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BOSTON MARATHON 2025

Brian Labenz

Bib: 6158•M

NE

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 14%
Division (M40-44)
#0 / 2247
Top 36%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:59
Rank: #3337
Start → 5K
19:59 | 6:26/mi
10K· 6.21 mi
39:53
Rank: #3190 (+147)
5K → 10K
19:54 | 6:24/mi
15K· 9.32 mi
1:00:03
Rank: #3275 (-85)
10K → 15K
20:10 | 6:29/mi
20K· 12.43 mi
1:20:37
Rank: #3412 (-137)
15K → 20K
20:34 | 6:37/mi
Half· 13.11 mi
1:25:07
Rank: #3452 (-40)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:41:43
Rank: #3674 (-222)
Half → 25K
16:36 | 6:51/mi
30K· 18.64 mi
2:04:29
Rank: #4145 (-471)
25K → 30K
22:46 | 7:20/mi
20M
2:14:51
Rank: #4448 (-303)
30K → 20M
10:22 | 7:38/mi
21M
2:23:11
Rank: #4756 (-308)
20M → 21M
8:20 | 8:20/mi
35K· 21.75 mi
2:28:30
Rank: #4794 (-38)
21M → 35K
5:19 | 7:06/mi
23M
2:37:47
Rank: #4876 (-82)
35K → 23M
9:17 | 7:25/mi
24M
2:44:56
Rank: #4918 (-42)
23M → 24M
7:09 | 7:09/mi
40K· 24.85 mi
2:51:11
Rank: #4933 (-15)
24M → 40K
6:15 | 7:19/mi
25.2M
2:54:02
Rank: #4959 (-26)
40K → 25.2M
2:51 | 8:16/mi
Finish· 26.22 mi
3:01:19
Rank: #4981 (-22)
25.2M → Finish
7:17 | 7:09/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:07
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:36:12
Pace7:20 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:5419:596:2619:59
6:26
-
10K
6.21 mi10:44:4839:536:2519:54
6:24
-0:02
15K
9.32 mi11:04:581:00:036:2720:10
6:29
+0:05
20K
12.43 mi11:25:321:20:376:2920:34
6:37
+0:08
Half
13.11 mi11:30:021:25:076:304:30
6:36
-0:01
25K
15.53 mi11:46:381:41:436:3316:36
6:51
+0:15
30K
18.64 mi12:09:242:04:296:4122:46
7:20
+0:29
20M
20.00 mi12:19:462:14:516:4510:22
7:38
+0:18
21M
21.00 mi12:28:062:23:116:498:20
8:20
+0:42
35K
21.75 mi12:33:252:28:306:505:19
7:06
-1:14
23M
23.00 mi12:42:422:37:476:529:17
7:25
+0:19
24M
24.00 mi12:49:512:44:566:527:09
7:09
-0:16
40K
24.85 mi12:56:062:51:116:536:15
7:19
+0:10
25.2M
25.20 mi12:58:572:54:026:542:51
8:16
+0:57
Finish
26.22 mi13:06:143:01:196:557:17
7:09
-1:07

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

6:24 /mi

Average Pace

6:55 /mi

Slowest Pace

8:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:41:43

56% of race

Time at Steady Pace

58:03

32% of race

Time at Slower Pace

21:33

12% of race

Average Pace: 6:55 /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 mi10:24:5419:596:2619:59
6:26
#3337
10K
6.21 mi10:44:4839:536:2519:54
6:24
#3190
15K
9.32 mi11:04:581:00:036:2720:10
6:29
#3275
20K
12.43 mi11:25:321:20:376:2920:34
6:37
#3412
Half
13.11 mi11:30:021:25:076:304:30
6:36
#3452
25K
15.53 mi11:46:381:41:436:3316:36
6:51
#3674
30K
18.64 mi12:09:242:04:296:4122:46
7:20
#4145
20M
20.00 mi12:19:462:14:516:4510:22
7:38
#4448
21M
21.00 mi12:28:062:23:116:498:20
8:20
#4756
35K
21.75 mi12:33:252:28:306:505:19
7:06
#4794
23M
23.00 mi12:42:422:37:476:529:17
7:25
#4876
24M
24.00 mi12:49:512:44:566:527:09
7:09
#4918
40K
24.85 mi12:56:062:51:116:536:15
7:19
#4933
25.2M
25.20 mi12:58:572:54:026:542:51
8:16
#4959
Finish
26.22 mi13:06:143:01:196:557:17
7:09
#4981
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi3337316931693507(Top 12%)3318(Top 21%)3318(Top 148%)
10K6.21 mi3.10 mi3190+1473034+1353034+1353072(Top 11%)2925(Top 18%)2925(Top 130%)
15K9.32 mi3.11 mi3275-853113-793113-793507(Top 12%)3318(Top 21%)3318(Top 148%)
20K12.43 mi3.11 mi3412-1373237-1243237-1243826(Top 13%)3608(Top 22%)3608(Top 161%)
Half13.11 mi0.68 mi3452-403271-343271-344344(Top 15%)4066(Top 25%)4066(Top 181%)
25K15.53 mi2.42 mi3674-2223471-2003471-2005232(Top 18%)4794(Top 30%)4794(Top 213%)
30K18.64 mi3.11 mi4145-4713883-4123883-4126599(Top 23%)5704(Top 35%)5704(Top 254%)
20M20.00 mi1.36 mi4448-3034143-2604143-2607845(Top 28%)6332(Top 39%)6332(Top 282%)
21M21.00 mi1.00 mi4756-3084398-2554398-2559385(Top 33%)7021(Top 44%)7021(Top 312%)
35K21.75 mi0.75 mi4794-384420-224420-225974(Top 21%)5031(Top 31%)5031(Top 224%)
23M23.00 mi1.25 mi4876-824480-604480-606104(Top 21%)5020(Top 31%)5020(Top 223%)
24M24.00 mi1.00 mi4918-424504-244504-245487(Top 19%)4584(Top 28%)4584(Top 204%)
40K24.85 mi0.85 mi4933-154506-24506-25670(Top 20%)4644(Top 29%)4644(Top 207%)
25.2M25.20 mi0.35 mi4959-264525-194525-197329(Top 26%)5494(Top 34%)5494(Top 245%)
Finish26.22 mi1.02 mi4981-224530-54530-56655(Top 23%)5115(Top 32%)5115(Top 228%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 12%
×21stories
+97ft-345ft

Overall

3507

Males

3318

M40-44

3318

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

3072

Males

2925

M40-44

2925

10K→15K

6.2 - 9.3 mi

Top 12%
×3stories
+67ft-78ft

Overall

3507

Males

3318

M40-44

3318

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3826

Males

3608

M40-44

3608

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4344

Males

4066

M40-44

4066

Half→25K

13.1 - 15.5 mi

Top 18%
×4stories
+66ft-88ft

Overall

5232

Males

4794

M40-44

4794

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6599

Males

5704

M40-44

5704

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7845

Males

6332

M40-44

6332

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9385

Males

7021

M40-44

7021

21M→35K

21.0 - 21.8 mi

Top 21%
×7stories
+17ft-86ft

Overall

5974

Males

5031

M40-44

5031

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6104

Males

5020

M40-44

5020

23M→24M

23.0 - 24.0 mi

Top 19%
×6stories
+12ft-82ft

Overall

5487

Males

4584

M40-44

4584

24M→40K

24.0 - 24.9 mi

Top 20%
×1story
+6ft-20ft

Overall

5670

Males

4644

M40-44

4644

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

7329

Males

5494

M40-44

5494

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6655

Males

5115

M40-44

5115

Passing Analysis

Category:
Athletes Passed
703
Passed By
2347
Net Change
-1644
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3337
5K → 10K21467+147#3337#3190
10K → 15K58143-85#3190#3275
15K → 20K56193-137#3275#3412
20K → Half545-40#3412#3452
Half → 25K34256-222#3452#3674
25K → 30K32503-471#3674#4145
30K → 20M22325-303#4145#4448
20M → 21M20328-308#4448#4756
21M → 35K4381-38#4756#4794
35K → 23M60142-82#4794#4876
23M → 24M5193-42#4876#4918
24M → 40K5368-15#4918#4933
40K → 25.2M2147-26#4933#4959
25.2M → Finish3456-22#4959#4981
TOTALS7032347-1644
📊

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