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BOSTON MARATHON 2025

Aiping Liao

Bib: 20589 M CN

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 42%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:50/mi
24:19
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:49/mi
48:36
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:59/mi
1:13:25
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:07/mi
1:38:38
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:08/mi
1:44:11
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:35/mi
2:04:59
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:34/mi
2:34:42
↑ 181↓ 1480.2%
138 ft elev
20M
9:38/mi
2:47:48
↑ 64↓ 500.2%
148 ft elev
21M
10:33/mi
2:58:21
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:48/mi
3:05:41
↑ 17↓ 861.7%
156 ft elev
23M
9:45/mi
3:17:54
↑ 23↓ 630.6%
116 ft elev
24M
8:55/mi
3:26:49
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:09/mi
3:34:38
↓ 200.3%
20 ft elev
25.2M
10:38/mi
3:38:18
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:29/mi
3:46:57
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:11
Pace7:57 /mi
2nd Half
Distance13.11 mi
Time2:02:46
Pace9:22 /mi
📊Positive Split: 17.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:5424:197:5024:19
7:50
-
10K
6.21 mi11:42:1148:367:4924:17
7:49
-0:01
15K
9.32 mi12:07:001:13:257:5324:49
7:59
+0:10
20K
12.43 mi12:32:131:38:387:5625:13
8:07
+0:08
Half
13.11 mi12:37:461:44:117:575:33
8:08
+0:01
25K
15.53 mi12:58:342:04:598:0320:48
8:35
+0:27
30K
18.64 mi13:28:172:34:428:1829:43
9:34
+0:59
20M
20.00 mi13:41:232:47:488:2313:06
9:38
+0:04
21M
21.00 mi13:51:562:58:218:3010:33
10:33
+0:55
35K
21.75 mi13:59:163:05:418:327:20
9:48
-0:45
23M
23.00 mi14:11:293:17:548:3612:13
9:45
-0:03
24M
24.00 mi14:20:243:26:498:378:55
8:55
-0:50
40K
24.85 mi14:28:133:34:388:387:49
9:09
+0:14
25.2M
25.20 mi14:31:533:38:188:403:40
10:38
+1:29
Finish
26.22 mi14:40:323:46:578:408:39
8:29
-2:09

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

7:49 /mi

Average Pace

8:40 /mi

Slowest Pace

10:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:44:11

46% of race

Time at Steady Pace

46:11

20% of race

Time at Slower Pace

1:16:35

34% of race

Average Pace: 8:39 /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 mi11:17:5424:197:5024:19
7:50
#15044
10K
6.21 mi11:42:1148:367:4924:17
7:49
#14949
15K
9.32 mi12:07:001:13:257:5324:49
7:59
#15301
20K
12.43 mi12:32:131:38:387:5625:13
8:07
#15420
Half
13.11 mi12:37:461:44:117:575:33
8:08
#15508
25K
15.53 mi12:58:342:04:598:0320:48
8:35
#15924
30K
18.64 mi13:28:172:34:428:1829:43
9:34
#16832
20M
20.00 mi13:41:232:47:488:2313:06
9:38
#17073
21M
21.00 mi13:51:562:58:218:3010:33
10:33
#17313
35K
21.75 mi13:59:163:05:418:327:20
9:48
#17529
23M
23.00 mi14:11:293:17:548:3612:13
9:45
#17697
24M
24.00 mi14:20:243:26:498:378:55
8:55
#17638
40K
24.85 mi14:28:133:34:388:387:49
9:09
#17614
25.2M
25.20 mi14:31:533:38:188:403:40
10:38
#17642
Finish
26.22 mi14:40:323:46:578:408:39
8:29
#17585
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi15044104441044415954(Top 56%)10794(Top 67%)10794(Top 857%)
10K6.21 mi3.10 mi14949+9510386+5810386+5814961(Top 53%)10410(Top 65%)10410(Top 827%)
15K9.32 mi3.11 mi15301-35210526-14010526-14015954(Top 56%)10794(Top 67%)10794(Top 857%)
20K12.43 mi3.11 mi15420-11910558-3210558-3215740(Top 55%)10642(Top 66%)10642(Top 845%)
Half13.11 mi0.68 mi15508-8810597-3910597-3916821(Top 59%)11116(Top 69%)11116(Top 883%)
25K15.53 mi2.42 mi15924-41610757-16010757-16017662(Top 62%)11385(Top 71%)11385(Top 904%)
30K18.64 mi3.11 mi16832-90811066-30911066-30920200(Top 71%)12384(Top 77%)12384(Top 984%)
20M20.00 mi1.36 mi17073-24111131-6511131-6519727(Top 69%)12026(Top 75%)12026(Top 955%)
21M21.00 mi1.00 mi17313-24011199-6811199-6820155(Top 71%)12103(Top 75%)12103(Top 961%)
35K21.75 mi0.75 mi17529-21611279-8011279-8021314(Top 75%)12576(Top 78%)12576(Top 999%)
23M23.00 mi1.25 mi17697-16811320-4111320-4119640(Top 69%)11733(Top 73%)11733(Top 932%)
24M24.00 mi1.00 mi17638+5911264+5611264+5616914(Top 60%)10422(Top 65%)10422(Top 828%)
40K24.85 mi0.85 mi17614+2411224+4011224+4017068(Top 60%)10409(Top 65%)10409(Top 827%)
25.2M25.20 mi0.35 mi17642-2811229-511229-519434(Top 68%)11508(Top 71%)11508(Top 914%)
Finish26.22 mi1.02 mi17585+5711186+4311186+4316131(Top 57%)9997(Top 62%)9997(Top 794%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15954

Males

10794

M60-64

10794

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14961

Males

10410

M60-64

10410

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15954

Males

10794

M60-64

10794

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15740

Males

10642

M60-64

10642

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

16821

Males

11116

M60-64

11116

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17662

Males

11385

M60-64

11385

25K→30K

15.5 - 18.6 mi

Top 71%
×9story building
+181ft-148ft

Overall

20200

Males

12384

M60-64

12384

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

19727

Males

12026

M60-64

12026

20M→21M

20.0 - 21.0 mi

Top 71%
×8story building
+106ft-24ft

Overall

20155

Males

12103

M60-64

12103

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21314

Males

12576

M60-64

12576

35K→23M

21.8 - 23.0 mi

Top 69%
×5story building
+23ft-63ft

Overall

19640

Males

11733

M60-64

11733

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

16914

Males

10422

M60-64

10422

24M→40K

24.0 - 24.9 mi

Top 60%
×1story
+6ft-20ft

Overall

17068

Males

10409

M60-64

10409

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19434

Males

11508

M60-64

11508

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

16131

Males

9997

M60-64

9997

Passing Analysis

Category:
Athletes Passed
1254
Passed By
3795
Net Change
-2541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15044
5K → 10K338243+95#15044#14949
10K → 15K109461-352#14949#15301
15K → 20K172291-119#15301#15420
20K → Half14102-88#15420#15508
Half → 25K84500-416#15508#15924
25K → 30K61969-908#15924#16832
30K → 20M40281-241#16832#17073
20M → 21M59299-240#17073#17313
21M → 35K26242-216#17313#17529
35K → 23M65233-168#17529#17697
23M → 24M10142+59#17697#17638
24M → 40K7854+24#17638#17614
40K → 25.2M2149-28#17614#17642
25.2M → Finish8629+57#17642#17585
TOTALS12543795-2541
📊

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