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BOSTON MARATHON 2025

Wai Lun Li

Bib: 2218•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 23%
Gender (Male)
#0 / 16105
Top 36%
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
19:32
Rank: #2378
Start → 5K
19:32 | 6:17/mi
10K· 6.21 mi
39:45
Rank: #3054 (-676)
5K → 10K
20:13 | 6:30/mi
15K· 9.32 mi
1:00:18
Rank: #3463 (-409)
10K → 15K
20:33 | 6:37/mi
20K· 12.43 mi
1:21:44
Rank: #3998 (-535)
15K → 20K
21:26 | 6:54/mi
Half· 13.11 mi
1:26:27
Rank: #4125 (-127)
20K → Half
4:43 | 6:55/mi
25K· 15.53 mi
1:44:01
Rank: #4758 (-633)
Half → 25K
17:34 | 7:15/mi
30K· 18.64 mi
2:07:40
Rank: #5581 (-823)
25K → 30K
23:39 | 7:37/mi
20M
2:18:19
Rank: #5839 (-258)
30K → 20M
10:39 | 7:50/mi
21M
2:26:52
Rank: #6049 (-210)
20M → 21M
8:33 | 8:33/mi
35K· 21.75 mi
2:32:28
Rank: #6096 (-47)
21M → 35K
5:36 | 7:29/mi
23M
2:42:28
Rank: #6204 (-108)
35K → 23M
10:00 | 7:59/mi
24M
2:50:20
Rank: #6298 (-94)
23M → 24M
7:52 | 7:52/mi
40K· 24.85 mi
2:57:12
Rank: #6379 (-81)
24M → 40K
6:52 | 8:02/mi
25.2M
3:00:20
Rank: #6421 (-42)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:08:25
Rank: #6604 (-183)
25.2M → Finish
8:05 | 7:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:27
Pace6:36 /mi
2nd Half
Distance13.11 mi
Time1:41:58
Pace7:47 /mi
📊Positive Split: 17.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:0619:326:1719:32
6:17
-
10K
6.21 mi10:40:1939:456:2420:13
6:30
+0:13
15K
9.32 mi11:00:521:00:186:2820:33
6:37
+0:07
20K
12.43 mi11:22:181:21:446:3521:26
6:54
+0:17
Half
13.11 mi11:27:011:26:276:364:43
6:55
+0:01
25K
15.53 mi11:44:351:44:016:4217:34
7:15
+0:20
30K
18.64 mi12:08:142:07:406:5123:39
7:37
+0:22
20M
20.00 mi12:18:532:18:196:5510:39
7:50
+0:13
21M
21.00 mi12:27:262:26:527:008:33
8:33
+0:43
35K
21.75 mi12:33:022:32:287:015:36
7:29
-1:04
23M
23.00 mi12:43:022:42:287:0410:00
7:59
+0:30
24M
24.00 mi12:50:542:50:207:067:52
7:52
-0:07
40K
24.85 mi12:57:462:57:127:086:52
8:02
+0:10
25.2M
25.20 mi13:00:543:00:207:093:08
9:05
+1:03
Finish
26.22 mi13:08:593:08:257:118:05
7:56
-1:09

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

6:17 /mi

Average Pace

7:11 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:27

46% of race

Time at Steady Pace

1:23:25

44% of race

Time at Slower Pace

18:33

10% of race

Average Pace: 7:11 /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 mi10:20:0619:326:1719:32
6:17
#2378
10K
6.21 mi10:40:1939:456:2420:13
6:30
#3054
15K
9.32 mi11:00:521:00:186:2820:33
6:37
#3463
20K
12.43 mi11:22:181:21:446:3521:26
6:54
#3998
Half
13.11 mi11:27:011:26:276:364:43
6:55
#4125
25K
15.53 mi11:44:351:44:016:4217:34
7:15
#4758
30K
18.64 mi12:08:142:07:406:5123:39
7:37
#5581
20M
20.00 mi12:18:532:18:196:5510:39
7:50
#5839
21M
21.00 mi12:27:262:26:527:008:33
8:33
#6049
35K
21.75 mi12:33:022:32:287:015:36
7:29
#6096
23M
23.00 mi12:43:022:42:287:0410:00
7:59
#6204
24M
24.00 mi12:50:542:50:207:067:52
7:52
#6298
40K
24.85 mi12:57:462:57:127:086:52
8:02
#6379
25.2M
25.20 mi13:00:543:00:207:093:08
9:05
#6421
Finish
26.22 mi13:08:593:08:257:118:05
7:56
#6604
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2378226722674359(Top 15%)4093(Top 25%)4093(Top 73%)
10K6.21 mi3.10 mi3054-6762906-6392906-6393789(Top 13%)3574(Top 22%)3574(Top 63%)
15K9.32 mi3.11 mi3463-4093288-3823288-3824359(Top 15%)4093(Top 25%)4093(Top 73%)
20K12.43 mi3.11 mi3998-5353765-4773765-4776186(Top 22%)5576(Top 35%)5576(Top 99%)
Half13.11 mi0.68 mi4125-1273881-1163881-1166977(Top 25%)6197(Top 38%)6197(Top 110%)
25K15.53 mi2.42 mi4758-6334429-5484429-5487934(Top 28%)6719(Top 42%)6719(Top 119%)
30K18.64 mi3.11 mi5581-8235106-6775106-6778521(Top 30%)6891(Top 43%)6891(Top 122%)
20M20.00 mi1.36 mi5839-2585298-1925298-1929239(Top 33%)7115(Top 44%)7115(Top 126%)
21M21.00 mi1.00 mi6049-2105443-1455443-14510756(Top 38%)7736(Top 48%)7736(Top 137%)
35K21.75 mi0.75 mi6096-475473-305473-308468(Top 30%)6560(Top 41%)6560(Top 116%)
23M23.00 mi1.25 mi6204-1085535-625535-629905(Top 35%)7180(Top 45%)7180(Top 127%)
24M24.00 mi1.00 mi6298-945585-505585-5010283(Top 36%)7303(Top 45%)7303(Top 129%)
40K24.85 mi0.85 mi6379-815614-295614-2910381(Top 37%)7227(Top 45%)7227(Top 128%)
25.2M25.20 mi0.35 mi6421-425634-205634-2012164(Top 43%)8048(Top 50%)8048(Top 143%)
Finish26.22 mi1.02 mi6604-1835726-925726-9212375(Top 44%)8208(Top 51%)8208(Top 145%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 15%
×21stories
+97ft-345ft

Overall

4359

Males

4093

M18-39

4093

5K→10K

3.1 - 6.2 mi

Top 13%
×5stories
+79ft-138ft

Overall

3789

Males

3574

M18-39

3574

10K→15K

6.2 - 9.3 mi

Top 15%
×3stories
+67ft-78ft

Overall

4359

Males

4093

M18-39

4093

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6186

Males

5576

M18-39

5576

20K→Half

12.4 - 13.1 mi

Top 25%
×2stories
+19ft-37ft

Overall

6977

Males

6197

M18-39

6197

Half→25K

13.1 - 15.5 mi

Top 28%
×4stories
+66ft-88ft

Overall

7934

Males

6719

M18-39

6719

25K→30K

15.5 - 18.6 mi

Top 30%
×9stories
+181ft-148ft

Overall

8521

Males

6891

M18-39

6891

30K→20M

18.6 - 20.0 mi

Top 33%
×5stories
+64ft-50ft

Overall

9239

Males

7115

M18-39

7115

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10756

Males

7736

M18-39

7736

21M→35K

21.0 - 21.8 mi

Top 30%
×7stories
+17ft-86ft

Overall

8468

Males

6560

M18-39

6560

35K→23M

21.8 - 23.0 mi

Top 35%
×5stories
+23ft-63ft

Overall

9905

Males

7180

M18-39

7180

23M→24M

23.0 - 24.0 mi

Top 36%
×6stories
+12ft-82ft

Overall

10283

Males

7303

M18-39

7303

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

10381

Males

7227

M18-39

7227

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12164

Males

8048

M18-39

8048

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2stories
+22ft-21ft

Overall

12375

Males

8208

M18-39

8208

Passing Analysis

Category:
Athletes Passed
345
Passed By
4571
Net Change
-4226
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2378
5K → 10K12688-676#2378#3054
10K → 15K18427-409#3054#3463
15K → 20K15550-535#3463#3998
20K → Half2129-127#3998#4125
Half → 25K19652-633#4125#4758
25K → 30K48871-823#4758#5581
30K → 20M19277-258#5581#5839
20M → 21M24234-210#5839#6049
21M → 35K2673-47#6049#6096
35K → 23M54162-108#6096#6204
23M → 24M35129-94#6204#6298
24M → 40K35116-81#6298#6379
40K → 25.2M1456-42#6379#6421
25.2M → Finish24207-183#6421#6604
TOTALS3454571-4226
📊

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