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BOSTON MARATHON 2025

Matthew Kaufman

Bib: 26724•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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
9:18/mi
28:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:36/mi
55:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:49/mi
1:23:01
↑ 67↓ 78
20K· 12.43 mi
8:55/mi
1:50:44
↑ 106↓ 860.1%
Half· 13.11 mi
8:51/mi
1:56:46
↑ 19↓ 370.5%
25K· 15.53 mi
9:01/mi
2:18:38
↑ 66↓ 880.2%
30K· 18.64 mi
9:22/mi
2:47:43
↑ 181↓ 1480.2%
20M
9:38/mi
3:00:48
↑ 64↓ 500.2%
21M
9:57/mi
3:10:45
↑ 106↓ 241.6%
35K· 21.75 mi
9:35/mi
3:17:55
↑ 17↓ 861.7%
23M
9:32/mi
3:29:51
↑ 23↓ 630.6%
24M
9:32/mi
3:39:23
↓ 821.3%
40K· 24.85 mi
9:38/mi
3:47:37
↓ 200.3%
25.2M
10:15/mi
3:51:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:44/mi
4:00:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
2nd Half
Distance13.11 mi
Time2:03:17
Pace9:24 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2428:549:1828:54
9:18
-
10K
6.21 mi12:12:0855:388:5726:44
8:36
-0:42
15K
9.32 mi12:39:311:23:018:5427:23
8:49
+0:13
20K
12.43 mi13:07:141:50:448:5527:43
8:55
+0:06
Half
13.11 mi13:13:161:56:468:546:02
8:51
-0:04
25K
15.53 mi13:35:082:18:388:5521:52
9:01
+0:10
30K
18.64 mi14:04:132:47:439:0029:05
9:22
+0:21
20M
20.00 mi14:17:183:00:489:0213:05
9:38
+0:16
21M
21.00 mi14:27:153:10:459:059:57
9:57
+0:19
35K
21.75 mi14:34:253:17:559:067:10
9:35
-0:22
23M
23.00 mi14:46:213:29:519:0711:56
9:32
-0:03
24M
24.00 mi14:55:533:39:239:089:32
9:32
0:00
40K
24.85 mi15:04:073:47:379:098:14
9:38
+0:06
25.2M
25.20 mi15:07:393:51:099:103:32
10:15
+0:37
Finish
26.22 mi15:16:334:00:039:108:54
8:44
-1:31

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

8:36 /mi

Average Pace

9:10 /mi

Slowest Pace

10:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:56:37

74% of race

Time at Steady Pace

59:54

25% of race

Time at Slower Pace

3:32

1% of race

Average Pace: 9:09 /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 mi11:45:2428:549:1828:54
9:18
#23555
10K
6.21 mi12:12:0855:388:5726:44
8:36
#22218
15K
9.32 mi12:39:311:23:018:5427:23
8:49
#21843
20K
12.43 mi13:07:141:50:448:5527:43
8:55
#21496
Half
13.11 mi13:13:161:56:468:546:02
8:51
#21464
25K
15.53 mi13:35:082:18:388:5521:52
9:01
#21225
30K
18.64 mi14:04:132:47:439:0029:05
9:22
#20853
20M
20.00 mi14:17:183:00:489:0213:05
9:38
#20755
21M
21.00 mi14:27:153:10:459:059:57
9:57
#20569
35K
21.75 mi14:34:253:17:559:067:10
9:35
#20578
23M
23.00 mi14:46:213:29:519:0711:56
9:32
#20484
24M
24.00 mi14:55:533:39:239:089:32
9:32
#20474
40K
24.85 mi15:04:073:47:379:098:14
9:38
#20439
25.2M
25.20 mi15:07:393:51:099:103:32
10:15
#20417
Finish
26.22 mi15:16:334:00:039:108:54
8:44
#20357
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23555140271402721081(Top 74%)12977(Top 81%)12977(Top 230%)
10K6.21 mi3.10 mi22218+133713421+60613421+60620376(Top 72%)12643(Top 79%)12643(Top 224%)
15K9.32 mi3.11 mi21843+37513270+15113270+15121081(Top 74%)12977(Top 81%)12977(Top 230%)
20K12.43 mi3.11 mi21496+34713123+14713123+14720574(Top 72%)12701(Top 79%)12701(Top 225%)
Half13.11 mi0.68 mi21464+3213111+1213111+1221087(Top 74%)12937(Top 80%)12937(Top 229%)
25K15.53 mi2.42 mi21225+23912998+11312998+11319983(Top 70%)12404(Top 77%)12404(Top 220%)
30K18.64 mi3.11 mi20853+37212783+21512783+21519385(Top 68%)12006(Top 75%)12006(Top 213%)
20M20.00 mi1.36 mi20755+9812727+5612727+5619698(Top 69%)12018(Top 75%)12018(Top 213%)
21M21.00 mi1.00 mi20569+18612627+10012627+10018104(Top 64%)11213(Top 70%)11213(Top 199%)
35K21.75 mi0.75 mi20578-912616+1112616+1120592(Top 72%)12251(Top 76%)12251(Top 217%)
23M23.00 mi1.25 mi20484+9412553+6312553+6318831(Top 66%)11373(Top 71%)11373(Top 202%)
24M24.00 mi1.00 mi20474+1012532+2112532+2119726(Top 69%)11736(Top 73%)11736(Top 208%)
40K24.85 mi0.85 mi20439+3512494+3812494+3819200(Top 68%)11428(Top 71%)11428(Top 203%)
25.2M25.20 mi0.35 mi20417+2212479+1512479+1518061(Top 64%)10861(Top 67%)10861(Top 193%)
Finish26.22 mi1.02 mi20357+6012435+4412435+4417669(Top 62%)10722(Top 67%)10722(Top 190%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 74%
×21story building
+97ft-345ft

Overall

21081

Males

12977

M18-39

12977

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

20376

Males

12643

M18-39

12643

10K→15K

6.2 - 9.3 mi

Top 74%
×3story building
+67ft-78ft

Overall

21081

Males

12977

M18-39

12977

15K→20K

9.3 - 12.4 mi

Top 72%
×5story building
+106ft-86ft

Overall

20574

Males

12701

M18-39

12701

20K→Half

12.4 - 13.1 mi

Top 74%
×2story building
+19ft-37ft

Overall

21087

Males

12937

M18-39

12937

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

19983

Males

12404

M18-39

12404

25K→30K

15.5 - 18.6 mi

Top 68%
×9story building
+181ft-148ft

Overall

19385

Males

12006

M18-39

12006

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19698

Males

12018

M18-39

12018

20M→21M

20.0 - 21.0 mi

Top 64%
×8story building
+106ft-24ft

Overall

18104

Males

11213

M18-39

11213

21M→35K

21.0 - 21.8 mi

Top 72%
×7story building
+17ft-86ft

Overall

20592

Males

12251

M18-39

12251

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

18831

Males

11373

M18-39

11373

23M→24M

23.0 - 24.0 mi

Top 69%
×6story building
+12ft-82ft

Overall

19726

Males

11736

M18-39

11736

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19200

Males

11428

M18-39

11428

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18061

Males

10861

M18-39

10861

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

17669

Males

10722

M18-39

10722

Passing Analysis

Category:
Athletes Passed
3680
Passed By
482
Net Change
+3198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23555
5K → 10K13425+1337#23555#22218
10K → 15K42449+375#22218#21843
15K → 20K39043+347#21843#21496
20K → Half5018+32#21496#21464
Half → 25K27940+239#21464#21225
25K → 30K41341+372#21225#20853
30K → 20M14244+98#20853#20755
20M → 21M20721+186#20755#20569
21M → 35K4554-9#20569#20578
35K → 23M12834+94#20578#20484
23M → 24M5949+10#20484#20474
24M → 40K7641+35#20474#20439
40K → 25.2M3816+22#20439#20417
25.2M → Finish8727+60#20417#20357
TOTALS3680482+3198
📊

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