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BOSTON MARATHON 2025

Xiangrui Liu

Bib: 18986•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 37%
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
7:50/mi
24:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:54/mi
48:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:54/mi
1:13:24
↑ 67↓ 78
20K· 12.43 mi
8:16/mi
1:39:05
↑ 106↓ 860.1%
Half· 13.11 mi
8:45/mi
1:45:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:33/mi
2:05:46
↑ 66↓ 880.2%
30K· 18.64 mi
9:04/mi
2:33:57
↑ 181↓ 1480.2%
20M
9:30/mi
2:46:52
↑ 64↓ 500.2%
21M
10:25/mi
2:57:17
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:03:45
↑ 17↓ 861.7%
23M
9:10/mi
3:15:14
↑ 23↓ 630.6%
24M
9:07/mi
3:24:21
↓ 821.3%
40K· 24.85 mi
8:21/mi
3:31:29
↓ 200.3%
25.2M
10:18/mi
3:35:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:51/mi
3:44:03
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:03
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:59:00
Pace9:05 /mi
📊Positive Split: 13.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5524:197:5024:19
7:50
-
10K
6.21 mi11:42:2848:527:5224:33
7:54
+0:04
15K
9.32 mi12:07:001:13:247:5324:33
7:54
0:00
20K
12.43 mi12:32:411:39:057:5825:41
8:16
+0:22
Half
13.11 mi12:38:391:45:038:015:58
8:45
+0:29
25K
15.53 mi12:59:222:05:468:0620:43
8:33
-0:12
30K
18.64 mi13:27:332:33:578:1628:11
9:04
+0:31
20M
20.00 mi13:40:282:46:528:2112:55
9:30
+0:26
21M
21.00 mi13:50:532:57:178:2710:25
10:25
+0:55
35K
21.75 mi13:57:213:03:458:276:28
8:39
-1:46
23M
23.00 mi14:08:503:15:148:2911:29
9:10
+0:31
24M
24.00 mi14:17:573:24:218:319:07
9:07
-0:03
40K
24.85 mi14:25:053:31:298:317:08
8:21
-0:46
25.2M
25.20 mi14:28:383:35:028:323:33
10:18
+1:57
Finish
26.22 mi14:37:393:44:038:339:01
8:51
-1:27

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

7:50 /mi

Average Pace

8:33 /mi

Slowest Pace

10:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:13

47% of race

Time at Steady Pace

1:19:28

35% of race

Time at Slower Pace

38:22

17% of race

Average Pace: 8:33 /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 mi11:17:5524:197:5024:19
7:50
#15042
10K
6.21 mi11:42:2848:527:5224:33
7:54
#15359
15K
9.32 mi12:07:001:13:247:5324:33
7:54
#15287
20K
12.43 mi12:32:411:39:057:5825:41
8:16
#15726
Half
13.11 mi12:38:391:45:038:015:58
8:45
#16031
25K
15.53 mi12:59:222:05:468:0620:43
8:33
#16291
30K
18.64 mi13:27:332:33:578:1628:11
9:04
#16577
20M
20.00 mi13:40:282:46:528:2112:55
9:30
#16782
21M
21.00 mi13:50:532:57:178:2710:25
10:25
#16956
35K
21.75 mi13:57:213:03:458:276:28
8:39
#16928
23M
23.00 mi14:08:503:15:148:2911:29
9:10
#16941
24M
24.00 mi14:17:573:24:218:319:07
9:07
#16984
40K
24.85 mi14:25:053:31:298:317:08
8:21
#16798
25.2M
25.20 mi14:28:383:35:028:323:33
10:18
#16820
Finish
26.22 mi14:37:393:44:038:339:01
8:51
#16915
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15042104421044215235(Top 54%)10474(Top 65%)10474(Top 832%)
10K6.21 mi3.10 mi15359-31710558-11610558-11615658(Top 55%)10688(Top 66%)10688(Top 849%)
15K9.32 mi3.11 mi15287+7210518+4010518+4015235(Top 54%)10474(Top 65%)10474(Top 832%)
20K12.43 mi3.11 mi15726-43910684-16610684-16616729(Top 59%)11059(Top 69%)11059(Top 878%)
Half13.11 mi0.68 mi16031-30510814-13010814-13020572(Top 72%)12698(Top 79%)12698(Top 1009%)
25K15.53 mi2.42 mi16291-26010908-9410908-9417436(Top 61%)11282(Top 70%)11282(Top 896%)
30K18.64 mi3.11 mi16577-28610959-5110959-5118026(Top 63%)11391(Top 71%)11391(Top 905%)
20M20.00 mi1.36 mi16782-20511027-6811027-6819180(Top 68%)11765(Top 73%)11765(Top 934%)
21M21.00 mi1.00 mi16956-17411056-2911056-2919732(Top 69%)11919(Top 74%)11919(Top 947%)
35K21.75 mi0.75 mi16928+2811025+3111025+3116306(Top 57%)10315(Top 64%)10315(Top 819%)
23M23.00 mi1.25 mi16941-1310994+3110994+3117188(Top 61%)10593(Top 66%)10593(Top 841%)
24M24.00 mi1.00 mi16984-4310992+210992+217951(Top 63%)10897(Top 68%)10897(Top 866%)
40K24.85 mi0.85 mi16798+18610883+10910883+10912415(Top 44%)8255(Top 51%)8255(Top 656%)
25.2M25.20 mi0.35 mi16820-2210871+1210871+1218229(Top 64%)10922(Top 68%)10922(Top 868%)
Finish26.22 mi1.02 mi16915-9510899-2810899-2818267(Top 64%)11000(Top 68%)11000(Top 874%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15235

Males

10474

M60-64

10474

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

15658

Males

10688

M60-64

10688

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15235

Males

10474

M60-64

10474

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

16729

Males

11059

M60-64

11059

20K→Half

12.4 - 13.1 mi

Top 72%
×2story building
+19ft-37ft

Overall

20572

Males

12698

M60-64

12698

Half→25K

13.1 - 15.5 mi

Top 61%
×4story building
+66ft-88ft

Overall

17436

Males

11282

M60-64

11282

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

18026

Males

11391

M60-64

11391

30K→20M

18.6 - 20.0 mi

Top 68%
×5story building
+64ft-50ft

Overall

19180

Males

11765

M60-64

11765

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

19732

Males

11919

M60-64

11919

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16306

Males

10315

M60-64

10315

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

17188

Males

10593

M60-64

10593

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

17951

Males

10897

M60-64

10897

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

12415

Males

8255

M60-64

8255

40K→25.2M

24.9 - 25.2 mi

Top 64%
×1story
+13ft-16ft

Overall

18229

Males

10922

M60-64

10922

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

18267

Males

11000

M60-64

11000

Passing Analysis

Category:
Athletes Passed
1407
Passed By
3280
Net Change
-1873
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15042
5K → 10K180497-317#15042#15359
10K → 15K241169+72#15359#15287
15K → 20K106545-439#15287#15726
20K → Half3308-305#15726#16031
Half → 25K97357-260#16031#16291
25K → 30K146432-286#16291#16577
30K → 20M51256-205#16577#16782
20M → 21M70244-174#16782#16956
21M → 35K7446+28#16956#16928
35K → 23M113126-13#16928#16941
23M → 24M61104-43#16941#16984
24M → 40K1959+186#16984#16798
40K → 25.2M2749-22#16798#16820
25.2M → Finish43138-95#16820#16915
TOTALS14073280-1873
📊

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