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BOSTON MARATHON 2025

Antony Rock

Bib: 9372•M

QC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:14
Rank: #19555
Start → 5K
26:14 | 8:27/mi
10K· 6.21 mi
52:20
Rank: #19374 (+181)
5K → 10K
26:06 | 8:24/mi
15K· 9.32 mi
1:18:42
Rank: #19313 (+61)
10K → 15K
26:22 | 8:29/mi
20K· 12.43 mi
1:45:50
Rank: #19360 (-47)
15K → 20K
27:08 | 8:44/mi
Half· 13.11 mi
1:51:30
Rank: #19291 (+69)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:12:07
Rank: #18923 (+368)
Half → 25K
20:37 | 8:30/mi
30K· 18.64 mi
2:39:52
Rank: #18617 (+306)
25K → 30K
27:45 | 8:56/mi
20M
2:52:07
Rank: #18465 (+152)
30K → 20M
12:15 | 9:01/mi
21M
3:01:55
Rank: #18375 (+90)
20M → 21M
9:48 | 9:48/mi
35K· 21.75 mi
3:08:40
Rank: #18388 (-13)
21M → 35K
6:45 | 9:01/mi
23M
3:20:23
Rank: #18349 (+39)
35K → 23M
11:43 | 9:21/mi
24M
3:29:25
Rank: #18293 (+56)
23M → 24M
9:02 | 9:02/mi
40K· 24.85 mi
3:37:39
Rank: #18357 (-64)
24M → 40K
8:14 | 9:38/mi
25.2M
3:41:04
Rank: #18332 (+25)
40K → 25.2M
3:25 | 9:54/mi
Finish· 26.22 mi
3:50:38
Rank: #18459 (-127)
25.2M → Finish
9:34 | 9:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:30
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time1:59:08
Pace9:05 /mi
📊Positive Split: 6.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:5626:148:2726:14
8:27
-
10K
6.21 mi11:27:0252:208:2526:06
8:24
-0:03
15K
9.32 mi11:53:241:18:428:2726:22
8:29
+0:05
20K
12.43 mi12:20:321:45:508:3127:08
8:44
+0:15
Half
13.11 mi12:26:121:51:308:305:40
8:18
-0:26
25K
15.53 mi12:46:492:12:078:3020:37
8:30
+0:12
30K
18.64 mi13:14:342:39:528:3527:45
8:56
+0:26
20M
20.00 mi13:26:492:52:078:3612:15
9:01
+0:05
21M
21.00 mi13:36:373:01:558:409:48
9:48
+0:47
35K
21.75 mi13:43:223:08:408:416:45
9:01
-0:47
23M
23.00 mi13:55:053:20:238:4311:43
9:21
+0:20
24M
24.00 mi14:04:073:29:258:449:02
9:02
-0:19
40K
24.85 mi14:12:213:37:398:458:14
9:38
+0:36
25.2M
25.20 mi14:15:463:41:048:463:25
9:54
+0:16
Finish
26.22 mi14:25:203:50:388:489:34
9:23
-0:31

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

8:18 /mi

Average Pace

8:48 /mi

Slowest Pace

9:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:54

81% of race

Time at Steady Pace

29:31

13% of race

Time at Slower Pace

13:13

6% of race

Average Pace: 8:48 /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 mi11:00:5626:148:2726:14
8:27
#19555
10K
6.21 mi11:27:0252:208:2526:06
8:24
#19374
15K
9.32 mi11:53:241:18:428:2726:22
8:29
#19313
20K
12.43 mi12:20:321:45:508:3127:08
8:44
#19360
Half
13.11 mi12:26:121:51:308:305:40
8:18
#19291
25K
15.53 mi12:46:492:12:078:3020:37
8:30
#18923
30K
18.64 mi13:14:342:39:528:3527:45
8:56
#18617
20M
20.00 mi13:26:492:52:078:3612:15
9:01
#18465
21M
21.00 mi13:36:373:01:558:409:48
9:48
#18375
35K
21.75 mi13:43:223:08:408:416:45
9:01
#18388
23M
23.00 mi13:55:053:20:238:4311:43
9:21
#18349
24M
24.00 mi14:04:073:29:258:449:02
9:02
#18293
40K
24.85 mi14:12:213:37:398:458:14
9:38
#18357
25.2M
25.20 mi14:15:463:41:048:463:25
9:54
#18332
Finish
26.22 mi14:25:203:50:388:489:34
9:23
#18459
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi19555122681226819232(Top 68%)12156(Top 75%)12156(Top 509%)
10K6.21 mi3.10 mi19374+18112212+5612212+5619190(Top 68%)12138(Top 75%)12138(Top 509%)
15K9.32 mi3.11 mi19313+6112187+2512187+2519232(Top 68%)12156(Top 75%)12156(Top 509%)
20K12.43 mi3.11 mi19360-4712192-512192-519575(Top 69%)12269(Top 76%)12269(Top 514%)
Half13.11 mi0.68 mi19291+6912158+3412158+3417938(Top 63%)11608(Top 72%)11608(Top 487%)
25K15.53 mi2.42 mi18923+36811997+16111997+16117218(Top 61%)11190(Top 69%)11190(Top 469%)
30K18.64 mi3.11 mi18617+30611837+16011837+16017319(Top 61%)11074(Top 69%)11074(Top 464%)
20M20.00 mi1.36 mi18465+15211734+10311734+10316855(Top 59%)10752(Top 67%)10752(Top 451%)
21M21.00 mi1.00 mi18375+9011670+6411670+6417465(Top 61%)10905(Top 68%)10905(Top 457%)
35K21.75 mi0.75 mi18388-1311664+611664+618318(Top 64%)11188(Top 69%)11188(Top 469%)
23M23.00 mi1.25 mi18349+3911622+4211622+4218036(Top 63%)10994(Top 68%)10994(Top 461%)
24M24.00 mi1.00 mi18293+5611562+6011562+6017527(Top 62%)10709(Top 66%)10709(Top 449%)
40K24.85 mi0.85 mi18357-6411561+111561+119185(Top 68%)11413(Top 71%)11413(Top 478%)
25.2M25.20 mi0.35 mi18332+2511535+2611535+2616577(Top 58%)10170(Top 63%)10170(Top 426%)
Finish26.22 mi1.02 mi18459-12711576-4111576-4120727(Top 73%)12154(Top 75%)12154(Top 509%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

19232

Males

12156

M45-49

12156

5K→10K

3.1 - 6.2 mi

Top 68%
×5stories
+79ft-138ft

Overall

19190

Males

12138

M45-49

12138

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

19232

Males

12156

M45-49

12156

15K→20K

9.3 - 12.4 mi

Top 69%
×5stories
+106ft-86ft

Overall

19575

Males

12269

M45-49

12269

20K→Half

12.4 - 13.1 mi

Top 63%
×2stories
+19ft-37ft

Overall

17938

Males

11608

M45-49

11608

Half→25K

13.1 - 15.5 mi

Top 61%
×4stories
+66ft-88ft

Overall

17218

Males

11190

M45-49

11190

25K→30K

15.5 - 18.6 mi

Top 61%
×9stories
+181ft-148ft

Overall

17319

Males

11074

M45-49

11074

30K→20M

18.6 - 20.0 mi

Top 59%
×5stories
+64ft-50ft

Overall

16855

Males

10752

M45-49

10752

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17465

Males

10905

M45-49

10905

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18318

Males

11188

M45-49

11188

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

18036

Males

10994

M45-49

10994

23M→24M

23.0 - 24.0 mi

Top 62%
×6stories
+12ft-82ft

Overall

17527

Males

10709

M45-49

10709

24M→40K

24.0 - 24.9 mi

Top 68%
×1story
+6ft-20ft

Overall

19185

Males

11413

M45-49

11413

40K→25.2M

24.9 - 25.2 mi

Top 58%
×1story
+13ft-16ft

Overall

16577

Males

10170

M45-49

10170

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

20727

Males

12154

M45-49

12154

Passing Analysis

Category:
Athletes Passed
2352
Passed By
1256
Net Change
+1096
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#19555
5K → 10K361180+181#19555#19374
10K → 15K228167+61#19374#19313
15K → 20K188235-47#19313#19360
20K → Half745+69#19360#19291
Half → 25K38315+368#19291#18923
25K → 30K39993+306#18923#18617
30K → 20M18937+152#18617#18465
20M → 21M14555+90#18465#18375
21M → 35K5265-13#18375#18388
35K → 23M12485+39#18388#18349
23M → 24M10044+56#18349#18293
24M → 40K48112-64#18293#18357
40K → 25.2M3914+25#18357#18332
25.2M → Finish22149-127#18332#18459
TOTALS23521256+1096
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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