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BOSTON MARATHON 2025

Matthew Lee

MA

Bib: 27302 M

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
11:12/mi
34:49
↑ 97↓ 345
10K· 6.21 mi
11:30/mi
1:10:32
↑ 79↓ 138
15K· 9.32 mi
11:34/mi
1:46:27
↑ 67↓ 78
20K· 12.43 mi
11:54/mi
2:23:25
↑ 106↓ 86
Half· 13.11 mi
11:49/mi
2:31:29
↑ 19↓ 37
25K· 15.53 mi
12:29/mi
3:01:45
↑ 66↓ 88
30K· 18.64 mi
12:54/mi
3:41:49
↑ 181↓ 148
20M
12:55/mi
3:59:22
↑ 64↓ 50
21M
13:43/mi
4:13:05
↑ 106↓ 24
35K· 21.75 mi
12:27/mi
4:22:24
↑ 17↓ 86
23M
12:28/mi
4:38:00
↑ 23↓ 63
24M
12:29/mi
4:50:29
↓ 82
40K· 24.85 mi
12:29/mi
5:01:10
↓ 20
25.2M
13:44/mi
5:05:54
↑ 13↓ 16
Finish· 26.22 mi
11:49/mi
5:17:57
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
2:31:2911:33 /mi⚡ faster
2nd Half
2:46:2812:42 /mi+9.9%
Positive split — 9.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
34:4911:123.11 mi34:49
11:12
-
10K
1:10:3211:213.10 mi35:43
11:30
+0:18
15K
1:46:2711:253.11 mi35:55
11:34
+0:04
20K
2:23:2511:323.11 mi36:58
11:54
+0:20
Half(13.11 mi)
2:31:2911:330.68 mi8:04
11:49
-0:05
25K
3:01:4511:422.42 mi30:16
12:29
+0:40
30K
3:41:4911:543.11 mi40:04
12:54
+0:25
20M
3:59:2211:581.36 mi17:33
12:55
+0:01
21M
4:13:0512:031.00 mi13:43
13:43
+0:48
35K
4:22:2412:040.75 mi9:19
12:27
-1:16
23M
4:38:0012:051.25 mi15:36
12:28
+0:01
24M
4:50:2912:061.00 mi12:29
12:29
+0:01
40K
5:01:1012:070.85 mi10:41
12:29
0:00
25.2M
5:05:5412:080.35 mi4:44
13:44
+1:15
Finish(26.22 mi)
5:17:5712:081.02 mi12:03
11:49
-1:55
Trend:
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoints & Pacing

Pace Line

Fastest Pace

11:12 /mi

Average Pace

12:08 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:43:32

51% of race

Time at Steady Pace

1:18:21

25% of race

Time at Slower Pace

1:16:04

24% of race

Average Pace: 12:08 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi277651589015890272781567215672
10K3.10 mi27690+7515856+3415856+34275951580315803
15K3.11 mi27555+13515794+6215794+62272781567215672
20K3.11 mi27417+13815739+5515739+55270331555615556
Half(13.11 mi)0.68 mi27407+1015732+715732+7273201565115651
25K2.42 mi27322+8515684+4815684+48269141546715467
30K3.11 mi27195+12715610+7415610+74265761524415244
20M1.36 mi27153+4215590+2015590+20263631509315093
21M1.00 mi27112+4115564+2615564+26259121484814848
35K0.75 mi27091+2115552+1215552+12264161505615056
23M1.25 mi27059+3215532+2015532+20257531471314713
24M1.00 mi27029+3015510+2215510+22263001496514965
40K0.85 mi26992+3715487+2315487+23256391461114611
25.2M0.35 mi26981+1115481+615481+6259741474314743
Finish(26.22 mi)1.02 mi26972+915472+915472+9265851509215092

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 96%
×21story building
+97ft-345ft

Overall

27278

Males

15672

M18-39

15672

5K→10K

3.1 - 6.2 mi

Top 97%
×5story building
+79ft-138ft

Overall

27595

Males

15803

M18-39

15803

10K→15K

6.2 - 9.3 mi

Top 96%
×3story building
+67ft-78ft

Overall

27278

Males

15672

M18-39

15672

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

27033

Males

15556

M18-39

15556

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

27320

Males

15651

M18-39

15651

Half→25K

13.1 - 15.5 mi

Top 95%
×4story building
+66ft-88ft

Overall

26914

Males

15467

M18-39

15467

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

26576

Males

15244

M18-39

15244

30K→20M

18.6 - 20.0 mi

Top 93%
×5story building
+64ft-50ft

Overall

26363

Males

15093

M18-39

15093

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

25912

Males

14848

M18-39

14848

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

26416

Males

15056

M18-39

15056

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

25753

Males

14713

M18-39

14713

23M→24M

23.0 - 24.0 mi

Top 93%
×6story building
+12ft-82ft

Overall

26300

Males

14965

M18-39

14965

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

25639

Males

14611

M18-39

14611

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25974

Males

14743

M18-39

14743

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

26585

Males

15092

M18-39

15092

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#27765
5K → 10K
55130+75
#27765 → #27690
10K → 15K
22157+135
#27690 → #27555
15K → 20K
18156+138
#27555 → #27417
20K → Half
1727+10
#27417 → #27407
Half → 25K
28113+85
#27407 → #27322
25K → 30K
27154+127
#27322 → #27195
30K → 20M
1153+42
#27195 → #27153
20M → 21M
445+41
#27153 → #27112
21M → 35K
526+21
#27112 → #27091
35K → 23M
840+32
#27091 → #27059
23M → 24M
1040+30
#27059 → #27029
24M → 40K
542+37
#27029 → #26992
40K → 25.2M
415+11
#26992 → #26981
25.2M → Finish
1322+9
#26981 → #26972
TOTALS
2271020+793
#27765 → #26972

Passing Visualized

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