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BOSTON MARATHON 2025

Zhaojun Yang

Bib: 15804•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 47%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 49%
Division (M55-59)
#0 / 1648
Top 37%
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
7:47/mi
24:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
49:28
↑ 79↓ 1380.4%
15K· 9.32 mi
7:50/mi
1:13:49
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:38:25
↑ 106↓ 860.1%
Half· 13.11 mi
7:52/mi
1:43:47
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:12
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:28:31
↑ 181↓ 1480.2%
20M
8:06/mi
2:39:32
↑ 64↓ 500.2%
21M
8:26/mi
2:47:58
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:53:54
↑ 17↓ 861.7%
23M
8:10/mi
3:04:07
↑ 23↓ 630.6%
24M
7:58/mi
3:12:05
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:19:01
↓ 200.3%
25.2M
8:42/mi
3:22:01
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:29:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:47
Pace7:55 /mi
2nd Half
Distance13.11 mi
Time1:46:12
Pace8:06 /mi
📊Positive Split: 2.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:56:3324:107:4724:10
7:47
-
10K
6.21 mi11:21:5149:287:5825:18
8:09
+0:22
15K
9.32 mi11:46:121:13:497:5524:21
7:50
-0:19
20K
12.43 mi12:10:481:38:257:5524:36
7:55
+0:05
Half
13.11 mi12:16:101:43:477:555:22
7:52
-0:03
25K
15.53 mi12:35:352:03:127:5619:25
8:00
+0:08
30K
18.64 mi13:00:542:28:317:5825:19
8:09
+0:09
20M
20.00 mi13:11:552:39:327:5911:01
8:06
-0:03
21M
21.00 mi13:20:212:47:588:008:26
8:26
+0:20
35K
21.75 mi13:26:172:53:548:005:56
7:56
-0:30
23M
23.00 mi13:36:303:04:078:0010:13
8:10
+0:14
24M
24.00 mi13:44:283:12:058:007:58
7:58
-0:12
40K
24.85 mi13:51:243:19:018:006:56
8:07
+0:09
25.2M
25.20 mi13:54:243:22:018:013:00
8:42
+0:35
Finish
26.22 mi14:02:223:29:598:017:58
7:49
-0:53

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

7:47 /mi

Average Pace

8:01 /mi

Slowest Pace

8:42 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:26:59

99% of race

Time at Steady Pace

3:00

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi10:56:3324:107:4724:10
7:47
#14603
10K
6.21 mi11:21:5149:287:5825:18
8:09
#16173
15K
9.32 mi11:46:121:13:497:5524:21
7:50
#15666
20K
12.43 mi12:10:481:38:257:5524:36
7:55
#15262
Half
13.11 mi12:16:101:43:477:555:22
7:52
#15234
25K
15.53 mi12:35:352:03:127:5619:25
8:00
#14999
30K
18.64 mi13:00:542:28:317:5825:19
8:09
#14425
20M
20.00 mi13:11:552:39:327:5911:01
8:06
#14126
21M
21.00 mi13:20:212:47:588:008:26
8:26
#13844
35K
21.75 mi13:26:172:53:548:005:56
7:56
#13742
23M
23.00 mi13:36:303:04:078:0010:13
8:10
#13561
24M
24.00 mi13:44:283:12:058:007:58
7:58
#13417
40K
24.85 mi13:51:243:19:018:006:56
8:07
#13308
25.2M
25.20 mi13:54:243:22:018:013:00
8:42
#13245
Finish
26.22 mi14:02:223:29:598:017:58
7:49
#13212
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi14603102741027414684(Top 52%)10231(Top 64%)10231(Top 621%)
10K6.21 mi3.10 mi16173-157010876-60210876-60217480(Top 62%)11439(Top 71%)11439(Top 694%)
15K9.32 mi3.11 mi15666+50710684+19210684+19214684(Top 52%)10231(Top 64%)10231(Top 621%)
20K12.43 mi3.11 mi15262+40410485+19910485+19914234(Top 50%)9976(Top 62%)9976(Top 605%)
Half13.11 mi0.68 mi15234+2810476+910476+914740(Top 52%)10215(Top 63%)10215(Top 620%)
25K15.53 mi2.42 mi14999+23510341+13510341+13513940(Top 49%)9722(Top 60%)9722(Top 590%)
30K18.64 mi3.11 mi14425+57410033+30810033+30812424(Top 44%)8879(Top 55%)8879(Top 539%)
20M20.00 mi1.36 mi14126+2999878+1559878+15511155(Top 39%)8117(Top 50%)8117(Top 493%)
21M21.00 mi1.00 mi13844+2829723+1559723+15510053(Top 35%)7404(Top 46%)7404(Top 449%)
35K21.75 mi0.75 mi13742+1029653+709653+7011768(Top 41%)8215(Top 51%)8215(Top 498%)
23M23.00 mi1.25 mi13561+1819532+1219532+12111114(Top 39%)7809(Top 48%)7809(Top 474%)
24M24.00 mi1.00 mi13417+1449450+829450+8210996(Top 39%)7671(Top 48%)7671(Top 465%)
40K24.85 mi0.85 mi13308+1099372+789372+7810936(Top 39%)7546(Top 47%)7546(Top 458%)
25.2M25.20 mi0.35 mi13245+639330+429330+429988(Top 35%)6964(Top 43%)6964(Top 423%)
Finish26.22 mi1.02 mi13212+339301+299301+2911554(Top 41%)7799(Top 48%)7799(Top 473%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 52%
×21story building
+97ft-345ft

Overall

14684

Males

10231

M55-59

10231

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

17480

Males

11439

M55-59

11439

10K→15K

6.2 - 9.3 mi

Top 52%
×3story building
+67ft-78ft

Overall

14684

Males

10231

M55-59

10231

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14234

Males

9976

M55-59

9976

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14740

Males

10215

M55-59

10215

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13940

Males

9722

M55-59

9722

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12424

Males

8879

M55-59

8879

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11155

Males

8117

M55-59

8117

20M→21M

20.0 - 21.0 mi

Top 35%
×8story building
+106ft-24ft

Overall

10053

Males

7404

M55-59

7404

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11768

Males

8215

M55-59

8215

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

11114

Males

7809

M55-59

7809

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10996

Males

7671

M55-59

7671

24M→40K

24.0 - 24.9 mi

Top 39%
×1story
+6ft-20ft

Overall

10936

Males

7546

M55-59

7546

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9988

Males

6964

M55-59

6964

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11554

Males

7799

M55-59

7799

Passing Analysis

Category:
Athletes Passed
3324
Passed By
1933
Net Change
+1391
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14603
5K → 10K301600-1570#14603#16173
10K → 15K54639+507#16173#15666
15K → 20K43935+404#15666#15262
20K → Half5325+28#15262#15234
Half → 25K29863+235#15234#14999
25K → 30K60026+574#14999#14425
30K → 20M31112+299#14425#14126
20M → 21M2875+282#14126#13844
21M → 35K11412+102#13844#13742
35K → 23M20726+181#13742#13561
23M → 24M16319+144#13561#13417
24M → 40K12819+109#13417#13308
40K → 25.2M685+63#13308#13245
25.2M → Finish8047+33#13245#13212
TOTALS33241933+1391
📊

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