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BOSTON MARATHON 2025

Corey Ronan

Bib: 30455•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
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
34:01
Rank: #27508
Start → 5K
34:01 | 10:57/mi
10K· 6.21 mi
1:10:01
Rank: #27616 (-108)
5K → 10K
36:00 | 11:35/mi
15K· 9.32 mi
1:46:52
Rank: #27594 (+22)
10K → 15K
36:51 | 11:52/mi
20K· 12.43 mi
2:27:42
Rank: #27730 (-136)
15K → 20K
40:50 | 13:09/mi
Half· 13.11 mi
2:36:25
Rank: #27755 (-25)
20K → Half
8:43 | 12:47/mi
25K· 15.53 mi
3:13:18
Rank: #27919 (-164)
Half → 25K
36:53 | 15:13/mi
30K· 18.64 mi
4:03:47
Rank: #28107 (-188)
25K → 30K
50:29 | 16:15/mi
20M
4:24:44
Rank: #28123 (-16)
30K → 20M
20:57 | 15:25/mi
21M
4:41:01
Rank: #28137 (-14)
20M → 21M
16:17 | 16:17/mi
35K· 21.75 mi
4:52:23
Rank: #28147 (-10)
21M → 35K
11:22 | 15:12/mi
23M
5:11:40
Rank: #28163 (-16)
35K → 23M
19:17 | 15:24/mi
24M
5:27:36
Rank: #28190 (-27)
23M → 24M
15:56 | 15:56/mi
40K· 24.85 mi
5:41:34
Rank: #28212 (-22)
24M → 40K
13:58 | 16:20/mi
25.2M
5:47:08
Rank: #28212
40K → 25.2M
5:34 | 16:09/mi
Finish· 26.22 mi
6:02:32
Rank: #28240 (-28)
25.2M → Finish
15:24 | 15:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:36:25
Pace11:56 /mi
2nd Half
Distance13.11 mi
Time3:26:07
Pace15:43 /mi
📊Positive Split: 31.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:4734:0110:5734:01
10:57
-
10K
6.21 mi12:31:471:10:0111:1636:00
11:35
+0:38
15K
9.32 mi13:08:381:46:5211:2836:51
11:52
+0:17
20K
12.43 mi13:49:282:27:4211:5340:50
13:09
+1:17
Half
13.11 mi13:58:112:36:2511:568:43
12:47
-0:22
25K
15.53 mi14:35:043:13:1812:2736:53
15:13
+2:26
30K
18.64 mi15:25:334:03:4713:0550:29
16:15
+1:02
20M
20.00 mi15:46:304:24:4413:1420:57
15:25
-0:50
21M
21.00 mi16:02:474:41:0113:2316:17
16:17
+0:52
35K
21.75 mi16:14:094:52:2313:2711:22
15:12
-1:05
23M
23.00 mi16:33:265:11:4013:3319:17
15:24
+0:12
24M
24.00 mi16:49:225:27:3613:3915:56
15:56
+0:32
40K
24.85 mi17:03:205:41:3413:4513:58
16:20
+0:24
25.2M
25.20 mi17:08:545:47:0813:475:34
16:09
-0:11
Finish
26.22 mi17:24:186:02:3213:5015:24
15:07
-1:02

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

10:57 /mi

Average Pace

13:50 /mi

Slowest Pace

16:20 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:25

43% of race

Time at Steady Pace

1:59:49

33% of race

Time at Slower Pace

1:26:18

24% of race

Average Pace: 13:50 /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 mi11:55:4734:0110:5734:01
10:57
#27508
10K
6.21 mi12:31:471:10:0111:1636:00
11:35
#27616
15K
9.32 mi13:08:381:46:5211:2836:51
11:52
#27594
20K
12.43 mi13:49:282:27:4211:5340:50
13:09
#27730
Half
13.11 mi13:58:112:36:2511:568:43
12:47
#27755
25K
15.53 mi14:35:043:13:1812:2736:53
15:13
#27919
30K
18.64 mi15:25:334:03:4713:0550:29
16:15
#28107
20M
20.00 mi15:46:304:24:4413:1420:57
15:25
#28123
21M
21.00 mi16:02:474:41:0113:2316:17
16:17
#28137
35K
21.75 mi16:14:094:52:2313:2711:22
15:12
#28147
23M
23.00 mi16:33:265:11:4013:3319:17
15:24
#28163
24M
24.00 mi16:49:225:27:3613:3915:56
15:56
#28190
40K
24.85 mi17:03:205:41:3413:4513:58
16:20
#28212
25.2M
25.20 mi17:08:545:47:0813:475:34
16:09
#28212
Finish
26.22 mi17:24:186:02:3213:5015:24
15:07
#28240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi27508157871578727537(Top 97%)15758(Top 98%)15758(Top 279%)
10K6.21 mi3.10 mi27616-10815835-4815835-4827676(Top 97%)15838(Top 98%)15838(Top 281%)
15K9.32 mi3.11 mi27594+2215811+2415811+2427537(Top 97%)15758(Top 98%)15758(Top 279%)
20K12.43 mi3.11 mi27730-13615844-3315844-3327895(Top 98%)15895(Top 99%)15895(Top 282%)
Half13.11 mi0.68 mi27755-2515855-1115855-1127904(Top 98%)15890(Top 99%)15890(Top 282%)
25K15.53 mi2.42 mi27919-16415918-6315918-6328272(Top 100%)16035(Top 100%)16035(Top 284%)
30K18.64 mi3.11 mi28107-18815986-6815986-6828305(Top 100%)16045(Top 100%)16045(Top 284%)
20M20.00 mi1.36 mi28123-1615988-215988-228028(Top 99%)15887(Top 99%)15887(Top 282%)
21M21.00 mi1.00 mi28137-1415987+115987+127938(Top 98%)15844(Top 98%)15844(Top 281%)
35K21.75 mi0.75 mi28147-1015984+315984+328109(Top 99%)15922(Top 99%)15922(Top 282%)
23M23.00 mi1.25 mi28163-1615992-815992-828040(Top 99%)15865(Top 99%)15865(Top 281%)
24M24.00 mi1.00 mi28190-2715996-415996-428221(Top 99%)15969(Top 99%)15969(Top 283%)
40K24.85 mi0.85 mi28212-2216007-1116007-1128160(Top 99%)15937(Top 99%)15937(Top 282%)
25.2M25.20 mi0.35 mi2821216006+116006+127789(Top 98%)15705(Top 98%)15705(Top 278%)
Finish26.22 mi1.02 mi28240-2816016-1016016-1028256(Top 99%)16006(Top 99%)16006(Top 284%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21stories
+97ft-345ft

Overall

27537

Males

15758

M18-39

15758

5K→10K

3.1 - 6.2 mi

Top 97%
×5stories
+79ft-138ft

Overall

27676

Males

15838

M18-39

15838

10K→15K

6.2 - 9.3 mi

Top 97%
×3stories
+67ft-78ft

Overall

27537

Males

15758

M18-39

15758

15K→20K

9.3 - 12.4 mi

Top 98%
×5stories
+106ft-86ft

Overall

27895

Males

15895

M18-39

15895

20K→Half

12.4 - 13.1 mi

Top 98%
×2stories
+19ft-37ft

Overall

27904

Males

15890

M18-39

15890

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

28272

Males

16035

M18-39

16035

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28305

Males

16045

M18-39

16045

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28028

Males

15887

M18-39

15887

20M→21M

20.0 - 21.0 mi

Top 98%
×8stories
+106ft-24ft

Overall

27938

Males

15844

M18-39

15844

21M→35K

21.0 - 21.8 mi

Top 99%
×7stories
+17ft-86ft

Overall

28109

Males

15922

M18-39

15922

35K→23M

21.8 - 23.0 mi

Top 99%
×5stories
+23ft-63ft

Overall

28040

Males

15865

M18-39

15865

23M→24M

23.0 - 24.0 mi

Top 99%
×6stories
+12ft-82ft

Overall

28221

Males

15969

M18-39

15969

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

28160

Males

15937

M18-39

15937

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

27789

Males

15705

M18-39

15705

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2stories
+22ft-21ft

Overall

28256

Males

16006

M18-39

16006

Passing Analysis

Category:
Athletes Passed
256
Passed By
988
Net Change
-732
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#27508
5K → 10K68176-108#27508#27616
10K → 15K9573+22#27616#27594
15K → 20K28164-136#27594#27730
20K → Half530-25#27730#27755
Half → 25K13177-164#27755#27919
25K → 30K6194-188#27919#28107
30K → 20M622-16#28107#28123
20M → 21M1327-14#28123#28137
21M → 35K616-10#28137#28147
35K → 23M723-16#28147#28163
23M → 24M330-27#28163#28190
24M → 40K224-22#28190#28212
40K → 25.2M440#28212#28212
25.2M → Finish028-28#28212#28240
TOTALS256988-732
📊

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