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BOSTON MARATHON 2025

Paul Donnelly

Bib: 31579•M

FL

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0:00
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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
30:08
Rank: #24839
Start → 5K
9:42/mi
30:08 split
10K· 6.21 mi
1:00:54
Rank: #24976 (-137)
5K → 10K
9:54/mi
30:46 split
15K· 9.32 mi
1:32:17
Rank: #25054 (-78)
10K → 15K
10:06/mi
31:23 split
20K· 12.43 mi
2:04:01
Rank: #24970 (+84)
15K → 20K
10:13/mi
31:44 split
Half· 13.11 mi
2:10:39
Rank: #24916 (+54)
20K → Half
9:43/mi
6:38 split
25K· 15.53 mi
2:36:11
Rank: #24830 (+86)
Half → 25K
10:32/mi
25:32 split
30K· 18.64 mi
3:13:43
Rank: #25034 (-204)
25K → 30K
12:05/mi
37:32 split
20M
3:28:44
Rank: #24950 (+84)
30K → 20M
11:03/mi
15:01 split
21M
3:40:43
Rank: #24879 (+71)
20M → 21M
11:59/mi
11:59 split
35K· 21.75 mi
3:49:25
Rank: #24907 (-28)
21M → 35K
11:38/mi
8:42 split
23M
4:03:39
Rank: #24879 (+28)
35K → 23M
11:22/mi
14:14 split
24M
4:14:52
Rank: #24857 (+22)
23M → 24M
11:13/mi
11:13 split
40K· 24.85 mi
4:25:23
Rank: #24893 (-36)
24M → 40K
12:18/mi
10:31 split
25.2M
4:29:45
Rank: #24893
40K → 25.2M
12:40/mi
4:22 split
Finish· 26.22 mi
4:40:44
Rank: #24896 (-3)
25.2M → Finish
10:47/mi
10:59 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:39
Pace9:58 /mi
2nd Half
Distance13.11 mi
Time2:30:05
Pace11:27 /mi
📊Positive Split: 14.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3530:089:4230:08
9:42
-
10K
6.21 mi12:24:211:00:549:4830:46
9:54
+0:12
15K
9.32 mi12:55:441:32:179:5431:23
10:06
+0:12
20K
12.43 mi13:27:282:04:019:5931:44
10:13
+0:07
Half
13.11 mi13:34:062:10:399:586:38
9:43
-0:30
25K
15.53 mi13:59:382:36:1110:0325:32
10:32
+0:49
30K
18.64 mi14:37:103:13:4310:2437:32
12:05
+1:33
20M
20.00 mi14:52:113:28:4410:2615:01
11:03
-1:02
21M
21.00 mi15:04:103:40:4310:3111:59
11:59
+0:56
35K
21.75 mi15:12:523:49:2510:338:42
11:38
-0:21
23M
23.00 mi15:27:064:03:3910:3614:14
11:22
-0:16
24M
24.00 mi15:38:194:14:5210:3711:13
11:13
-0:09
40K
24.85 mi15:48:504:25:2310:4110:31
12:18
+1:05
25.2M
25.20 mi15:53:124:29:4510:424:22
12:40
+0:22
Finish
26.22 mi16:04:114:40:4410:4310:59
10:47
-1:53

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

9:42 /mi

Average Pace

10:43 /mi

Slowest Pace

12:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:11

56% of race

Time at Steady Pace

51:27

18% of race

Time at Slower Pace

1:13:06

26% of race

Average Pace: 10:42 /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 mi11:53:3530:089:4230:08
9:42
#24839
10K
6.21 mi12:24:211:00:549:4830:46
9:54
#24976
15K
9.32 mi12:55:441:32:179:5431:23
10:06
#25054
20K
12.43 mi13:27:282:04:019:5931:44
10:13
#24970
Half
13.11 mi13:34:062:10:399:586:38
9:43
#24916
25K
15.53 mi13:59:382:36:1110:0325:32
10:32
#24830
30K
18.64 mi14:37:103:13:4310:2437:32
12:05
#25034
20M
20.00 mi14:52:113:28:4410:2615:01
11:03
#24950
21M
21.00 mi15:04:103:40:4310:3111:59
11:59
#24879
35K
21.75 mi15:12:523:49:2510:338:42
11:38
#24907
23M
23.00 mi15:27:064:03:3910:3614:14
11:22
#24879
24M
24.00 mi15:38:194:14:5210:3711:13
11:13
#24857
40K
24.85 mi15:48:504:25:2310:4110:31
12:18
#24893
25.2M
25.20 mi15:53:124:29:4510:424:22
12:40
#24893
Finish
26.22 mi16:04:114:40:4410:4310:59
10:47
#24896
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24839146481464825205(Top 89%)14800(Top 92%)14800(Top 262%)
10K6.21 mi3.10 mi24976-13714693-4514693-4525099(Top 88%)14747(Top 92%)14747(Top 261%)
15K9.32 mi3.11 mi25054-7814736-4314736-4325205(Top 89%)14800(Top 92%)14800(Top 262%)
20K12.43 mi3.11 mi24970+8414691+4514691+4524673(Top 87%)14520(Top 90%)14520(Top 257%)
Half13.11 mi0.68 mi24916+5414661+3014661+3024159(Top 85%)14308(Top 89%)14308(Top 254%)
25K15.53 mi2.42 mi24830+8614602+5914602+5924425(Top 86%)14386(Top 89%)14386(Top 255%)
30K18.64 mi3.11 mi25034-20414675-7314675-7325698(Top 90%)14847(Top 92%)14847(Top 263%)
20M20.00 mi1.36 mi24950+8414618+5714618+5723688(Top 83%)13845(Top 86%)13845(Top 245%)
21M21.00 mi1.00 mi24879+7114572+4614572+4623566(Top 83%)13716(Top 85%)13716(Top 243%)
35K21.75 mi0.75 mi24907-2814584-1214584-1225306(Top 89%)14495(Top 90%)14495(Top 257%)
23M23.00 mi1.25 mi24879+2814553+3114553+3124025(Top 85%)13854(Top 86%)13854(Top 246%)
24M24.00 mi1.00 mi24857+2214528+2514528+2524419(Top 86%)14025(Top 87%)14025(Top 249%)
40K24.85 mi0.85 mi24893-3614531-314531-325380(Top 89%)14457(Top 90%)14457(Top 256%)
25.2M25.20 mi0.35 mi2489314528+314528+324493(Top 86%)14012(Top 87%)14012(Top 248%)
Finish26.22 mi1.02 mi24896-314523+514523+524904(Top 88%)14229(Top 88%)14229(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

25205

Males

14800

M18-39

14800

5K→10K

3.1 - 6.2 mi

Top 88%
×5story building
+79ft-138ft

Overall

25099

Males

14747

M18-39

14747

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

25205

Males

14800

M18-39

14800

15K→20K

9.3 - 12.4 mi

Top 87%
×5story building
+106ft-86ft

Overall

24673

Males

14520

M18-39

14520

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24159

Males

14308

M18-39

14308

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24425

Males

14386

M18-39

14386

25K→30K

15.5 - 18.6 mi

Top 90%
×9story building
+181ft-148ft

Overall

25698

Males

14847

M18-39

14847

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23688

Males

13845

M18-39

13845

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23566

Males

13716

M18-39

13716

21M→35K

21.0 - 21.8 mi

Top 89%
×7story building
+17ft-86ft

Overall

25306

Males

14495

M18-39

14495

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

24025

Males

13854

M18-39

13854

23M→24M

23.0 - 24.0 mi

Top 86%
×6story building
+12ft-82ft

Overall

24419

Males

14025

M18-39

14025

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

25380

Males

14457

M18-39

14457

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

24493

Males

14012

M18-39

14012

25.2M→Finish

25.2 - 26.2 mi

Top 88%
×2story building
+22ft-21ft

Overall

24904

Males

14229

M18-39

14229

Passing Analysis

Category:
Athletes Passed
1087
Passed By
1144
Net Change
-57
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24839
5K → 10K145282-137#24839#24976
10K → 15K96174-78#24976#25054
15K → 20K17793+84#25054#24970
20K → Half628+54#24970#24916
Half → 25K14054+86#24916#24830
25K → 30K66270-204#24830#25034
30K → 20M10016+84#25034#24950
20M → 21M9726+71#24950#24879
21M → 35K2856-28#24879#24907
35K → 23M5628+28#24907#24879
23M → 24M4624+22#24879#24857
24M → 40K3268-36#24857#24893
40K → 25.2M12120#24893#24893
25.2M → Finish3033-3#24893#24896
TOTALS10871144-57
📊

Passing Visuals

Category:
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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