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BOSTON MARATHON 2025

Jingdong Liu

Bib: 19135•M

BC

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
8:03/mi
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:02/mi
49:59
↑ 79↓ 1380.4%
15K· 9.32 mi
7:59/mi
1:14:48
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:40:44
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:46:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:07/mi
2:05:50
↑ 66↓ 880.2%
30K· 18.64 mi
8:30/mi
2:32:15
↑ 181↓ 1480.2%
20M
8:58/mi
2:44:26
↑ 64↓ 500.2%
21M
9:15/mi
2:53:41
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:00:09
↑ 17↓ 861.7%
23M
8:58/mi
3:11:23
↑ 23↓ 630.6%
24M
8:52/mi
3:20:15
↓ 821.3%
40K· 24.85 mi
8:52/mi
3:27:50
↓ 200.3%
25.2M
9:37/mi
3:31:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:36/mi
3:39:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:46:10
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:53:45
Pace8:41 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:0425:018:0325:01
8:03
-
10K
6.21 mi11:41:0249:598:0324:58
8:02
-0:01
15K
9.32 mi12:05:511:14:488:0224:49
7:59
-0:03
20K
12.43 mi12:31:471:40:448:0625:56
8:21
+0:22
Half
13.11 mi12:37:131:46:108:065:26
7:58
-0:23
25K
15.53 mi12:56:532:05:508:0619:40
8:07
+0:09
30K
18.64 mi13:23:182:32:158:1026:25
8:30
+0:23
20M
20.00 mi13:35:292:44:268:1312:11
8:58
+0:28
21M
21.00 mi13:44:442:53:418:169:15
9:15
+0:17
35K
21.75 mi13:51:123:00:098:176:28
8:39
-0:36
23M
23.00 mi14:02:263:11:238:1911:14
8:58
+0:19
24M
24.00 mi14:11:183:20:158:218:52
8:52
-0:06
40K
24.85 mi14:18:533:27:508:227:35
8:52
0:00
25.2M
25.20 mi14:22:123:31:098:233:19
9:37
+0:45
Finish
26.22 mi14:30:583:39:558:248:46
8:36
-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

7:58 /mi

Average Pace

8:24 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:50

57% of race

Time at Steady Pace

41:39

19% of race

Time at Slower Pace

52:26

24% of race

Average Pace: 8:23 /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 mi11:16:0425:018:0325:01
8:03
#16999
10K
6.21 mi11:41:0249:598:0324:58
8:02
#16861
15K
9.32 mi12:05:511:14:488:0224:49
7:59
#16515
20K
12.43 mi12:31:471:40:448:0625:56
8:21
#16726
Half
13.11 mi12:37:131:46:108:065:26
7:58
#16662
25K
15.53 mi12:56:532:05:508:0619:40
8:07
#16327
30K
18.64 mi13:23:182:32:158:1026:25
8:30
#15989
20M
20.00 mi13:35:292:44:268:1312:11
8:58
#16008
21M
21.00 mi13:44:442:53:418:169:15
9:15
#15881
35K
21.75 mi13:51:123:00:098:176:28
8:39
#15853
23M
23.00 mi14:02:263:11:238:1911:14
8:58
#15816
24M
24.00 mi14:11:183:20:158:218:52
8:52
#15855
40K
24.85 mi14:18:533:27:508:227:35
8:52
#15828
25.2M
25.20 mi14:22:123:31:098:233:19
9:37
#15804
Finish
26.22 mi14:30:583:39:558:248:46
8:36
#15839
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16999112081120815946(Top 56%)10786(Top 67%)10786(Top 654%)
10K6.21 mi3.10 mi16861+13811164+4411164+4416733(Top 59%)11126(Top 69%)11126(Top 675%)
15K9.32 mi3.11 mi16515+34611027+13711027+13715946(Top 56%)10786(Top 67%)10786(Top 654%)
20K12.43 mi3.11 mi16726-21111104-7711104-7717197(Top 61%)11263(Top 70%)11263(Top 683%)
Half13.11 mi0.68 mi16662+6411074+3011074+3015571(Top 55%)10599(Top 66%)10599(Top 643%)
25K15.53 mi2.42 mi16327+33510922+15210922+15214720(Top 52%)10082(Top 63%)10082(Top 612%)
30K18.64 mi3.11 mi15989+33810729+19310729+19314761(Top 52%)9951(Top 62%)9951(Top 604%)
20M20.00 mi1.36 mi16008-1910691+3810691+3816592(Top 58%)10634(Top 66%)10634(Top 645%)
21M21.00 mi1.00 mi15881+12710596+9510596+9514880(Top 52%)9735(Top 60%)9735(Top 591%)
35K21.75 mi0.75 mi15853+2810572+2410572+2416293(Top 57%)10302(Top 64%)10302(Top 625%)
23M23.00 mi1.25 mi15816+3710515+5710515+5716094(Top 57%)10112(Top 63%)10112(Top 614%)
24M24.00 mi1.00 mi15855-3910517-210517-216651(Top 59%)10316(Top 64%)10316(Top 626%)
40K24.85 mi0.85 mi15828+2710481+3610481+3615561(Top 55%)9695(Top 60%)9695(Top 588%)
25.2M25.20 mi0.35 mi15804+2410457+2410457+2415139(Top 53%)9478(Top 59%)9478(Top 575%)
Finish26.22 mi1.02 mi15839-3510443+1410443+1416834(Top 59%)10315(Top 64%)10315(Top 626%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

15946

Males

10786

M55-59

10786

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

16733

Males

11126

M55-59

11126

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

15946

Males

10786

M55-59

10786

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17197

Males

11263

M55-59

11263

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15571

Males

10599

M55-59

10599

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

14720

Males

10082

M55-59

10082

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

14761

Males

9951

M55-59

9951

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16592

Males

10634

M55-59

10634

20M→21M

20.0 - 21.0 mi

Top 52%
×8story building
+106ft-24ft

Overall

14880

Males

9735

M55-59

9735

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16293

Males

10302

M55-59

10302

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

16094

Males

10112

M55-59

10112

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

16651

Males

10316

M55-59

10316

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15561

Males

9695

M55-59

9695

40K→25.2M

24.9 - 25.2 mi

Top 53%
×1story
+13ft-16ft

Overall

15139

Males

9478

M55-59

9478

25.2M→Finish

25.2 - 26.2 mi

Top 59%
×2story building
+22ft-21ft

Overall

16834

Males

10315

M55-59

10315

Passing Analysis

Category:
Athletes Passed
2471
Passed By
1311
Net Change
+1160
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16999
5K → 10K369231+138#16999#16861
10K → 15K40256+346#16861#16515
15K → 20K139350-211#16515#16726
20K → Half7511+64#16726#16662
Half → 25K35015+335#16662#16327
25K → 30K40264+338#16327#15989
30K → 20M111130-19#15989#16008
20M → 21M17750+127#16008#15881
21M → 35K7850+28#15881#15853
35K → 23M12891+37#15853#15816
23M → 24M5998-39#15816#15855
24M → 40K8457+27#15855#15828
40K → 25.2M4319+24#15828#15804
25.2M → Finish5489-35#15804#15839
TOTALS24711311+1160
📊

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