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BOSTON MARATHON 2025

Brian Baker

Bib: 10170•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:18
Rank: #9281
Start → 5K
22:18 | 7:11/mi
10K· 6.21 mi
44:10
Rank: #8703 (+578)
5K → 10K
21:52 | 7:02/mi
15K· 9.32 mi
1:06:34
Rank: #8854 (-151)
10K → 15K
22:24 | 7:13/mi
20K· 12.43 mi
1:30:04
Rank: #9396 (-542)
15K → 20K
23:30 | 7:34/mi
Half· 13.11 mi
1:35:25
Rank: #9681 (-285)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
1:55:45
Rank: #10905 (-1224)
Half → 25K
20:20 | 8:23/mi
30K· 18.64 mi
2:23:43
Rank: #12354 (-1449)
25K → 30K
27:58 | 9:00/mi
20M
2:36:55
Rank: #13091 (-737)
30K → 20M
13:12 | 9:43/mi
21M
2:47:03
Rank: #13516 (-425)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
2:54:15
Rank: #13858 (-342)
21M → 35K
7:12 | 9:37/mi
23M
3:07:20
Rank: #14632 (-774)
35K → 23M
13:05 | 10:27/mi
24M
3:17:42
Rank: #15165 (-533)
23M → 24M
10:22 | 10:22/mi
40K· 24.85 mi
3:26:45
Rank: #15543 (-378)
24M → 40K
9:03 | 10:35/mi
25.2M
3:30:33
Rank: #15652 (-109)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:39:55
Rank: #15838 (-186)
25.2M → Finish
9:22 | 9:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:25
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time2:04:30
Pace9:30 /mi
📊Positive Split: 30.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:0522:187:1122:18
7:11
-
10K
6.21 mi11:09:5744:107:0621:52
7:02
-0:09
15K
9.32 mi11:32:211:06:347:0922:24
7:13
+0:11
20K
12.43 mi11:55:511:30:047:1523:30
7:34
+0:21
Half
13.11 mi12:01:121:35:257:175:21
7:50
+0:16
25K
15.53 mi12:21:321:55:457:2720:20
8:23
+0:33
30K
18.64 mi12:49:302:23:437:4327:58
9:00
+0:37
20M
20.00 mi13:02:422:36:557:5113:12
9:43
+0:43
21M
21.00 mi13:12:502:47:037:5710:08
10:08
+0:25
35K
21.75 mi13:20:022:54:158:017:12
9:37
-0:31
23M
23.00 mi13:33:073:07:208:0913:05
10:27
+0:50
24M
24.00 mi13:43:293:17:428:1410:22
10:22
-0:05
40K
24.85 mi13:52:323:26:458:199:03
10:35
+0:13
25.2M
25.20 mi13:56:203:30:338:213:48
11:01
+0:26
Finish
26.22 mi14:05:423:39:558:249:22
9:11
-1:50

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

7:02 /mi

Average Pace

8:24 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:45

53% of race

Time at Steady Pace

57:44

26% of race

Time at Slower Pace

46:26

21% of race

Average Pace: 8:23 /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 mi10:48:0522:187:1122:18
7:11
#9281
10K
6.21 mi11:09:5744:107:0621:52
7:02
#8703
15K
9.32 mi11:32:211:06:347:0922:24
7:13
#8854
20K
12.43 mi11:55:511:30:047:1523:30
7:34
#9396
Half
13.11 mi12:01:121:35:257:175:21
7:50
#9681
25K
15.53 mi12:21:321:55:457:2720:20
8:23
#10905
30K
18.64 mi12:49:302:23:437:4327:58
9:00
#12354
20M
20.00 mi13:02:422:36:557:5113:12
9:43
#13091
21M
21.00 mi13:12:502:47:037:5710:08
10:08
#13516
35K
21.75 mi13:20:022:54:158:017:12
9:37
#13858
23M
23.00 mi13:33:073:07:208:0913:05
10:27
#14632
24M
24.00 mi13:43:293:17:428:1410:22
10:22
#15165
40K
24.85 mi13:52:323:26:458:199:03
10:35
#15543
25.2M
25.20 mi13:56:203:30:338:213:48
11:01
#15652
Finish
26.22 mi14:05:423:39:558:249:22
9:11
#15838
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi9281776377639218(Top 32%)7672(Top 48%)7672(Top 384%)
10K6.21 mi3.10 mi8703+5787426+3377426+3378213(Top 29%)7117(Top 44%)7117(Top 357%)
15K9.32 mi3.11 mi8854-1517500-747500-749218(Top 32%)7672(Top 48%)7672(Top 384%)
20K12.43 mi3.11 mi9396-5427774-2747774-27411279(Top 40%)8638(Top 54%)8638(Top 433%)
Half13.11 mi0.68 mi9681-2857931-1577931-15714577(Top 51%)10158(Top 63%)10158(Top 509%)
25K15.53 mi2.42 mi10905-12248541-6108541-61016468(Top 58%)10849(Top 67%)10849(Top 544%)
30K18.64 mi3.11 mi12354-14499136-5959136-59517691(Top 62%)11229(Top 70%)11229(Top 563%)
20M20.00 mi1.36 mi13091-7379424-2889424-28819971(Top 70%)12140(Top 75%)12140(Top 608%)
21M21.00 mi1.00 mi13516-4259579-1559579-15518772(Top 66%)11498(Top 71%)11498(Top 576%)
35K21.75 mi0.75 mi13858-3429710-1319710-13120735(Top 73%)12311(Top 76%)12311(Top 617%)
23M23.00 mi1.25 mi14632-77410025-31510025-31521867(Top 77%)12811(Top 80%)12811(Top 642%)
24M24.00 mi1.00 mi15165-53310222-19710222-19722431(Top 79%)13013(Top 81%)13013(Top 652%)
40K24.85 mi0.85 mi15543-37810349-12710349-12722133(Top 78%)12801(Top 79%)12801(Top 641%)
25.2M25.20 mi0.35 mi15652-10910387-3810387-3820642(Top 73%)12089(Top 75%)12089(Top 606%)
Finish26.22 mi1.02 mi15838-18610442-5510442-5519893(Top 70%)11749(Top 73%)11749(Top 589%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9218

Males

7672

M50-54

7672

5K→10K

3.1 - 6.2 mi

Top 29%
×5stories
+79ft-138ft

Overall

8213

Males

7117

M50-54

7117

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9218

Males

7672

M50-54

7672

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

11279

Males

8638

M50-54

8638

20K→Half

12.4 - 13.1 mi

Top 51%
×2stories
+19ft-37ft

Overall

14577

Males

10158

M50-54

10158

Half→25K

13.1 - 15.5 mi

Top 58%
×4stories
+66ft-88ft

Overall

16468

Males

10849

M50-54

10849

25K→30K

15.5 - 18.6 mi

Top 62%
×9stories
+181ft-148ft

Overall

17691

Males

11229

M50-54

11229

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

19971

Males

12140

M50-54

12140

20M→21M

20.0 - 21.0 mi

Top 66%
×8stories
+106ft-24ft

Overall

18772

Males

11498

M50-54

11498

21M→35K

21.0 - 21.8 mi

Top 73%
×7stories
+17ft-86ft

Overall

20735

Males

12311

M50-54

12311

35K→23M

21.8 - 23.0 mi

Top 77%
×5stories
+23ft-63ft

Overall

21867

Males

12811

M50-54

12811

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

22431

Males

13013

M50-54

13013

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22133

Males

12801

M50-54

12801

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20642

Males

12089

M50-54

12089

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2stories
+22ft-21ft

Overall

19893

Males

11749

M50-54

11749

Passing Analysis

Category:
Athletes Passed
1001
Passed By
7556
Net Change
-6557
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9281
5K → 10K62446+578#9281#8703
10K → 15K114265-151#8703#8854
15K → 20K62604-542#8854#9396
20K → Half1286-285#9396#9681
Half → 25K251247-1224#9681#10905
25K → 30K361485-1449#10905#12354
30K → 20M28765-737#12354#13091
20M → 21M28453-425#13091#13516
21M → 35K8350-342#13516#13858
35K → 23M16790-774#13858#14632
23M → 24M15548-533#14632#15165
24M → 40K13391-378#15165#15543
40K → 25.2M7116-109#15543#15652
25.2M → Finish24210-186#15652#15838
TOTALS10017556-6557
📊

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