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BOSTON MARATHON 2025

Yayuan Yan

Bib: 29898•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 26%
Gender (Male)
#0 / 16105
Top 38%
Division (M18-39)
#0 / 5642
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
6:59/mi
21:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:09/mi
43:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:06:19
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:28:42
↑ 106↓ 860.1%
Half· 13.11 mi
6:56/mi
1:33:26
↑ 19↓ 370.5%
25K· 15.53 mi
7:14/mi
1:50:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:39/mi
2:14:44
↑ 181↓ 1480.2%
20M
7:38/mi
2:25:06
↑ 64↓ 500.2%
21M
8:01/mi
2:33:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:06/mi
2:38:26
↑ 17↓ 861.7%
23M
7:31/mi
2:47:51
↑ 23↓ 630.6%
24M
7:21/mi
2:55:12
↓ 821.3%
40K· 24.85 mi
7:13/mi
3:01:22
↓ 200.3%
25.2M
7:41/mi
3:04:01
↑ 13↓ 160.2%
Finish· 26.22 mi
6:42/mi
3:10:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:26
Pace7:08 /mi
2nd Half
Distance13.11 mi
Time1:37:25
Pace7:26 /mi
📊Positive Split: 4.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:40:0721:426:5921:42
6:59
-
10K
6.21 mi12:02:2143:567:0422:14
7:09
+0:10
15K
9.32 mi12:24:441:06:197:0722:23
7:12
+0:03
20K
12.43 mi12:47:071:28:427:0822:23
7:12
0:00
Half
13.11 mi12:51:511:33:267:084:44
6:56
-0:16
25K
15.53 mi13:09:241:50:597:0917:33
7:14
+0:18
30K
18.64 mi13:33:092:14:447:1423:45
7:39
+0:25
20M
20.00 mi13:43:312:25:067:1510:22
7:38
-0:01
21M
21.00 mi13:51:322:33:077:178:01
8:01
+0:23
35K
21.75 mi13:56:512:38:267:175:19
7:06
-0:55
23M
23.00 mi14:06:162:47:517:189:25
7:31
+0:25
24M
24.00 mi14:13:372:55:127:187:21
7:21
-0:10
40K
24.85 mi14:19:473:01:227:186:10
7:13
-0:08
25.2M
25.20 mi14:22:263:04:017:182:39
7:41
+0:28
Finish
26.22 mi14:29:163:10:517:176:50
6:42
-0:59

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

6:42 /mi

Average Pace

7:17 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:16:39

72% of race

Time at Steady Pace

46:11

24% of race

Time at Slower Pace

8:01

4% of race

Average Pace: 7:17 /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 mi11:40:0721:426:5921:42
6:59
#7690
10K
6.21 mi12:02:2143:567:0422:14
7:09
#8429
15K
9.32 mi12:24:441:06:197:0722:23
7:12
#8606
20K
12.43 mi12:47:071:28:427:0822:23
7:12
#8436
Half
13.11 mi12:51:511:33:267:084:44
6:56
#8354
25K
15.53 mi13:09:241:50:597:0917:33
7:14
#8245
30K
18.64 mi13:33:092:14:447:1423:45
7:39
#8229
20M
20.00 mi13:43:312:25:067:1510:22
7:38
#8169
21M
21.00 mi13:51:322:33:077:178:01
8:01
#8053
35K
21.75 mi13:56:512:38:267:175:19
7:06
#7934
23M
23.00 mi14:06:162:47:517:189:25
7:31
#7787
24M
24.00 mi14:13:372:55:127:187:21
7:21
#7707
40K
24.85 mi14:19:473:01:227:186:10
7:13
#7562
25.2M
25.20 mi14:22:263:04:017:182:39
7:41
#7484
Finish
26.22 mi14:29:163:10:517:176:50
6:42
#7292
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7690678867889147(Top 32%)7627(Top 47%)7627(Top 135%)
10K6.21 mi3.10 mi8429-7397254-4667254-4669111(Top 32%)7665(Top 48%)7665(Top 136%)
15K9.32 mi3.11 mi8606-1777347-937347-939147(Top 32%)7627(Top 47%)7627(Top 135%)
20K12.43 mi3.11 mi8436+1707215+1327215+1328233(Top 29%)7005(Top 43%)7005(Top 124%)
Half13.11 mi0.68 mi8354+827163+527163+527118(Top 25%)6295(Top 39%)6295(Top 112%)
25K15.53 mi2.42 mi8245+1097080+837080+837872(Top 28%)6680(Top 41%)6680(Top 118%)
30K18.64 mi3.11 mi8229+167012+687012+688770(Top 31%)7011(Top 44%)7011(Top 124%)
20M20.00 mi1.36 mi8169+606947+656947+657859(Top 28%)6346(Top 39%)6346(Top 112%)
21M21.00 mi1.00 mi8053+1166834+1136834+1137402(Top 26%)5905(Top 37%)5905(Top 105%)
35K21.75 mi0.75 mi7934+1196737+976737+976002(Top 21%)5059(Top 31%)5059(Top 90%)
23M23.00 mi1.25 mi7787+1476601+1366601+1366722(Top 24%)5424(Top 34%)5424(Top 96%)
24M24.00 mi1.00 mi7707+806522+796522+796693(Top 24%)5340(Top 33%)5340(Top 95%)
40K24.85 mi0.85 mi7562+1456394+1286394+1285106(Top 18%)4277(Top 27%)4277(Top 76%)
25.2M25.20 mi0.35 mi7484+786328+666328+664244(Top 15%)3600(Top 22%)3600(Top 64%)
Finish26.22 mi1.02 mi7292+1926189+1396189+1393898(Top 14%)3363(Top 21%)3363(Top 60%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9147

Males

7627

M18-39

7627

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

9111

Males

7665

M18-39

7665

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9147

Males

7627

M18-39

7627

15K→20K

9.3 - 12.4 mi

Top 29%
×5story building
+106ft-86ft

Overall

8233

Males

7005

M18-39

7005

20K→Half

12.4 - 13.1 mi

Top 25%
×2story building
+19ft-37ft

Overall

7118

Males

6295

M18-39

6295

Half→25K

13.1 - 15.5 mi

Top 28%
×4story building
+66ft-88ft

Overall

7872

Males

6680

M18-39

6680

25K→30K

15.5 - 18.6 mi

Top 31%
×9story building
+181ft-148ft

Overall

8770

Males

7011

M18-39

7011

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7859

Males

6346

M18-39

6346

20M→21M

20.0 - 21.0 mi

Top 26%
×8story building
+106ft-24ft

Overall

7402

Males

5905

M18-39

5905

21M→35K

21.0 - 21.8 mi

Top 21%
×7story building
+17ft-86ft

Overall

6002

Males

5059

M18-39

5059

35K→23M

21.8 - 23.0 mi

Top 24%
×5story building
+23ft-63ft

Overall

6722

Males

5424

M18-39

5424

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6693

Males

5340

M18-39

5340

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5106

Males

4277

M18-39

4277

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4244

Males

3600

M18-39

3600

25.2M→Finish

25.2 - 26.2 mi

Top 14%
×2story building
+22ft-21ft

Overall

3898

Males

3363

M18-39

3363

Passing Analysis

Category:
Athletes Passed
1990
Passed By
1592
Net Change
+398
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7690
5K → 10K35774-739#7690#8429
10K → 15K104281-177#8429#8606
15K → 20K25787+170#8606#8436
20K → Half842+82#8436#8354
Half → 25K17768+109#8354#8245
25K → 30K203187+16#8245#8229
30K → 20M13272+60#8229#8169
20M → 21M15741+116#8169#8053
21M → 35K1278+119#8053#7934
35K → 23M17427+147#7934#7787
23M → 24M10727+80#7787#7707
24M → 40K1549+145#7707#7562
40K → 25.2M835+78#7562#7484
25.2M → Finish1964+192#7484#7292
TOTALS19901592+398
📊

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