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BOSTON MARATHON 2025

David Allen

Bib: 12747•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 38%
Masters (Masters Men)
#0 / 10463
Top 25%
Division (M45-49)
#0 / 2386
Top 35%
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
7:09/mi
22:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
43:56
↑ 79↓ 1380.4%
15K· 9.32 mi
6:58/mi
1:05:36
↑ 67↓ 78
20K· 12.43 mi
6:59/mi
1:27:18
↑ 106↓ 860.1%
Half· 13.11 mi
6:53/mi
1:32:00
↑ 19↓ 370.5%
25K· 15.53 mi
7:13/mi
1:49:29
↑ 66↓ 880.2%
30K· 18.64 mi
7:35/mi
2:13:02
↑ 181↓ 1480.2%
20M
7:27/mi
2:23:09
↑ 64↓ 500.2%
21M
8:03/mi
2:31:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:36:49
↑ 17↓ 861.7%
23M
7:34/mi
2:46:17
↑ 23↓ 630.6%
24M
7:35/mi
2:53:52
↓ 821.3%
40K· 24.85 mi
7:35/mi
3:00:21
↓ 200.3%
25.2M
8:19/mi
3:03:13
↑ 13↓ 160.2%
Finish· 26.22 mi
7:16/mi
3:10:37
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:32:00
Pace7:01 /mi
2nd Half
Distance13.11 mi
Time1:38:37
Pace7:31 /mi
📊Positive Split: 7.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:2922:127:0922:12
7:09
-
10K
6.21 mi11:12:1343:567:0421:44
7:00
-0:09
15K
9.32 mi11:33:531:05:367:0221:40
6:58
-0:02
20K
12.43 mi11:55:351:27:187:0121:42
6:59
+0:01
Half
13.11 mi12:00:171:32:007:014:42
6:53
-0:06
25K
15.53 mi12:17:461:49:297:0317:29
7:13
+0:20
30K
18.64 mi12:41:192:13:027:0823:33
7:35
+0:22
20M
20.00 mi12:51:262:23:097:0910:07
7:27
-0:08
21M
21.00 mi12:59:292:31:127:128:03
8:03
+0:36
35K
21.75 mi13:05:062:36:497:135:37
7:30
-0:33
23M
23.00 mi13:14:342:46:177:149:28
7:34
+0:04
24M
24.00 mi13:22:092:53:527:157:35
7:35
+0:01
40K
24.85 mi13:28:383:00:217:156:29
7:35
0:00
25.2M
25.20 mi13:31:303:03:137:162:52
8:19
+0:44
Finish
26.22 mi13:38:543:10:377:177:24
7:16
-1:03

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

6:53 /mi

Average Pace

7:17 /mi

Slowest Pace

8:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:29

57% of race

Time at Steady Pace

1:10:13

37% of race

Time at Slower Pace

10:55

6% of race

Average Pace: 7:16 /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 mi10:50:2922:127:0922:12
7:09
#9005
10K
6.21 mi11:12:1343:567:0421:44
7:00
#8428
15K
9.32 mi11:33:531:05:367:0221:40
6:58
#8025
20K
12.43 mi11:55:351:27:187:0121:42
6:59
#7655
Half
13.11 mi12:00:171:32:007:014:42
6:53
#7609
25K
15.53 mi12:17:461:49:297:0317:29
7:13
#7568
30K
18.64 mi12:41:192:13:027:0823:33
7:35
#7586
20M
20.00 mi12:51:262:23:097:0910:07
7:27
#7430
21M
21.00 mi12:59:292:31:127:128:03
8:03
#7384
35K
21.75 mi13:05:062:36:497:135:37
7:30
#7381
23M
23.00 mi13:14:342:46:177:149:28
7:34
#7315
24M
24.00 mi13:22:092:53:527:157:35
7:35
#7309
40K
24.85 mi13:28:383:00:217:156:29
7:35
#7263
25.2M
25.20 mi13:31:303:03:137:162:52
8:19
#7253
Finish
26.22 mi13:38:543:10:377:177:24
7:16
#7227
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9005760776077448(Top 26%)6574(Top 41%)6574(Top 276%)
10K6.21 mi3.10 mi8428+5777253+3547253+3547887(Top 28%)6899(Top 43%)6899(Top 289%)
15K9.32 mi3.11 mi8025+4036991+2626991+2627448(Top 26%)6574(Top 41%)6574(Top 276%)
20K12.43 mi3.11 mi7655+3706734+2576734+2576778(Top 24%)6039(Top 37%)6039(Top 253%)
Half13.11 mi0.68 mi7609+466700+346700+346784(Top 24%)6049(Top 38%)6049(Top 254%)
25K15.53 mi2.42 mi7568+416651+496651+497675(Top 27%)6556(Top 41%)6556(Top 275%)
30K18.64 mi3.11 mi7586-186619+326619+328283(Top 29%)6752(Top 42%)6752(Top 283%)
20M20.00 mi1.36 mi7430+1566479+1406479+1406643(Top 23%)5603(Top 35%)5603(Top 235%)
21M21.00 mi1.00 mi7384+466412+676412+677607(Top 27%)6025(Top 37%)6025(Top 253%)
35K21.75 mi0.75 mi7381+36385+276385+278628(Top 30%)6637(Top 41%)6637(Top 278%)
23M23.00 mi1.25 mi7315+666298+876298+876972(Top 25%)5567(Top 35%)5567(Top 233%)
24M24.00 mi1.00 mi7309+66265+336265+338256(Top 29%)6246(Top 39%)6246(Top 262%)
40K24.85 mi0.85 mi7263+466210+556210+557271(Top 26%)5577(Top 35%)5577(Top 234%)
25.2M25.20 mi0.35 mi7253+106187+236187+237634(Top 27%)5693(Top 35%)5693(Top 239%)
Finish26.22 mi1.02 mi7227+266149+386149+387454(Top 26%)5587(Top 35%)5587(Top 234%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7448

Males

6574

M45-49

6574

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7887

Males

6899

M45-49

6899

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7448

Males

6574

M45-49

6574

15K→20K

9.3 - 12.4 mi

Top 24%
×5story building
+106ft-86ft

Overall

6778

Males

6039

M45-49

6039

20K→Half

12.4 - 13.1 mi

Top 24%
×2story building
+19ft-37ft

Overall

6784

Males

6049

M45-49

6049

Half→25K

13.1 - 15.5 mi

Top 27%
×4story building
+66ft-88ft

Overall

7675

Males

6556

M45-49

6556

25K→30K

15.5 - 18.6 mi

Top 29%
×9story building
+181ft-148ft

Overall

8283

Males

6752

M45-49

6752

30K→20M

18.6 - 20.0 mi

Top 23%
×5story building
+64ft-50ft

Overall

6643

Males

5603

M45-49

5603

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7607

Males

6025

M45-49

6025

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8628

Males

6637

M45-49

6637

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

6972

Males

5567

M45-49

5567

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8256

Males

6246

M45-49

6246

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

7271

Males

5577

M45-49

5577

40K→25.2M

24.9 - 25.2 mi

Top 27%
×1story
+13ft-16ft

Overall

7634

Males

5693

M45-49

5693

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2story building
+22ft-21ft

Overall

7454

Males

5587

M45-49

5587

Passing Analysis

Category:
Athletes Passed
2504
Passed By
726
Net Change
+1778
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9005
5K → 10K62548+577#9005#8428
10K → 15K41916+403#8428#8025
15K → 20K3788+370#8025#7655
20K → Half548+46#7655#7609
Half → 25K13089+41#7609#7568
25K → 30K181199-18#7568#7586
30K → 20M18428+156#7586#7430
20M → 21M9549+46#7430#7384
21M → 35K6057+3#7384#7381
35K → 23M11852+66#7381#7315
23M → 24M7872+6#7315#7309
24M → 40K8438+46#7309#7263
40K → 25.2M3525+10#7263#7253
25.2M → Finish6337+26#7253#7227
TOTALS2504726+1778
📊

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