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BOSTON MARATHON 2025

John Donnelly

Bib: 29413•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 45%
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
24:39
Rank: #16024
Start → 5K
7:56/mi
24:39 split
10K· 6.21 mi
48:15
Rank: #14458 (+1566)
5K → 10K
7:36/mi
23:36 split
15K· 9.32 mi
1:12:08
Rank: #14101 (+357)
10K → 15K
7:41/mi
23:53 split
20K· 12.43 mi
1:36:07
Rank: #13656 (+445)
15K → 20K
7:43/mi
23:59 split
Half· 13.11 mi
1:41:19
Rank: #13611 (+45)
20K → Half
7:37/mi
5:12 split
25K· 15.53 mi
2:00:01
Rank: #13238 (+373)
Half → 25K
7:43/mi
18:42 split
30K· 18.64 mi
2:25:21
Rank: #13052 (+186)
25K → 30K
8:09/mi
25:20 split
20M
2:36:48
Rank: #13054 (-2)
30K → 20M
8:26/mi
11:27 split
21M
2:45:43
Rank: #13009 (+45)
20M → 21M
8:55/mi
8:55 split
35K· 21.75 mi
2:51:46
Rank: #13012 (-3)
21M → 35K
8:05/mi
6:03 split
23M
3:02:35
Rank: #13066 (-54)
35K → 23M
8:38/mi
10:49 split
24M
3:11:02
Rank: #13105 (-39)
23M → 24M
8:27/mi
8:27 split
40K· 24.85 mi
3:18:07
Rank: #13050 (+55)
24M → 40K
8:17/mi
7:05 split
25.2M
3:21:08
Rank: #13009 (+41)
40K → 25.2M
8:45/mi
3:01 split
Finish· 26.22 mi
3:28:45
Rank: #12828 (+181)
25.2M → Finish
7:28/mi
7:37 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:19
Pace7:44 /mi
2nd Half
Distance13.11 mi
Time1:47:26
Pace8:12 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3924:397:5624:39
7:56
-
10K
6.21 mi12:09:1548:157:4623:36
7:36
-0:20
15K
9.32 mi12:33:081:12:087:4423:53
7:41
+0:05
20K
12.43 mi12:57:071:36:077:4423:59
7:43
+0:02
Half
13.11 mi13:02:191:41:197:445:12
7:37
-0:06
25K
15.53 mi13:21:012:00:017:4418:42
7:43
+0:06
30K
18.64 mi13:46:212:25:217:4825:20
8:09
+0:26
20M
20.00 mi13:57:482:36:487:5011:27
8:26
+0:17
21M
21.00 mi14:06:432:45:437:538:55
8:55
+0:29
35K
21.75 mi14:12:462:51:467:546:03
8:05
-0:50
23M
23.00 mi14:23:353:02:357:5610:49
8:38
+0:33
24M
24.00 mi14:32:023:11:027:588:27
8:27
-0:11
40K
24.85 mi14:39:073:18:077:587:05
8:17
-0:10
25.2M
25.20 mi14:42:083:21:087:593:01
8:45
+0:28
Finish
26.22 mi14:49:453:28:457:587:37
7:28
-1:17

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

7:28 /mi

Average Pace

7:58 /mi

Slowest Pace

8:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:39:01

76% of race

Time at Steady Pace

40:49

20% of race

Time at Slower Pace

8:55

4% of race

Average Pace: 7:58 /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 mi11:45:3924:397:5624:39
7:56
#16024
10K
6.21 mi12:09:1548:157:4623:36
7:36
#14458
15K
9.32 mi12:33:081:12:087:4423:53
7:41
#14101
20K
12.43 mi12:57:071:36:077:4423:59
7:43
#13656
Half
13.11 mi13:02:191:41:197:445:12
7:37
#13611
25K
15.53 mi13:21:012:00:017:4418:42
7:43
#13238
30K
18.64 mi13:46:212:25:217:4825:20
8:09
#13052
20M
20.00 mi13:57:482:36:487:5011:27
8:26
#13054
21M
21.00 mi14:06:432:45:437:538:55
8:55
#13009
35K
21.75 mi14:12:462:51:467:546:03
8:05
#13012
23M
23.00 mi14:23:353:02:357:5610:49
8:38
#13066
24M
24.00 mi14:32:023:11:027:588:27
8:27
#13105
40K
24.85 mi14:39:073:18:077:587:05
8:17
#13050
25.2M
25.20 mi14:42:083:21:087:593:01
8:45
#13009
Finish
26.22 mi14:49:453:28:457:587:37
7:28
#12828
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16024108111081113358(Top 47%)9661(Top 60%)9661(Top 171%)
10K6.21 mi3.10 mi14458+156610205+60610205+60612976(Top 46%)9584(Top 60%)9584(Top 170%)
15K9.32 mi3.11 mi14101+35710026+17910026+17913358(Top 47%)9661(Top 60%)9661(Top 171%)
20K12.43 mi3.11 mi13656+4459805+2219805+22112586(Top 44%)9235(Top 57%)9235(Top 164%)
Half13.11 mi0.68 mi13611+459778+279778+2712712(Top 45%)9335(Top 58%)9335(Top 165%)
25K15.53 mi2.42 mi13238+3739582+1969582+19611637(Top 41%)8682(Top 54%)8682(Top 154%)
30K18.64 mi3.11 mi13052+1869436+1469436+14612470(Top 44%)8892(Top 55%)8892(Top 158%)
20M20.00 mi1.36 mi13054-29408+289408+2813304(Top 47%)9127(Top 57%)9127(Top 162%)
21M21.00 mi1.00 mi13009+459356+529356+5213003(Top 46%)8841(Top 55%)8841(Top 157%)
35K21.75 mi0.75 mi13012-39349+79349+712800(Top 45%)8713(Top 54%)8713(Top 154%)
23M23.00 mi1.25 mi13066-549322+279322+2714159(Top 50%)9238(Top 57%)9238(Top 164%)
24M24.00 mi1.00 mi13105-399305+179305+1714178(Top 50%)9220(Top 57%)9220(Top 163%)
40K24.85 mi0.85 mi13050+559256+499256+4912056(Top 42%)8089(Top 50%)8089(Top 143%)
25.2M25.20 mi0.35 mi13009+419230+269230+2610286(Top 36%)7110(Top 44%)7110(Top 126%)
Finish26.22 mi1.02 mi12828+1819127+1039127+1039009(Top 32%)6449(Top 40%)6449(Top 114%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21story building
+97ft-345ft

Overall

13358

Males

9661

M18-39

9661

5K→10K

3.1 - 6.2 mi

Top 46%
×5story building
+79ft-138ft

Overall

12976

Males

9584

M18-39

9584

10K→15K

6.2 - 9.3 mi

Top 47%
×3story building
+67ft-78ft

Overall

13358

Males

9661

M18-39

9661

15K→20K

9.3 - 12.4 mi

Top 44%
×5story building
+106ft-86ft

Overall

12586

Males

9235

M18-39

9235

20K→Half

12.4 - 13.1 mi

Top 45%
×2story building
+19ft-37ft

Overall

12712

Males

9335

M18-39

9335

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

11637

Males

8682

M18-39

8682

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12470

Males

8892

M18-39

8892

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13304

Males

9127

M18-39

9127

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13003

Males

8841

M18-39

8841

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12800

Males

8713

M18-39

8713

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

14159

Males

9238

M18-39

9238

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

14178

Males

9220

M18-39

9220

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12056

Males

8089

M18-39

8089

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10286

Males

7110

M18-39

7110

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

9009

Males

6449

M18-39

6449

Passing Analysis

Category:
Athletes Passed
4050
Passed By
854
Net Change
+3196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16024
5K → 10K158721+1566#16024#14458
10K → 15K41356+357#14458#14101
15K → 20K47530+445#14101#13656
20K → Half6419+45#13656#13611
Half → 25K38815+373#13611#13238
25K → 30K330144+186#13238#13052
30K → 20M122124-2#13052#13054
20M → 21M12277+45#13054#13009
21M → 35K5255-3#13009#13012
35K → 23M94148-54#13012#13066
23M → 24M6099-39#13066#13105
24M → 40K10348+55#13105#13050
40K → 25.2M487+41#13050#13009
25.2M → Finish19211+181#13009#12828
TOTALS4050854+3196
📊

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