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BOSTON MARATHON 2025

Colin Crowley

Bib: 12416•M

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 37%
Gender (Male)
#0 / 16105
Top 49%
Masters (Masters Men)
#0 / 10463
Top 39%
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:09
Rank: #8880
Start → 5K
22:09 | 7:08/mi
10K· 6.21 mi
44:17
Rank: #8846 (+34)
5K → 10K
22:08 | 7:07/mi
15K· 9.32 mi
1:06:53
Rank: #9124 (-278)
10K → 15K
22:36 | 7:16/mi
20K· 12.43 mi
1:29:45
Rank: #9180 (-56)
15K → 20K
22:52 | 7:22/mi
Half· 13.11 mi
1:34:49
Rank: #9280 (-100)
20K → Half
5:04 | 7:26/mi
25K· 15.53 mi
1:53:22
Rank: #9553 (-273)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:17:58
Rank: #9717 (-164)
25K → 30K
24:36 | 7:55/mi
20M
2:29:04
Rank: #9812 (-95)
30K → 20M
11:06 | 8:10/mi
21M
2:38:04
Rank: #10061 (-249)
20M → 21M
9:00 | 9:00/mi
35K· 21.75 mi
2:44:02
Rank: #10109 (-48)
21M → 35K
5:58 | 7:59/mi
23M
2:54:18
Rank: #10173 (-64)
35K → 23M
10:16 | 8:12/mi
24M
3:02:16
Rank: #10173
23M → 24M
7:58 | 7:58/mi
40K· 24.85 mi
3:09:20
Rank: #10214 (-41)
24M → 40K
7:04 | 8:16/mi
25.2M
3:12:26
Rank: #10230 (-16)
40K → 25.2M
3:06 | 8:59/mi
Finish· 26.22 mi
3:20:47
Rank: #10372 (-142)
25.2M → Finish
8:21 | 8:12/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:49
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:45:58
Pace8:05 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1022:097:0822:09
7:08
-
10K
6.21 mi11:12:1844:177:0822:08
7:07
-0:01
15K
9.32 mi11:34:541:06:537:1122:36
7:16
+0:09
20K
12.43 mi11:57:461:29:457:1322:52
7:22
+0:06
Half
13.11 mi12:02:501:34:497:145:04
7:26
+0:04
25K
15.53 mi12:21:231:53:227:1818:33
7:39
+0:13
30K
18.64 mi12:45:592:17:587:2424:36
7:55
+0:16
20M
20.00 mi12:57:052:29:047:2711:06
8:10
+0:15
21M
21.00 mi13:06:052:38:047:329:00
9:00
+0:50
35K
21.75 mi13:12:032:44:027:335:58
7:59
-1:01
23M
23.00 mi13:22:192:54:187:3510:16
8:12
+0:13
24M
24.00 mi13:30:173:02:167:367:58
7:58
-0:14
40K
24.85 mi13:37:213:09:207:377:04
8:16
+0:18
25.2M
25.20 mi13:40:273:12:267:383:06
8:59
+0:43
Finish
26.22 mi13:48:483:20:477:408:21
8:12
-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

7:07 /mi

Average Pace

7:40 /mi

Slowest Pace

9:00 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:22

56% of race

Time at Steady Pace

1:08:15

34% of race

Time at Slower Pace

19:10

10% of race

Average Pace: 7:39 /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 mi10:50:1022:097:0822:09
7:08
#8880
10K
6.21 mi11:12:1844:177:0822:08
7:07
#8846
15K
9.32 mi11:34:541:06:537:1122:36
7:16
#9124
20K
12.43 mi11:57:461:29:457:1322:52
7:22
#9180
Half
13.11 mi12:02:501:34:497:145:04
7:26
#9280
25K
15.53 mi12:21:231:53:227:1818:33
7:39
#9553
30K
18.64 mi12:45:592:17:587:2424:36
7:55
#9717
20M
20.00 mi12:57:052:29:047:2711:06
8:10
#9812
21M
21.00 mi13:06:052:38:047:329:00
9:00
#10061
35K
21.75 mi13:12:032:44:027:335:58
7:59
#10109
23M
23.00 mi13:22:192:54:187:3510:16
8:12
#10173
24M
24.00 mi13:30:173:02:167:367:58
7:58
#10173
40K
24.85 mi13:37:213:09:207:377:04
8:16
#10214
25.2M
25.20 mi13:40:273:12:267:383:06
8:59
#10230
Finish
26.22 mi13:48:483:20:477:408:21
8:12
#10372
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi8880753975399763(Top 34%)7957(Top 49%)7957(Top 333%)
10K6.21 mi3.10 mi8846+347506+337506+338867(Top 31%)7523(Top 47%)7523(Top 315%)
15K9.32 mi3.11 mi9124-2787657-1517657-1519763(Top 34%)7957(Top 49%)7957(Top 333%)
20K12.43 mi3.11 mi9180-567664-77664-79547(Top 34%)7765(Top 48%)7765(Top 325%)
Half13.11 mi0.68 mi9280-1007715-517715-5111044(Top 39%)8560(Top 53%)8560(Top 359%)
25K15.53 mi2.42 mi9553-2737824-1097824-10911139(Top 39%)8452(Top 52%)8452(Top 354%)
30K18.64 mi3.11 mi9717-1647856-327856-3210770(Top 38%)8067(Top 50%)8067(Top 338%)
20M20.00 mi1.36 mi9812-957882-267882-2611562(Top 41%)8311(Top 52%)8311(Top 348%)
21M21.00 mi1.00 mi10061-2497971-897971-8913461(Top 47%)9075(Top 56%)9075(Top 380%)
35K21.75 mi0.75 mi10109-487959+127959+1212068(Top 42%)8348(Top 52%)8348(Top 350%)
23M23.00 mi1.25 mi10173-647951+87951+811341(Top 40%)7908(Top 49%)7908(Top 331%)
24M24.00 mi1.00 mi101737919+327919+3210974(Top 39%)7649(Top 47%)7649(Top 321%)
40K24.85 mi0.85 mi10214-417905+147905+1411925(Top 42%)8006(Top 50%)8006(Top 336%)
25.2M25.20 mi0.35 mi10230-167902+37902+311683(Top 41%)7817(Top 49%)7817(Top 328%)
Finish26.22 mi1.02 mi10372-1427941-397941-3914191(Top 50%)9101(Top 57%)9101(Top 381%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21stories
+97ft-345ft

Overall

9763

Males

7957

M45-49

7957

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8867

Males

7523

M45-49

7523

10K→15K

6.2 - 9.3 mi

Top 34%
×3stories
+67ft-78ft

Overall

9763

Males

7957

M45-49

7957

15K→20K

9.3 - 12.4 mi

Top 34%
×5stories
+106ft-86ft

Overall

9547

Males

7765

M45-49

7765

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

11044

Males

8560

M45-49

8560

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11139

Males

8452

M45-49

8452

25K→30K

15.5 - 18.6 mi

Top 38%
×9stories
+181ft-148ft

Overall

10770

Males

8067

M45-49

8067

30K→20M

18.6 - 20.0 mi

Top 41%
×5stories
+64ft-50ft

Overall

11562

Males

8311

M45-49

8311

20M→21M

20.0 - 21.0 mi

Top 47%
×8stories
+106ft-24ft

Overall

13461

Males

9075

M45-49

9075

21M→35K

21.0 - 21.8 mi

Top 42%
×7stories
+17ft-86ft

Overall

12068

Males

8348

M45-49

8348

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11341

Males

7908

M45-49

7908

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10974

Males

7649

M45-49

7649

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11925

Males

8006

M45-49

8006

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11683

Males

7817

M45-49

7817

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2stories
+22ft-21ft

Overall

14191

Males

9101

M45-49

9101

Passing Analysis

Category:
Athletes Passed
1233
Passed By
2721
Net Change
-1492
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8880
5K → 10K238204+34#8880#8846
10K → 15K78356-278#8846#9124
15K → 20K152208-56#9124#9180
20K → Half7107-100#9180#9280
Half → 25K91364-273#9280#9553
25K → 30K179343-164#9553#9717
30K → 20M85179-95#9717#9812
20M → 21M46293-249#9812#10061
21M → 35K57104-48#10061#10109
35K → 23M80144-64#10109#10173
23M → 24M84840#10173#10173
24M → 40K62103-41#10173#10214
40K → 25.2M3753-16#10214#10230
25.2M → Finish37179-142#10230#10372
TOTALS12332721-1492
📊

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