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BOSTON MARATHON 2025

Matthew Gaydos

Bib: 8272•M

NY

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
24:10
Rank: #14613
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
49:58
Rank: #16842 (-2229)
5K → 10K
25:48 | 8:18/mi
15K· 9.32 mi
1:17:33
Rank: #18535 (-1693)
10K → 15K
27:35 | 8:53/mi
20K· 12.43 mi
1:46:17
Rank: #19596 (-1061)
15K → 20K
28:44 | 9:15/mi
Half· 13.11 mi
1:52:19
Rank: #19692 (-96)
20K → Half
6:02 | 8:51/mi
25K· 15.53 mi
2:16:11
Rank: #20442 (-750)
Half → 25K
23:52 | 9:51/mi
30K· 18.64 mi
2:49:38
Rank: #21332 (-890)
25K → 30K
33:27 | 10:46/mi
20M
3:05:14
Rank: #21725 (-393)
30K → 20M
15:36 | 11:29/mi
21M
3:16:42
Rank: #21787 (-62)
20M → 21M
11:28 | 11:28/mi
35K· 21.75 mi
3:24:24
Rank: #21827 (-40)
21M → 35K
7:42 | 10:18/mi
23M
3:38:08
Rank: #21898 (-71)
35K → 23M
13:44 | 10:58/mi
24M
3:49:31
Rank: #22072 (-174)
23M → 24M
11:23 | 11:23/mi
40K· 24.85 mi
3:59:14
Rank: #22162 (-90)
24M → 40K
9:43 | 11:22/mi
25.2M
4:03:30
Rank: #22209 (-47)
40K → 25.2M
4:16 | 12:22/mi
Finish· 26.22 mi
4:13:47
Rank: #22209
25.2M → Finish
10:17 | 10:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:19
Pace8:34 /mi
2nd Half
Distance13.11 mi
Time2:21:28
Pace10:47 /mi
📊Positive Split: 26.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:3724:107:4724:10
7:47
-
10K
6.21 mi10:50:2549:588:0225:48
8:18
+0:31
15K
9.32 mi11:18:001:17:338:1927:35
8:53
+0:35
20K
12.43 mi11:46:441:46:178:3328:44
9:15
+0:22
Half
13.11 mi11:52:461:52:198:346:02
8:51
-0:24
25K
15.53 mi12:16:382:16:118:4623:52
9:51
+1:00
30K
18.64 mi12:50:052:49:389:0633:27
10:46
+0:55
20M
20.00 mi13:05:413:05:149:1615:36
11:29
+0:43
21M
21.00 mi13:17:093:16:429:2211:28
11:28
-0:01
35K
21.75 mi13:24:513:24:249:247:42
10:18
-1:10
23M
23.00 mi13:38:353:38:089:2913:44
10:58
+0:40
24M
24.00 mi13:49:583:49:319:3411:23
11:23
+0:25
40K
24.85 mi13:59:413:59:149:389:43
11:22
-0:01
25.2M
25.20 mi14:03:574:03:309:404:16
12:22
+1:00
Finish
26.22 mi14:14:144:13:479:4110:17
10:05
-2:17

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

7:47 /mi

Average Pace

9:41 /mi

Slowest Pace

12:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:19

44% of race

Time at Steady Pace

1:15:18

30% of race

Time at Slower Pace

1:06:10

26% of race

Average Pace: 9:41 /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 mi10:24:3724:107:4724:10
7:47
#14613
10K
6.21 mi10:50:2549:588:0225:48
8:18
#16842
15K
9.32 mi11:18:001:17:338:1927:35
8:53
#18535
20K
12.43 mi11:46:441:46:178:3328:44
9:15
#19596
Half
13.11 mi11:52:461:52:198:346:02
8:51
#19692
25K
15.53 mi12:16:382:16:118:4623:52
9:51
#20442
30K
18.64 mi12:50:052:49:389:0633:27
10:46
#21332
20M
20.00 mi13:05:413:05:149:1615:36
11:29
#21725
21M
21.00 mi13:17:093:16:429:2211:28
11:28
#21787
35K
21.75 mi13:24:513:24:249:247:42
10:18
#21827
23M
23.00 mi13:38:353:38:089:2913:44
10:58
#21898
24M
24.00 mi13:49:583:49:319:3411:23
11:23
#22072
40K
24.85 mi13:59:413:59:149:389:43
11:22
#22162
25.2M
25.20 mi14:03:574:03:309:404:16
12:22
#22209
Finish
26.22 mi14:14:144:13:479:4110:17
10:05
#22209
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi14613102841028421444(Top 75%)13143(Top 82%)13143(Top 233%)
10K6.21 mi3.10 mi16842-222911160-87611160-87618577(Top 65%)11886(Top 74%)11886(Top 211%)
15K9.32 mi3.11 mi18535-169311839-67911839-67921444(Top 75%)13143(Top 82%)13143(Top 233%)
20K12.43 mi3.11 mi19596-106112300-46112300-46122068(Top 78%)13387(Top 83%)13387(Top 237%)
Half13.11 mi0.68 mi19692-9612334-3412334-3421107(Top 74%)12957(Top 80%)12957(Top 230%)
25K15.53 mi2.42 mi20442-75012649-31512649-31522873(Top 81%)13684(Top 85%)13684(Top 243%)
30K18.64 mi3.11 mi21332-89013007-35813007-35823531(Top 83%)13847(Top 86%)13847(Top 245%)
20M20.00 mi1.36 mi21725-39313183-17613183-17624496(Top 86%)14212(Top 88%)14212(Top 252%)
21M21.00 mi1.00 mi21787-62131831318322554(Top 79%)13226(Top 82%)13226(Top 234%)
35K21.75 mi0.75 mi21827-4013187-413187-422657(Top 80%)13231(Top 82%)13231(Top 235%)
23M23.00 mi1.25 mi21898-7113182+513182+523144(Top 81%)13399(Top 83%)13399(Top 237%)
24M24.00 mi1.00 mi22072-17413238-5613238-5624698(Top 87%)14147(Top 88%)14147(Top 251%)
40K24.85 mi0.85 mi22162-9013258-2013258-2023883(Top 84%)13711(Top 85%)13711(Top 243%)
25.2M25.20 mi0.35 mi22209-4713278-2013278-2023928(Top 84%)13730(Top 85%)13730(Top 243%)
Finish26.22 mi1.02 mi2220913253+2513253+2523189(Top 82%)13368(Top 83%)13368(Top 237%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 75%
×21stories
+97ft-345ft

Overall

21444

Males

13143

M18-39

13143

5K→10K

3.1 - 6.2 mi

Top 65%
×5stories
+79ft-138ft

Overall

18577

Males

11886

M18-39

11886

10K→15K

6.2 - 9.3 mi

Top 75%
×3stories
+67ft-78ft

Overall

21444

Males

13143

M18-39

13143

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22068

Males

13387

M18-39

13387

20K→Half

12.4 - 13.1 mi

Top 74%
×2stories
+19ft-37ft

Overall

21107

Males

12957

M18-39

12957

Half→25K

13.1 - 15.5 mi

Top 81%
×4stories
+66ft-88ft

Overall

22873

Males

13684

M18-39

13684

25K→30K

15.5 - 18.6 mi

Top 83%
×9stories
+181ft-148ft

Overall

23531

Males

13847

M18-39

13847

30K→20M

18.6 - 20.0 mi

Top 86%
×5stories
+64ft-50ft

Overall

24496

Males

14212

M18-39

14212

20M→21M

20.0 - 21.0 mi

Top 79%
×8stories
+106ft-24ft

Overall

22554

Males

13226

M18-39

13226

21M→35K

21.0 - 21.8 mi

Top 80%
×7stories
+17ft-86ft

Overall

22657

Males

13231

M18-39

13231

35K→23M

21.8 - 23.0 mi

Top 81%
×5stories
+23ft-63ft

Overall

23144

Males

13399

M18-39

13399

23M→24M

23.0 - 24.0 mi

Top 87%
×6stories
+12ft-82ft

Overall

24698

Males

14147

M18-39

14147

24M→40K

24.0 - 24.9 mi

Top 84%
×1story
+6ft-20ft

Overall

23883

Males

13711

M18-39

13711

40K→25.2M

24.9 - 25.2 mi

Top 84%
×1story
+13ft-16ft

Overall

23928

Males

13730

M18-39

13730

25.2M→Finish

25.2 - 26.2 mi

Top 82%
×2stories
+22ft-21ft

Overall

23189

Males

13368

M18-39

13368

Passing Analysis

Category:
Athletes Passed
416
Passed By
8012
Net Change
-7596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14613
5K → 10K152244-2229#14613#16842
10K → 15K151708-1693#16842#18535
15K → 20K271088-1061#18535#19596
20K → Half15111-96#19596#19692
Half → 25K25775-750#19692#20442
25K → 30K53943-890#20442#21332
30K → 20M22415-393#21332#21725
20M → 21M61123-62#21725#21787
21M → 35K3373-40#21787#21827
35K → 23M63134-71#21827#21898
23M → 24M14188-174#21898#22072
24M → 40K24114-90#22072#22162
40K → 25.2M754-47#22162#22209
25.2M → Finish42420#22209#22209
TOTALS4168012-7596
📊

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