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BOSTON MARATHON 2025

Luis Serdio

Bib: 7754•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
Masters (Masters Men)
#0 / 10463
Top 13%
Division (M40-44)
#0 / 2247
Top 34%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:54
Rank: #5671
Start → 5K
20:54 | 6:44/mi
10K· 6.21 mi
41:40
Rank: #5413 (+258)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:32
Rank: #5327 (+86)
10K → 15K
20:52 | 6:43/mi
20K· 12.43 mi
1:23:12
Rank: #4944 (+383)
15K → 20K
20:40 | 6:39/mi
Half· 13.11 mi
1:27:42
Rank: #4912 (+32)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:43:51
Rank: #4671 (+241)
Half → 25K
16:09 | 6:40/mi
30K· 18.64 mi
2:05:48
Rank: #4729 (-58)
25K → 30K
21:57 | 7:04/mi
20M
2:15:45
Rank: #4835 (-106)
30K → 20M
9:57 | 7:19/mi
21M
2:23:29
Rank: #4874 (-39)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:28:53
Rank: #4935 (-61)
21M → 35K
5:24 | 7:13/mi
23M
2:38:01
Rank: #4970 (-35)
35K → 23M
9:08 | 7:18/mi
24M
2:45:17
Rank: #5032 (-62)
23M → 24M
7:16 | 7:16/mi
40K· 24.85 mi
2:51:20
Rank: #4974 (+58)
24M → 40K
6:03 | 7:05/mi
25.2M
2:53:56
Rank: #4935 (+39)
40K → 25.2M
2:36 | 7:32/mi
Finish· 26.22 mi
3:00:37
Rank: #4826 (+109)
25.2M → Finish
6:41 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:42
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:32:55
Pace7:05 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:1620:546:4420:54
6:44
-
10K
6.21 mi10:49:0241:406:4220:46
6:41
-0:03
15K
9.32 mi11:09:541:02:326:4320:52
6:43
+0:02
20K
12.43 mi11:30:341:23:126:4220:40
6:39
-0:04
Half
13.11 mi11:35:041:27:426:414:30
6:36
-0:03
25K
15.53 mi11:51:131:43:516:4116:09
6:40
+0:04
30K
18.64 mi12:13:102:05:486:4521:57
7:04
+0:24
20M
20.00 mi12:23:072:15:456:479:57
7:19
+0:15
21M
21.00 mi12:30:512:23:296:507:44
7:44
+0:25
35K
21.75 mi12:36:152:28:536:515:24
7:13
-0:31
23M
23.00 mi12:45:232:38:016:529:08
7:18
+0:05
24M
24.00 mi12:52:392:45:176:537:16
7:16
-0:02
40K
24.85 mi12:58:422:51:206:546:03
7:05
-0:11
25.2M
25.20 mi13:01:182:53:566:542:36
7:32
+0:27
Finish
26.22 mi13:07:593:00:376:546:41
6:34
-0:58

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

6:34 /mi

Average Pace

6:54 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:56

80% of race

Time at Steady Pace

36:41

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:53 /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 mi10:28:1620:546:4420:54
6:44
#5671
10K
6.21 mi10:49:0241:406:4220:46
6:41
#5413
15K
9.32 mi11:09:541:02:326:4320:52
6:43
#5327
20K
12.43 mi11:30:341:23:126:4220:40
6:39
#4944
Half
13.11 mi11:35:041:27:426:414:30
6:36
#4912
25K
15.53 mi11:51:131:43:516:4116:09
6:40
#4671
30K
18.64 mi12:13:102:05:486:4521:57
7:04
#4729
20M
20.00 mi12:23:072:15:456:479:57
7:19
#4835
21M
21.00 mi12:30:512:23:296:507:44
7:44
#4874
35K
21.75 mi12:36:152:28:536:515:24
7:13
#4935
23M
23.00 mi12:45:232:38:016:529:08
7:18
#4970
24M
24.00 mi12:52:392:45:176:537:16
7:16
#5032
40K
24.85 mi12:58:422:51:206:546:03
7:05
#4974
25.2M
25.20 mi13:01:182:53:566:542:36
7:32
#4935
Finish
26.22 mi13:07:593:00:376:546:41
6:34
#4826
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi5671523852385222(Top 18%)4828(Top 30%)4828(Top 215%)
10K6.21 mi3.10 mi5413+2585012+2265012+2265191(Top 18%)4820(Top 30%)4820(Top 215%)
15K9.32 mi3.11 mi5327+864942+704942+705222(Top 18%)4828(Top 30%)4828(Top 215%)
20K12.43 mi3.11 mi4944+3834607+3354607+3354026(Top 14%)3781(Top 23%)3781(Top 168%)
Half13.11 mi0.68 mi4912+324577+304577+304341(Top 15%)4063(Top 25%)4063(Top 181%)
25K15.53 mi2.42 mi4671+2414353+2244353+2243860(Top 14%)3615(Top 22%)3615(Top 161%)
30K18.64 mi3.11 mi4729-584385-324385-325096(Top 18%)4613(Top 29%)4613(Top 205%)
20M20.00 mi1.36 mi4835-1064475-904475-905887(Top 21%)5110(Top 32%)5110(Top 227%)
21M21.00 mi1.00 mi4874-394496-214496-215801(Top 20%)4920(Top 31%)4920(Top 219%)
35K21.75 mi0.75 mi4935-614536-404536-406655(Top 23%)5474(Top 34%)5474(Top 244%)
23M23.00 mi1.25 mi4970-354556-204556-205409(Top 19%)4598(Top 29%)4598(Top 205%)
24M24.00 mi1.00 mi5032-624599-434599-436190(Top 22%)5022(Top 31%)5022(Top 223%)
40K24.85 mi0.85 mi4974+584542+574542+574312(Top 15%)3710(Top 23%)3710(Top 165%)
25.2M25.20 mi0.35 mi4935+394503+394503+393554(Top 13%)3098(Top 19%)3098(Top 138%)
Finish26.22 mi1.02 mi4826+1094409+944409+943086(Top 11%)2741(Top 17%)2741(Top 122%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 18%
×21stories
+97ft-345ft

Overall

5222

Males

4828

M40-44

4828

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5191

Males

4820

M40-44

4820

10K→15K

6.2 - 9.3 mi

Top 18%
×3stories
+67ft-78ft

Overall

5222

Males

4828

M40-44

4828

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

4026

Males

3781

M40-44

3781

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4341

Males

4063

M40-44

4063

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3860

Males

3615

M40-44

3615

25K→30K

15.5 - 18.6 mi

Top 18%
×9stories
+181ft-148ft

Overall

5096

Males

4613

M40-44

4613

30K→20M

18.6 - 20.0 mi

Top 21%
×5stories
+64ft-50ft

Overall

5887

Males

5110

M40-44

5110

20M→21M

20.0 - 21.0 mi

Top 20%
×8stories
+106ft-24ft

Overall

5801

Males

4920

M40-44

4920

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6655

Males

5474

M40-44

5474

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5409

Males

4598

M40-44

4598

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6190

Males

5022

M40-44

5022

24M→40K

24.0 - 24.9 mi

Top 15%
×1story
+6ft-20ft

Overall

4312

Males

3710

M40-44

3710

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3554

Males

3098

M40-44

3098

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3086

Males

2741

M40-44

2741

Passing Analysis

Category:
Athletes Passed
1811
Passed By
966
Net Change
+845
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5671
5K → 10K34183+258#5671#5413
10K → 15K16579+86#5413#5327
15K → 20K3918+383#5327#4944
20K → Half408+32#4944#4912
Half → 25K25110+241#4912#4671
25K → 30K133191-58#4671#4729
30K → 20M42148-106#4729#4835
20M → 21M5493-39#4835#4874
21M → 35K42103-61#4874#4935
35K → 23M72107-35#4935#4970
23M → 24M40102-62#4970#5032
24M → 40K7618+58#5032#4974
40K → 25.2M489+39#4974#4935
25.2M → Finish1167+109#4935#4826
TOTALS1811966+845
📊

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