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BOSTON MARATHON 2025

Jian Yang

Bib: 10803•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
8:34/mi
26:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:54/mi
54:14
↑ 79↓ 1380.4%
15K· 9.32 mi
9:17/mi
1:23:04
↑ 67↓ 78
20K· 12.43 mi
9:59/mi
1:54:05
↑ 106↓ 860.1%
Half· 13.11 mi
9:43/mi
2:00:43
↑ 19↓ 370.5%
25K· 15.53 mi
10:18/mi
2:25:42
↑ 66↓ 880.2%
30K· 18.64 mi
10:51/mi
2:59:25
↑ 181↓ 1480.2%
20M
11:00/mi
3:14:22
↑ 64↓ 500.2%
21M
11:05/mi
3:25:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:47/mi
3:32:46
↑ 17↓ 861.7%
23M
10:30/mi
3:45:54
↑ 23↓ 630.6%
24M
10:30/mi
3:56:24
↓ 821.3%
40K· 24.85 mi
10:56/mi
4:05:45
↓ 200.3%
25.2M
12:25/mi
4:10:02
↑ 13↓ 160.2%
Finish· 26.22 mi
10:15/mi
4:20:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:43
Pace9:12 /mi
2nd Half
Distance13.11 mi
Time2:19:46
Pace10:40 /mi
📊Positive Split: 15.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:3126:368:3426:36
8:34
-
10K
6.21 mi11:46:0954:148:4427:38
8:54
+0:20
15K
9.32 mi12:14:591:23:048:5528:50
9:17
+0:23
20K
12.43 mi12:46:001:54:059:1131:01
9:59
+0:42
Half
13.11 mi12:52:382:00:439:126:38
9:43
-0:16
25K
15.53 mi13:17:372:25:429:2324:59
10:18
+0:35
30K
18.64 mi13:51:202:59:259:3733:43
10:51
+0:33
20M
20.00 mi14:06:173:14:229:4314:57
11:00
+0:09
21M
21.00 mi14:17:223:25:279:4711:05
11:05
+0:05
35K
21.75 mi14:24:413:32:469:477:19
9:47
-1:18
23M
23.00 mi14:37:493:45:549:4913:08
10:30
+0:43
24M
24.00 mi14:48:193:56:249:5110:30
10:30
0:00
40K
24.85 mi14:57:404:05:459:539:21
10:56
+0:26
25.2M
25.20 mi15:01:574:10:029:554:17
12:25
+1:29
Finish
26.22 mi15:12:244:20:299:5710:27
10:15
-2:10

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

8:34 /mi

Average Pace

9:57 /mi

Slowest Pace

12:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:01

37% of race

Time at Steady Pace

1:30:05

35% of race

Time at Slower Pace

1:13:23

28% of race

Average Pace: 9:56 /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 mi11:18:3126:368:3426:36
8:34
#20248
10K
6.21 mi11:46:0954:148:4427:38
8:54
#21043
15K
9.32 mi12:14:591:23:048:5528:50
9:17
#21870
20K
12.43 mi12:46:001:54:059:1131:01
9:59
#22697
Half
13.11 mi12:52:382:00:439:126:38
9:43
#22801
25K
15.53 mi13:17:372:25:429:2324:59
10:18
#23048
30K
18.64 mi13:51:202:59:259:3733:43
10:51
#23169
20M
20.00 mi14:06:173:14:229:4314:57
11:00
#23203
21M
21.00 mi14:17:223:25:279:4711:05
11:05
#23104
35K
21.75 mi14:24:413:32:469:477:19
9:47
#23025
23M
23.00 mi14:37:493:45:549:4913:08
10:30
#22964
24M
24.00 mi14:48:193:56:249:5110:30
10:30
#22944
40K
24.85 mi14:57:404:05:459:539:21
10:56
#22941
25.2M
25.20 mi15:01:574:10:029:554:17
12:25
#22981
Finish
26.22 mi15:12:244:20:299:5710:27
10:15
#23005
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi20248125451254523143(Top 81%)13903(Top 86%)13903(Top 844%)
10K6.21 mi3.10 mi21043-79512908-36312908-36321888(Top 77%)13292(Top 83%)13292(Top 807%)
15K9.32 mi3.11 mi21870-82713281-37313281-37323143(Top 81%)13903(Top 86%)13903(Top 844%)
20K12.43 mi3.11 mi22697-82713685-40413685-40424185(Top 85%)14300(Top 89%)14300(Top 868%)
Half13.11 mi0.68 mi22801-10413728-4313728-4324141(Top 85%)14290(Top 89%)14290(Top 867%)
25K15.53 mi2.42 mi23048-24713820-9213820-9223961(Top 84%)14179(Top 88%)14179(Top 860%)
30K18.64 mi3.11 mi23169-12113827-713827-723715(Top 83%)13942(Top 87%)13942(Top 846%)
20M20.00 mi1.36 mi23203-3413828-113828-123571(Top 83%)13789(Top 86%)13789(Top 837%)
21M21.00 mi1.00 mi23104+9913764+6413764+6421629(Top 76%)12796(Top 79%)12796(Top 776%)
35K21.75 mi0.75 mi23025+7913709+5513709+5521272(Top 75%)12570(Top 78%)12570(Top 763%)
23M23.00 mi1.25 mi22964+6113663+4613663+4622013(Top 77%)12877(Top 80%)12877(Top 781%)
24M24.00 mi1.00 mi22944+2013628+3513628+3522792(Top 80%)13197(Top 82%)13197(Top 801%)
40K24.85 mi0.85 mi22941+313604+2413604+2422991(Top 81%)13238(Top 82%)13238(Top 803%)
25.2M25.20 mi0.35 mi22981-4013619-1513619-1524030(Top 85%)13779(Top 86%)13779(Top 836%)
Finish26.22 mi1.02 mi23005-2413623-413623-423671(Top 83%)13600(Top 84%)13600(Top 825%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21story building
+97ft-345ft

Overall

23143

Males

13903

M55-59

13903

5K→10K

3.1 - 6.2 mi

Top 77%
×5story building
+79ft-138ft

Overall

21888

Males

13292

M55-59

13292

10K→15K

6.2 - 9.3 mi

Top 81%
×3story building
+67ft-78ft

Overall

23143

Males

13903

M55-59

13903

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

24185

Males

14300

M55-59

14300

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

24141

Males

14290

M55-59

14290

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

23961

Males

14179

M55-59

14179

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

23715

Males

13942

M55-59

13942

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23571

Males

13789

M55-59

13789

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

21629

Males

12796

M55-59

12796

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

21272

Males

12570

M55-59

12570

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

22013

Males

12877

M55-59

12877

23M→24M

23.0 - 24.0 mi

Top 80%
×6story building
+12ft-82ft

Overall

22792

Males

13197

M55-59

13197

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22991

Males

13238

M55-59

13238

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

24030

Males

13779

M55-59

13779

25.2M→Finish

25.2 - 26.2 mi

Top 83%
×2story building
+22ft-21ft

Overall

23671

Males

13600

M55-59

13600

Passing Analysis

Category:
Athletes Passed
883
Passed By
3640
Net Change
-2757
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20248
5K → 10K56851-795#20248#21043
10K → 15K50877-827#21043#21870
15K → 20K46873-827#21870#22697
20K → Half11115-104#22697#22801
Half → 25K69316-247#22801#23048
25K → 30K137258-121#23048#23169
30K → 20M6094-34#23169#23203
20M → 21M11516+99#23203#23104
21M → 35K867+79#23104#23025
35K → 23M9837+61#23025#22964
23M → 24M6141+20#22964#22944
24M → 40K5451+3#22944#22941
40K → 25.2M949-40#22941#22981
25.2M → Finish3155-24#22981#23005
TOTALS8833640-2757
📊

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