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BOSTON MARATHON 2025

David Smale

Bib: 256•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 0.7%
Gender (Male)
#0 / 16105
Top 1%
Division (M18-39)
#0 / 5642
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
16:48
Rank: #125
Start → 5K
16:48 | 5:24/mi
10K· 6.21 mi
33:33
Rank: #131 (-6)
5K → 10K
16:45 | 5:23/mi
15K· 9.32 mi
50:33
Rank: #126 (+5)
10K → 15K
17:00 | 5:28/mi
20K· 12.43 mi
1:08:05
Rank: #146 (-20)
15K → 20K
17:32 | 5:39/mi
Half· 13.11 mi
1:11:49
Rank: #145 (+1)
20K → Half
3:44 | 5:28/mi
25K· 15.53 mi
1:25:47
Rank: #168 (-23)
Half → 25K
13:58 | 5:46/mi
30K· 18.64 mi
1:44:10
Rank: #193 (-25)
25K → 30K
18:23 | 5:55/mi
20M
1:52:27
Rank: #194 (-1)
30K → 20M
8:17 | 6:06/mi
21M
1:58:50
Rank: #195 (-1)
20M → 21M
6:23 | 6:23/mi
35K· 21.75 mi
2:03:12
Rank: #197 (-2)
21M → 35K
4:22 | 5:50/mi
23M
2:10:41
Rank: #191 (+6)
35K → 23M
7:29 | 5:59/mi
24M
2:16:34
Rank: #188 (+3)
23M → 24M
5:53 | 5:53/mi
40K· 24.85 mi
2:21:40
Rank: #192 (-4)
24M → 40K
5:06 | 5:58/mi
25.2M
2:23:52
Rank: #191 (+1)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:29:42
Rank: #190 (+1)
25.2M → Finish
5:50 | 5:43/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:11:49
Pace5:29 /mi
2nd Half
Distance13.11 mi
Time1:17:53
Pace5:56 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:16:5016:485:2416:48
5:24
-
10K
6.21 mi10:33:3533:335:2416:45
5:23
-0:01
15K
9.32 mi10:50:3550:335:2517:00
5:28
+0:05
20K
12.43 mi11:08:071:08:055:2917:32
5:39
+0:11
Half
13.11 mi11:11:511:11:495:293:44
5:28
-0:11
25K
15.53 mi11:25:491:25:475:3113:58
5:46
+0:18
30K
18.64 mi11:44:121:44:105:3518:23
5:55
+0:09
20M
20.00 mi11:52:291:52:275:378:17
6:06
+0:11
21M
21.00 mi11:58:521:58:505:406:23
6:23
+0:17
35K
21.75 mi12:03:142:03:125:404:22
5:50
-0:33
23M
23.00 mi12:10:432:10:415:417:29
5:59
+0:09
24M
24.00 mi12:16:362:16:345:415:53
5:53
-0:06
40K
24.85 mi12:21:422:21:405:425:06
5:58
+0:05
25.2M
25.20 mi12:23:542:23:525:432:12
6:23
+0:25
Finish
26.22 mi12:29:442:29:425:435:50
5:43
-0:40

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

5:23 /mi

Average Pace

5:43 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:15

80% of race

Time at Steady Pace

20:52

14% of race

Time at Slower Pace

8:35

6% of race

Average Pace: 5:43 /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 mi10:16:5016:485:2416:48
5:24
#125
10K
6.21 mi10:33:3533:335:2416:45
5:23
#131
15K
9.32 mi10:50:3550:335:2517:00
5:28
#126
20K
12.43 mi11:08:071:08:055:2917:32
5:39
#146
Half
13.11 mi11:11:511:11:495:293:44
5:28
#145
25K
15.53 mi11:25:491:25:475:3113:58
5:46
#168
30K
18.64 mi11:44:121:44:105:3518:23
5:55
#193
20M
20.00 mi11:52:291:52:275:378:17
6:06
#194
21M
21.00 mi11:58:521:58:505:406:23
6:23
#195
35K
21.75 mi12:03:142:03:125:404:22
5:50
#197
23M
23.00 mi12:10:432:10:415:417:29
5:59
#191
24M
24.00 mi12:16:362:16:345:415:53
5:53
#188
40K
24.85 mi12:21:422:21:405:425:06
5:58
#192
25.2M
25.20 mi12:23:542:23:525:432:12
6:23
#191
Finish
26.22 mi12:29:442:29:425:435:50
5:43
#190
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi125124124140(Top 0.5%)120(Top 0.7%)120(Top 2%)
10K6.21 mi3.10 mi131-6110+14110+14127(Top 0.4%)106(Top 0.7%)106(Top 2%)
15K9.32 mi3.11 mi126+5105+5105+5140(Top 0.5%)120(Top 0.7%)120(Top 2%)
20K12.43 mi3.11 mi146-20123-18123-18248(Top 0.9%)222(Top 1%)222(Top 4%)
Half13.11 mi0.68 mi145+1122+1122+1171(Top 0.6%)151(Top 0.9%)151(Top 3%)
25K15.53 mi2.42 mi168-23143-21143-21356(Top 1%)330(Top 2%)330(Top 6%)
30K18.64 mi3.11 mi193-25170-27170-27373(Top 1%)346(Top 2%)346(Top 6%)
20M20.00 mi1.36 mi194-1171-1171-1516(Top 2%)483(Top 3%)483(Top 9%)
21M21.00 mi1.00 mi195-1173-2173-2476(Top 2%)447(Top 3%)447(Top 8%)
35K21.75 mi0.75 mi197-2175-2175-2412(Top 1%)384(Top 2%)384(Top 7%)
23M23.00 mi1.25 mi191+6170+5170+5306(Top 1%)284(Top 2%)284(Top 5%)
24M24.00 mi1.00 mi188+3167+3167+3358(Top 1%)331(Top 2%)331(Top 6%)
40K24.85 mi0.85 mi192-4171-4171-4341(Top 1%)315(Top 2%)315(Top 6%)
25.2M25.20 mi0.35 mi191+1170+1170+1282(Top 1.0%)260(Top 2%)260(Top 5%)
Finish26.22 mi1.02 mi190+1168+2168+2384(Top 1%)360(Top 2%)360(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 0.5%
×21stories
+97ft-345ft

Overall

140

Males

120

M18-39

120

5K→10K

3.1 - 6.2 mi

Top 0.4%
×5stories
+79ft-138ft

Overall

127

Males

106

M18-39

106

10K→15K

6.2 - 9.3 mi

Top 0.5%
×3stories
+67ft-78ft

Overall

140

Males

120

M18-39

120

15K→20K

9.3 - 12.4 mi

Top 0.9%
×5stories
+106ft-86ft

Overall

248

Males

222

M18-39

222

20K→Half

12.4 - 13.1 mi

Top 0.6%
×2stories
+19ft-37ft

Overall

171

Males

151

M18-39

151

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

356

Males

330

M18-39

330

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

373

Males

346

M18-39

346

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

516

Males

483

M18-39

483

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

476

Males

447

M18-39

447

21M→35K

21.0 - 21.8 mi

Top 1%
×7stories
+17ft-86ft

Overall

412

Males

384

M18-39

384

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

306

Males

284

M18-39

284

23M→24M

23.0 - 24.0 mi

Top 1%
×6stories
+12ft-82ft

Overall

358

Males

331

M18-39

331

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

341

Males

315

M18-39

315

40K→25.2M

24.9 - 25.2 mi

Top 1.0%
×1story
+13ft-16ft

Overall

282

Males

260

M18-39

260

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

384

Males

360

M18-39

360

Passing Analysis

Category:
Athletes Passed
68
Passed By
133
Net Change
-65
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#125
5K → 10K1723-6#125#131
10K → 15K94+5#131#126
15K → 20K222-20#126#146
20K → Half21+1#146#145
Half → 25K225-23#145#168
25K → 30K429-25#168#193
30K → 20M34-1#193#194
20M → 21M45-1#194#195
21M → 35K24-2#195#197
35K → 23M82+6#197#191
23M → 24M41+3#191#188
24M → 40K37-4#188#192
40K → 25.2M21+1#192#191
25.2M → Finish65+1#191#190
TOTALS68133-65
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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