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BOSTON MARATHON 2025

Walter Langiu

Bib: 18204•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:48/mi
27:20
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
55:28
↑ 79↓ 1380.4%
15K· 9.32 mi
9:30/mi
1:24:59
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
1:55:04
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
2:01:16
↑ 19↓ 370.5%
25K· 15.53 mi
9:17/mi
2:23:47
↑ 66↓ 880.2%
30K· 18.64 mi
9:38/mi
2:53:43
↑ 181↓ 1480.2%
20M
9:05/mi
3:06:03
↑ 64↓ 500.2%
21M
9:36/mi
3:15:39
↑ 106↓ 241.6%
35K· 21.75 mi
10:44/mi
3:23:41
↑ 17↓ 861.7%
23M
8:52/mi
3:34:47
↑ 23↓ 630.6%
24M
8:41/mi
3:43:28
↓ 821.3%
40K· 24.85 mi
8:53/mi
3:51:04
↓ 200.3%
25.2M
9:40/mi
3:54:24
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
4:03:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:01:16
Pace9:15 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:01:56
Pace9:18 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1927:208:4827:20
8:48
-
10K
6.21 mi11:46:2755:288:5628:08
9:03
+0:15
15K
9.32 mi12:15:581:24:599:0729:31
9:30
+0:27
20K
12.43 mi12:46:031:55:049:1630:05
9:41
+0:11
Half
13.11 mi12:52:152:01:169:156:12
9:05
-0:36
25K
15.53 mi13:14:462:23:479:1522:31
9:17
+0:12
30K
18.64 mi13:44:422:53:439:1929:56
9:38
+0:21
20M
20.00 mi13:57:023:06:039:1812:20
9:05
-0:33
21M
21.00 mi14:06:383:15:399:199:36
9:36
+0:31
35K
21.75 mi14:14:403:23:419:228:02
10:44
+1:08
23M
23.00 mi14:25:463:34:479:2011:06
8:52
-1:52
24M
24.00 mi14:34:273:43:289:198:41
8:41
-0:11
40K
24.85 mi14:42:033:51:049:187:36
8:53
+0:12
25.2M
25.20 mi14:45:233:54:249:183:20
9:40
+0:47
Finish
26.22 mi14:54:114:03:129:178:48
8:38
-1:02

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

8:38 /mi

Average Pace

9:17 /mi

Slowest Pace

10:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:49

18% of race

Time at Steady Pace

1:27:53

36% of race

Time at Slower Pace

1:50:30

45% of race

Average Pace: 9:17 /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 mi11:18:1927:208:4827:20
8:48
#21499
10K
6.21 mi11:46:2755:288:5628:08
9:03
#22083
15K
9.32 mi12:15:581:24:599:0729:31
9:30
#22775
20K
12.43 mi12:46:031:55:049:1630:05
9:41
#23019
Half
13.11 mi12:52:152:01:169:156:12
9:05
#22961
25K
15.53 mi13:14:462:23:479:1522:31
9:17
#22633
30K
18.64 mi13:44:422:53:439:1929:56
9:38
#22229
20M
20.00 mi13:57:023:06:039:1812:20
9:05
#21881
21M
21.00 mi14:06:383:15:399:199:36
9:36
#21594
35K
21.75 mi14:14:403:23:419:228:02
10:44
#21703
23M
23.00 mi14:25:463:34:479:2011:06
8:52
#21382
24M
24.00 mi14:34:273:43:289:198:41
8:41
#21171
40K
24.85 mi14:42:033:51:049:187:36
8:53
#20985
25.2M
25.20 mi14:45:233:54:249:183:20
9:40
#20904
Finish
26.22 mi14:54:114:03:129:178:48
8:38
#20795
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi21499130761307623740(Top 84%)14165(Top 88%)14165(Top 860%)
10K6.21 mi3.10 mi22083-58413362-28613362-28622619(Top 80%)13626(Top 85%)13626(Top 827%)
15K9.32 mi3.11 mi22775-69213714-35213714-35223740(Top 84%)14165(Top 88%)14165(Top 860%)
20K12.43 mi3.11 mi23019-24413816-10213816-10223429(Top 82%)13986(Top 87%)13986(Top 849%)
Half13.11 mi0.68 mi22961+5813796+2013796+2022147(Top 78%)13392(Top 83%)13392(Top 813%)
25K15.53 mi2.42 mi22633+32813627+16913627+16921119(Top 74%)12905(Top 80%)12905(Top 783%)
30K18.64 mi3.11 mi22229+40413417+21013417+21020486(Top 72%)12509(Top 78%)12509(Top 759%)
20M20.00 mi1.36 mi21881+34813253+16413253+16417199(Top 61%)10907(Top 68%)10907(Top 662%)
21M21.00 mi1.00 mi21594+28713095+15813095+15816548(Top 58%)10507(Top 65%)10507(Top 638%)
35K21.75 mi0.75 mi21703-10913134-3913134-3923651(Top 83%)13710(Top 85%)13710(Top 832%)
23M23.00 mi1.25 mi21382+32112957+17712957+17715479(Top 54%)9858(Top 61%)9858(Top 598%)
24M24.00 mi1.00 mi21171+21112841+11612841+11615636(Top 55%)9895(Top 61%)9895(Top 600%)
40K24.85 mi0.85 mi20985+18612734+10712734+10715697(Top 55%)9776(Top 61%)9776(Top 593%)
25.2M25.20 mi0.35 mi20904+8112694+4012694+4015434(Top 54%)9629(Top 60%)9629(Top 584%)
Finish26.22 mi1.02 mi20795+10912627+6712627+6717076(Top 60%)10441(Top 65%)10441(Top 634%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

23740

Males

14165

M55-59

14165

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

22619

Males

13626

M55-59

13626

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

23740

Males

14165

M55-59

14165

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23429

Males

13986

M55-59

13986

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

22147

Males

13392

M55-59

13392

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

21119

Males

12905

M55-59

12905

25K→30K

15.5 - 18.6 mi

Top 72%
×9story building
+181ft-148ft

Overall

20486

Males

12509

M55-59

12509

30K→20M

18.6 - 20.0 mi

Top 61%
×5story building
+64ft-50ft

Overall

17199

Males

10907

M55-59

10907

20M→21M

20.0 - 21.0 mi

Top 58%
×8story building
+106ft-24ft

Overall

16548

Males

10507

M55-59

10507

21M→35K

21.0 - 21.8 mi

Top 83%
×7story building
+17ft-86ft

Overall

23651

Males

13710

M55-59

13710

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

15479

Males

9858

M55-59

9858

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

15636

Males

9895

M55-59

9895

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15697

Males

9776

M55-59

9776

40K→25.2M

24.9 - 25.2 mi

Top 54%
×1story
+13ft-16ft

Overall

15434

Males

9629

M55-59

9629

25.2M→Finish

25.2 - 26.2 mi

Top 60%
×2story building
+22ft-21ft

Overall

17076

Males

10441

M55-59

10441

Passing Analysis

Category:
Athletes Passed
2661
Passed By
1957
Net Change
+704
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21499
5K → 10K90674-584#21499#22083
10K → 15K45737-692#22083#22775
15K → 20K109353-244#22775#23019
20K → Half635+58#23019#22961
Half → 25K34618+328#22961#22633
25K → 30K43026+404#22633#22229
30K → 20M3480+348#22229#21881
20M → 21M2914+287#21881#21594
21M → 35K17126-109#21594#21703
35K → 23M3243+321#21703#21382
23M → 24M2143+211#21382#21171
24M → 40K1871+186#21171#20985
40K → 25.2M810+81#20985#20904
25.2M → Finish1167+109#20904#20795
TOTALS26611957+704
📊

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