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BOSTON MARATHON 2025

Brian Free

MO

Bib: 7711 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 19%
Gender (Male)
#0 / 16105
Top 30%
Masters (Masters Men)
#0 / 10463
Top 16%
Division (M40-44)
#0 / 2247
Top 40%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:59/mi
21:41
↑ 97↓ 345
10K· 6.21 mi
6:51/mi
42:58
↑ 79↓ 138
15K· 9.32 mi
6:50/mi
1:04:13
↑ 67↓ 78
20K· 12.43 mi
6:47/mi
1:25:19
↑ 106↓ 86
Half· 13.11 mi
6:42/mi
1:29:53
↑ 19↓ 37
25K· 15.53 mi
6:48/mi
1:46:22
↑ 66↓ 88
30K· 18.64 mi
6:57/mi
2:07:59
↑ 181↓ 148
20M
7:05/mi
2:17:37
↑ 64↓ 50
21M
7:56/mi
2:25:33
↑ 106↓ 24
35K· 21.75 mi
6:41/mi
2:30:33
↑ 17↓ 86
23M
8:13/mi
2:40:50
↑ 23↓ 63
24M
6:56/mi
2:47:46
↓ 82
40K· 24.85 mi
7:02/mi
2:53:47
↓ 20
25.2M
8:01/mi
2:56:33
↑ 13↓ 16
Finish· 26.22 mi
6:50/mi
3:03:31
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:29:536:51 /mi⚡ faster
2nd Half
1:33:387:09 /mi+4.2%
Positive split — 4.2% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
21:416:593.11 mi21:41
6:59
-
10K
42:586:553.10 mi21:17
6:51
-0:08
15K
1:04:136:533.11 mi21:15
6:50
-0:01
20K
1:25:196:523.11 mi21:06
6:47
-0:03
Half(13.11 mi)
1:29:536:510.68 mi4:34
6:42
-0:05
25K
1:46:226:512.42 mi16:29
6:48
+0:06
30K
2:07:596:523.11 mi21:37
6:57
+0:09
20M
2:17:376:531.36 mi9:38
7:05
+0:08
21M
2:25:336:561.00 mi7:56
7:56
+0:51
35K
2:30:336:550.75 mi5:00
6:41
-1:15
23M
2:40:507:001.25 mi10:17
8:13
+1:32
24M
2:47:466:591.00 mi6:56
6:56
-1:17
40K
2:53:477:000.85 mi6:01
7:02
+0:06
25.2M
2:56:337:000.35 mi2:46
8:01
+0:59
Finish(26.22 mi)
3:03:317:001.02 mi6:58
6:50
-1:11
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:41 /mi

Average Pace

7:00 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

5:00

3% of race

Time at Steady Pace

2:37:32

86% of race

Time at Slower Pace

20:59

11% of race

Average Pace: 7:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi765367636763648058545854
10K3.10 mi7258+3956485+2786485+278686261716171
15K3.11 mi6999+2596283+2026283+202648058545854
20K3.11 mi6545+4545917+3665917+366521848074807
Half(13.11 mi)0.68 mi6470+755851+665851+66525048454845
25K2.42 mi6140+3305568+2835568+283487544834483
30K3.11 mi5712+4285209+3595209+359444340664066
20M1.36 mi5602+1105116+935116+93462941994199
21M1.00 mi5641-395136-205136-20696956595659
35K0.75 mi5550+915053+835053+83345131503150
23M1.25 mi5758-2085192-1395192-1391140479347934
24M1.00 mi5637+1215085+1075085+107427537563756
40K0.85 mi5525+1124986+994986+99414536033603
25.2M0.35 mi5495+304953+334953+33604047664766
Finish(26.22 mi)1.02 mi5420+754883+704883+70471839423942

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 23%
×21story building
+97ft-345ft

Overall

6480

Males

5854

M40-44

5854

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6862

Males

6171

M40-44

6171

10K→15K

6.2 - 9.3 mi

Top 23%
×3story building
+67ft-78ft

Overall

6480

Males

5854

M40-44

5854

15K→20K

9.3 - 12.4 mi

Top 18%
×5story building
+106ft-86ft

Overall

5218

Males

4807

M40-44

4807

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5250

Males

4845

M40-44

4845

Half→25K

13.1 - 15.5 mi

Top 17%
×4story building
+66ft-88ft

Overall

4875

Males

4483

M40-44

4483

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4443

Males

4066

M40-44

4066

30K→20M

18.6 - 20.0 mi

Top 16%
×5story building
+64ft-50ft

Overall

4629

Males

4199

M40-44

4199

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6969

Males

5659

M40-44

5659

21M→35K

21.0 - 21.8 mi

Top 12%
×7story building
+17ft-86ft

Overall

3451

Males

3150

M40-44

3150

35K→23M

21.8 - 23.0 mi

Top 40%
×5story building
+23ft-63ft

Overall

11404

Males

7934

M40-44

7934

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4275

Males

3756

M40-44

3756

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4145

Males

3603

M40-44

3603

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

6040

Males

4766

M40-44

4766

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4718

Males

3942

M40-44

3942

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#7653
5K → 10K
57452+395
#7653 → #7258
10K → 15K
28287+259
#7258 → #6999
15K → 20K
7461+454
#6999 → #6545
20K → Half
277+75
#6545 → #6470
Half → 25K
11341+330
#6470 → #6140
25K → 30K
14442+428
#6140 → #5712
30K → 20M
24134+110
#5712 → #5602
20M → 21M
9354-39
#5602 → #5641
21M → 35K
192+91
#5641 → #5550
35K → 23M
24335-208
#5550 → #5758
23M → 24M
4125+121
#5758 → #5637
24M → 40K
7119+112
#5637 → #5525
40K → 25.2M
1141+30
#5525 → #5495
25.2M → Finish
1388+75
#5495 → #5420
TOTALS
5152748+2233
#7653 → #5420

Passing Visualized

Category:
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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