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BOSTON MARATHON 2025

Douglas Marocco

Bib: 21323•M

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
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
8:22/mi
25:59
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:28
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:17:25
↑ 67↓ 78
20K· 12.43 mi
8:45/mi
1:44:36
↑ 106↓ 860.1%
Half· 13.11 mi
8:23/mi
1:50:19
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:12:36
↑ 66↓ 880.2%
30K· 18.64 mi
10:08/mi
2:44:05
↑ 181↓ 1480.2%
20M
10:16/mi
2:58:02
↑ 64↓ 500.2%
21M
12:14/mi
3:10:16
↑ 106↓ 241.6%
35K· 21.75 mi
12:34/mi
3:19:40
↑ 17↓ 861.7%
23M
11:57/mi
3:34:38
↑ 23↓ 630.6%
24M
11:57/mi
3:46:35
↓ 821.3%
40K· 24.85 mi
15:17/mi
3:59:39
↓ 200.3%
25.2M
17:04/mi
4:05:32
↑ 13↓ 160.2%
Finish· 26.22 mi
13:00/mi
4:18:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:19
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time2:28:28
Pace11:20 /mi
📊Positive Split: 34.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:4225:598:2225:59
8:22
-
10K
6.21 mi11:45:1151:288:1725:29
8:12
-0:10
15K
9.32 mi12:11:081:17:258:1825:57
8:21
+0:09
20K
12.43 mi12:38:191:44:368:2527:11
8:45
+0:24
Half
13.11 mi12:44:021:50:198:255:43
8:23
-0:22
25K
15.53 mi13:06:192:12:368:3222:17
9:11
+0:48
30K
18.64 mi13:37:482:44:058:4831:29
10:08
+0:57
20M
20.00 mi13:51:452:58:028:5413:57
10:16
+0:08
21M
21.00 mi14:03:593:10:169:0412:14
12:14
+1:58
35K
21.75 mi14:13:233:19:409:119:24
12:34
+0:20
23M
23.00 mi14:28:213:34:389:2014:58
11:57
-0:37
24M
24.00 mi14:40:183:46:359:2611:57
11:57
0:00
40K
24.85 mi14:53:223:59:399:3913:04
15:17
+3:20
25.2M
25.20 mi14:59:154:05:329:455:53
17:04
+1:47
Finish
26.22 mi15:12:304:18:479:5313:15
13:00
-4:04

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

8:12 /mi

Average Pace

9:53 /mi

Slowest Pace

17:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:50:19

43% of race

Time at Steady Pace

1:07:43

26% of race

Time at Slower Pace

1:20:45

31% of race

Average Pace: 9:52 /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 mi11:19:4225:598:2225:59
8:22
#19091
10K
6.21 mi11:45:1151:288:1725:29
8:12
#18502
15K
9.32 mi12:11:081:17:258:1825:57
8:21
#18443
20K
12.43 mi12:38:191:44:368:2527:11
8:45
#18757
Half
13.11 mi12:44:021:50:198:255:43
8:23
#18735
25K
15.53 mi13:06:192:12:368:3222:17
9:11
#19133
30K
18.64 mi13:37:482:44:058:4831:29
10:08
#19873
20M
20.00 mi13:51:452:58:028:5413:57
10:16
#20091
21M
21.00 mi14:03:593:10:169:0412:14
12:14
#20483
35K
21.75 mi14:13:233:19:409:119:24
12:34
#20945
23M
23.00 mi14:28:213:34:389:2014:58
11:57
#21358
24M
24.00 mi14:40:183:46:359:2611:57
11:57
#21661
40K
24.85 mi14:53:223:59:399:3913:04
15:17
#22218
25.2M
25.20 mi14:59:154:05:329:455:53
17:04
#22423
Finish
26.22 mi15:12:304:18:479:5313:15
13:00
#22807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi19091120831208318392(Top 65%)11793(Top 73%)11793(Top 937%)
10K6.21 mi3.10 mi18502+58911836+24711836+24717909(Top 63%)11618(Top 72%)11618(Top 923%)
15K9.32 mi3.11 mi18443+5911800+3611800+3618392(Top 65%)11793(Top 73%)11793(Top 937%)
20K12.43 mi3.11 mi18757-31411944-14411944-14419678(Top 69%)12325(Top 77%)12325(Top 979%)
Half13.11 mi0.68 mi18735+2211931+1311931+1318469(Top 65%)11831(Top 73%)11831(Top 940%)
25K15.53 mi2.42 mi19133-39812091-16012091-16020718(Top 73%)12735(Top 79%)12735(Top 1012%)
30K18.64 mi3.11 mi19873-74012370-27912370-27921999(Top 77%)13171(Top 82%)13171(Top 1046%)
20M20.00 mi1.36 mi20091-21812436-6612436-6621755(Top 77%)12937(Top 80%)12937(Top 1028%)
21M21.00 mi1.00 mi20483-39212583-14712583-14723986(Top 84%)13901(Top 86%)13901(Top 1104%)
35K21.75 mi0.75 mi20945-46212789-20612789-20626528(Top 93%)15107(Top 94%)15107(Top 1200%)
23M23.00 mi1.25 mi21358-41312951-16212951-16225048(Top 88%)14355(Top 89%)14355(Top 1140%)
24M24.00 mi1.00 mi21661-30313056-10513056-10525609(Top 90%)14601(Top 91%)14601(Top 1160%)
40K24.85 mi0.85 mi22218-55713290-23413290-23427885(Top 98%)15765(Top 98%)15765(Top 1252%)
25.2M25.20 mi0.35 mi22423-20513361-7113361-7128074(Top 99%)15867(Top 99%)15867(Top 1260%)
Finish26.22 mi1.02 mi22807-38413521-16013521-16027633(Top 97%)15638(Top 97%)15638(Top 1242%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

18392

Males

11793

M60-64

11793

5K→10K

3.1 - 6.2 mi

Top 63%
×5story building
+79ft-138ft

Overall

17909

Males

11618

M60-64

11618

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

18392

Males

11793

M60-64

11793

15K→20K

9.3 - 12.4 mi

Top 69%
×5story building
+106ft-86ft

Overall

19678

Males

12325

M60-64

12325

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18469

Males

11831

M60-64

11831

Half→25K

13.1 - 15.5 mi

Top 73%
×4story building
+66ft-88ft

Overall

20718

Males

12735

M60-64

12735

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21999

Males

13171

M60-64

13171

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

21755

Males

12937

M60-64

12937

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

23986

Males

13901

M60-64

13901

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26528

Males

15107

M60-64

15107

35K→23M

21.8 - 23.0 mi

Top 88%
×5story building
+23ft-63ft

Overall

25048

Males

14355

M60-64

14355

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

25609

Males

14601

M60-64

14601

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

27885

Males

15765

M60-64

15765

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

28074

Males

15867

M60-64

15867

25.2M→Finish

25.2 - 26.2 mi

Top 97%
×2story building
+22ft-21ft

Overall

27633

Males

15638

M60-64

15638

Passing Analysis

Category:
Athletes Passed
1296
Passed By
5012
Net Change
-3716
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19091
5K → 10K66778+589#19091#18502
10K → 15K209150+59#18502#18443
15K → 20K112426-314#18443#18757
20K → Half5028+22#18757#18735
Half → 25K75473-398#18735#19133
25K → 30K68808-740#19133#19873
30K → 20M54272-218#19873#20091
20M → 21M18410-392#20091#20483
21M → 35K8470-462#20483#20945
35K → 23M21434-413#20945#21358
23M → 24M7310-303#21358#21661
24M → 40K3560-557#21661#22218
40K → 25.2M0205-205#22218#22423
25.2M → Finish4388-384#22423#22807
TOTALS12965012-3716
📊

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