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BOSTON MARATHON 2025

Kent Smith

Bib: 744•M

IL

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 1.0%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 4%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:06
Rank: #657
Start → 5K
18:06 | 5:50/mi
10K· 6.21 mi
36:29
Rank: #733 (-76)
5K → 10K
18:23 | 5:55/mi
15K· 9.32 mi
54:33
Rank: #666 (+67)
10K → 15K
18:04 | 5:49/mi
20K· 12.43 mi
1:12:44
Rank: #617 (+49)
15K → 20K
18:11 | 5:51/mi
Half· 13.11 mi
1:16:40
Rank: #612 (+5)
20K → Half
3:56 | 5:46/mi
25K· 15.53 mi
1:30:44
Rank: #568 (+44)
Half → 25K
14:04 | 5:48/mi
30K· 18.64 mi
1:48:26
Rank: #464 (+104)
25K → 30K
17:42 | 5:42/mi
20M
1:56:18
Rank: #427 (+37)
30K → 20M
7:52 | 5:47/mi
21M
2:02:26
Rank: #401 (+26)
20M → 21M
6:08 | 6:08/mi
35K· 21.75 mi
2:06:34
Rank: #385 (+16)
21M → 35K
4:08 | 5:31/mi
23M
2:13:47
Rank: #352 (+33)
35K → 23M
7:13 | 5:46/mi
24M
2:19:28
Rank: #328 (+24)
23M → 24M
5:41 | 5:41/mi
40K· 24.85 mi
2:24:20
Rank: #297 (+31)
24M → 40K
4:52 | 5:42/mi
25.2M
2:26:28
Rank: #294 (+3)
40K → 25.2M
2:08 | 6:11/mi
Finish· 26.22 mi
2:32:09
Rank: #277 (+17)
25.2M → Finish
5:41 | 5:35/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:16:40
Pace5:51 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:15:29
Pace5:45 /mi
📊Negative Split: 1.5% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1318:065:5018:06
5:50
-
10K
6.21 mi10:36:3636:295:5218:23
5:55
+0:05
15K
9.32 mi10:54:4054:335:5118:04
5:49
-0:06
20K
12.43 mi11:12:511:12:445:5118:11
5:51
+0:02
Half
13.11 mi11:16:471:16:405:513:56
5:46
-0:05
25K
15.53 mi11:30:511:30:445:5014:04
5:48
+0:02
30K
18.64 mi11:48:331:48:265:4917:42
5:42
-0:06
20M
20.00 mi11:56:251:56:185:497:52
5:47
+0:05
21M
21.00 mi12:02:332:02:265:506:08
6:08
+0:21
35K
21.75 mi12:06:412:06:345:494:08
5:31
-0:37
23M
23.00 mi12:13:542:13:475:497:13
5:46
+0:15
24M
24.00 mi12:19:352:19:285:495:41
5:41
-0:05
40K
24.85 mi12:24:272:24:205:484:52
5:42
+0:01
25.2M
25.20 mi12:26:352:26:285:492:08
6:11
+0:29
Finish
26.22 mi12:32:162:32:095:485:41
5:35
-0:36

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

5:31 /mi

Average Pace

5:48 /mi

Slowest Pace

6:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:53

95% of race

Time at Steady Pace

8:16

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:48 /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 mi10:18:1318:065:5018:06
5:50
#657
10K
6.21 mi10:36:3636:295:5218:23
5:55
#733
15K
9.32 mi10:54:4054:335:5118:04
5:49
#666
20K
12.43 mi11:12:511:12:445:5118:11
5:51
#617
Half
13.11 mi11:16:471:16:405:513:56
5:46
#612
25K
15.53 mi11:30:511:30:445:5014:04
5:48
#568
30K
18.64 mi11:48:331:48:265:4917:42
5:42
#464
20M
20.00 mi11:56:251:56:185:497:52
5:47
#427
21M
21.00 mi12:02:332:02:265:506:08
6:08
#401
35K
21.75 mi12:06:412:06:345:494:08
5:31
#385
23M
23.00 mi12:13:542:13:475:497:13
5:46
#352
24M
24.00 mi12:19:352:19:285:495:41
5:41
#328
40K
24.85 mi12:24:272:24:205:484:52
5:42
#297
25.2M
25.20 mi12:26:352:26:285:492:08
6:11
#294
Finish
26.22 mi12:32:162:32:095:485:41
5:35
#277
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi657610610545(Top 2%)508(Top 3%)508(Top 9%)
10K6.21 mi3.10 mi733-76683-73683-73864(Top 3%)811(Top 5%)811(Top 14%)
15K9.32 mi3.11 mi666+67618+65618+65545(Top 2%)508(Top 3%)508(Top 9%)
20K12.43 mi3.11 mi617+49571+47571+47516(Top 2%)476(Top 3%)476(Top 8%)
Half13.11 mi0.68 mi612+5566+5566+5496(Top 2%)464(Top 3%)464(Top 8%)
25K15.53 mi2.42 mi568+44523+43523+43410(Top 1%)380(Top 2%)380(Top 7%)
30K18.64 mi3.11 mi464+104429+94429+94172(Top 0.6%)150(Top 0.9%)150(Top 3%)
20M20.00 mi1.36 mi427+37393+36393+36178(Top 0.6%)162(Top 1%)162(Top 3%)
21M21.00 mi1.00 mi401+26369+24369+24215(Top 0.8%)199(Top 1%)199(Top 4%)
35K21.75 mi0.75 mi385+16355+14355+14133(Top 0.5%)119(Top 0.7%)119(Top 2%)
23M23.00 mi1.25 mi352+33325+30325+30138(Top 0.5%)129(Top 0.8%)129(Top 2%)
24M24.00 mi1.00 mi328+24301+24301+24176(Top 0.6%)162(Top 1%)162(Top 3%)
40K24.85 mi0.85 mi297+31271+30271+30129(Top 0.5%)121(Top 0.8%)121(Top 2%)
25.2M25.20 mi0.35 mi294+3268+3268+3147(Top 0.5%)139(Top 0.9%)139(Top 2%)
Finish26.22 mi1.02 mi277+17253+15253+15205(Top 0.7%)193(Top 1%)193(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

545

Males

508

M18-39

508

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

864

Males

811

M18-39

811

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

545

Males

508

M18-39

508

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

516

Males

476

M18-39

476

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

496

Males

464

M18-39

464

Half→25K

13.1 - 15.5 mi

Top 1%
×4stories
+66ft-88ft

Overall

410

Males

380

M18-39

380

25K→30K

15.5 - 18.6 mi

Top 0.6%
×9stories
+181ft-148ft

Overall

172

Males

150

M18-39

150

30K→20M

18.6 - 20.0 mi

Top 0.6%
×5stories
+64ft-50ft

Overall

178

Males

162

M18-39

162

20M→21M

20.0 - 21.0 mi

Top 0.8%
×8stories
+106ft-24ft

Overall

215

Males

199

M18-39

199

21M→35K

21.0 - 21.8 mi

Top 0.5%
×7stories
+17ft-86ft

Overall

133

Males

119

M18-39

119

35K→23M

21.8 - 23.0 mi

Top 0.5%
×5stories
+23ft-63ft

Overall

138

Males

129

M18-39

129

23M→24M

23.0 - 24.0 mi

Top 0.6%
×6stories
+12ft-82ft

Overall

176

Males

162

M18-39

162

24M→40K

24.0 - 24.9 mi

Top 0.5%
×1story
+6ft-20ft

Overall

129

Males

121

M18-39

121

40K→25.2M

24.9 - 25.2 mi

Top 0.5%
×1story
+13ft-16ft

Overall

147

Males

139

M18-39

139

25.2M→Finish

25.2 - 26.2 mi

Top 0.7%
×2stories
+22ft-21ft

Overall

205

Males

193

M18-39

193

Passing Analysis

Category:
Athletes Passed
483
Passed By
103
Net Change
+380
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#657
5K → 10K1288-76#657#733
10K → 15K692+67#733#666
15K → 20K578+49#666#617
20K → Half50+5#617#612
Half → 25K462+44#612#568
25K → 30K1040+104#568#464
30K → 20M370+37#464#427
20M → 21M271+26#427#401
21M → 35K160+16#401#385
35K → 23M330+33#385#352
23M → 24M251+24#352#328
24M → 40K310+31#328#297
40K → 25.2M30+3#297#294
25.2M → Finish181+17#294#277
TOTALS483103+380
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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