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BOSTON MARATHON 2025

Adam Mccollor

Bib: 453•M

MN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 2%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:22
Rank: #291
Start → 5K
17:22 | 5:35/mi
10K· 6.21 mi
34:48
Rank: #297 (-6)
5K → 10K
17:26 | 5:37/mi
15K· 9.32 mi
52:29
Rank: #307 (-10)
10K → 15K
17:41 | 5:42/mi
20K· 12.43 mi
1:10:15
Rank: #316 (-9)
15K → 20K
17:46 | 5:43/mi
Half· 13.11 mi
1:14:05
Rank: #317 (-1)
20K → Half
3:50 | 5:37/mi
25K· 15.53 mi
1:28:13
Rank: #333 (-16)
Half → 25K
14:08 | 5:50/mi
30K· 18.64 mi
1:46:59
Rank: #359 (-26)
25K → 30K
18:46 | 6:02/mi
20M
1:55:25
Rank: #362 (-3)
30K → 20M
8:26 | 6:12/mi
21M
2:01:53
Rank: #361 (+1)
20M → 21M
6:28 | 6:28/mi
35K· 21.75 mi
2:06:28
Rank: #382 (-21)
21M → 35K
4:35 | 6:08/mi
23M
2:14:33
Rank: #394 (-12)
35K → 23M
8:05 | 6:27/mi
24M
2:20:52
Rank: #407 (-13)
23M → 24M
6:19 | 6:19/mi
40K· 24.85 mi
2:26:24
Rank: #417 (-10)
24M → 40K
5:32 | 6:28/mi
25.2M
2:28:45
Rank: #421 (-4)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:34:54
Rank: #429 (-8)
25.2M → Finish
6:09 | 6:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:05
Pace5:39 /mi
2nd Half
Distance13.11 mi
Time1:20:49
Pace6:10 /mi
📊Positive Split: 9.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:3217:225:3517:22
5:35
-
10K
6.21 mi10:34:5834:485:3617:26
5:37
+0:02
15K
9.32 mi10:52:3952:295:3817:41
5:42
+0:05
20K
12.43 mi11:10:251:10:155:3917:46
5:43
+0:01
Half
13.11 mi11:14:151:14:055:393:50
5:37
-0:06
25K
15.53 mi11:28:231:28:135:4114:08
5:50
+0:13
30K
18.64 mi11:47:091:46:595:4418:46
6:02
+0:12
20M
20.00 mi11:55:351:55:255:468:26
6:12
+0:10
21M
21.00 mi12:02:032:01:535:486:28
6:28
+0:16
35K
21.75 mi12:06:382:06:285:494:35
6:08
-0:20
23M
23.00 mi12:14:432:14:335:518:05
6:27
+0:19
24M
24.00 mi12:21:022:20:525:526:19
6:19
-0:08
40K
24.85 mi12:26:342:26:245:535:32
6:28
+0:09
25.2M
25.20 mi12:28:552:28:455:542:21
6:49
+0:21
Finish
26.22 mi12:35:042:34:545:556:09
6:02
-0:47

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

5:35 /mi

Average Pace

5:55 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:28:13

57% of race

Time at Steady Pace

37:56

24% of race

Time at Slower Pace

28:45

19% of race

Average Pace: 5:54 /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 mi10:17:3217:225:3517:22
5:35
#291
10K
6.21 mi10:34:5834:485:3617:26
5:37
#297
15K
9.32 mi10:52:3952:295:3817:41
5:42
#307
20K
12.43 mi11:10:251:10:155:3917:46
5:43
#316
Half
13.11 mi11:14:151:14:055:393:50
5:37
#317
25K
15.53 mi11:28:231:28:135:4114:08
5:50
#333
30K
18.64 mi11:47:091:46:595:4418:46
6:02
#359
20M
20.00 mi11:55:351:55:255:468:26
6:12
#362
21M
21.00 mi12:02:032:01:535:486:28
6:28
#361
35K
21.75 mi12:06:382:06:285:494:35
6:08
#382
23M
23.00 mi12:14:432:14:335:518:05
6:27
#394
24M
24.00 mi12:21:022:20:525:526:19
6:19
#407
40K
24.85 mi12:26:342:26:245:535:32
6:28
#417
25.2M
25.20 mi12:28:552:28:455:542:21
6:49
#421
Finish
26.22 mi12:35:042:34:545:556:09
6:02
#429
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi291263263368(Top 1%)339(Top 2%)339(Top 6%)
10K6.21 mi3.10 mi297-6268-5268-5312(Top 1%)283(Top 2%)283(Top 5%)
15K9.32 mi3.11 mi307-10278-10278-10368(Top 1%)339(Top 2%)339(Top 6%)
20K12.43 mi3.11 mi316-9287-9287-9343(Top 1%)314(Top 2%)314(Top 6%)
Half13.11 mi0.68 mi317-1288-1288-1330(Top 1%)304(Top 2%)304(Top 5%)
25K15.53 mi2.42 mi333-16305-17305-17456(Top 2%)423(Top 3%)423(Top 7%)
30K18.64 mi3.11 mi359-26328-23328-23558(Top 2%)520(Top 3%)520(Top 9%)
20M20.00 mi1.36 mi362-3332-4332-4728(Top 3%)686(Top 4%)686(Top 12%)
21M21.00 mi1.00 mi361+1331+1331+1600(Top 2%)564(Top 4%)564(Top 10%)
35K21.75 mi0.75 mi382-21352-21352-21993(Top 3%)934(Top 6%)934(Top 17%)
23M23.00 mi1.25 mi394-12365-13365-131300(Top 5%)1221(Top 8%)1221(Top 22%)
24M24.00 mi1.00 mi407-13376-11376-111334(Top 5%)1246(Top 8%)1246(Top 22%)
40K24.85 mi0.85 mi417-10385-9385-91482(Top 5%)1369(Top 9%)1369(Top 24%)
25.2M25.20 mi0.35 mi421-4389-4389-4957(Top 3%)875(Top 5%)875(Top 16%)
Finish26.22 mi1.02 mi429-8393-4393-4984(Top 3%)922(Top 6%)922(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21stories
+97ft-345ft

Overall

368

Males

339

M18-39

339

5K→10K

3.1 - 6.2 mi

Top 1%
×5stories
+79ft-138ft

Overall

312

Males

283

M18-39

283

10K→15K

6.2 - 9.3 mi

Top 1%
×3stories
+67ft-78ft

Overall

368

Males

339

M18-39

339

15K→20K

9.3 - 12.4 mi

Top 1%
×5stories
+106ft-86ft

Overall

343

Males

314

M18-39

314

20K→Half

12.4 - 13.1 mi

Top 1%
×2stories
+19ft-37ft

Overall

330

Males

304

M18-39

304

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

456

Males

423

M18-39

423

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

558

Males

520

M18-39

520

30K→20M

18.6 - 20.0 mi

Top 3%
×5stories
+64ft-50ft

Overall

728

Males

686

M18-39

686

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

600

Males

564

M18-39

564

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

993

Males

934

M18-39

934

35K→23M

21.8 - 23.0 mi

Top 5%
×5stories
+23ft-63ft

Overall

1300

Males

1221

M18-39

1221

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1334

Males

1246

M18-39

1246

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1482

Males

1369

M18-39

1369

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

957

Males

875

M18-39

875

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

984

Males

922

M18-39

922

Passing Analysis

Category:
Athletes Passed
94
Passed By
232
Net Change
-138
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#291
5K → 10K1420-6#291#297
10K → 15K919-10#297#307
15K → 20K1221-9#307#316
20K → Half23-1#316#317
Half → 25K824-16#317#333
25K → 30K733-26#333#359
30K → 20M710-3#359#362
20M → 21M98+1#362#361
21M → 35K122-21#361#382
35K → 23M618-12#382#394
23M → 24M417-13#394#407
24M → 40K515-10#407#417
40K → 25.2M37-4#417#421
25.2M → Finish715-8#421#429
TOTALS94232-138
📊

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