(Top 3%)742(Top 5%)742(Top 33%)
30K18.64 mi3.11 mi627+11580+11580+11686(Top 2%)642(Top 4%)642(Top 29%)
20M20.00 mi1.36 mi609+18562+18562+18503(Top 2%)471(Top 3%)471(Top 21%)
21M21.00 mi1.00 mi594+15549+13549+13707(Top 2%)668(Top 4%)668(Top 30%)
35K21.75 mi0.75 mi582+12537+12537+12369(Top 1%)344(Top 2%)344(Top 15%)
23M23.00 mi1.25 mi567+15522+15522+15454(Top 2%)427(Top 3%)427(Top 19%)
24M24.00 mi1.00 mi556+11512+10512+10422(Top 1%)393(Top 2%)393(Top 17%)
40K24.85 mi0.85 mi540+16497+15497+15418(Top 1%)388(Top 2%)388(Top 17%)
25.2M25.20 mi0.35 mi532+8489+8489+8476(Top 2%)441(Top 3%)441(Top 20%)
Finish26.22 mi1.02 mi515+17475+14475+14464(Top 2%)435(Top 3%)435(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

779

Males

729

M40-44

729

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

637

Males

593

M40-44

593

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

779

Males

729

M40-44

729

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

793

Males

744

M40-44

744

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

781

Males

735

M40-44

735

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

792

Males

742

M40-44

742

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

686

Males

642

M40-44

642

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

503

Males

471

M40-44

471

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

707

Males

668

M40-44

668

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

369

Males

344

M40-44

344

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

454

Males

427

M40-44

427

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

422

Males

393

M40-44

393

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

418

Males

388

M40-44

388

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

476

Males

441

M40-44

441

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

464

Males

435

M40-44

435

Passing Analysis

Category:
Athletes Passed
227
Passed By
291
Net Change
-64
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#451
5K → 10K495-91#451#542
10K → 15K660-54#542#596
15K → 20K1639-23#596#619
20K → Half17-6#619#625
Half → 25K2235-13#625#638
25K → 30K3524+11#638#627
30K → 20M235+18#627#609
20M → 21M227+15#609#594
21M → 35K131+12#594#582
35K → 23M205+15#582#567
23M → 24M165+11#567#556
24M → 40K204+16#556#540
40K → 25.2M91+8#540#532
25.2M → Finish203+17#532#515
TOTALS227291-64
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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