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BOSTON MARATHON 2025

Cuong Chau

NM

Bib: 22974 M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 44%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:15/mi
25:39
↑ 97↓ 345
10K· 6.21 mi
8:20/mi
51:31
↑ 79↓ 138
15K· 9.32 mi
8:24/mi
1:17:37
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:44:01
↑ 106↓ 86
Half· 13.11 mi
8:27/mi
1:49:47
↑ 19↓ 37
25K· 15.53 mi
8:36/mi
2:10:38
↑ 66↓ 88
30K· 18.64 mi
8:46/mi
2:37:52
↑ 181↓ 148
20M
8:53/mi
2:49:56
↑ 64↓ 50
21M
9:22/mi
2:59:18
↑ 106↓ 24
35K· 21.75 mi
8:31/mi
3:05:40
↑ 17↓ 86
23M
9:07/mi
3:17:05
↑ 23↓ 63
24M
9:00/mi
3:26:05
↓ 82
40K· 24.85 mi
9:28/mi
3:34:11
↓ 20
25.2M
10:26/mi
3:37:47
↑ 13↓ 16
Finish· 26.22 mi
9:44/mi
3:47:42
↑ 22↓ 21
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:49:478:22 /mi⚡ faster
2nd Half
1:57:559:00 /mi+7.4%
Positive split — 7.4% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:398:153.11 mi25:39
8:15
-
10K
51:318:173.10 mi25:52
8:20
+0:05
15K
1:17:378:203.11 mi26:06
8:24
+0:04
20K
1:44:018:223.11 mi26:24
8:30
+0:06
Half(13.11 mi)
1:49:478:220.68 mi5:46
8:27
-0:03
25K
2:10:388:252.42 mi20:51
8:36
+0:09
30K
2:37:528:283.11 mi27:14
8:46
+0:10
20M
2:49:568:301.36 mi12:04
8:53
+0:07
21M
2:59:188:321.00 mi9:22
9:22
+0:29
35K
3:05:408:320.75 mi6:22
8:31
-0:51
23M
3:17:058:341.25 mi11:25
9:07
+0:36
24M
3:26:058:351.00 mi9:00
9:00
-0:07
40K
3:34:118:370.85 mi8:06
9:28
+0:28
25.2M
3:37:478:390.35 mi3:36
10:26
+0:58
Finish(26.22 mi)
3:47:428:411.02 mi9:55
9:44
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:15 /mi

Average Pace

8:41 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:23:23

37% of race

Time at Steady Pace

1:41:55

45% of race

Time at Slower Pace

42:24

19% of race

Average Pace: 8:41 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi184441178311783187051192511925
10K3.10 mi18545-10111851-6811851-68187041194211942
15K3.11 mi18569-2411853-211853-2187051192511925
20K3.11 mi18447+12211802+5111802+51182121170311703
Half(13.11 mi)0.68 mi18476-2911826-2411826-24188391196411964
25K2.42 mi18329+14711737+8911737+89177921143711437
30K3.11 mi17900+42911504+23311504+233163911066710667
20M1.36 mi17757+14311409+9511409+95161051041710417
21M1.00 mi17605+15211331+7811331+781546699979997
35K0.75 mi17523+8211275+5611275+561552899599959
23M1.25 mi17462+6111210+6511210+65169021046410464
24M1.00 mi17458+411189+2111189+21173521062910629
40K0.85 mi17503-4511173+1611173+16185871111411114
25.2M0.35 mi17528-2511172+111172+1187451118911189
Finish(26.22 mi)1.02 mi17763-23511268-9611268-96220081278912789

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 66%
×21story building
+97ft-345ft

Overall

18705

Males

11925

M60-64

11925

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18704

Males

11942

M60-64

11942

10K→15K

6.2 - 9.3 mi

Top 66%
×3story building
+67ft-78ft

Overall

18705

Males

11925

M60-64

11925

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18212

Males

11703

M60-64

11703

20K→Half

12.4 - 13.1 mi

Top 66%
×2story building
+19ft-37ft

Overall

18839

Males

11964

M60-64

11964

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

17792

Males

11437

M60-64

11437

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16391

Males

10667

M60-64

10667

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

16105

Males

10417

M60-64

10417

20M→21M

20.0 - 21.0 mi

Top 54%
×8story building
+106ft-24ft

Overall

15466

Males

9997

M60-64

9997

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

15528

Males

9959

M60-64

9959

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16902

Males

10464

M60-64

10464

23M→24M

23.0 - 24.0 mi

Top 61%
×6story building
+12ft-82ft

Overall

17352

Males

10629

M60-64

10629

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

18587

Males

11114

M60-64

11114

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

18745

Males

11189

M60-64

11189

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

22008

Males

12789

M60-64

12789

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#18444
5K → 10K
319218-101
#18444 → #18545
10K → 15K
205181-24
#18545 → #18569
15K → 20K
124246+122
#18569 → #18447
20K → Half
5728-29
#18447 → #18476
Half → 25K
90237+147
#18476 → #18329
25K → 30K
52481+429
#18329 → #17900
30K → 20M
44187+143
#17900 → #17757
20M → 21M
30182+152
#17757 → #17605
21M → 35K
24106+82
#17605 → #17523
35K → 23M
78139+61
#17523 → #17462
23M → 24M
7781+4
#17462 → #17458
24M → 40K
10156-45
#17458 → #17503
40K → 25.2M
4318-25
#17503 → #17528
25.2M → Finish
25318-235
#17528 → #17763
TOTALS
14972178+681
#18444 → #17763

Passing Visualized

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