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BOSTON MARATHON 2025

Lixiang Chen

Bib: 18454•M

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 39%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 41%
Division (M60-64)
#0 / 1259
Top 10%
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
7:51/mi
24:22
↑ 97↓ 3451.5%
10K· 6.21 mi
7:34/mi
47:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:23/mi
1:10:49
↑ 67↓ 78
20K· 12.43 mi
7:24/mi
1:33:48
↑ 106↓ 860.1%
Half· 13.11 mi
7:20/mi
1:38:48
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:57:03
↑ 66↓ 880.2%
30K· 18.64 mi
7:53/mi
2:21:33
↑ 181↓ 1480.2%
20M
7:55/mi
2:32:19
↑ 64↓ 500.2%
21M
8:21/mi
2:40:40
↑ 106↓ 241.6%
35K· 21.75 mi
8:25/mi
2:46:58
↑ 17↓ 861.7%
23M
8:10/mi
2:57:12
↑ 23↓ 630.6%
24M
7:59/mi
3:05:11
↓ 821.3%
40K· 24.85 mi
7:55/mi
3:11:57
↓ 200.3%
25.2M
8:45/mi
3:14:58
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:22:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:48
Pace7:32 /mi
2nd Half
Distance13.11 mi
Time1:44:03
Pace7:56 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3724:227:5124:22
7:51
-
10K
6.21 mi11:39:0747:527:4223:30
7:34
-0:17
15K
9.32 mi12:02:041:10:497:3622:57
7:23
-0:11
20K
12.43 mi12:25:031:33:487:3322:59
7:24
+0:01
Half
13.11 mi12:30:031:38:487:325:00
7:20
-0:04
25K
15.53 mi12:48:181:57:037:3218:15
7:32
+0:12
30K
18.64 mi13:12:482:21:337:3624:30
7:53
+0:21
20M
20.00 mi13:23:342:32:197:3710:46
7:55
+0:02
21M
21.00 mi13:31:552:40:407:398:21
8:21
+0:26
35K
21.75 mi13:38:132:46:587:416:18
8:25
+0:04
23M
23.00 mi13:48:272:57:127:4210:14
8:10
-0:15
24M
24.00 mi13:56:263:05:117:437:59
7:59
-0:11
40K
24.85 mi14:03:123:11:577:436:46
7:55
-0:04
25.2M
25.20 mi14:06:133:14:587:443:01
8:45
+0:50
Finish
26.22 mi14:14:063:22:517:457:53
7:44
-1:01

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

7:20 /mi

Average Pace

7:45 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:54:57

86% of race

Time at Steady Pace

24:53

12% of race

Time at Slower Pace

3:01

1% of race

Average Pace: 7:44 /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 mi11:15:3724:227:5124:22
7:51
#15177
10K
6.21 mi11:39:0747:527:4223:30
7:34
#13924
15K
9.32 mi12:02:041:10:497:3622:57
7:23
#12835
20K
12.43 mi12:25:031:33:487:3322:59
7:24
#12056
Half
13.11 mi12:30:031:38:487:325:00
7:20
#11947
25K
15.53 mi12:48:181:57:037:3218:15
7:32
#11635
30K
18.64 mi13:12:482:21:337:3624:30
7:53
#11381
20M
20.00 mi13:23:342:32:197:3710:46
7:55
#11215
21M
21.00 mi13:31:552:40:407:398:21
8:21
#11075
35K
21.75 mi13:38:132:46:587:416:18
8:25
#11212
23M
23.00 mi13:48:272:57:127:4210:14
8:10
#11169
24M
24.00 mi13:56:263:05:117:437:59
7:59
#11133
40K
24.85 mi14:03:123:11:577:436:46
7:55
#11044
25.2M
25.20 mi14:06:133:14:587:443:01
8:45
#11003
Finish
26.22 mi14:14:063:22:517:457:53
7:44
#10979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15177104871048710740(Top 38%)8474(Top 53%)8474(Top 673%)
10K6.21 mi3.10 mi13924+12539989+4989989+49812679(Top 45%)9452(Top 59%)9452(Top 751%)
15K9.32 mi3.11 mi12835+10899507+4829507+48210740(Top 38%)8474(Top 53%)8474(Top 673%)
20K12.43 mi3.11 mi12056+7799121+3869121+3869891(Top 35%)7958(Top 49%)7958(Top 632%)
Half13.11 mi0.68 mi11947+1099063+589063+5810233(Top 36%)8149(Top 51%)8149(Top 647%)
25K15.53 mi2.42 mi11635+3128883+1808883+18010187(Top 36%)7982(Top 50%)7982(Top 634%)
30K18.64 mi3.11 mi11381+2548687+1968687+19610523(Top 37%)7948(Top 49%)7948(Top 631%)
20M20.00 mi1.36 mi11215+1668565+1228565+1229915(Top 35%)7496(Top 47%)7496(Top 595%)
21M21.00 mi1.00 mi11075+1408464+1018464+1019520(Top 34%)7118(Top 44%)7118(Top 565%)
35K21.75 mi0.75 mi11212-1378501-378501-3714932(Top 53%)9681(Top 60%)9681(Top 769%)
23M23.00 mi1.25 mi11169+438437+648437+6411188(Top 39%)7840(Top 49%)7840(Top 623%)
24M24.00 mi1.00 mi11133+368377+608377+6011097(Top 39%)7721(Top 48%)7721(Top 613%)
40K24.85 mi0.85 mi11044+898299+788299+789547(Top 34%)6821(Top 42%)6821(Top 542%)
25.2M25.20 mi0.35 mi11003+418263+368263+3610252(Top 36%)7076(Top 44%)7076(Top 562%)
Finish26.22 mi1.02 mi10979+248220+438220+4310946(Top 39%)7485(Top 46%)7485(Top 595%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10740

Males

8474

M60-64

8474

5K→10K

3.1 - 6.2 mi

Top 45%
×5story building
+79ft-138ft

Overall

12679

Males

9452

M60-64

9452

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10740

Males

8474

M60-64

8474

15K→20K

9.3 - 12.4 mi

Top 35%
×5story building
+106ft-86ft

Overall

9891

Males

7958

M60-64

7958

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10233

Males

8149

M60-64

8149

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10187

Males

7982

M60-64

7982

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

10523

Males

7948

M60-64

7948

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9915

Males

7496

M60-64

7496

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

9520

Males

7118

M60-64

7118

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14932

Males

9681

M60-64

9681

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11188

Males

7840

M60-64

7840

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

11097

Males

7721

M60-64

7721

24M→40K

24.0 - 24.9 mi

Top 34%
×1story
+6ft-20ft

Overall

9547

Males

6821

M60-64

6821

40K→25.2M

24.9 - 25.2 mi

Top 36%
×1story
+13ft-16ft

Overall

10252

Males

7076

M60-64

7076

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10946

Males

7485

M60-64

7485

Passing Analysis

Category:
Athletes Passed
4841
Passed By
643
Net Change
+4198
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15177
5K → 10K128128+1253#15177#13924
10K → 15K10923+1089#13924#12835
15K → 20K7834+779#12835#12056
20K → Half1145+109#12056#11947
Half → 25K33725+312#11947#11635
25K → 30K356102+254#11635#11381
30K → 20M19226+166#11381#11215
20M → 21M17737+140#11215#11075
21M → 35K26163-137#11075#11212
35K → 23M12683+43#11212#11169
23M → 24M10064+36#11169#11133
24M → 40K12132+89#11133#11044
40K → 25.2M6019+41#11044#11003
25.2M → Finish7652+24#11003#10979
TOTALS4841643+4198
📊

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