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BOSTON MARATHON 2025

Harrison Burt

Bib: 29703•M

DC

0:00
0:00
/ mi
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Overall
#0 / 28404
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
30:01
Rank: #24726
Start → 5K
9:40/mi
30:01 split
10K· 6.21 mi
59:08
Rank: #24227 (+499)
5K → 10K
9:22/mi
29:07 split
15K· 9.32 mi
1:29:02
Rank: #24175 (+52)
10K → 15K
9:37/mi
29:54 split
20K· 12.43 mi
1:58:42
Rank: #23880 (+295)
15K → 20K
9:33/mi
29:40 split
Half· 13.11 mi
2:05:05
Rank: #23844 (+36)
20K → Half
9:21/mi
6:23 split
25K· 15.53 mi
2:28:27
Rank: #23577 (+267)
Half → 25K
9:38/mi
23:22 split
30K· 18.64 mi
3:00:38
Rank: #23378 (+199)
25K → 30K
10:22/mi
32:11 split
20M
3:14:23
Rank: #23207 (+171)
30K → 20M
10:07/mi
13:45 split
21M
3:25:06
Rank: #23061 (+146)
20M → 21M
10:43/mi
10:43 split
35K· 21.75 mi
3:32:46
Rank: #23024 (+37)
21M → 35K
10:15/mi
7:40 split
23M
3:45:45
Rank: #22937 (+87)
35K → 23M
10:22/mi
12:59 split
24M
3:55:57
Rank: #22883 (+54)
23M → 24M
10:12/mi
10:12 split
40K· 24.85 mi
4:04:43
Rank: #22808 (+75)
24M → 40K
10:15/mi
8:46 split
25.2M
4:08:24
Rank: #22764 (+44)
40K → 25.2M
10:41/mi
3:41 split
Finish· 26.22 mi
4:17:12
Rank: #22622 (+142)
25.2M → Finish
8:38/mi
8:48 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:05:05
Pace9:32 /mi
2nd Half
Distance13.11 mi
Time2:12:07
Pace10:05 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1930:019:4030:01
9:40
-
10K
6.21 mi12:19:2659:089:3129:07
9:22
-0:18
15K
9.32 mi12:49:201:29:029:3329:54
9:37
+0:15
20K
12.43 mi13:19:001:58:429:3329:40
9:33
-0:04
Half
13.11 mi13:25:232:05:059:326:23
9:21
-0:12
25K
15.53 mi13:48:452:28:279:3323:22
9:38
+0:17
30K
18.64 mi14:20:563:00:389:4132:11
10:22
+0:44
20M
20.00 mi14:34:413:14:239:4313:45
10:07
-0:15
21M
21.00 mi14:45:243:25:069:4610:43
10:43
+0:36
35K
21.75 mi14:53:043:32:469:477:40
10:15
-0:28
23M
23.00 mi15:06:033:45:459:4912:59
10:22
+0:07
24M
24.00 mi15:16:153:55:579:5010:12
10:12
-0:10
40K
24.85 mi15:25:014:04:439:518:46
10:15
+0:03
25.2M
25.20 mi15:28:424:08:249:513:41
10:41
+0:26
Finish
26.22 mi15:37:304:17:129:498:48
8:38
-2:03

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

8:38 /mi

Average Pace

9:49 /mi

Slowest Pace

10:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:37:15

61% of race

Time at Steady Pace

1:25:33

33% of race

Time at Slower Pace

14:24

6% of race

Average Pace: 9:49 /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 mi11:50:1930:019:4030:01
9:40
#24726
10K
6.21 mi12:19:2659:089:3129:07
9:22
#24227
15K
9.32 mi12:49:201:29:029:3329:54
9:37
#24175
20K
12.43 mi13:19:001:58:429:3329:40
9:33
#23880
Half
13.11 mi13:25:232:05:059:326:23
9:21
#23844
25K
15.53 mi13:48:452:28:279:3323:22
9:38
#23577
30K
18.64 mi14:20:563:00:389:4132:11
10:22
#23378
20M
20.00 mi14:34:413:14:239:4313:45
10:07
#23207
21M
21.00 mi14:45:243:25:069:4610:43
10:43
#23061
35K
21.75 mi14:53:043:32:469:477:40
10:15
#23024
23M
23.00 mi15:06:033:45:459:4912:59
10:22
#22937
24M
24.00 mi15:16:153:55:579:5010:12
10:12
#22883
40K
24.85 mi15:25:014:04:439:518:46
10:15
#22808
25.2M
25.20 mi15:28:424:08:249:513:41
10:41
#22764
Finish
26.22 mi15:37:304:17:129:498:48
8:38
#22622
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24726145861458624079(Top 85%)14302(Top 89%)14302(Top 253%)
10K6.21 mi3.10 mi24227+49914354+23214354+23223753(Top 84%)14148(Top 88%)14148(Top 251%)
15K9.32 mi3.11 mi24175+5214342+1214342+1224079(Top 85%)14302(Top 89%)14302(Top 253%)
20K12.43 mi3.11 mi23880+29514191+15114191+15123047(Top 81%)13812(Top 86%)13812(Top 245%)
Half13.11 mi0.68 mi23844+3614175+1614175+1623121(Top 81%)13840(Top 86%)13840(Top 245%)
25K15.53 mi2.42 mi23577+26714049+12614049+12622307(Top 79%)13431(Top 83%)13431(Top 238%)
30K18.64 mi3.11 mi23378+19913927+12213927+12222608(Top 80%)13437(Top 83%)13437(Top 238%)
20M20.00 mi1.36 mi23207+17113829+9813829+9821336(Top 75%)12743(Top 79%)12743(Top 226%)
21M21.00 mi1.00 mi23061+14613742+8713742+8720643(Top 73%)12327(Top 77%)12327(Top 218%)
35K21.75 mi0.75 mi23024+3713708+3413708+3422538(Top 79%)13177(Top 82%)13177(Top 234%)
23M23.00 mi1.25 mi22937+8713645+6313645+6321638(Top 76%)12698(Top 79%)12698(Top 225%)
24M24.00 mi1.00 mi22883+5413597+4813597+4821931(Top 77%)12777(Top 79%)12777(Top 226%)
40K24.85 mi0.85 mi22808+7513547+5013547+5021233(Top 75%)12397(Top 77%)12397(Top 220%)
25.2M25.20 mi0.35 mi22764+4413522+2513522+2519646(Top 69%)11629(Top 72%)11629(Top 206%)
Finish26.22 mi1.02 mi22622+14213435+8713435+8717082(Top 60%)10447(Top 65%)10447(Top 185%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

24079

Males

14302

M18-39

14302

5K→10K

3.1 - 6.2 mi

Top 84%
×5stories
+79ft-138ft

Overall

23753

Males

14148

M18-39

14148

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

24079

Males

14302

M18-39

14302

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

23047

Males

13812

M18-39

13812

20K→Half

12.4 - 13.1 mi

Top 81%
×2stories
+19ft-37ft

Overall

23121

Males

13840

M18-39

13840

Half→25K

13.1 - 15.5 mi

Top 79%
×4stories
+66ft-88ft

Overall

22307

Males

13431

M18-39

13431

25K→30K

15.5 - 18.6 mi

Top 80%
×9stories
+181ft-148ft

Overall

22608

Males

13437

M18-39

13437

30K→20M

18.6 - 20.0 mi

Top 75%
×5stories
+64ft-50ft

Overall

21336

Males

12743

M18-39

12743

20M→21M

20.0 - 21.0 mi

Top 73%
×8stories
+106ft-24ft

Overall

20643

Males

12327

M18-39

12327

21M→35K

21.0 - 21.8 mi

Top 79%
×7stories
+17ft-86ft

Overall

22538

Males

13177

M18-39

13177

35K→23M

21.8 - 23.0 mi

Top 76%
×5stories
+23ft-63ft

Overall

21638

Males

12698

M18-39

12698

23M→24M

23.0 - 24.0 mi

Top 77%
×6stories
+12ft-82ft

Overall

21931

Males

12777

M18-39

12777

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21233

Males

12397

M18-39

12397

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19646

Males

11629

M18-39

11629

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2stories
+22ft-21ft

Overall

17082

Males

10447

M18-39

10447

Passing Analysis

Category:
Athletes Passed
2491
Passed By
387
Net Change
+2104
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24726
5K → 10K53738+499#24726#24227
10K → 15K171119+52#24227#24175
15K → 20K31419+295#24175#23880
20K → Half448+36#23880#23844
Half → 25K28013+267#23844#23577
25K → 30K27071+199#23577#23378
30K → 20M1798+171#23378#23207
20M → 21M1559+146#23207#23061
21M → 35K5821+37#23061#23024
35K → 23M11528+87#23024#22937
23M → 24M8632+54#22937#22883
24M → 40K9318+75#22883#22808
40K → 25.2M451+44#22808#22764
25.2M → Finish1442+142#22764#22622
TOTALS2491387+2104
📊

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