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BOSTON MARATHON 2025

Jian Zhang

Bib: 7222•M

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 18%
Gender (Male)
#0 / 16105
Top 28%
Masters (Masters Men)
#0 / 10463
Top 14%
Division (M55-59)
#0 / 1648
Top 4%
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
6:44/mi
20:54
↑ 97↓ 3451.5%
10K· 6.21 mi
6:42/mi
41:43
↑ 79↓ 1380.4%
15K· 9.32 mi
6:45/mi
1:02:41
↑ 67↓ 78
20K· 12.43 mi
6:50/mi
1:23:55
↑ 106↓ 860.1%
Half· 13.11 mi
6:36/mi
1:28:25
↑ 19↓ 370.5%
25K· 15.53 mi
6:46/mi
1:44:49
↑ 66↓ 880.2%
30K· 18.64 mi
7:04/mi
2:06:47
↑ 181↓ 1480.2%
20M
7:12/mi
2:16:34
↑ 64↓ 500.2%
21M
7:41/mi
2:24:15
↑ 106↓ 241.6%
35K· 21.75 mi
7:01/mi
2:29:30
↑ 17↓ 861.7%
23M
7:16/mi
2:38:36
↑ 23↓ 630.6%
24M
6:58/mi
2:45:34
↓ 821.3%
40K· 24.85 mi
7:14/mi
2:51:45
↓ 200.3%
25.2M
8:01/mi
2:54:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:01/mi
3:01:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:25
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:33:15
Pace7:07 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:2420:546:4420:54
6:44
-
10K
6.21 mi10:49:1341:436:4320:49
6:42
-0:02
15K
9.32 mi11:10:111:02:416:4420:58
6:45
+0:03
20K
12.43 mi11:31:251:23:556:4521:14
6:50
+0:05
Half
13.11 mi11:35:551:28:256:454:30
6:36
-0:14
25K
15.53 mi11:52:191:44:496:4516:24
6:46
+0:10
30K
18.64 mi12:14:172:06:476:4821:58
7:04
+0:18
20M
20.00 mi12:24:042:16:346:509:47
7:12
+0:08
21M
21.00 mi12:31:452:24:156:527:41
7:41
+0:29
35K
21.75 mi12:37:002:29:306:525:15
7:01
-0:40
23M
23.00 mi12:46:062:38:366:549:06
7:16
+0:15
24M
24.00 mi12:53:042:45:346:546:58
6:58
-0:18
40K
24.85 mi12:59:152:51:456:556:11
7:14
+0:16
25.2M
25.20 mi13:02:012:54:316:562:46
8:01
+0:47
Finish
26.22 mi13:09:103:01:406:567:09
7:01
-1:00

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

6:36 /mi

Average Pace

6:56 /mi

Slowest Pace

8:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:23:35

46% of race

Time at Steady Pace

1:12:21

40% of race

Time at Slower Pace

25:44

14% of race

Average Pace: 6:56 /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 mi10:28:2420:546:4420:54
6:44
#5676
10K
6.21 mi10:49:1341:436:4320:49
6:42
#5498
15K
9.32 mi11:10:111:02:416:4420:58
6:45
#5495
20K
12.43 mi11:31:251:23:556:4521:14
6:50
#5502
Half
13.11 mi11:35:551:28:256:454:30
6:36
#5426
25K
15.53 mi11:52:191:44:496:4516:24
6:46
#5244
30K
18.64 mi12:14:172:06:476:4821:58
7:04
#5173
20M
20.00 mi12:24:042:16:346:509:47
7:12
#5171
21M
21.00 mi12:31:452:24:156:527:41
7:41
#5187
35K
21.75 mi12:37:002:29:306:525:15
7:01
#5177
23M
23.00 mi12:46:062:38:366:549:06
7:16
#5161
24M
24.00 mi12:53:042:45:346:546:58
6:58
#5105
40K
24.85 mi12:59:152:51:456:556:11
7:14
#5068
25.2M
25.20 mi13:02:012:54:316:562:46
8:01
#5066
Finish
26.22 mi13:09:103:01:406:567:09
7:01
#5045
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi5676524352435546(Top 20%)5078(Top 32%)5078(Top 308%)
10K6.21 mi3.10 mi5498+1785082+1615082+1615334(Top 19%)4935(Top 31%)4935(Top 299%)
15K9.32 mi3.11 mi5495+35079+35079+35546(Top 20%)5078(Top 32%)5078(Top 308%)
20K12.43 mi3.11 mi5502-75073+65073+65630(Top 20%)5133(Top 32%)5133(Top 311%)
Half13.11 mi0.68 mi5426+765008+655008+654349(Top 15%)4071(Top 25%)4071(Top 247%)
25K15.53 mi2.42 mi5244+1824843+1654843+1654592(Top 16%)4237(Top 26%)4237(Top 257%)
30K18.64 mi3.11 mi5173+714760+834760+835138(Top 18%)4650(Top 29%)4650(Top 282%)
20M20.00 mi1.36 mi5171+24751+94751+95178(Top 18%)4608(Top 29%)4608(Top 280%)
21M21.00 mi1.00 mi5187-164759-84759-85540(Top 20%)4750(Top 29%)4750(Top 288%)
35K21.75 mi0.75 mi5177+104742+174742+175413(Top 19%)4653(Top 29%)4653(Top 282%)
23M23.00 mi1.25 mi5161+164719+234719+235254(Top 18%)4490(Top 28%)4490(Top 272%)
24M24.00 mi1.00 mi5105+564657+624657+624429(Top 16%)3850(Top 24%)3850(Top 234%)
40K24.85 mi0.85 mi5068+374622+354622+355188(Top 18%)4329(Top 27%)4329(Top 263%)
25.2M25.20 mi0.35 mi5066+24613+94613+95974(Top 21%)4700(Top 29%)4700(Top 285%)
Finish26.22 mi1.02 mi5045+214585+284585+285803(Top 20%)4600(Top 29%)4600(Top 279%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21story building
+97ft-345ft

Overall

5546

Males

5078

M55-59

5078

5K→10K

3.1 - 6.2 mi

Top 19%
×5story building
+79ft-138ft

Overall

5334

Males

4935

M55-59

4935

10K→15K

6.2 - 9.3 mi

Top 20%
×3story building
+67ft-78ft

Overall

5546

Males

5078

M55-59

5078

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5630

Males

5133

M55-59

5133

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4349

Males

4071

M55-59

4071

Half→25K

13.1 - 15.5 mi

Top 16%
×4story building
+66ft-88ft

Overall

4592

Males

4237

M55-59

4237

25K→30K

15.5 - 18.6 mi

Top 18%
×9story building
+181ft-148ft

Overall

5138

Males

4650

M55-59

4650

30K→20M

18.6 - 20.0 mi

Top 18%
×5story building
+64ft-50ft

Overall

5178

Males

4608

M55-59

4608

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5540

Males

4750

M55-59

4750

21M→35K

21.0 - 21.8 mi

Top 19%
×7story building
+17ft-86ft

Overall

5413

Males

4653

M55-59

4653

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5254

Males

4490

M55-59

4490

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4429

Males

3850

M55-59

3850

24M→40K

24.0 - 24.9 mi

Top 18%
×1story
+6ft-20ft

Overall

5188

Males

4329

M55-59

4329

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5974

Males

4700

M55-59

4700

25.2M→Finish

25.2 - 26.2 mi

Top 20%
×2story building
+22ft-21ft

Overall

5803

Males

4600

M55-59

4600

Passing Analysis

Category:
Athletes Passed
1524
Passed By
893
Net Change
+631
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5676
5K → 10K285107+178#5676#5498
10K → 15K121118+3#5498#5495
15K → 20K122129-7#5495#5502
20K → Half837+76#5502#5426
Half → 25K20826+182#5426#5244
25K → 30K197126+71#5244#5173
30K → 20M6866+2#5173#5171
20M → 21M8197-16#5171#5187
21M → 35K4737+10#5187#5177
35K → 23M9882+16#5177#5161
23M → 24M7822+56#5161#5105
24M → 40K6629+37#5105#5068
40K → 25.2M2321+2#5068#5066
25.2M → Finish4726+21#5066#5045
TOTALS1524893+631
📊

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