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BOSTON MARATHON 2025

Colin Logsdon

Bib: 3626•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 50%
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:24
Rank: #4337
Start → 5K
6:34/mi
20:24 split
10K· 6.21 mi
40:50
Rank: #4295 (+42)
5K → 10K
6:35/mi
20:26 split
15K· 9.32 mi
1:02:26
Rank: #5249 (-954)
10K → 15K
6:57/mi
21:36 split
20K· 12.43 mi
1:24:06
Rank: #5653 (-404)
15K → 20K
6:58/mi
21:40 split
Half· 13.11 mi
1:28:51
Rank: #5757 (-104)
20K → Half
6:58/mi
4:45 split
25K· 15.53 mi
1:46:23
Rank: #6147 (-390)
Half → 25K
7:14/mi
17:32 split
30K· 18.64 mi
2:10:59
Rank: #6841 (-694)
25K → 30K
7:55/mi
24:36 split
20M
2:22:23
Rank: #7191 (-350)
30K → 20M
8:23/mi
11:24 split
21M
2:31:38
Rank: #7520 (-329)
20M → 21M
9:15/mi
9:15 split
35K· 21.75 mi
2:38:27
Rank: #7940 (-420)
21M → 35K
9:07/mi
6:49 split
23M
2:49:47
Rank: #8471 (-531)
35K → 23M
9:03/mi
11:20 split
24M
2:58:55
Rank: #8987 (-516)
23M → 24M
9:08/mi
9:08 split
40K· 24.85 mi
3:06:44
Rank: #9353 (-366)
24M → 40K
9:09/mi
7:49 split
25.2M
3:10:21
Rank: #9547 (-194)
40K → 25.2M
10:29/mi
3:37 split
Finish· 26.22 mi
3:21:18
Rank: #10521 (-974)
25.2M → Finish
10:45/mi
10:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:51
Pace6:47 /mi
2nd Half
Distance13.11 mi
Time1:52:27
Pace8:35 /mi
📊Positive Split: 26.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3820:246:3420:24
6:34
-
10K
6.21 mi10:43:0440:506:3420:26
6:35
+0:01
15K
9.32 mi11:04:401:02:266:4221:36
6:57
+0:22
20K
12.43 mi11:26:201:24:066:4621:40
6:58
+0:01
Half
13.11 mi11:31:051:28:516:474:45
6:58
0:00
25K
15.53 mi11:48:371:46:236:5117:32
7:14
+0:16
30K
18.64 mi12:13:132:10:597:0224:36
7:55
+0:41
20M
20.00 mi12:24:372:22:237:0711:24
8:23
+0:28
21M
21.00 mi12:33:522:31:387:139:15
9:15
+0:52
35K
21.75 mi12:40:412:38:277:176:49
9:07
-0:08
23M
23.00 mi12:52:012:49:477:2311:20
9:03
-0:04
24M
24.00 mi13:01:092:58:557:279:08
9:08
+0:05
40K
24.85 mi13:08:583:06:447:317:49
9:09
+0:01
25.2M
25.20 mi13:12:353:10:217:333:37
10:29
+1:20
Finish
26.22 mi13:23:323:21:187:4110:57
10:45
+0:16

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

6:34 /mi

Average Pace

7:41 /mi

Slowest Pace

10:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:23

53% of race

Time at Steady Pace

47:20

24% of race

Time at Slower Pace

47:35

24% of race

Average Pace: 7:41 /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 mi10:22:3820:246:3420:24
6:34
#4337
10K
6.21 mi10:43:0440:506:3420:26
6:35
#4295
15K
9.32 mi11:04:401:02:266:4221:36
6:57
#5249
20K
12.43 mi11:26:201:24:066:4621:40
6:58
#5653
Half
13.11 mi11:31:051:28:516:474:45
6:58
#5757
25K
15.53 mi11:48:371:46:236:5117:32
7:14
#6147
30K
18.64 mi12:13:132:10:597:0224:36
7:55
#6841
20M
20.00 mi12:24:372:22:237:0711:24
8:23
#7191
21M
21.00 mi12:33:522:31:387:139:15
9:15
#7520
35K
21.75 mi12:40:412:38:277:176:49
9:07
#7940
23M
23.00 mi12:52:012:49:477:2311:20
9:03
#8471
24M
24.00 mi13:01:092:58:557:279:08
9:08
#8987
40K
24.85 mi13:08:583:06:447:317:49
9:09
#9353
25.2M
25.20 mi13:12:353:10:217:333:37
10:29
#9547
Finish
26.22 mi13:23:323:21:187:4110:57
10:45
#10521
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4337407840787328(Top 26%)6499(Top 40%)6499(Top 115%)
10K6.21 mi3.10 mi4295+424039+394039+394289(Top 15%)4031(Top 25%)4031(Top 71%)
15K9.32 mi3.11 mi5249-9544873-8344873-8347328(Top 26%)6499(Top 40%)6499(Top 115%)
20K12.43 mi3.11 mi5653-4045193-3205193-3206725(Top 24%)6000(Top 37%)6000(Top 106%)
Half13.11 mi0.68 mi5757-1045284-915284-917327(Top 26%)6469(Top 40%)6469(Top 115%)
25K15.53 mi2.42 mi6147-3905572-2885572-2887835(Top 28%)6664(Top 41%)6664(Top 118%)
30K18.64 mi3.11 mi6841-6946087-5156087-51510771(Top 38%)8068(Top 50%)8068(Top 143%)
20M20.00 mi1.36 mi7191-3506317-2306317-23013043(Top 46%)9002(Top 56%)9002(Top 160%)
21M21.00 mi1.00 mi7520-3296497-1806497-18014866(Top 52%)9721(Top 60%)9721(Top 172%)
35K21.75 mi0.75 mi7940-4206743-2466743-24618722(Top 66%)11348(Top 70%)11348(Top 201%)
23M23.00 mi1.25 mi8471-5317028-2857028-28516525(Top 58%)10293(Top 64%)10293(Top 182%)
24M24.00 mi1.00 mi8987-5167297-2697297-26918008(Top 63%)10919(Top 68%)10919(Top 194%)
40K24.85 mi0.85 mi9353-3667465-1687465-16817041(Top 60%)10382(Top 64%)10382(Top 184%)
25.2M25.20 mi0.35 mi9547-1947553-887553-8818895(Top 67%)11250(Top 70%)11250(Top 199%)
Finish26.22 mi1.02 mi10521-9748010-4578010-45724821(Top 87%)14178(Top 88%)14178(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21stories
+97ft-345ft

Overall

7328

Males

6499

M18-39

6499

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4289

Males

4031

M18-39

4031

10K→15K

6.2 - 9.3 mi

Top 26%
×3stories
+67ft-78ft

Overall

7328

Males

6499

M18-39

6499

15K→20K

9.3 - 12.4 mi

Top 24%
×5stories
+106ft-86ft

Overall

6725

Males

6000

M18-39

6000

20K→Half

12.4 - 13.1 mi

Top 26%
×2stories
+19ft-37ft

Overall

7327

Males

6469

M18-39

6469

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7835

Males

6664

M18-39

6664

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10771

Males

8068

M18-39

8068

30K→20M

18.6 - 20.0 mi

Top 46%
×5stories
+64ft-50ft

Overall

13043

Males

9002

M18-39

9002

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14866

Males

9721

M18-39

9721

21M→35K

21.0 - 21.8 mi

Top 66%
×7stories
+17ft-86ft

Overall

18722

Males

11348

M18-39

11348

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16525

Males

10293

M18-39

10293

23M→24M

23.0 - 24.0 mi

Top 63%
×6stories
+12ft-82ft

Overall

18008

Males

10919

M18-39

10919

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17041

Males

10382

M18-39

10382

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18895

Males

11250

M18-39

11250

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24821

Males

14178

M18-39

14178

Passing Analysis

Category:
Athletes Passed
451
Passed By
6633
Net Change
-6184
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4337
5K → 10K159117+42#4337#4295
10K → 15K9963-954#4295#5249
15K → 20K44448-404#5249#5653
20K → Half3107-104#5653#5757
Half → 25K58448-390#5757#6147
25K → 30K51745-694#6147#6841
30K → 20M30380-350#6841#7191
20M → 21M21350-329#7191#7520
21M → 35K7427-420#7520#7940
35K → 23M23554-531#7940#8471
23M → 24M13529-516#8471#8987
24M → 40K23389-366#8987#9353
40K → 25.2M7201-194#9353#9547
25.2M → Finish3975-974#9547#10521
TOTALS4516633-6184
📊

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