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BOSTON MARATHON 2025

David Smith

Bib: 26302•M

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
9:12/mi
28:35
↑ 97↓ 3451.5%
10K· 6.21 mi
9:10/mi
57:04
↑ 79↓ 1380.4%
15K· 9.32 mi
9:14/mi
1:25:44
↑ 67↓ 78
20K· 12.43 mi
9:37/mi
1:55:36
↑ 106↓ 860.1%
Half· 13.11 mi
9:10/mi
2:01:51
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:24:31
↑ 66↓ 880.2%
30K· 18.64 mi
10:07/mi
2:55:58
↑ 181↓ 1480.2%
20M
10:06/mi
3:09:41
↑ 64↓ 500.2%
21M
10:57/mi
3:20:38
↑ 106↓ 241.6%
35K· 21.75 mi
10:18/mi
3:28:20
↑ 17↓ 861.7%
23M
10:35/mi
3:41:35
↑ 23↓ 630.6%
24M
10:12/mi
3:51:47
↓ 821.3%
40K· 24.85 mi
10:37/mi
4:00:52
↓ 200.3%
25.2M
11:48/mi
4:04:56
↑ 13↓ 160.2%
Finish· 26.22 mi
10:52/mi
4:16:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:01:51
Pace9:18 /mi
2nd Half
Distance13.11 mi
Time2:14:09
Pace10:14 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:4128:359:1228:35
9:12
-
10K
6.21 mi12:12:1057:049:1128:29
9:10
-0:02
15K
9.32 mi12:40:501:25:449:1228:40
9:14
+0:04
20K
12.43 mi13:10:421:55:369:1829:52
9:37
+0:23
Half
13.11 mi13:16:572:01:519:186:15
9:10
-0:27
25K
15.53 mi13:39:372:24:319:1822:40
9:21
+0:11
30K
18.64 mi14:11:042:55:589:2631:27
10:07
+0:46
20M
20.00 mi14:24:473:09:419:2913:43
10:06
-0:01
21M
21.00 mi14:35:443:20:389:3310:57
10:57
+0:51
35K
21.75 mi14:43:263:28:209:357:42
10:18
-0:39
23M
23.00 mi14:56:413:41:359:3813:15
10:35
+0:17
24M
24.00 mi15:06:533:51:479:3910:12
10:12
-0:23
40K
24.85 mi15:15:584:00:529:419:05
10:37
+0:25
25.2M
25.20 mi15:20:024:04:569:434:04
11:48
+1:11
Finish
26.22 mi15:31:064:16:009:4611:04
10:52
-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

9:10 /mi

Average Pace

9:46 /mi

Slowest Pace

11:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:24:31

56% of race

Time at Steady Pace

1:03:04

25% of race

Time at Slower Pace

48:25

19% of race

Average Pace: 9:46 /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 mi11:43:4128:359:1228:35
9:12
#23228
10K
6.21 mi12:12:1057:049:1128:29
9:10
#23151
15K
9.32 mi12:40:501:25:449:1228:40
9:14
#23102
20K
12.43 mi13:10:421:55:369:1829:52
9:37
#23143
Half
13.11 mi13:16:572:01:519:186:15
9:10
#23104
25K
15.53 mi13:39:372:24:319:1822:40
9:21
#22799
30K
18.64 mi14:11:042:55:589:2631:27
10:07
#22633
20M
20.00 mi14:24:473:09:419:2913:43
10:06
#22504
21M
21.00 mi14:35:443:20:389:3310:57
10:57
#22417
35K
21.75 mi14:43:263:28:209:357:42
10:18
#22426
23M
23.00 mi14:56:413:41:359:3813:15
10:35
#22400
24M
24.00 mi15:06:533:51:479:3910:12
10:12
#22369
40K
24.85 mi15:15:584:00:529:419:05
10:37
#22349
25.2M
25.20 mi15:20:024:04:569:434:04
11:48
#22343
Finish
26.22 mi15:31:064:16:009:4611:04
10:52
#22479
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi23228138761387622941(Top 81%)13806(Top 86%)13806(Top 838%)
10K6.21 mi3.10 mi23151+7713860+1613860+1623068(Top 81%)13835(Top 86%)13835(Top 840%)
15K9.32 mi3.11 mi23102+4913850+1013850+1022941(Top 81%)13806(Top 86%)13806(Top 838%)
20K12.43 mi3.11 mi23143-4113876-2613876-2623244(Top 82%)13909(Top 86%)13909(Top 844%)
Half13.11 mi0.68 mi23104+3913859+1713859+1722440(Top 79%)13531(Top 84%)13531(Top 821%)
25K15.53 mi2.42 mi22799+30513704+15513704+15521357(Top 75%)13019(Top 81%)13019(Top 790%)
30K18.64 mi3.11 mi22633+16613585+11913585+11921970(Top 77%)13149(Top 82%)13149(Top 798%)
20M20.00 mi1.36 mi22504+12913509+7613509+7621260(Top 75%)12707(Top 79%)12707(Top 771%)
21M21.00 mi1.00 mi22417+8713458+5113458+5121249(Top 75%)12614(Top 78%)12614(Top 765%)
35K21.75 mi0.75 mi22426-913445+1313445+1322658(Top 80%)13232(Top 82%)13232(Top 803%)
23M23.00 mi1.25 mi22400+2613399+4613399+4622211(Top 78%)12981(Top 81%)12981(Top 788%)
24M24.00 mi1.00 mi22369+3113364+3513364+3521929(Top 77%)12775(Top 79%)12775(Top 775%)
40K24.85 mi0.85 mi22349+2013338+2613338+2622246(Top 78%)12856(Top 80%)12856(Top 780%)
25.2M25.20 mi0.35 mi22343+613329+913329+922746(Top 80%)13149(Top 82%)13149(Top 798%)
Finish26.22 mi1.02 mi22479-13613372-4313372-4325081(Top 88%)14324(Top 89%)14324(Top 869%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

22941

Males

13806

M55-59

13806

5K→10K

3.1 - 6.2 mi

Top 81%
×5story building
+79ft-138ft

Overall

23068

Males

13835

M55-59

13835

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

22941

Males

13806

M55-59

13806

15K→20K

9.3 - 12.4 mi

Top 82%
×5story building
+106ft-86ft

Overall

23244

Males

13909

M55-59

13909

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22440

Males

13531

M55-59

13531

Half→25K

13.1 - 15.5 mi

Top 75%
×4story building
+66ft-88ft

Overall

21357

Males

13019

M55-59

13019

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

21970

Males

13149

M55-59

13149

30K→20M

18.6 - 20.0 mi

Top 75%
×5story building
+64ft-50ft

Overall

21260

Males

12707

M55-59

12707

20M→21M

20.0 - 21.0 mi

Top 75%
×8story building
+106ft-24ft

Overall

21249

Males

12614

M55-59

12614

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

22658

Males

13232

M55-59

13232

35K→23M

21.8 - 23.0 mi

Top 78%
×5story building
+23ft-63ft

Overall

22211

Males

12981

M55-59

12981

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

21929

Males

12775

M55-59

12775

24M→40K

24.0 - 24.9 mi

Top 78%
×1story
+6ft-20ft

Overall

22246

Males

12856

M55-59

12856

40K→25.2M

24.9 - 25.2 mi

Top 80%
×1story
+13ft-16ft

Overall

22746

Males

13149

M55-59

13149

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

25081

Males

14324

M55-59

14324

Passing Analysis

Category:
Athletes Passed
1749
Passed By
1000
Net Change
+749
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23228
5K → 10K264187+77#23228#23151
10K → 15K193144+49#23151#23102
15K → 20K146187-41#23102#23143
20K → Half489+39#23143#23104
Half → 25K31813+305#23104#22799
25K → 30K24276+166#22799#22633
30K → 20M15223+129#22633#22504
20M → 21M11528+87#22504#22417
21M → 35K4150-9#22417#22426
35K → 23M7953+26#22426#22400
23M → 24M7342+31#22400#22369
24M → 40K4727+20#22369#22349
40K → 25.2M1812+6#22349#22343
25.2M → Finish13149-136#22343#22479
TOTALS17491000+749
📊

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