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BOSTON MARATHON 2025

Brett Larner

Bib: 7671•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 15%
Division (M50-54)
#0 / 1996
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:56
Rank: #5766
Start → 5K
6:44/mi
20:56 split
10K· 6.21 mi
42:11
Rank: #6180 (-414)
5K → 10K
6:50/mi
21:15 split
15K· 9.32 mi
1:03:15
Rank: #6048 (+132)
10K → 15K
6:47/mi
21:04 split
20K· 12.43 mi
1:24:26
Rank: #5888 (+160)
15K → 20K
6:49/mi
21:11 split
Half· 13.11 mi
1:29:02
Rank: #5876 (+12)
20K → Half
6:45/mi
4:36 split
25K· 15.53 mi
1:45:34
Rank: #5679 (+197)
Half → 25K
6:49/mi
16:32 split
30K· 18.64 mi
2:06:52
Rank: #5211 (+468)
25K → 30K
6:51/mi
21:18 split
20M
2:16:15
Rank: #5025 (+186)
30K → 20M
6:54/mi
9:23 split
21M
2:23:37
Rank: #4937 (+88)
20M → 21M
7:22/mi
7:22 split
35K· 21.75 mi
2:28:48
Rank: #4902 (+35)
21M → 35K
6:56/mi
5:11 split
23M
2:37:45
Rank: #4865 (+37)
35K → 23M
7:09/mi
8:57 split
24M
2:44:44
Rank: #4832 (+33)
23M → 24M
6:59/mi
6:59 split
40K· 24.85 mi
2:51:07
Rank: #4917 (-85)
24M → 40K
7:28/mi
6:23 split
25.2M
2:53:57
Rank: #4937 (-20)
40K → 25.2M
8:13/mi
2:50 split
Finish· 26.22 mi
3:01:42
Rank: #5051 (-114)
25.2M → Finish
7:36/mi
7:45 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:02
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:32:40
Pace7:04 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:4320:566:4420:56
6:44
-
10K
6.21 mi10:48:5842:116:4721:15
6:50
+0:06
15K
9.32 mi11:10:021:03:156:4721:04
6:47
-0:03
20K
12.43 mi11:31:131:24:266:4821:11
6:49
+0:02
Half
13.11 mi11:35:491:29:026:474:36
6:45
-0:04
25K
15.53 mi11:52:211:45:346:4816:32
6:49
+0:04
30K
18.64 mi12:13:392:06:526:4821:18
6:51
+0:02
20M
20.00 mi12:23:022:16:156:499:23
6:54
+0:03
21M
21.00 mi12:30:242:23:376:507:22
7:22
+0:28
35K
21.75 mi12:35:352:28:486:515:11
6:56
-0:26
23M
23.00 mi12:44:322:37:456:528:57
7:09
+0:13
24M
24.00 mi12:51:312:44:446:526:59
6:59
-0:10
40K
24.85 mi12:57:542:51:076:536:23
7:28
+0:29
25.2M
25.20 mi13:00:442:53:576:542:50
8:13
+0:45
Finish
26.22 mi13:08:293:01:426:567:45
7:36
-0:37

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

6:44 /mi

Average Pace

6:56 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:28:25

82% of race

Time at Slower Pace

33:17

18% of race

Average Pace: 6:56 /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 mi10:27:4320:566:4420:56
6:44
#5766
10K
6.21 mi10:48:5842:116:4721:15
6:50
#6180
15K
9.32 mi11:10:021:03:156:4721:04
6:47
#6048
20K
12.43 mi11:31:131:24:266:4821:11
6:49
#5888
Half
13.11 mi11:35:491:29:026:474:36
6:45
#5876
25K
15.53 mi11:52:211:45:346:4816:32
6:49
#5679
30K
18.64 mi12:13:392:06:526:4821:18
6:51
#5211
20M
20.00 mi12:23:022:16:156:499:23
6:54
#5025
21M
21.00 mi12:30:242:23:376:507:22
7:22
#4937
35K
21.75 mi12:35:352:28:486:515:11
6:56
#4902
23M
23.00 mi12:44:322:37:456:528:57
7:09
#4865
24M
24.00 mi12:51:312:44:446:526:59
6:59
#4832
40K
24.85 mi12:57:542:51:076:536:23
7:28
#4917
25.2M
25.20 mi13:00:442:53:576:542:50
8:13
#4937
Finish
26.22 mi13:08:293:01:426:567:45
7:36
#5051
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi5766531853185877(Top 21%)5351(Top 33%)5351(Top 268%)
10K6.21 mi3.10 mi6180-4145660-3425660-3426763(Top 24%)6092(Top 38%)6092(Top 305%)
15K9.32 mi3.11 mi6048+1325537+1235537+1235877(Top 21%)5351(Top 33%)5351(Top 268%)
20K12.43 mi3.11 mi5888+1605396+1415396+1415470(Top 19%)4997(Top 31%)4997(Top 250%)
Half13.11 mi0.68 mi5876+125384+125384+125579(Top 20%)5099(Top 32%)5099(Top 255%)
25K15.53 mi2.42 mi5679+1975210+1745210+1745005(Top 18%)4592(Top 29%)4592(Top 230%)
30K18.64 mi3.11 mi5211+4684794+4164794+4163781(Top 13%)3495(Top 22%)3495(Top 175%)
20M20.00 mi1.36 mi5025+1864628+1664628+1663550(Top 12%)3272(Top 20%)3272(Top 164%)
21M21.00 mi1.00 mi4937+884550+784550+783942(Top 14%)3577(Top 22%)3577(Top 179%)
35K21.75 mi0.75 mi4902+354510+404510+404888(Top 17%)4300(Top 27%)4300(Top 215%)
23M23.00 mi1.25 mi4865+374469+414469+414570(Top 16%)4002(Top 25%)4002(Top 201%)
24M24.00 mi1.00 mi4832+334431+384431+384517(Top 16%)3910(Top 24%)3910(Top 196%)
40K24.85 mi0.85 mi4917-854493-624493-626561(Top 23%)5168(Top 32%)5168(Top 259%)
25.2M25.20 mi0.35 mi4937-204505-124505-127047(Top 25%)5337(Top 33%)5337(Top 267%)
Finish26.22 mi1.02 mi5051-1144589-844589-849910(Top 35%)6919(Top 43%)6919(Top 347%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21story building
+97ft-345ft

Overall

5877

Males

5351

M50-54

5351

5K→10K

3.1 - 6.2 mi

Top 24%
×5story building
+79ft-138ft

Overall

6763

Males

6092

M50-54

6092

10K→15K

6.2 - 9.3 mi

Top 21%
×3story building
+67ft-78ft

Overall

5877

Males

5351

M50-54

5351

15K→20K

9.3 - 12.4 mi

Top 19%
×5story building
+106ft-86ft

Overall

5470

Males

4997

M50-54

4997

20K→Half

12.4 - 13.1 mi

Top 20%
×2story building
+19ft-37ft

Overall

5579

Males

5099

M50-54

5099

Half→25K

13.1 - 15.5 mi

Top 18%
×4story building
+66ft-88ft

Overall

5005

Males

4592

M50-54

4592

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3781

Males

3495

M50-54

3495

30K→20M

18.6 - 20.0 mi

Top 12%
×5story building
+64ft-50ft

Overall

3550

Males

3272

M50-54

3272

20M→21M

20.0 - 21.0 mi

Top 14%
×8story building
+106ft-24ft

Overall

3942

Males

3577

M50-54

3577

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4888

Males

4300

M50-54

4300

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4570

Males

4002

M50-54

4002

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4517

Males

3910

M50-54

3910

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6561

Males

5168

M50-54

5168

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7047

Males

5337

M50-54

5337

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9910

Males

6919

M50-54

6919

Passing Analysis

Category:
Athletes Passed
1845
Passed By
1130
Net Change
+715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5766
5K → 10K76490-414#5766#6180
10K → 15K20674+132#6180#6048
15K → 20K21454+160#6048#5888
20K → Half3119+12#5888#5876
Half → 25K22326+197#5876#5679
25K → 30K4768+468#5679#5211
30K → 20M1937+186#5211#5025
20M → 21M11527+88#5025#4937
21M → 35K6833+35#4937#4902
35K → 23M9659+37#4902#4865
23M → 24M7845+33#4865#4832
24M → 40K34119-85#4832#4917
40K → 25.2M2343-20#4917#4937
25.2M → Finish12126-114#4937#5051
TOTALS18451130+715
📊

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