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BOSTON MARATHON 2025

David Strand

Bib: 25415•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 20%
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
8:54/mi
27:40
↑ 97↓ 3451.5%
10K· 6.21 mi
8:50/mi
55:08
↑ 79↓ 1380.4%
15K· 9.32 mi
8:57/mi
1:22:57
↑ 67↓ 78
20K· 12.43 mi
8:58/mi
1:50:48
↑ 106↓ 860.1%
Half· 13.11 mi
8:52/mi
1:56:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:00/mi
2:18:40
↑ 66↓ 880.2%
30K· 18.64 mi
9:20/mi
2:47:41
↑ 181↓ 1480.2%
20M
9:24/mi
3:00:28
↑ 64↓ 500.2%
21M
9:59/mi
3:10:27
↑ 106↓ 241.6%
35K· 21.75 mi
12:02/mi
3:19:27
↑ 17↓ 861.7%
23M
9:15/mi
3:31:02
↑ 23↓ 630.6%
24M
9:05/mi
3:40:07
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:48:00
↓ 200.3%
25.2M
10:06/mi
3:51:29
↑ 13↓ 160.2%
Finish· 26.22 mi
9:10/mi
4:00:49
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:51
Pace8:55 /mi
2nd Half
Distance13.11 mi
Time2:03:58
Pace9:27 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:1027:408:5427:40
8:54
-
10K
6.21 mi12:11:3855:088:5227:28
8:50
-0:04
15K
9.32 mi12:39:271:22:578:5427:49
8:57
+0:07
20K
12.43 mi13:07:181:50:488:5527:51
8:58
+0:01
Half
13.11 mi13:13:211:56:518:556:03
8:52
-0:06
25K
15.53 mi13:35:102:18:408:5621:49
9:00
+0:08
30K
18.64 mi14:04:112:47:419:0029:01
9:20
+0:20
20M
20.00 mi14:16:583:00:289:0112:47
9:24
+0:04
21M
21.00 mi14:26:573:10:279:049:59
9:59
+0:35
35K
21.75 mi14:35:573:19:279:109:00
12:02
+2:03
23M
23.00 mi14:47:323:31:029:1111:35
9:15
-2:47
24M
24.00 mi14:56:373:40:079:109:05
9:05
-0:10
40K
24.85 mi15:04:303:48:009:107:53
9:13
+0:08
25.2M
25.20 mi15:07:593:51:299:113:29
10:06
+0:53
Finish
26.22 mi15:17:194:00:499:119:20
9:10
-0:56

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

8:50 /mi

Average Pace

9:11 /mi

Slowest Pace

12:02 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

3:38:21

91% of race

Time at Slower Pace

22:28

9% of race

Average Pace: 9:11 /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 mi11:44:1027:408:5427:40
8:54
#22010
10K
6.21 mi12:11:3855:088:5227:28
8:50
#21824
15K
9.32 mi12:39:271:22:578:5427:49
8:57
#21811
20K
12.43 mi13:07:181:50:488:5527:51
8:58
#21533
Half
13.11 mi13:13:211:56:518:556:03
8:52
#21503
25K
15.53 mi13:35:102:18:408:5621:49
9:00
#21232
30K
18.64 mi14:04:112:47:419:0029:01
9:20
#20850
20M
20.00 mi14:16:583:00:289:0112:47
9:24
#20657
21M
21.00 mi14:26:573:10:279:049:59
9:59
#20512
35K
21.75 mi14:35:573:19:279:109:00
12:02
#20902
23M
23.00 mi14:47:323:31:029:1111:35
9:15
#20714
24M
24.00 mi14:56:373:40:079:109:05
9:05
#20597
40K
24.85 mi15:04:303:48:009:107:53
9:13
#20507
25.2M
25.20 mi15:07:593:51:299:113:29
10:06
#20482
Finish
26.22 mi15:17:194:00:499:119:20
9:10
#20478
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22010133191331921810(Top 77%)13307(Top 83%)13307(Top 5836%)
10K6.21 mi3.10 mi21824+18613253+6613253+6621595(Top 76%)13170(Top 82%)13170(Top 5776%)
15K9.32 mi3.11 mi21811+1313248+513248+521810(Top 77%)13307(Top 83%)13307(Top 5836%)
20K12.43 mi3.11 mi21533+27813141+10713141+10720781(Top 73%)12789(Top 79%)12789(Top 5609%)
Half13.11 mi0.68 mi21503+3013127+1413127+1421193(Top 75%)12990(Top 81%)12990(Top 5697%)
25K15.53 mi2.42 mi21232+27113002+12513002+12519883(Top 70%)12361(Top 77%)12361(Top 5421%)
30K18.64 mi3.11 mi20850+38212781+22112781+22119294(Top 68%)11966(Top 74%)11966(Top 5248%)
20M20.00 mi1.36 mi20657+19312681+10012681+10018775(Top 66%)11582(Top 72%)11582(Top 5080%)
21M21.00 mi1.00 mi20512+14512598+8312598+8318235(Top 64%)11276(Top 70%)11276(Top 4946%)
35K21.75 mi0.75 mi20902-39012764-16612764-16625901(Top 91%)14778(Top 92%)14778(Top 6482%)
23M23.00 mi1.25 mi20714+18812651+11312651+11317559(Top 62%)10758(Top 67%)10758(Top 4718%)
24M24.00 mi1.00 mi20597+11712582+6912582+6917791(Top 63%)10833(Top 67%)10833(Top 4751%)
40K24.85 mi0.85 mi20507+9012528+5412528+5417443(Top 61%)10581(Top 66%)10581(Top 4641%)
25.2M25.20 mi0.35 mi20482+2512510+1812510+1817452(Top 61%)10592(Top 66%)10592(Top 4646%)
Finish26.22 mi1.02 mi20478+412495+1512495+1519768(Top 70%)11700(Top 73%)11700(Top 5132%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21story building
+97ft-345ft

Overall

21810

Males

13307

M70-74

13307

5K→10K

3.1 - 6.2 mi

Top 76%
×5story building
+79ft-138ft

Overall

21595

Males

13170

M70-74

13170

10K→15K

6.2 - 9.3 mi

Top 77%
×3story building
+67ft-78ft

Overall

21810

Males

13307

M70-74

13307

15K→20K

9.3 - 12.4 mi

Top 73%
×5story building
+106ft-86ft

Overall

20781

Males

12789

M70-74

12789

20K→Half

12.4 - 13.1 mi

Top 75%
×2story building
+19ft-37ft

Overall

21193

Males

12990

M70-74

12990

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19883

Males

12361

M70-74

12361

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19294

Males

11966

M70-74

11966

30K→20M

18.6 - 20.0 mi

Top 66%
×5story building
+64ft-50ft

Overall

18775

Males

11582

M70-74

11582

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18235

Males

11276

M70-74

11276

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

25901

Males

14778

M70-74

14778

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17559

Males

10758

M70-74

10758

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17791

Males

10833

M70-74

10833

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17443

Males

10581

M70-74

10581

40K→25.2M

24.9 - 25.2 mi

Top 61%
×1story
+13ft-16ft

Overall

17452

Males

10592

M70-74

10592

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

19768

Males

11700

M70-74

11700

Passing Analysis

Category:
Athletes Passed
2605
Passed By
1073
Net Change
+1532
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22010
5K → 10K368182+186#22010#21824
10K → 15K209196+13#21824#21811
15K → 20K33961+278#21811#21533
20K → Half4414+30#21533#21503
Half → 25K30837+271#21503#21232
25K → 30K41937+382#21232#20850
30K → 20M21017+193#20850#20657
20M → 21M16419+145#20657#20512
21M → 35K9399-390#20512#20902
35K → 23M20315+188#20902#20714
23M → 24M12912+117#20714#20597
24M → 40K10919+90#20597#20507
40K → 25.2M3510+25#20507#20482
25.2M → Finish5955+4#20482#20478
TOTALS26051073+1532
📊

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