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BOSTON MARATHON 2025

Collin Regan

Bib: 852•M

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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Division (M18-39)
#0 / 5642
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:37
Rank: #1061
Start → 5K
18:37 | 6:00/mi
10K· 6.21 mi
36:58
Rank: #940 (+121)
5K → 10K
18:21 | 5:54/mi
15K· 9.32 mi
55:16
Rank: #870 (+70)
10K → 15K
18:18 | 5:53/mi
20K· 12.43 mi
1:13:32
Rank: #781 (+89)
15K → 20K
18:16 | 5:53/mi
Half· 13.11 mi
1:17:32
Rank: #774 (+7)
20K → Half
4:00 | 5:52/mi
25K· 15.53 mi
1:31:46
Rank: #717 (+57)
Half → 25K
14:14 | 5:52/mi
30K· 18.64 mi
1:50:08
Rank: #610 (+107)
25K → 30K
18:22 | 5:55/mi
20M
1:58:15
Rank: #577 (+33)
30K → 20M
8:07 | 5:58/mi
21M
2:04:57
Rank: #584 (-7)
20M → 21M
6:42 | 6:42/mi
35K· 21.75 mi
2:09:40
Rank: #612 (-28)
21M → 35K
4:43 | 6:18/mi
23M
2:19:59
Rank: #837 (-225)
35K → 23M
10:19 | 8:14/mi
24M
2:31:45
Rank: #1604 (-767)
23M → 24M
11:46 | 11:46/mi
40K· 24.85 mi
2:39:26
Rank: #1977 (-373)
24M → 40K
7:41 | 8:59/mi
25.2M
2:42:11
Rank: #2016 (-39)
40K → 25.2M
2:45 | 7:58/mi
Finish· 26.22 mi
2:48:59
Rank: #2076 (-60)
25.2M → Finish
6:48 | 6:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:32
Pace5:55 /mi
2nd Half
Distance13.11 mi
Time1:31:27
Pace6:59 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:5218:376:0018:37
6:00
-
10K
6.21 mi10:37:1336:585:5718:21
5:54
-0:06
15K
9.32 mi10:55:3155:165:5618:18
5:53
-0:01
20K
12.43 mi11:13:471:13:325:5518:16
5:53
0:00
Half
13.11 mi11:17:471:17:325:554:00
5:52
-0:01
25K
15.53 mi11:32:011:31:465:5414:14
5:52
0:00
30K
18.64 mi11:50:231:50:085:5418:22
5:55
+0:03
20M
20.00 mi11:58:301:58:155:558:07
5:58
+0:03
21M
21.00 mi12:05:122:04:575:576:42
6:42
+0:44
35K
21.75 mi12:09:552:09:405:584:43
6:18
-0:24
23M
23.00 mi12:20:142:19:596:0510:19
8:14
+1:56
24M
24.00 mi12:32:002:31:456:1911:46
11:46
+3:32
40K
24.85 mi12:39:412:39:266:257:41
8:59
-2:47
25.2M
25.20 mi12:42:262:42:116:262:45
7:58
-1:01
Finish
26.22 mi12:49:142:48:596:276:48
6:40
-1:18

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

5:52 /mi

Average Pace

6:27 /mi

Slowest Pace

11:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

0:00

0% of race

Time at Steady Pace

2:16:28

81% of race

Time at Slower Pace

32:31

19% of race

Average Pace: 6:27 /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 mi10:18:5218:376:0018:37
6:00
#1061
10K
6.21 mi10:37:1336:585:5718:21
5:54
#940
15K
9.32 mi10:55:3155:165:5618:18
5:53
#870
20K
12.43 mi11:13:471:13:325:5518:16
5:53
#781
Half
13.11 mi11:17:471:17:325:554:00
5:52
#774
25K
15.53 mi11:32:011:31:465:5414:14
5:52
#717
30K
18.64 mi11:50:231:50:085:5418:22
5:55
#610
20M
20.00 mi11:58:301:58:155:558:07
5:58
#577
21M
21.00 mi12:05:122:04:575:576:42
6:42
#584
35K
21.75 mi12:09:552:09:405:584:43
6:18
#612
23M
23.00 mi12:20:142:19:596:0510:19
8:14
#837
24M
24.00 mi12:32:002:31:456:1911:46
11:46
#1604
40K
24.85 mi12:39:412:39:266:257:41
8:59
#1977
25.2M
25.20 mi12:42:262:42:116:262:45
7:58
#2016
Finish
26.22 mi12:49:142:48:596:276:48
6:40
#2076
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi106110021002742(Top 3%)694(Top 4%)694(Top 12%)
10K6.21 mi3.10 mi940+121883+119883+119844(Top 3%)792(Top 5%)792(Top 14%)
15K9.32 mi3.11 mi870+70817+66817+66742(Top 3%)694(Top 4%)694(Top 12%)
20K12.43 mi3.11 mi781+89730+87730+87580(Top 2%)536(Top 3%)536(Top 10%)
Half13.11 mi0.68 mi774+7724+6724+6759(Top 3%)713(Top 4%)713(Top 13%)
25K15.53 mi2.42 mi717+57669+55669+55520(Top 2%)485(Top 3%)485(Top 9%)
30K18.64 mi3.11 mi610+107563+106563+106372(Top 1%)345(Top 2%)345(Top 6%)
20M20.00 mi1.36 mi577+33532+31532+31354(Top 1%)330(Top 2%)330(Top 6%)
21M21.00 mi1.00 mi584-7539-7539-71205(Top 4%)1139(Top 7%)1139(Top 20%)
35K21.75 mi0.75 mi612-28566-27566-271622(Top 6%)1522(Top 9%)1522(Top 27%)
23M23.00 mi1.25 mi837-225785-219785-21911593(Top 41%)8021(Top 50%)8021(Top 142%)
24M24.00 mi1.00 mi1604-7671518-7331518-73325348(Top 89%)14483(Top 90%)14483(Top 257%)
40K24.85 mi0.85 mi1977-3731875-3571875-35716178(Top 57%)9982(Top 62%)9982(Top 177%)
25.2M25.20 mi0.35 mi2016-391912-371912-375702(Top 20%)4527(Top 28%)4527(Top 80%)
Finish26.22 mi1.02 mi2076-601969-571969-573696(Top 13%)3201(Top 20%)3201(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

742

Males

694

M18-39

694

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

844

Males

792

M18-39

792

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

742

Males

694

M18-39

694

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

580

Males

536

M18-39

536

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

759

Males

713

M18-39

713

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

520

Males

485

M18-39

485

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

372

Males

345

M18-39

345

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

354

Males

330

M18-39

330

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1205

Males

1139

M18-39

1139

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1622

Males

1522

M18-39

1522

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

11593

Males

8021

M18-39

8021

23M→24M

23.0 - 24.0 mi

Top 89%
×6stories
+12ft-82ft

Overall

25348

Males

14483

M18-39

14483

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

16178

Males

9982

M18-39

9982

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5702

Males

4527

M18-39

4527

25.2M→Finish

25.2 - 26.2 mi

Top 13%
×2stories
+22ft-21ft

Overall

3696

Males

3201

M18-39

3201

Passing Analysis

Category:
Athletes Passed
535
Passed By
1550
Net Change
-1015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1061
5K → 10K1276+121#1061#940
10K → 15K722+70#940#870
15K → 20K923+89#870#781
20K → Half114+7#781#774
Half → 25K581+57#774#717
25K → 30K1092+107#717#610
30K → 20M352+33#610#577
20M → 21M1219-7#577#584
21M → 35K432-28#584#612
35K → 23M0225-225#612#837
23M → 24M0767-767#837#1604
24M → 40K1374-373#1604#1977
40K → 25.2M241-39#1977#2016
25.2M → Finish1272-60#2016#2076
TOTALS5351550-1015
📊

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