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BOSTON MARATHON 2025

Burnis Brown

Bib: 32480•M

MA

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
30:29
Rank: #25119
Start → 5K
30:29 | 9:49/mi
10K· 6.21 mi
1:01:59
Rank: #25377 (-258)
5K → 10K
31:30 | 10:08/mi
15K· 9.32 mi
1:34:58
Rank: #25694 (-317)
10K → 15K
32:59 | 10:37/mi
20K· 12.43 mi
2:13:32
Rank: #26405 (-711)
15K → 20K
38:34 | 12:25/mi
Half· 13.11 mi
2:21:38
Rank: #26478 (-73)
20K → Half
8:06 | 11:52/mi
25K· 15.53 mi
2:53:14
Rank: #26714 (-236)
Half → 25K
31:36 | 13:02/mi
30K· 18.64 mi
3:42:14
Rank: #27221 (-507)
25K → 30K
49:00 | 15:46/mi
20M
4:00:42
Rank: #27220 (+1)
30K → 20M
18:28 | 13:35/mi
21M
4:15:11
Rank: #27206 (+14)
20M → 21M
14:29 | 14:29/mi
35K· 21.75 mi
4:25:24
Rank: #27231 (-25)
21M → 35K
10:13 | 13:39/mi
23M
4:46:20
Rank: #27393 (-162)
35K → 23M
20:56 | 16:43/mi
24M
4:59:41
Rank: #27388 (+5)
23M → 24M
13:21 | 13:21/mi
40K· 24.85 mi
5:10:34
Rank: #27351 (+37)
24M → 40K
10:53 | 12:44/mi
25.2M
5:15:08
Rank: #27334 (+17)
40K → 25.2M
4:34 | 13:15/mi
Finish· 26.22 mi
5:26:37
Rank: #27313 (+21)
25.2M → Finish
11:29 | 11:16/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:21:38
Pace10:48 /mi
2nd Half
Distance13.11 mi
Time3:04:59
Pace14:07 /mi
📊Positive Split: 30.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:57:0330:299:4930:29
9:49
-
10K
6.21 mi12:28:331:01:599:5931:30
10:08
+0:19
15K
9.32 mi13:01:321:34:5810:1132:59
10:37
+0:29
20K
12.43 mi13:40:062:13:3210:4538:34
12:25
+1:48
Half
13.11 mi13:48:122:21:3810:488:06
11:52
-0:33
25K
15.53 mi14:19:482:53:1411:0931:36
13:02
+1:10
30K
18.64 mi15:08:483:42:1411:5549:00
15:46
+2:44
20M
20.00 mi15:27:164:00:4212:0218:28
13:35
-2:11
21M
21.00 mi15:41:454:15:1112:0914:29
14:29
+0:54
35K
21.75 mi15:51:584:25:2412:1210:13
13:39
-0:50
23M
23.00 mi16:12:544:46:2012:2720:56
16:43
+3:04
24M
24.00 mi16:26:154:59:4112:2913:21
13:21
-3:22
40K
24.85 mi16:37:085:10:3412:3010:53
12:44
-0:37
25.2M
25.20 mi16:41:425:15:0812:304:34
13:15
+0:31
Finish
26.22 mi16:53:115:26:3712:2811:29
11:16
-1:59

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

9:49 /mi

Average Pace

12:28 /mi

Slowest Pace

16:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:33

35% of race

Time at Steady Pace

2:07:39

39% of race

Time at Slower Pace

1:24:25

26% of race

Average Pace: 12:27 /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 mi11:57:0330:299:4930:29
9:49
#25119
10K
6.21 mi12:28:331:01:599:5931:30
10:08
#25377
15K
9.32 mi13:01:321:34:5810:1132:59
10:37
#25694
20K
12.43 mi13:40:062:13:3210:4538:34
12:25
#26405
Half
13.11 mi13:48:122:21:3810:488:06
11:52
#26478
25K
15.53 mi14:19:482:53:1411:0931:36
13:02
#26714
30K
18.64 mi15:08:483:42:1411:5549:00
15:46
#27221
20M
20.00 mi15:27:164:00:4212:0218:28
13:35
#27220
21M
21.00 mi15:41:454:15:1112:0914:29
14:29
#27206
35K
21.75 mi15:51:584:25:2412:1210:13
13:39
#27231
23M
23.00 mi16:12:544:46:2012:2720:56
16:43
#27393
24M
24.00 mi16:26:154:59:4112:2913:21
13:21
#27388
40K
24.85 mi16:37:085:10:3412:3010:53
12:44
#27351
25.2M
25.20 mi16:41:425:15:0812:304:34
13:15
#27334
Finish
26.22 mi16:53:115:26:3712:2811:29
11:16
#27313
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi25119147851478526137(Top 92%)15208(Top 94%)15208(Top 270%)
10K6.21 mi3.10 mi25377-25814878-9314878-9325601(Top 90%)14958(Top 93%)14958(Top 265%)
15K9.32 mi3.11 mi25694-31715016-13815016-13826137(Top 92%)15208(Top 94%)15208(Top 270%)
20K12.43 mi3.11 mi26405-71115325-30915325-30927459(Top 97%)15711(Top 98%)15711(Top 278%)
Half13.11 mi0.68 mi26478-7315356-3115356-3127359(Top 96%)15669(Top 97%)15669(Top 278%)
25K15.53 mi2.42 mi26714-23615439-8315439-8327319(Top 96%)15646(Top 97%)15646(Top 277%)
30K18.64 mi3.11 mi27221-50715617-17815617-17828231(Top 99%)16001(Top 99%)16001(Top 284%)
20M20.00 mi1.36 mi27220+115614+315614+326987(Top 95%)15368(Top 95%)15368(Top 272%)
21M21.00 mi1.00 mi27206+1415604+1015604+1026701(Top 94%)15212(Top 94%)15212(Top 270%)
35K21.75 mi0.75 mi27231-25156041560427463(Top 97%)15560(Top 97%)15560(Top 276%)
23M23.00 mi1.25 mi27393-16215671-6715671-6728251(Top 99%)16004(Top 99%)16004(Top 284%)
24M24.00 mi1.00 mi27388+515660+1115660+1127198(Top 96%)15383(Top 96%)15383(Top 273%)
40K24.85 mi0.85 mi27351+3715635+2515635+2525980(Top 91%)14779(Top 92%)14779(Top 262%)
25.2M25.20 mi0.35 mi27334+1715628+715628+725366(Top 89%)14432(Top 90%)14432(Top 256%)
Finish26.22 mi1.02 mi27313+2115614+1415614+1425823(Top 91%)14698(Top 91%)14698(Top 261%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21stories
+97ft-345ft

Overall

26137

Males

15208

M18-39

15208

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25601

Males

14958

M18-39

14958

10K→15K

6.2 - 9.3 mi

Top 92%
×3stories
+67ft-78ft

Overall

26137

Males

15208

M18-39

15208

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27459

Males

15711

M18-39

15711

20K→Half

12.4 - 13.1 mi

Top 96%
×2stories
+19ft-37ft

Overall

27359

Males

15669

M18-39

15669

Half→25K

13.1 - 15.5 mi

Top 96%
×4stories
+66ft-88ft

Overall

27319

Males

15646

M18-39

15646

25K→30K

15.5 - 18.6 mi

Top 99%
×9stories
+181ft-148ft

Overall

28231

Males

16001

M18-39

16001

30K→20M

18.6 - 20.0 mi

Top 95%
×5stories
+64ft-50ft

Overall

26987

Males

15368

M18-39

15368

20M→21M

20.0 - 21.0 mi

Top 94%
×8stories
+106ft-24ft

Overall

26701

Males

15212

M18-39

15212

21M→35K

21.0 - 21.8 mi

Top 97%
×7stories
+17ft-86ft

Overall

27463

Males

15560

M18-39

15560

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28251

Males

16004

M18-39

16004

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27198

Males

15383

M18-39

15383

24M→40K

24.0 - 24.9 mi

Top 91%
×1story
+6ft-20ft

Overall

25980

Males

14779

M18-39

14779

40K→25.2M

24.9 - 25.2 mi

Top 89%
×1story
+13ft-16ft

Overall

25366

Males

14432

M18-39

14432

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2stories
+22ft-21ft

Overall

25823

Males

14698

M18-39

14698

Passing Analysis

Category:
Athletes Passed
386
Passed By
2580
Net Change
-2194
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25119
5K → 10K100358-258#25119#25377
10K → 15K49366-317#25377#25694
15K → 20K16727-711#25694#26405
20K → Half679-73#26405#26478
Half → 25K26262-236#26478#26714
25K → 30K9516-507#26714#27221
30K → 20M2928+1#27221#27220
20M → 21M2511+14#27220#27206
21M → 35K1136-25#27206#27231
35K → 23M2164-162#27231#27393
23M → 24M2419+5#27393#27388
24M → 40K436+37#27388#27351
40K → 25.2M170+17#27351#27334
25.2M → Finish298+21#27334#27313
TOTALS3862580-2194
📊

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