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BOSTON MARATHON 2025

Gregory Aucoin

Bib: 32537•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M40-44)
#0 / 2247
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
10:07/mi
31:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:02/mi
1:02:38
↑ 79↓ 1380.4%
15K· 9.32 mi
10:08/mi
1:34:08
↑ 67↓ 78
20K· 12.43 mi
10:24/mi
2:06:28
↑ 106↓ 860.1%
Half· 13.11 mi
10:14/mi
2:13:27
↑ 19↓ 370.5%
25K· 15.53 mi
10:19/mi
2:38:27
↑ 66↓ 880.2%
30K· 18.64 mi
10:31/mi
3:11:06
↑ 181↓ 1480.2%
20M
10:42/mi
3:25:38
↑ 64↓ 500.2%
21M
11:26/mi
3:37:04
↑ 106↓ 241.6%
35K· 21.75 mi
10:11/mi
3:44:41
↑ 17↓ 861.7%
23M
10:35/mi
3:57:56
↑ 23↓ 630.6%
24M
10:20/mi
4:08:16
↓ 821.3%
40K· 24.85 mi
10:32/mi
4:17:16
↓ 200.3%
25.2M
11:53/mi
4:21:22
↑ 13↓ 160.2%
Finish· 26.22 mi
10:13/mi
4:31:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:27
Pace10:11 /mi
2nd Half
Distance13.11 mi
Time2:18:20
Pace10:33 /mi
📊Positive Split: 3.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:41:0931:2710:0731:27
10:07
-
10K
6.21 mi11:12:201:02:3810:0531:11
10:02
-0:05
15K
9.32 mi11:43:501:34:0810:0631:30
10:08
+0:06
20K
12.43 mi12:16:102:06:2810:1132:20
10:24
+0:16
Half
13.11 mi12:23:092:13:2710:116:59
10:14
-0:10
25K
15.53 mi12:48:092:38:2710:1225:00
10:19
+0:05
30K
18.64 mi13:20:483:11:0610:1532:39
10:31
+0:12
20M
20.00 mi13:35:203:25:3810:1714:32
10:42
+0:11
21M
21.00 mi13:46:463:37:0410:2011:26
11:26
+0:44
35K
21.75 mi13:54:233:44:4110:207:37
10:11
-1:15
23M
23.00 mi14:07:383:57:5610:2113:15
10:35
+0:24
24M
24.00 mi14:17:584:08:1610:2110:20
10:20
-0:15
40K
24.85 mi14:26:584:17:1610:219:00
10:32
+0:12
25.2M
25.20 mi14:31:044:21:2210:224:06
11:53
+1:21
Finish
26.22 mi14:41:294:31:4710:2210:25
10:13
-1:40

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

10:02 /mi

Average Pace

10:22 /mi

Slowest Pace

11:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:16:15

94% of race

Time at Steady Pace

11:26

4% of race

Time at Slower Pace

4:06

2% of race

Average Pace: 10:22 /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 mi10:41:0931:2710:0731:27
10:07
#25878
10K
6.21 mi11:12:201:02:3810:0531:11
10:02
#25614
15K
9.32 mi11:43:501:34:0810:0631:30
10:08
#25530
20K
12.43 mi12:16:102:06:2810:1132:20
10:24
#25386
Half
13.11 mi12:23:092:13:2710:116:59
10:14
#25374
25K
15.53 mi12:48:092:38:2710:1225:00
10:19
#25111
30K
18.64 mi13:20:483:11:0610:1532:39
10:31
#24769
20M
20.00 mi13:35:203:25:3810:1714:32
10:42
#24644
21M
21.00 mi13:46:463:37:0410:2011:26
11:26
#24536
35K
21.75 mi13:54:233:44:4110:207:37
10:11
#24477
23M
23.00 mi14:07:383:57:5610:2113:15
10:35
#24356
24M
24.00 mi14:17:584:08:1610:2110:20
10:20
#24268
40K
24.85 mi14:26:584:17:1610:219:00
10:32
#24209
25.2M
25.20 mi14:31:044:21:2210:224:06
11:53
#24189
Finish
26.22 mi14:41:294:31:4710:2210:25
10:13
#24170
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi25878151181511825286(Top 89%)14826(Top 92%)14826(Top 660%)
10K6.21 mi3.10 mi25614+26414986+13214986+13225395(Top 89%)14876(Top 92%)14876(Top 662%)
15K9.32 mi3.11 mi25530+8414952+3414952+3425286(Top 89%)14826(Top 92%)14826(Top 660%)
20K12.43 mi3.11 mi25386+14414870+8214870+8225037(Top 88%)14694(Top 91%)14694(Top 654%)
Half13.11 mi0.68 mi25374+1214868+214868+225308(Top 89%)14801(Top 92%)14801(Top 659%)
25K15.53 mi2.42 mi25111+26314732+13614732+13623977(Top 84%)14188(Top 88%)14188(Top 631%)
30K18.64 mi3.11 mi24769+34214551+18114551+18122960(Top 81%)13599(Top 84%)13599(Top 605%)
20M20.00 mi1.36 mi24644+12514487+6414487+6422939(Top 81%)13494(Top 84%)13494(Top 601%)
21M21.00 mi1.00 mi24536+10814422+6514422+6522477(Top 79%)13197(Top 82%)13197(Top 587%)
35K21.75 mi0.75 mi24477+5914384+3814384+3822379(Top 79%)13101(Top 81%)13101(Top 583%)
23M23.00 mi1.25 mi24356+12114316+6814316+6822218(Top 78%)12988(Top 81%)12988(Top 578%)
24M24.00 mi1.00 mi24268+8814268+4814268+4822348(Top 79%)12982(Top 81%)12982(Top 578%)
40K24.85 mi0.85 mi24209+5914218+5014218+5022004(Top 77%)12752(Top 79%)12752(Top 568%)
25.2M25.20 mi0.35 mi24189+2014197+2114197+2122996(Top 81%)13290(Top 83%)13290(Top 591%)
Finish26.22 mi1.02 mi24170+1914182+1514182+1523588(Top 83%)13560(Top 84%)13560(Top 603%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25286

Males

14826

M40-44

14826

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

25395

Males

14876

M40-44

14876

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25286

Males

14826

M40-44

14826

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

25037

Males

14694

M40-44

14694

20K→Half

12.4 - 13.1 mi

Top 89%
×2story building
+19ft-37ft

Overall

25308

Males

14801

M40-44

14801

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23977

Males

14188

M40-44

14188

25K→30K

15.5 - 18.6 mi

Top 81%
×9story building
+181ft-148ft

Overall

22960

Males

13599

M40-44

13599

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

22939

Males

13494

M40-44

13494

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

22477

Males

13197

M40-44

13197

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

22379

Males

13101

M40-44

13101

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22218

Males

12988

M40-44

12988

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

22348

Males

12982

M40-44

12982

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

22004

Males

12752

M40-44

12752

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

22996

Males

13290

M40-44

13290

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23588

Males

13560

M40-44

13560

Passing Analysis

Category:
Athletes Passed
2050
Passed By
342
Net Change
+1708
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25878
5K → 10K33874+264#25878#25614
10K → 15K17086+84#25614#25530
15K → 20K19349+144#25530#25386
20K → Half2917+12#25386#25374
Half → 25K27310+263#25374#25111
25K → 30K35210+342#25111#24769
30K → 20M1349+125#24769#24644
20M → 21M1179+108#24644#24536
21M → 35K623+59#24536#24477
35K → 23M13716+121#24477#24356
23M → 24M935+88#24356#24268
24M → 40K7314+59#24268#24209
40K → 25.2M3111+20#24209#24189
25.2M → Finish4829+19#24189#24170
TOTALS2050342+1708
📊

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