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BOSTON MARATHON 2025

Dave Mailloux

Bib: 8011•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M45-49)
#0 / 2386
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:31
Rank: #2329
Start → 5K
6:17/mi
19:31 split
10K· 6.21 mi
39:05
Rank: #2342 (-13)
5K → 10K
6:18/mi
19:34 split
15K· 9.32 mi
58:58
Rank: #2549 (-207)
10K → 15K
6:24/mi
19:53 split
20K· 12.43 mi
1:19:25
Rank: #2797 (-248)
15K → 20K
6:35/mi
20:27 split
Half· 13.11 mi
1:23:50
Rank: #2835 (-38)
20K → Half
6:28/mi
4:25 split
25K· 15.53 mi
1:39:51
Rank: #2918 (-83)
Half → 25K
6:36/mi
16:01 split
30K· 18.64 mi
2:00:45
Rank: #2901 (+17)
25K → 30K
6:44/mi
20:54 split
20M
2:09:51
Rank: #2822 (+79)
30K → 20M
6:42/mi
9:06 split
21M
2:16:56
Rank: #2783 (+39)
20M → 21M
7:05/mi
7:05 split
35K· 21.75 mi
2:21:45
Rank: #2748 (+35)
21M → 35K
6:26/mi
4:49 split
23M
2:30:07
Rank: #2668 (+80)
35K → 23M
6:41/mi
8:22 split
24M
2:36:33
Rank: #2584 (+84)
23M → 24M
6:26/mi
6:26 split
40K· 24.85 mi
2:42:12
Rank: #2531 (+53)
24M → 40K
6:36/mi
5:39 split
25.2M
2:44:39
Rank: #2511 (+20)
40K → 25.2M
7:06/mi
2:27 split
Finish· 26.22 mi
2:50:50
Rank: #2410 (+101)
25.2M → Finish
6:04/mi
6:11 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:50
Pace6:24 /mi
2nd Half
Distance13.11 mi
Time1:27:00
Pace6:38 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1519:316:1719:31
6:17
-
10K
6.21 mi10:45:4939:056:1719:34
6:18
+0:01
15K
9.32 mi11:05:4258:586:2019:53
6:24
+0:06
20K
12.43 mi11:26:091:19:256:2320:27
6:35
+0:11
Half
13.11 mi11:30:341:23:506:244:25
6:28
-0:07
25K
15.53 mi11:46:351:39:516:2616:01
6:36
+0:08
30K
18.64 mi12:07:292:00:456:2920:54
6:44
+0:08
20M
20.00 mi12:16:352:09:516:309:06
6:42
-0:02
21M
21.00 mi12:23:402:16:566:317:05
7:05
+0:23
35K
21.75 mi12:28:292:21:456:314:49
6:26
-0:39
23M
23.00 mi12:36:512:30:076:328:22
6:41
+0:15
24M
24.00 mi12:43:172:36:336:316:26
6:26
-0:15
40K
24.85 mi12:48:562:42:126:325:39
6:36
+0:10
25.2M
25.20 mi12:51:232:44:396:322:27
7:06
+0:30
Finish
26.22 mi12:57:342:50:506:316:11
6:04
-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

6:04 /mi

Average Pace

6:31 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:02:56

72% of race

Time at Steady Pace

47:54

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /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 mi10:26:1519:316:1719:31
6:17
#2329
10K
6.21 mi10:45:4939:056:1719:34
6:18
#2342
15K
9.32 mi11:05:4258:586:2019:53
6:24
#2549
20K
12.43 mi11:26:091:19:256:2320:27
6:35
#2797
Half
13.11 mi11:30:341:23:506:244:25
6:28
#2835
25K
15.53 mi11:46:351:39:516:2616:01
6:36
#2918
30K
18.64 mi12:07:292:00:456:2920:54
6:44
#2901
20M
20.00 mi12:16:352:09:516:309:06
6:42
#2822
21M
21.00 mi12:23:402:16:566:317:05
7:05
#2783
35K
21.75 mi12:28:292:21:456:314:49
6:26
#2748
23M
23.00 mi12:36:512:30:076:328:22
6:41
#2668
24M
24.00 mi12:43:172:36:336:316:26
6:26
#2584
40K
24.85 mi12:48:562:42:126:325:39
6:36
#2531
25.2M
25.20 mi12:51:232:44:396:322:27
7:06
#2511
Finish
26.22 mi12:57:342:50:506:316:11
6:04
#2410
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2329222322232945(Top 10%)2809(Top 17%)2809(Top 118%)
10K6.21 mi3.10 mi2342-132233-102233-102425(Top 9%)2320(Top 14%)2320(Top 97%)
15K9.32 mi3.11 mi2549-2072430-1972430-1972945(Top 10%)2809(Top 17%)2809(Top 118%)
20K12.43 mi3.11 mi2797-2482667-2372667-2373598(Top 13%)3402(Top 21%)3402(Top 143%)
Half13.11 mi0.68 mi2835-382702-352702-353516(Top 12%)3332(Top 21%)3332(Top 140%)
25K15.53 mi2.42 mi2918-832782-802782-803506(Top 12%)3306(Top 21%)3306(Top 139%)
30K18.64 mi3.11 mi2901+172762+202762+203013(Top 11%)2833(Top 18%)2833(Top 119%)
20M20.00 mi1.36 mi2822+792688+742688+742456(Top 9%)2317(Top 14%)2317(Top 97%)
21M21.00 mi1.00 mi2783+392650+382650+382611(Top 9%)2433(Top 15%)2433(Top 102%)
35K21.75 mi0.75 mi2748+352614+362614+362198(Top 8%)2057(Top 13%)2057(Top 86%)
23M23.00 mi1.25 mi2668+802535+792535+792183(Top 8%)2040(Top 13%)2040(Top 85%)
24M24.00 mi1.00 mi2584+842451+842451+841812(Top 6%)1688(Top 10%)1688(Top 71%)
40K24.85 mi0.85 mi2531+532401+502401+502014(Top 7%)1857(Top 12%)1857(Top 78%)
25.2M25.20 mi0.35 mi2511+202382+192382+191834(Top 6%)1673(Top 10%)1673(Top 70%)
Finish26.22 mi1.02 mi2410+1012285+972285+971118(Top 4%)1048(Top 7%)1048(Top 44%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21story building
+97ft-345ft

Overall

2945

Males

2809

M45-49

2809

5K→10K

3.1 - 6.2 mi

Top 9%
×5story building
+79ft-138ft

Overall

2425

Males

2320

M45-49

2320

10K→15K

6.2 - 9.3 mi

Top 10%
×3story building
+67ft-78ft

Overall

2945

Males

2809

M45-49

2809

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3598

Males

3402

M45-49

3402

20K→Half

12.4 - 13.1 mi

Top 12%
×2story building
+19ft-37ft

Overall

3516

Males

3332

M45-49

3332

Half→25K

13.1 - 15.5 mi

Top 12%
×4story building
+66ft-88ft

Overall

3506

Males

3306

M45-49

3306

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3013

Males

2833

M45-49

2833

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2456

Males

2317

M45-49

2317

20M→21M

20.0 - 21.0 mi

Top 9%
×8story building
+106ft-24ft

Overall

2611

Males

2433

M45-49

2433

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2198

Males

2057

M45-49

2057

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2183

Males

2040

M45-49

2040

23M→24M

23.0 - 24.0 mi

Top 6%
×6story building
+12ft-82ft

Overall

1812

Males

1688

M45-49

1688

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

2014

Males

1857

M45-49

1857

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1834

Males

1673

M45-49

1673

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1118

Males

1048

M45-49

1048

Passing Analysis

Category:
Athletes Passed
903
Passed By
984
Net Change
-81
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2329
5K → 10K102115-13#2329#2342
10K → 15K25232-207#2342#2549
15K → 20K27275-248#2549#2797
20K → Half240-38#2797#2835
Half → 25K47130-83#2835#2918
25K → 30K121104+17#2918#2901
30K → 20M9314+79#2901#2822
20M → 21M6526+39#2822#2783
21M → 35K4510+35#2783#2748
35K → 23M9818+80#2748#2668
23M → 24M906+84#2668#2584
24M → 40K629+53#2584#2531
40K → 25.2M200+20#2531#2511
25.2M → Finish1065+101#2511#2410
TOTALS903984-81
📊

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