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BOSTON MARATHON 2025

Luke Mason

Bib: 31082•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
26:52
Rank: #20727
Start → 5K
8:39/mi
26:52 split
10K· 6.21 mi
52:27
Rank: #19483 (+1244)
5K → 10K
8:14/mi
25:35 split
15K· 9.32 mi
1:18:24
Rank: #19094 (+389)
10K → 15K
8:21/mi
25:57 split
20K· 12.43 mi
1:43:45
Rank: #18301 (+793)
15K → 20K
8:10/mi
25:21 split
Half· 13.11 mi
1:49:20
Rank: #18229 (+72)
20K → Half
8:11/mi
5:35 split
25K· 15.53 mi
2:09:51
Rank: #17977 (+252)
Half → 25K
8:28/mi
20:31 split
30K· 18.64 mi
2:37:35
Rank: #17811 (+166)
25K → 30K
8:56/mi
27:44 split
20M
2:49:51
Rank: #17728 (+83)
30K → 20M
9:02/mi
12:16 split
21M
2:59:37
Rank: #17713 (+15)
20M → 21M
9:46/mi
9:46 split
35K· 21.75 mi
3:06:35
Rank: #17793 (-80)
21M → 35K
9:19/mi
6:58 split
23M
3:18:25
Rank: #17835 (-42)
35K → 23M
9:27/mi
11:50 split
24M
3:28:17
Rank: #18012 (-177)
23M → 24M
9:52/mi
9:52 split
40K· 24.85 mi
3:37:01
Rank: #18192 (-180)
24M → 40K
10:13/mi
8:44 split
25.2M
3:40:56
Rank: #18289 (-97)
40K → 25.2M
11:21/mi
3:55 split
Finish· 26.22 mi
3:49:46
Rank: #18271 (+18)
25.2M → Finish
8:40/mi
8:50 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:20
Pace8:20 /mi
2nd Half
Distance13.11 mi
Time2:00:26
Pace9:11 /mi
📊Positive Split: 10.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1326:528:3926:52
8:39
-
10K
6.21 mi12:15:4852:278:2625:35
8:14
-0:25
15K
9.32 mi12:41:451:18:248:2525:57
8:21
+0:07
20K
12.43 mi13:07:061:43:458:2125:21
8:10
-0:11
Half
13.11 mi13:12:411:49:208:205:35
8:11
+0:01
25K
15.53 mi13:33:122:09:518:2220:31
8:28
+0:17
30K
18.64 mi14:00:562:37:358:2727:44
8:56
+0:28
20M
20.00 mi14:13:122:49:518:3012:16
9:02
+0:06
21M
21.00 mi14:22:582:59:378:339:46
9:46
+0:44
35K
21.75 mi14:29:563:06:358:356:58
9:19
-0:27
23M
23.00 mi14:41:463:18:258:3811:50
9:27
+0:08
24M
24.00 mi14:51:383:28:178:419:52
9:52
+0:25
40K
24.85 mi15:00:223:37:018:448:44
10:13
+0:21
25.2M
25.20 mi15:04:173:40:568:463:55
11:21
+1:08
Finish
26.22 mi15:13:073:49:468:468:50
8:40
-2:41

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

8:10 /mi

Average Pace

8:46 /mi

Slowest Pace

11:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:59

45% of race

Time at Steady Pace

1:22:40

36% of race

Time at Slower Pace

44:07

19% of race

Average Pace: 8:46 /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 mi11:50:1326:528:3926:52
8:39
#20727
10K
6.21 mi12:15:4852:278:2625:35
8:14
#19483
15K
9.32 mi12:41:451:18:248:2525:57
8:21
#19094
20K
12.43 mi13:07:061:43:458:2125:21
8:10
#18301
Half
13.11 mi13:12:411:49:208:205:35
8:11
#18229
25K
15.53 mi13:33:122:09:518:2220:31
8:28
#17977
30K
18.64 mi14:00:562:37:358:2727:44
8:56
#17811
20M
20.00 mi14:13:122:49:518:3012:16
9:02
#17728
21M
21.00 mi14:22:582:59:378:339:46
9:46
#17713
35K
21.75 mi14:29:563:06:358:356:58
9:19
#17793
23M
23.00 mi14:41:463:18:258:3811:50
9:27
#17835
24M
24.00 mi14:51:383:28:178:419:52
9:52
#18012
40K
24.85 mi15:00:223:37:018:448:44
10:13
#18192
25.2M
25.20 mi15:04:173:40:568:463:55
11:21
#18289
Finish
26.22 mi15:13:073:49:468:468:50
8:40
#18271
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20727127391273918387(Top 65%)11788(Top 73%)11788(Top 209%)
10K6.21 mi3.10 mi19483+124412253+48612253+48618127(Top 64%)11698(Top 73%)11698(Top 207%)
15K9.32 mi3.11 mi19094+38912081+17212081+17218387(Top 65%)11788(Top 73%)11788(Top 209%)
20K12.43 mi3.11 mi18301+79311740+34111740+34116039(Top 56%)10761(Top 67%)10761(Top 191%)
Half13.11 mi0.68 mi18229+7211702+3811702+3817155(Top 60%)11256(Top 70%)11256(Top 200%)
25K15.53 mi2.42 mi17977+25211582+12011582+12016951(Top 60%)11081(Top 69%)11081(Top 196%)
30K18.64 mi3.11 mi17811+16611468+11411468+11417285(Top 61%)11059(Top 69%)11059(Top 196%)
20M20.00 mi1.36 mi17728+8311400+6811400+6816918(Top 60%)10783(Top 67%)10783(Top 191%)
21M21.00 mi1.00 mi17713+1511387+1311387+1317323(Top 61%)10839(Top 67%)10839(Top 192%)
35K21.75 mi0.75 mi17793-8011413-2611413-2619600(Top 69%)11777(Top 73%)11777(Top 209%)
23M23.00 mi1.25 mi17835-4211383+3011383+3018451(Top 65%)11196(Top 70%)11196(Top 198%)
24M24.00 mi1.00 mi18012-17711437-5411437-5420932(Top 74%)12306(Top 76%)12306(Top 218%)
40K24.85 mi0.85 mi18192-18011491-5411491-5421096(Top 74%)12325(Top 77%)12325(Top 218%)
25.2M25.20 mi0.35 mi18289-9711519-2811519-2821642(Top 76%)12599(Top 78%)12599(Top 223%)
Finish26.22 mi1.02 mi18271+1811493+2611493+2617258(Top 61%)10526(Top 65%)10526(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18387

Males

11788

M18-39

11788

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

18127

Males

11698

M18-39

11698

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18387

Males

11788

M18-39

11788

15K→20K

9.3 - 12.4 mi

Top 56%
×5story building
+106ft-86ft

Overall

16039

Males

10761

M18-39

10761

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

17155

Males

11256

M18-39

11256

Half→25K

13.1 - 15.5 mi

Top 60%
×4story building
+66ft-88ft

Overall

16951

Males

11081

M18-39

11081

25K→30K

15.5 - 18.6 mi

Top 61%
×9story building
+181ft-148ft

Overall

17285

Males

11059

M18-39

11059

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16918

Males

10783

M18-39

10783

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

17323

Males

10839

M18-39

10839

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

19600

Males

11777

M18-39

11777

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

18451

Males

11196

M18-39

11196

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20932

Males

12306

M18-39

12306

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

21096

Males

12325

M18-39

12325

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21642

Males

12599

M18-39

12599

25.2M→Finish

25.2 - 26.2 mi

Top 61%
×2story building
+22ft-21ft

Overall

17258

Males

10526

M18-39

10526

Passing Analysis

Category:
Athletes Passed
3747
Passed By
1291
Net Change
+2456
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20727
5K → 10K126925+1244#20727#19483
10K → 15K45162+389#19483#19094
15K → 20K8007+793#19094#18301
20K → Half808+72#18301#18229
Half → 25K29846+252#18229#17977
25K → 30K308142+166#17977#17811
30K → 20M15673+83#17811#17728
20M → 21M11196+15#17728#17713
21M → 35K41121-80#17713#17793
35K → 23M93135-42#17793#17835
23M → 24M36213-177#17835#18012
24M → 40K33213-180#18012#18192
40K → 25.2M6103-97#18192#18289
25.2M → Finish6547+18#18289#18271
TOTALS37471291+2456
📊

Passing Visuals

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