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BOSTON MARATHON 2025

Bin Xu

Bib: 18444•M

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 38%
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Top 40%
Division (M60-64)
#0 / 1259
Top 10%
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
7:21/mi
22:49
↑ 97↓ 3451.5%
10K· 6.21 mi
7:18/mi
45:29
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:08:17
↑ 67↓ 78
20K· 12.43 mi
7:22/mi
1:31:10
↑ 106↓ 860.1%
Half· 13.11 mi
7:27/mi
1:36:15
↑ 19↓ 370.5%
25K· 15.53 mi
7:32/mi
1:54:31
↑ 66↓ 880.2%
30K· 18.64 mi
8:00/mi
2:19:23
↑ 181↓ 1480.2%
20M
8:05/mi
2:30:22
↑ 64↓ 500.2%
21M
8:37/mi
2:38:59
↑ 106↓ 241.6%
35K· 21.75 mi
7:56/mi
2:44:55
↑ 17↓ 861.7%
23M
8:30/mi
2:55:33
↑ 23↓ 630.6%
24M
8:18/mi
3:03:51
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:11:02
↓ 200.3%
25.2M
9:08/mi
3:14:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:55/mi
3:22:15
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:15
Pace7:21 /mi
2nd Half
Distance13.11 mi
Time1:46:00
Pace8:05 /mi
📊Positive Split: 10.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:2322:497:2122:49
7:21
-
10K
6.21 mi11:36:0345:297:1922:40
7:18
-0:03
15K
9.32 mi11:58:511:08:177:2022:48
7:20
+0:02
20K
12.43 mi12:21:441:31:107:2022:53
7:22
+0:02
Half
13.11 mi12:26:491:36:157:215:05
7:27
+0:05
25K
15.53 mi12:45:051:54:317:2218:16
7:32
+0:05
30K
18.64 mi13:09:572:19:237:2924:52
8:00
+0:28
20M
20.00 mi13:20:562:30:227:3110:59
8:05
+0:05
21M
21.00 mi13:29:332:38:597:348:37
8:37
+0:32
35K
21.75 mi13:35:292:44:557:355:56
7:56
-0:41
23M
23.00 mi13:46:072:55:337:3810:38
8:30
+0:34
24M
24.00 mi13:54:253:03:517:408:18
8:18
-0:12
40K
24.85 mi14:01:363:11:027:417:11
8:24
+0:06
25.2M
25.20 mi14:04:453:14:117:423:09
9:08
+0:44
Finish
26.22 mi14:12:493:22:157:438:04
7:55
-1:13

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

7:18 /mi

Average Pace

7:43 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:31

57% of race

Time at Steady Pace

49:51

25% of race

Time at Slower Pace

37:53

19% of race

Average Pace: 7:43 /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 mi11:13:2322:497:2122:49
7:21
#10793
10K
6.21 mi11:36:0345:297:1922:40
7:18
#10496
15K
9.32 mi11:58:511:08:177:2022:48
7:20
#10437
20K
12.43 mi12:21:441:31:107:2022:53
7:22
#10180
Half
13.11 mi12:26:491:36:157:215:05
7:27
#10231
25K
15.53 mi12:45:051:54:317:2218:16
7:32
#10202
30K
18.64 mi13:09:572:19:237:2924:52
8:00
#10374
20M
20.00 mi13:20:562:30:227:3110:59
8:05
#10408
21M
21.00 mi13:29:332:38:597:348:37
8:37
#10436
35K
21.75 mi13:35:292:44:557:355:56
7:56
#10469
23M
23.00 mi13:46:072:55:337:3810:38
8:30
#10612
24M
24.00 mi13:54:253:03:517:408:18
8:18
#10699
40K
24.85 mi14:01:363:11:027:417:11
8:24
#10765
25.2M
25.20 mi14:04:453:14:117:423:09
9:08
#10779
Finish
26.22 mi14:12:493:22:157:438:04
7:55
#10807
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi107938584858410303(Top 36%)8249(Top 51%)8249(Top 655%)
10K6.21 mi3.10 mi10496+2978422+1628422+16210311(Top 36%)8319(Top 52%)8319(Top 661%)
15K9.32 mi3.11 mi10437+598362+608362+6010303(Top 36%)8249(Top 51%)8249(Top 655%)
20K12.43 mi3.11 mi10180+2578202+1608202+1609589(Top 34%)7788(Top 48%)7788(Top 619%)
Half13.11 mi0.68 mi10231-518222-208222-2011254(Top 40%)8665(Top 54%)8665(Top 688%)
25K15.53 mi2.42 mi10202+298171+518171+5110236(Top 36%)8005(Top 50%)8005(Top 636%)
30K18.64 mi3.11 mi10374-1728209-388209-3811393(Top 40%)8387(Top 52%)8387(Top 666%)
20M20.00 mi1.36 mi10408-348178+318178+3110962(Top 39%)8010(Top 50%)8010(Top 636%)
21M21.00 mi1.00 mi10436-288147+318147+3111172(Top 39%)7957(Top 49%)7957(Top 632%)
35K21.75 mi0.75 mi10469-338150-38150-311745(Top 41%)8192(Top 51%)8192(Top 651%)
23M23.00 mi1.25 mi10612-1438176-268176-2613236(Top 47%)8794(Top 55%)8794(Top 698%)
24M24.00 mi1.00 mi10699-878174+28174+213231(Top 47%)8756(Top 54%)8756(Top 695%)
40K24.85 mi0.85 mi10765-668177-38177-312767(Top 45%)8408(Top 52%)8408(Top 668%)
25.2M25.20 mi0.35 mi10779-148167+108167+1012489(Top 44%)8218(Top 51%)8218(Top 653%)
Finish26.22 mi1.02 mi10807-288142+258142+2512262(Top 43%)8165(Top 51%)8165(Top 649%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

10303

Males

8249

M60-64

8249

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

10311

Males

8319

M60-64

8319

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

10303

Males

8249

M60-64

8249

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9589

Males

7788

M60-64

7788

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

11254

Males

8665

M60-64

8665

Half→25K

13.1 - 15.5 mi

Top 36%
×4story building
+66ft-88ft

Overall

10236

Males

8005

M60-64

8005

25K→30K

15.5 - 18.6 mi

Top 40%
×9story building
+181ft-148ft

Overall

11393

Males

8387

M60-64

8387

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10962

Males

8010

M60-64

8010

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

11172

Males

7957

M60-64

7957

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

11745

Males

8192

M60-64

8192

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13236

Males

8794

M60-64

8794

23M→24M

23.0 - 24.0 mi

Top 47%
×6story building
+12ft-82ft

Overall

13231

Males

8756

M60-64

8756

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

12767

Males

8408

M60-64

8408

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12489

Males

8218

M60-64

8218

25.2M→Finish

25.2 - 26.2 mi

Top 43%
×2story building
+22ft-21ft

Overall

12262

Males

8165

M60-64

8165

Passing Analysis

Category:
Athletes Passed
1826
Passed By
1838
Net Change
-14
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10793
5K → 10K420123+297#10793#10496
10K → 15K198139+59#10496#10437
15K → 20K31355+257#10437#10180
20K → Half1364-51#10180#10231
Half → 25K173144+29#10231#10202
25K → 30K182353-172#10202#10374
30K → 20M110144-34#10374#10408
20M → 21M100128-28#10408#10436
21M → 35K4982-33#10436#10469
35K → 23M71214-143#10469#10612
23M → 24M51138-87#10612#10699
24M → 40K48114-66#10699#10765
40K → 25.2M2943-14#10765#10779
25.2M → Finish6997-28#10779#10807
TOTALS18261838-14
📊

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