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BOSTON MARATHON 2025

Yigong Yan

Bib: 25399•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M70-74)
#0 / 228
Top 30%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:47
Rank: #24515
Start → 5K
29:47 | 9:35/mi
10K· 6.21 mi
58:14
Rank: #23792 (+723)
5K → 10K
28:27 | 9:09/mi
15K· 9.32 mi
1:27:01
Rank: #23560 (+232)
10K → 15K
28:47 | 9:16/mi
20K· 12.43 mi
1:55:53
Rank: #23209 (+351)
15K → 20K
28:52 | 9:17/mi
Half· 13.11 mi
2:02:05
Rank: #23162 (+47)
20K → Half
6:12 | 9:05/mi
25K· 15.53 mi
2:24:54
Rank: #22881 (+281)
Half → 25K
22:49 | 9:25/mi
30K· 18.64 mi
2:54:41
Rank: #22394 (+487)
25K → 30K
29:47 | 9:35/mi
20M
3:07:39
Rank: #22188 (+206)
30K → 20M
12:58 | 9:33/mi
21M
3:17:56
Rank: #22001 (+187)
20M → 21M
10:17 | 10:17/mi
35K· 21.75 mi
3:24:51
Rank: #21901 (+100)
21M → 35K
6:55 | 9:15/mi
23M
3:37:02
Rank: #21747 (+154)
35K → 23M
12:11 | 9:44/mi
24M
3:46:38
Rank: #21668 (+79)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:55:01
Rank: #21577 (+91)
24M → 40K
8:23 | 9:48/mi
25.2M
3:58:46
Rank: #21558 (+19)
40K → 25.2M
3:45 | 10:52/mi
Finish· 26.22 mi
4:08:31
Rank: #21540 (+18)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:05
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:06:26
Pace9:39 /mi
📊Positive Split: 3.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:30:3629:479:3529:47
9:35
-
10K
6.21 mi11:59:0358:149:2228:27
9:09
-0:26
15K
9.32 mi12:27:501:27:019:2028:47
9:16
+0:07
20K
12.43 mi12:56:421:55:539:1928:52
9:17
+0:01
Half
13.11 mi13:02:542:02:059:196:12
9:05
-0:12
25K
15.53 mi13:25:432:24:549:2022:49
9:25
+0:20
30K
18.64 mi13:55:302:54:419:2229:47
9:35
+0:10
20M
20.00 mi14:08:283:07:399:2312:58
9:33
-0:02
21M
21.00 mi14:18:453:17:569:2610:17
10:17
+0:44
35K
21.75 mi14:25:403:24:519:256:55
9:15
-1:02
23M
23.00 mi14:37:513:37:029:2612:11
9:44
+0:29
24M
24.00 mi14:47:273:46:389:279:36
9:36
-0:08
40K
24.85 mi14:55:503:55:019:278:23
9:48
+0:12
25.2M
25.20 mi14:59:353:58:469:283:45
10:52
+1:04
Finish
26.22 mi15:09:204:08:319:299:45
9:34
-1:18

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

9:05 /mi

Average Pace

9:29 /mi

Slowest Pace

10:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:54:29

94% of race

Time at Steady Pace

10:17

4% of race

Time at Slower Pace

3:45

2% of race

Average Pace: 9:29 /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 mi11:30:3629:479:3529:47
9:35
#24515
10K
6.21 mi11:59:0358:149:2228:27
9:09
#23792
15K
9.32 mi12:27:501:27:019:2028:47
9:16
#23560
20K
12.43 mi12:56:421:55:539:1928:52
9:17
#23209
Half
13.11 mi13:02:542:02:059:196:12
9:05
#23162
25K
15.53 mi13:25:432:24:549:2022:49
9:25
#22881
30K
18.64 mi13:55:302:54:419:2229:47
9:35
#22394
20M
20.00 mi14:08:283:07:399:2312:58
9:33
#22188
21M
21.00 mi14:18:453:17:569:2610:17
10:17
#22001
35K
21.75 mi14:25:403:24:519:256:55
9:15
#21901
23M
23.00 mi14:37:513:37:029:2612:11
9:44
#21747
24M
24.00 mi14:47:273:46:389:279:36
9:36
#21668
40K
24.85 mi14:55:503:55:019:278:23
9:48
#21577
25.2M
25.20 mi14:59:353:58:469:283:45
10:52
#21558
Finish
26.22 mi15:09:204:08:319:299:45
9:34
#21540
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi24515144851448523085(Top 81%)13879(Top 86%)13879(Top 6087%)
10K6.21 mi3.10 mi23792+72314160+32514160+32523023(Top 81%)13812(Top 86%)13812(Top 6058%)
15K9.32 mi3.11 mi23560+23214055+10514055+10523085(Top 81%)13879(Top 86%)13879(Top 6087%)
20K12.43 mi3.11 mi23209+35113911+14413911+14422239(Top 78%)13462(Top 84%)13462(Top 5904%)
Half13.11 mi0.68 mi23162+4713888+2313888+2322150(Top 78%)13395(Top 83%)13395(Top 5875%)
25K15.53 mi2.42 mi22881+28113740+14813740+14821573(Top 76%)13111(Top 81%)13111(Top 5750%)
30K18.64 mi3.11 mi22394+48713485+25513485+25520299(Top 71%)12428(Top 77%)12428(Top 5451%)
20M20.00 mi1.36 mi22188+20613384+10113384+10119356(Top 68%)11859(Top 74%)11859(Top 5201%)
21M21.00 mi1.00 mi22001+18713275+10913275+10919296(Top 68%)11757(Top 73%)11757(Top 5157%)
35K21.75 mi0.75 mi21901+10013218+5713218+5719347(Top 68%)11673(Top 72%)11673(Top 5120%)
23M23.00 mi1.25 mi21747+15413117+10113117+10119554(Top 69%)11696(Top 73%)11696(Top 5130%)
24M24.00 mi1.00 mi21668+7913060+5713060+5719984(Top 70%)11867(Top 74%)11867(Top 5205%)
40K24.85 mi0.85 mi21577+9113003+5713003+5719823(Top 70%)11722(Top 73%)11722(Top 5141%)
25.2M25.20 mi0.35 mi21558+1912986+1712986+1720245(Top 71%)11914(Top 74%)11914(Top 5225%)
Finish26.22 mi1.02 mi21540+1812965+2112965+2121419(Top 75%)12493(Top 78%)12493(Top 5479%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 81%
×21stories
+97ft-345ft

Overall

23085

Males

13879

M70-74

13879

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

23023

Males

13812

M70-74

13812

10K→15K

6.2 - 9.3 mi

Top 81%
×3stories
+67ft-78ft

Overall

23085

Males

13879

M70-74

13879

15K→20K

9.3 - 12.4 mi

Top 78%
×5stories
+106ft-86ft

Overall

22239

Males

13462

M70-74

13462

20K→Half

12.4 - 13.1 mi

Top 78%
×2stories
+19ft-37ft

Overall

22150

Males

13395

M70-74

13395

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

21573

Males

13111

M70-74

13111

25K→30K

15.5 - 18.6 mi

Top 71%
×9stories
+181ft-148ft

Overall

20299

Males

12428

M70-74

12428

30K→20M

18.6 - 20.0 mi

Top 68%
×5stories
+64ft-50ft

Overall

19356

Males

11859

M70-74

11859

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

19296

Males

11757

M70-74

11757

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

19347

Males

11673

M70-74

11673

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19554

Males

11696

M70-74

11696

23M→24M

23.0 - 24.0 mi

Top 70%
×6stories
+12ft-82ft

Overall

19984

Males

11867

M70-74

11867

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

19823

Males

11722

M70-74

11722

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20245

Males

11914

M70-74

11914

25.2M→Finish

25.2 - 26.2 mi

Top 75%
×2stories
+22ft-21ft

Overall

21419

Males

12493

M70-74

12493

Passing Analysis

Category:
Athletes Passed
3248
Passed By
273
Net Change
+2975
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24515
5K → 10K75532+723#24515#23792
10K → 15K29563+232#23792#23560
15K → 20K37322+351#23560#23209
20K → Half5811+47#23209#23162
Half → 25K29817+281#23162#22881
25K → 30K49912+487#22881#22394
30K → 20M2093+206#22394#22188
20M → 21M1969+187#22188#22001
21M → 35K1077+100#22001#21901
35K → 23M16612+154#21901#21747
23M → 24M9314+79#21747#21668
24M → 40K10615+91#21668#21577
40K → 25.2M3213+19#21577#21558
25.2M → Finish6143+18#21558#21540
TOTALS3248273+2975
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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