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BOSTON MARATHON 2025

Hongxiang Li

Bib: 29738•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
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
8:25/mi
26:08
↑ 97↓ 3451.5%
10K· 6.21 mi
9:03/mi
54:14
↑ 79↓ 1380.4%
15K· 9.32 mi
8:55/mi
1:21:56
↑ 67↓ 78
20K· 12.43 mi
10:22/mi
1:54:10
↑ 106↓ 860.1%
Half· 13.11 mi
9:16/mi
2:00:29
↑ 19↓ 370.5%
25K· 15.53 mi
10:36/mi
2:26:11
↑ 66↓ 880.2%
30K· 18.64 mi
12:19/mi
3:04:28
↑ 181↓ 1480.2%
20M
13:38/mi
3:23:00
↑ 64↓ 500.2%
21M
13:15/mi
3:36:15
↑ 106↓ 241.6%
35K· 21.75 mi
13:25/mi
3:46:17
↑ 17↓ 861.7%
23M
13:11/mi
4:02:48
↑ 23↓ 630.6%
24M
12:25/mi
4:15:13
↓ 821.3%
40K· 24.85 mi
13:42/mi
4:26:56
↓ 200.3%
25.2M
12:57/mi
4:31:24
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
4:42:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:29
Pace9:11 /mi
2nd Half
Distance13.11 mi
Time2:41:40
Pace12:20 /mi
📊Positive Split: 34.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:4926:088:2526:08
8:25
-
10K
6.21 mi12:12:5554:148:4428:06
9:03
+0:38
15K
9.32 mi12:40:371:21:568:4727:42
8:55
-0:08
20K
12.43 mi13:12:511:54:109:1132:14
10:22
+1:27
Half
13.11 mi13:19:102:00:299:116:19
9:16
-1:06
25K
15.53 mi13:44:522:26:119:2525:42
10:36
+1:20
30K
18.64 mi14:23:093:04:289:5438:17
12:19
+1:43
20M
20.00 mi14:41:413:23:0010:0918:32
13:38
+1:19
21M
21.00 mi14:54:563:36:1510:1813:15
13:15
-0:23
35K
21.75 mi15:04:583:46:1710:2410:02
13:25
+0:10
23M
23.00 mi15:21:294:02:4810:3316:31
13:11
-0:14
24M
24.00 mi15:33:544:15:1310:3812:25
12:25
-0:46
40K
24.85 mi15:45:374:26:5610:4411:43
13:42
+1:17
25.2M
25.20 mi15:50:054:31:2410:464:28
12:57
-0:45
Finish
26.22 mi16:00:504:42:0910:4610:45
10:33
-2:24

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

8:25 /mi

Average Pace

10:46 /mi

Slowest Pace

13:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:56

56% of race

Time at Steady Pace

1:24:56

30% of race

Time at Slower Pace

40:17

14% of race

Average Pace: 10:46 /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 mi11:44:4926:088:2526:08
8:25
#19376
10K
6.21 mi12:12:5554:148:4428:06
9:03
#21044
15K
9.32 mi12:40:371:21:568:4727:42
8:55
#21202
20K
12.43 mi13:12:511:54:109:1132:14
10:22
#22719
Half
13.11 mi13:19:102:00:299:116:19
9:16
#22741
25K
15.53 mi13:44:522:26:119:2525:42
10:36
#23155
30K
18.64 mi14:23:093:04:289:5438:17
12:19
#23950
20M
20.00 mi14:41:413:23:0010:0918:32
13:38
#24371
21M
21.00 mi14:54:563:36:1510:1813:15
13:15
#24456
35K
21.75 mi15:04:583:46:1710:2410:02
13:25
#24637
23M
23.00 mi15:21:294:02:4810:3316:31
13:11
#24802
24M
24.00 mi15:33:544:15:1310:3812:25
12:25
#24891
40K
24.85 mi15:45:374:26:5610:4411:43
13:42
#24995
25.2M
25.20 mi15:50:054:31:2410:464:28
12:57
#25007
Finish
26.22 mi16:00:504:42:0910:4610:45
10:33
#25004
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi19376121951219521645(Top 76%)13239(Top 82%)13239(Top 803%)
10K6.21 mi3.10 mi21044-166812909-71412909-71422578(Top 79%)13611(Top 85%)13611(Top 826%)
15K9.32 mi3.11 mi21202-15812994-8512994-8521645(Top 76%)13239(Top 82%)13239(Top 803%)
20K12.43 mi3.11 mi22719-151713697-70313697-70324973(Top 88%)14668(Top 91%)14668(Top 890%)
Half13.11 mi0.68 mi22741-2213702-513702-522818(Top 80%)13722(Top 85%)13722(Top 833%)
25K15.53 mi2.42 mi23155-41413871-16913871-16924548(Top 86%)14443(Top 90%)14443(Top 876%)
30K18.64 mi3.11 mi23950-79514184-31314184-31325965(Top 91%)14975(Top 93%)14975(Top 909%)
20M20.00 mi1.36 mi24371-42114362-17814362-17827027(Top 95%)15381(Top 96%)15381(Top 933%)
21M21.00 mi1.00 mi24456-8514386-2414386-2425373(Top 89%)14561(Top 90%)14561(Top 884%)
35K21.75 mi0.75 mi24637-18114460-7414460-7427306(Top 96%)15491(Top 96%)15491(Top 940%)
23M23.00 mi1.25 mi24802-16514519-5914519-5926607(Top 94%)15134(Top 94%)15134(Top 918%)
24M24.00 mi1.00 mi24891-8914547-2814547-2826214(Top 92%)14920(Top 93%)14920(Top 905%)
40K24.85 mi0.85 mi24995-10414582-3514582-3526944(Top 95%)15260(Top 95%)15260(Top 926%)
25.2M25.20 mi0.35 mi25007-1214583-114583-124966(Top 88%)14238(Top 88%)14238(Top 864%)
Finish26.22 mi1.02 mi25004+314581+214581+224393(Top 86%)13979(Top 87%)13979(Top 848%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 76%
×21story building
+97ft-345ft

Overall

21645

Males

13239

M55-59

13239

5K→10K

3.1 - 6.2 mi

Top 79%
×5story building
+79ft-138ft

Overall

22578

Males

13611

M55-59

13611

10K→15K

6.2 - 9.3 mi

Top 76%
×3story building
+67ft-78ft

Overall

21645

Males

13239

M55-59

13239

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

24973

Males

14668

M55-59

14668

20K→Half

12.4 - 13.1 mi

Top 80%
×2story building
+19ft-37ft

Overall

22818

Males

13722

M55-59

13722

Half→25K

13.1 - 15.5 mi

Top 86%
×4story building
+66ft-88ft

Overall

24548

Males

14443

M55-59

14443

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25965

Males

14975

M55-59

14975

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

27027

Males

15381

M55-59

15381

20M→21M

20.0 - 21.0 mi

Top 89%
×8story building
+106ft-24ft

Overall

25373

Males

14561

M55-59

14561

21M→35K

21.0 - 21.8 mi

Top 96%
×7story building
+17ft-86ft

Overall

27306

Males

15491

M55-59

15491

35K→23M

21.8 - 23.0 mi

Top 94%
×5story building
+23ft-63ft

Overall

26607

Males

15134

M55-59

15134

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

26214

Males

14920

M55-59

14920

24M→40K

24.0 - 24.9 mi

Top 95%
×1story
+6ft-20ft

Overall

26944

Males

15260

M55-59

15260

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

24966

Males

14238

M55-59

14238

25.2M→Finish

25.2 - 26.2 mi

Top 86%
×2story building
+22ft-21ft

Overall

24393

Males

13979

M55-59

13979

Passing Analysis

Category:
Athletes Passed
409
Passed By
6037
Net Change
-5628
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19376
5K → 10K161684-1668#19376#21044
10K → 15K148306-158#21044#21202
15K → 20K141531-1517#21202#22719
20K → Half2446-22#22719#22741
Half → 25K44458-414#22741#23155
25K → 30K23818-795#23155#23950
30K → 20M15436-421#23950#24371
20M → 21M34119-85#24371#24456
21M → 35K6187-181#24456#24637
35K → 23M19184-165#24637#24802
23M → 24M16105-89#24802#24891
24M → 40K17121-104#24891#24995
40K → 25.2M820-12#24995#25007
25.2M → Finish2522+3#25007#25004
TOTALS4096037-5628
📊

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