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BOSTON MARATHON 2025

Colin Smith

Bib: 1472•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:52
Rank: #1310
Start → 5K
18:52 | 6:04/mi
10K· 6.21 mi
37:43
Rank: #1305 (+5)
5K → 10K
18:51 | 6:04/mi
15K· 9.32 mi
56:33
Rank: #1256 (+49)
10K → 15K
18:50 | 6:04/mi
20K· 12.43 mi
1:15:32
Rank: #1224 (+32)
15K → 20K
18:59 | 6:07/mi
Half· 13.11 mi
1:19:35
Rank: #1207 (+17)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:34:11
Rank: #1134 (+73)
Half → 25K
14:36 | 6:01/mi
30K· 18.64 mi
1:53:09
Rank: #1032 (+102)
25K → 30K
18:58 | 6:06/mi
20M
2:01:27
Rank: #952 (+80)
30K → 20M
8:18 | 6:06/mi
21M
2:07:52
Rank: #901 (+51)
20M → 21M
6:25 | 6:25/mi
35K· 21.75 mi
2:12:16
Rank: #866 (+35)
21M → 35K
4:24 | 5:53/mi
23M
2:19:49
Rank: #820 (+46)
35K → 23M
7:33 | 6:02/mi
24M
2:25:45
Rank: #787 (+33)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:30:53
Rank: #755 (+32)
24M → 40K
5:08 | 6:00/mi
25.2M
2:33:08
Rank: #744 (+11)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:39:10
Rank: #728 (+16)
25.2M → Finish
6:02 | 5:55/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:19:35
Pace6:04 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:19:35
Pace6:04 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2518:526:0418:52
6:04
-
10K
6.21 mi10:39:1637:436:0418:51
6:04
0:00
15K
9.32 mi10:58:0656:336:0418:50
6:04
0:00
20K
12.43 mi11:17:051:15:326:0518:59
6:07
+0:03
Half
13.11 mi11:21:081:19:356:044:03
5:56
-0:11
25K
15.53 mi11:35:441:34:116:0414:36
6:01
+0:05
30K
18.64 mi11:54:421:53:096:0418:58
6:06
+0:05
20M
20.00 mi12:03:002:01:276:048:18
6:06
0:00
21M
21.00 mi12:09:252:07:526:056:25
6:25
+0:19
35K
21.75 mi12:13:492:12:166:054:24
5:53
-0:32
23M
23.00 mi12:21:222:19:496:057:33
6:02
+0:09
24M
24.00 mi12:27:182:25:456:045:56
5:56
-0:06
40K
24.85 mi12:32:262:30:536:045:08
6:00
+0:04
25.2M
25.20 mi12:34:412:33:086:052:15
6:31
+0:31
Finish
26.22 mi12:40:432:39:106:056:02
5:55
-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

5:53 /mi

Average Pace

6:05 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:55

99% of race

Time at Steady Pace

2:15

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:04 /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 mi10:20:2518:526:0418:52
6:04
#1310
10K
6.21 mi10:39:1637:436:0418:51
6:04
#1305
15K
9.32 mi10:58:0656:336:0418:50
6:04
#1256
20K
12.43 mi11:17:051:15:326:0518:59
6:07
#1224
Half
13.11 mi11:21:081:19:356:044:03
5:56
#1207
25K
15.53 mi11:35:441:34:116:0414:36
6:01
#1134
30K
18.64 mi11:54:421:53:096:0418:58
6:06
#1032
20M
20.00 mi12:03:002:01:276:048:18
6:06
#952
21M
21.00 mi12:09:252:07:526:056:25
6:25
#901
35K
21.75 mi12:13:492:12:166:054:24
5:53
#866
23M
23.00 mi12:21:222:19:496:057:33
6:02
#820
24M
24.00 mi12:27:182:25:456:045:56
5:56
#787
40K
24.85 mi12:32:262:30:536:045:08
6:00
#755
25.2M
25.20 mi12:34:412:33:086:052:15
6:31
#744
Finish
26.22 mi12:40:432:39:106:056:02
5:55
#728
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1310124512451228(Top 4%)1164(Top 7%)1164(Top 21%)
10K6.21 mi3.10 mi1305+51242+31242+31343(Top 5%)1273(Top 8%)1273(Top 23%)
15K9.32 mi3.11 mi1256+491193+491193+491228(Top 4%)1164(Top 7%)1164(Top 21%)
20K12.43 mi3.11 mi1224+321159+341159+341194(Top 4%)1129(Top 7%)1129(Top 20%)
Half13.11 mi0.68 mi1207+171144+151144+15913(Top 3%)863(Top 5%)863(Top 15%)
25K15.53 mi2.42 mi1134+731072+721072+72855(Top 3%)802(Top 5%)802(Top 14%)
30K18.64 mi3.11 mi1032+102972+100972+100693(Top 2%)649(Top 4%)649(Top 12%)
20M20.00 mi1.36 mi952+80894+78894+78550(Top 2%)517(Top 3%)517(Top 9%)
21M21.00 mi1.00 mi901+51847+47847+47541(Top 2%)511(Top 3%)511(Top 9%)
35K21.75 mi0.75 mi866+35813+34813+34506(Top 2%)471(Top 3%)471(Top 8%)
23M23.00 mi1.25 mi820+46768+45768+45390(Top 1%)367(Top 2%)367(Top 7%)
24M24.00 mi1.00 mi787+33737+31737+31459(Top 2%)425(Top 3%)425(Top 8%)
40K24.85 mi0.85 mi755+32706+31706+31398(Top 1%)370(Top 2%)370(Top 7%)
25.2M25.20 mi0.35 mi744+11695+11695+11485(Top 2%)450(Top 3%)450(Top 8%)
Finish26.22 mi1.02 mi728+16678+17678+17725(Top 3%)681(Top 4%)681(Top 12%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1228

Males

1164

M18-39

1164

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1343

Males

1273

M18-39

1273

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1228

Males

1164

M18-39

1164

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1194

Males

1129

M18-39

1129

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

913

Males

863

M18-39

863

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

855

Males

802

M18-39

802

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

693

Males

649

M18-39

649

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

550

Males

517

M18-39

517

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

541

Males

511

M18-39

511

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

506

Males

471

M18-39

471

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

390

Males

367

M18-39

367

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

459

Males

425

M18-39

425

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

398

Males

370

M18-39

370

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

485

Males

450

M18-39

450

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

725

Males

681

M18-39

681

Passing Analysis

Category:
Athletes Passed
717
Passed By
135
Net Change
+582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1310
5K → 10K6257+5#1310#1305
10K → 15K6718+49#1305#1256
15K → 20K6129+32#1256#1224
20K → Half170+17#1224#1207
Half → 25K785+73#1207#1134
25K → 30K1108+102#1134#1032
30K → 20M800+80#1032#952
20M → 21M532+51#952#901
21M → 35K361+35#901#866
35K → 23M471+46#866#820
23M → 24M363+33#820#787
24M → 40K342+32#787#755
40K → 25.2M143+11#755#744
25.2M → Finish226+16#744#728
TOTALS717135+582
📊

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