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BOSTON MARATHON 2025

Hao Yuan

Bib: 4362 M CN

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Masters (Masters Men)
#0 / 10463
Top 10%
Division (M45-49)
#0 / 2386
Top 12%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:29/mi
20:10
↑ 97↓ 345
10K· 6.21 mi
6:33/mi
40:31
↑ 79↓ 138
15K· 9.32 mi
6:31/mi
1:00:45
↑ 67↓ 78
20K· 12.43 mi
6:36/mi
1:21:16
↑ 106↓ 86
Half· 13.11 mi
6:23/mi
1:25:37
↑ 19↓ 37
25K· 15.53 mi
6:27/mi
1:41:16
↑ 66↓ 88
30K· 18.64 mi
6:45/mi
2:02:15
↑ 181↓ 148
20M
6:50/mi
2:11:32
↑ 64↓ 50
21M
7:30/mi
2:19:02
↑ 106↓ 24
35K· 21.75 mi
6:57/mi
2:24:14
↑ 17↓ 86
23M
7:18/mi
2:33:23
↑ 23↓ 63
24M
7:25/mi
2:40:48
↓ 82
40K· 24.85 mi
7:30/mi
2:47:13
↓ 20
25.2M
8:30/mi
2:50:09
↑ 13↓ 16
Finish· 26.22 mi
7:48/mi
2:58:06
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:25:376:32 /mi⚡ faster
2nd Half
1:32:297:03 /mi+8.0%
Positive split — 8.0% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:106:293.11 mi20:10
6:29
-
10K
40:316:313.10 mi20:21
6:33
+0:04
15K
1:00:456:313.11 mi20:14
6:31
-0:02
20K
1:21:166:323.11 mi20:31
6:36
+0:05
Half(13.11 mi)
1:25:376:320.68 mi4:21
6:23
-0:13
25K
1:41:166:312.42 mi15:39
6:27
+0:04
30K
2:02:156:333.11 mi20:59
6:45
+0:18
20M
2:11:326:351.36 mi9:17
6:50
+0:05
21M
2:19:026:371.00 mi7:30
7:30
+0:40
35K
2:24:146:380.75 mi5:12
6:57
-0:33
23M
2:33:236:401.25 mi9:09
7:18
+0:21
24M
2:40:486:421.00 mi7:25
7:25
+0:07
40K
2:47:136:440.85 mi6:25
7:30
+0:05
25.2M
2:50:096:450.35 mi2:56
8:30
+1:00
Finish(26.22 mi)
2:58:066:481.02 mi7:57
7:48
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:23 /mi

Average Pace

6:48 /mi

Slowest Pace

8:30 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:00:24

34% of race

Time at Steady Pace

1:16:20

43% of race

Time at Slower Pace

41:22

23% of race

Average Pace: 6:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi376235613561364234403440
10K3.10 mi3923-1613709-1483709-148407038283828
15K3.11 mi3822+1013607+1023607+102364234403440
20K3.11 mi3757+653546+613546+61371635093509
Half(13.11 mi)0.68 mi3716+413509+373509+37292827952795
25K2.42 mi3509+2073322+1873322+187263925122512
30K3.11 mi3375+1343194+1283194+128316329672967
20M1.36 mi3313+623135+593135+59312328992899
21M1.00 mi3374-613188-533188-53459040604060
35K0.75 mi3399-253208-203208-20500343704370
23M1.25 mi3472-733270-623270-62548646494649
24M1.00 mi3606-1343379-1093379-109709755725572
40K0.85 mi3716-1103469-903469-90679753025302
25.2M0.35 mi3791-753526-573526-57871162706270
Finish(26.22 mi)1.02 mi4064-2733754-2283754-2281139376887688

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 13%
×21story building
+97ft-345ft

Overall

3642

Males

3440

M45-49

3440

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

4070

Males

3828

M45-49

3828

10K→15K

6.2 - 9.3 mi

Top 13%
×3story building
+67ft-78ft

Overall

3642

Males

3440

M45-49

3440

15K→20K

9.3 - 12.4 mi

Top 13%
×5story building
+106ft-86ft

Overall

3716

Males

3509

M45-49

3509

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2928

Males

2795

M45-49

2795

Half→25K

13.1 - 15.5 mi

Top 9%
×4story building
+66ft-88ft

Overall

2639

Males

2512

M45-49

2512

25K→30K

15.5 - 18.6 mi

Top 11%
×9story building
+181ft-148ft

Overall

3163

Males

2967

M45-49

2967

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3123

Males

2899

M45-49

2899

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4590

Males

4060

M45-49

4060

21M→35K

21.0 - 21.8 mi

Top 18%
×7story building
+17ft-86ft

Overall

5003

Males

4370

M45-49

4370

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5486

Males

4649

M45-49

4649

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

7097

Males

5572

M45-49

5572

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6797

Males

5302

M45-49

5302

40K→25.2M

24.9 - 25.2 mi

Top 31%
×1story
+13ft-16ft

Overall

8711

Males

6270

M45-49

6270

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

11393

Males

7688

M45-49

7688

Passing Analysis

Category:
▼Net Change
0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#3762
5K → 10K
23675-161
#3762 → #3923
10K → 15K
48149+101
#3923 → #3822
15K → 20K
56121+65
#3822 → #3757
20K → Half
243+41
#3757 → #3716
Half → 25K
4211+207
#3716 → #3509
25K → 30K
39173+134
#3509 → #3375
30K → 20M
3294+62
#3375 → #3313
20M → 21M
9231-61
#3313 → #3374
21M → 35K
5227-25
#3374 → #3399
35K → 23M
11138-73
#3399 → #3472
23M → 24M
15925-134
#3472 → #3606
24M → 40K
13222-110
#3606 → #3716
40K → 25.2M
783-75
#3716 → #3791
25.2M → Finish
2807-273
#3791 → #4064
TOTALS
13211019-302
#3762 → #4064

Passing Visualized

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