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BOSTON MARATHON 2025

Matthew Mcdonald

Bib: 25852•M

NH

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
29:38
Rank: #24363
Start → 5K
29:38 | 9:32/mi
10K· 6.21 mi
59:51
Rank: #24549 (-186)
5K → 10K
30:13 | 9:44/mi
15K· 9.32 mi
1:31:50
Rank: #24938 (-389)
10K → 15K
31:59 | 10:18/mi
20K· 12.43 mi
2:10:40
Rank: #25994 (-1056)
15K → 20K
38:50 | 12:30/mi
Half· 13.11 mi
2:19:03
Rank: #26152 (-158)
20K → Half
8:23 | 12:17/mi
25K· 15.53 mi
2:56:39
Rank: #26988 (-836)
Half → 25K
37:36 | 15:30/mi
30K· 18.64 mi
3:51:37
Rank: #27672 (-684)
25K → 30K
54:58 | 17:42/mi
20M
4:13:26
Rank: #27760 (-88)
30K → 20M
21:49 | 16:03/mi
21M
4:30:40
Rank: #27820 (-60)
20M → 21M
17:14 | 17:14/mi
35K· 21.75 mi
4:43:14
Rank: #27913 (-93)
21M → 35K
12:34 | 16:48/mi
23M
5:02:09
Rank: #27934 (-21)
35K → 23M
18:55 | 15:07/mi
24M
5:15:43
Rank: #27923 (+11)
23M → 24M
13:34 | 13:34/mi
40K· 24.85 mi
5:27:38
Rank: #27906 (+17)
24M → 40K
11:55 | 13:56/mi
25.2M
5:32:50
Rank: #27903 (+3)
40K → 25.2M
5:12 | 15:05/mi
Finish· 26.22 mi
5:46:16
Rank: #27914 (-11)
25.2M → Finish
13:26 | 13:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:19:03
Pace10:36 /mi
2nd Half
Distance13.11 mi
Time3:27:13
Pace15:48 /mi
📊Positive Split: 49.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:0429:389:3229:38
9:32
-
10K
6.21 mi12:15:1759:519:3830:13
9:44
+0:12
15K
9.32 mi12:47:161:31:509:5131:59
10:18
+0:34
20K
12.43 mi13:26:062:10:4010:3138:50
12:30
+2:12
Half
13.11 mi13:34:292:19:0310:368:23
12:17
-0:13
25K
15.53 mi14:12:052:56:3911:2237:36
15:30
+3:13
30K
18.64 mi15:07:033:51:3712:2654:58
17:42
+2:12
20M
20.00 mi15:28:524:13:2612:4021:49
16:03
-1:39
21M
21.00 mi15:46:064:30:4012:5317:14
17:14
+1:11
35K
21.75 mi15:58:404:43:1413:0112:34
16:48
-0:26
23M
23.00 mi16:17:355:02:0913:0818:55
15:07
-1:41
24M
24.00 mi16:31:095:15:4313:0913:34
13:34
-1:33
40K
24.85 mi16:43:045:27:3813:1111:55
13:56
+0:22
25.2M
25.20 mi16:48:165:32:5013:125:12
15:05
+1:09
Finish
26.22 mi17:01:425:46:1613:1313:26
13:11
-1:54

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

9:32 /mi

Average Pace

13:13 /mi

Slowest Pace

17:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:03

40% of race

Time at Steady Pace

1:03:02

18% of race

Time at Slower Pace

2:24:11

42% of race

Average Pace: 13:12 /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 mi11:45:0429:389:3229:38
9:32
#24363
10K
6.21 mi12:15:1759:519:3830:13
9:44
#24549
15K
9.32 mi12:47:161:31:509:5131:59
10:18
#24938
20K
12.43 mi13:26:062:10:4010:3138:50
12:30
#25994
Half
13.11 mi13:34:292:19:0310:368:23
12:17
#26152
25K
15.53 mi14:12:052:56:3911:2237:36
15:30
#26988
30K
18.64 mi15:07:033:51:3712:2654:58
17:42
#27672
20M
20.00 mi15:28:524:13:2612:4021:49
16:03
#27760
21M
21.00 mi15:46:064:30:4012:5317:14
17:14
#27820
35K
21.75 mi15:58:404:43:1413:0112:34
16:48
#27913
23M
23.00 mi16:17:355:02:0913:0818:55
15:07
#27934
24M
24.00 mi16:31:095:15:4313:0913:34
13:34
#27923
40K
24.85 mi16:43:045:27:3813:1111:55
13:56
#27906
25.2M
25.20 mi16:48:165:32:5013:125:12
15:05
#27903
Finish
26.22 mi17:01:425:46:1613:1313:26
13:11
#27914
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi24363144201442025587(Top 90%)14969(Top 93%)14969(Top 265%)
10K6.21 mi3.10 mi24549-18614511-9114511-9124685(Top 87%)14561(Top 90%)14561(Top 258%)
15K9.32 mi3.11 mi24938-38914689-17814689-17825587(Top 90%)14969(Top 93%)14969(Top 265%)
20K12.43 mi3.11 mi25994-105615145-45615145-45627518(Top 97%)15740(Top 98%)15740(Top 279%)
Half13.11 mi0.68 mi26152-15815221-7615221-7627660(Top 97%)15788(Top 98%)15788(Top 280%)
25K15.53 mi2.42 mi26988-83615546-32515546-32528309(Top 100%)16051(Top 100%)16051(Top 284%)
30K18.64 mi3.11 mi27672-68415814-26815814-26828373(Top 100%)16086(Top 100%)16086(Top 285%)
20M20.00 mi1.36 mi27760-8815837-2315837-2328171(Top 99%)15965(Top 99%)15965(Top 283%)
21M21.00 mi1.00 mi27820-6015857-2015857-2028182(Top 99%)15973(Top 99%)15973(Top 283%)
35K21.75 mi0.75 mi27913-9315896-3915896-3928298(Top 100%)16036(Top 100%)16036(Top 284%)
23M23.00 mi1.25 mi27934-2115895+115895+127957(Top 98%)15813(Top 98%)15813(Top 280%)
24M24.00 mi1.00 mi27923+1115885+1015885+1027385(Top 96%)15478(Top 96%)15478(Top 274%)
40K24.85 mi0.85 mi27906+1715874+1115874+1127138(Top 96%)15356(Top 95%)15356(Top 272%)
25.2M25.20 mi0.35 mi27903+315870+415870+427197(Top 96%)15384(Top 96%)15384(Top 273%)
Finish26.22 mi1.02 mi27914-1115874-415874-427712(Top 98%)15681(Top 97%)15681(Top 278%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25587

Males

14969

M18-39

14969

5K→10K

3.1 - 6.2 mi

Top 87%
×5stories
+79ft-138ft

Overall

24685

Males

14561

M18-39

14561

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25587

Males

14969

M18-39

14969

15K→20K

9.3 - 12.4 mi

Top 97%
×5stories
+106ft-86ft

Overall

27518

Males

15740

M18-39

15740

20K→Half

12.4 - 13.1 mi

Top 97%
×2stories
+19ft-37ft

Overall

27660

Males

15788

M18-39

15788

Half→25K

13.1 - 15.5 mi

Top 100%
×4stories
+66ft-88ft

Overall

28309

Males

16051

M18-39

16051

25K→30K

15.5 - 18.6 mi

Top 100%
×9stories
+181ft-148ft

Overall

28373

Males

16086

M18-39

16086

30K→20M

18.6 - 20.0 mi

Top 99%
×5stories
+64ft-50ft

Overall

28171

Males

15965

M18-39

15965

20M→21M

20.0 - 21.0 mi

Top 99%
×8stories
+106ft-24ft

Overall

28182

Males

15973

M18-39

15973

21M→35K

21.0 - 21.8 mi

Top 100%
×7stories
+17ft-86ft

Overall

28298

Males

16036

M18-39

16036

35K→23M

21.8 - 23.0 mi

Top 98%
×5stories
+23ft-63ft

Overall

27957

Males

15813

M18-39

15813

23M→24M

23.0 - 24.0 mi

Top 96%
×6stories
+12ft-82ft

Overall

27385

Males

15478

M18-39

15478

24M→40K

24.0 - 24.9 mi

Top 96%
×1story
+6ft-20ft

Overall

27138

Males

15356

M18-39

15356

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

27197

Males

15384

M18-39

15384

25.2M→Finish

25.2 - 26.2 mi

Top 98%
×2stories
+22ft-21ft

Overall

27712

Males

15681

M18-39

15681

Passing Analysis

Category:
Athletes Passed
295
Passed By
3846
Net Change
-3551
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24363
5K → 10K143329-186#24363#24549
10K → 15K44433-389#24549#24938
15K → 20K51061-1056#24938#25994
20K → Half5163-158#25994#26152
Half → 25K2838-836#26152#26988
25K → 30K2686-684#26988#27672
30K → 20M12100-88#27672#27760
20M → 21M666-60#27760#27820
21M → 35K194-93#27820#27913
35K → 23M1233-21#27913#27934
23M → 24M209+11#27934#27923
24M → 40K2710+17#27923#27906
40K → 25.2M85+3#27906#27903
25.2M → Finish819-11#27903#27914
TOTALS2953846-3551
📊

Passing Visuals

Category:

📈Position Graph

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🎨Heatmap Timeline

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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