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BOSTON MARATHON 2025

Matthew Li

Bib: 3200•M

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 8%
Division (M18-39)
#0 / 5642
Top 19%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:39
Rank: #2576
Start → 5K
19:39 | 6:19/mi
10K· 6.21 mi
39:03
Rank: #2308 (+268)
5K → 10K
19:24 | 6:15/mi
15K· 9.32 mi
58:17
Rank: #2111 (+197)
10K → 15K
19:14 | 6:11/mi
20K· 12.43 mi
1:17:37
Rank: #1969 (+142)
15K → 20K
19:20 | 6:13/mi
Half· 13.11 mi
1:21:47
Rank: #1938 (+31)
20K → Half
4:10 | 6:06/mi
25K· 15.53 mi
1:36:58
Rank: #1895 (+43)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:56:42
Rank: #1765 (+130)
25K → 30K
19:44 | 6:21/mi
20M
2:05:23
Rank: #1691 (+74)
30K → 20M
8:41 | 6:23/mi
21M
2:11:59
Rank: #1605 (+86)
20M → 21M
6:36 | 6:36/mi
35K· 21.75 mi
2:16:25
Rank: #1523 (+82)
21M → 35K
4:26 | 5:56/mi
23M
2:24:27
Rank: #1472 (+51)
35K → 23M
8:02 | 6:25/mi
24M
2:30:41
Rank: #1414 (+58)
23M → 24M
6:14 | 6:14/mi
40K· 24.85 mi
2:36:12
Rank: #1405 (+9)
24M → 40K
5:31 | 6:27/mi
25.2M
2:38:31
Rank: #1379 (+26)
40K → 25.2M
2:19 | 6:43/mi
Finish· 26.22 mi
2:44:34
Rank: #1328 (+51)
25.2M → Finish
6:03 | 5:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:47
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:22:47
Pace6:19 /mi
📊Positive Split: 1.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:0519:396:1919:39
6:19
-
10K
6.21 mi10:40:2939:036:1719:24
6:15
-0:04
15K
9.32 mi10:59:4358:176:1519:14
6:11
-0:04
20K
12.43 mi11:19:031:17:376:1519:20
6:13
+0:02
Half
13.11 mi11:23:131:21:476:144:10
6:06
-0:07
25K
15.53 mi11:38:241:36:586:1515:11
6:16
+0:10
30K
18.64 mi11:58:081:56:426:1619:44
6:21
+0:05
20M
20.00 mi12:06:492:05:236:168:41
6:23
+0:02
21M
21.00 mi12:13:252:11:596:176:36
6:36
+0:13
35K
21.75 mi12:17:512:16:256:164:26
5:56
-0:40
23M
23.00 mi12:25:532:24:276:178:02
6:25
+0:29
24M
24.00 mi12:32:072:30:416:176:14
6:14
-0:11
40K
24.85 mi12:37:382:36:126:175:31
6:27
+0:13
25.2M
25.20 mi12:39:572:38:316:172:19
6:43
+0:16
Finish
26.22 mi12:46:002:44:346:176:03
5:56
-0:47

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

5:56 /mi

Average Pace

6:17 /mi

Slowest Pace

6:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:39

95% of race

Time at Steady Pace

8:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:17 /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 mi10:21:0519:396:1919:39
6:19
#2576
10K
6.21 mi10:40:2939:036:1719:24
6:15
#2308
15K
9.32 mi10:59:4358:176:1519:14
6:11
#2111
20K
12.43 mi11:19:031:17:376:1519:20
6:13
#1969
Half
13.11 mi11:23:131:21:476:144:10
6:06
#1938
25K
15.53 mi11:38:241:36:586:1515:11
6:16
#1895
30K
18.64 mi11:58:081:56:426:1619:44
6:21
#1765
20M
20.00 mi12:06:492:05:236:168:41
6:23
#1691
21M
21.00 mi12:13:252:11:596:176:36
6:36
#1605
35K
21.75 mi12:17:512:16:256:164:26
5:56
#1523
23M
23.00 mi12:25:532:24:276:178:02
6:25
#1472
24M
24.00 mi12:32:072:30:416:176:14
6:14
#1414
40K
24.85 mi12:37:382:36:126:175:31
6:27
#1405
25.2M
25.20 mi12:39:572:38:316:172:19
6:43
#1379
Finish
26.22 mi12:46:002:44:346:176:03
5:56
#1328
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2576245224521804(Top 6%)1715(Top 11%)1715(Top 30%)
10K6.21 mi3.10 mi2308+2682200+2522200+2522114(Top 7%)2017(Top 13%)2017(Top 36%)
15K9.32 mi3.11 mi2111+1972014+1862014+1861804(Top 6%)1715(Top 11%)1715(Top 30%)
20K12.43 mi3.11 mi1969+1421879+1351879+1351662(Top 6%)1580(Top 10%)1580(Top 28%)
Half13.11 mi0.68 mi1938+311848+311848+311546(Top 5%)1469(Top 9%)1469(Top 26%)
25K15.53 mi2.42 mi1895+431805+431805+431699(Top 6%)1614(Top 10%)1614(Top 29%)
30K18.64 mi3.11 mi1765+1301680+1251680+1251371(Top 5%)1295(Top 8%)1295(Top 23%)
20M20.00 mi1.36 mi1691+741605+751605+751205(Top 4%)1136(Top 7%)1136(Top 20%)
21M21.00 mi1.00 mi1605+861522+831522+83914(Top 3%)864(Top 5%)864(Top 15%)
35K21.75 mi0.75 mi1523+821441+811441+81593(Top 2%)552(Top 3%)552(Top 10%)
23M23.00 mi1.25 mi1472+511391+501391+501198(Top 4%)1128(Top 7%)1128(Top 20%)
24M24.00 mi1.00 mi1414+581334+571334+571114(Top 4%)1047(Top 7%)1047(Top 19%)
40K24.85 mi0.85 mi1405+91326+81326+81429(Top 5%)1323(Top 8%)1323(Top 23%)
25.2M25.20 mi0.35 mi1379+261300+261300+26794(Top 3%)737(Top 5%)737(Top 13%)
Finish26.22 mi1.02 mi1328+511250+501250+50781(Top 3%)735(Top 5%)735(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1804

Males

1715

M18-39

1715

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

2114

Males

2017

M18-39

2017

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1804

Males

1715

M18-39

1715

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1662

Males

1580

M18-39

1580

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1546

Males

1469

M18-39

1469

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1699

Males

1614

M18-39

1614

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1371

Males

1295

M18-39

1295

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1205

Males

1136

M18-39

1136

20M→21M

20.0 - 21.0 mi

Top 3%
×8stories
+106ft-24ft

Overall

914

Males

864

M18-39

864

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

593

Males

552

M18-39

552

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1198

Males

1128

M18-39

1128

23M→24M

23.0 - 24.0 mi

Top 4%
×6stories
+12ft-82ft

Overall

1114

Males

1047

M18-39

1047

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1429

Males

1323

M18-39

1323

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

794

Males

737

M18-39

737

25.2M→Finish

25.2 - 26.2 mi

Top 3%
×2stories
+22ft-21ft

Overall

781

Males

735

M18-39

735

Passing Analysis

Category:
Athletes Passed
1379
Passed By
131
Net Change
+1248
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2576
5K → 10K29325+268#2576#2308
10K → 15K20710+197#2308#2111
15K → 20K15210+142#2111#1969
20K → Half321+31#1969#1938
Half → 25K6522+43#1938#1895
25K → 30K14616+130#1895#1765
30K → 20M806+74#1765#1691
20M → 21M893+86#1691#1605
21M → 35K831+82#1605#1523
35K → 23M6211+51#1523#1472
23M → 24M646+58#1472#1414
24M → 40K2415+9#1414#1405
40K → 25.2M271+26#1405#1379
25.2M → Finish554+51#1379#1328
TOTALS1379131+1248
📊

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