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BOSTON MARATHON 2025

Kerry Darkes

Bib: 19613•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:47
Rank: #16395
Start → 5K
24:47 | 7:59/mi
10K· 6.21 mi
49:14
Rank: #15891 (+504)
5K → 10K
24:27 | 7:52/mi
15K· 9.32 mi
1:13:53
Rank: #15724 (+167)
10K → 15K
24:39 | 7:56/mi
20K· 12.43 mi
1:39:20
Rank: #15864 (-140)
15K → 20K
25:27 | 8:11/mi
Half· 13.11 mi
1:44:48
Rank: #15879 (-15)
20K → Half
5:28 | 8:01/mi
25K· 15.53 mi
2:04:48
Rank: #15835 (+44)
Half → 25K
20:00 | 8:15/mi
30K· 18.64 mi
2:32:24
Rank: #16047 (-212)
25K → 30K
27:36 | 8:53/mi
20M
2:44:40
Rank: #16092 (-45)
30K → 20M
12:16 | 9:02/mi
21M
2:54:33
Rank: #16155 (-63)
20M → 21M
9:53 | 9:53/mi
35K· 21.75 mi
3:01:10
Rank: #16167 (-12)
21M → 35K
6:37 | 8:51/mi
23M
3:12:31
Rank: #16144 (+23)
35K → 23M
11:21 | 9:04/mi
24M
3:21:29
Rank: #16172 (-28)
23M → 24M
8:58 | 8:58/mi
40K· 24.85 mi
3:29:04
Rank: #16144 (+28)
24M → 40K
7:35 | 8:52/mi
25.2M
3:32:45
Rank: #16230 (-86)
40K → 25.2M
3:41 | 10:41/mi
Finish· 26.22 mi
3:41:44
Rank: #16305 (-75)
25.2M → Finish
8:59 | 8:49/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:48
Pace8:00 /mi
2nd Half
Distance13.11 mi
Time1:56:56
Pace8:55 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:4724:477:5924:47
7:59
-
10K
6.21 mi11:41:1449:147:5524:27
7:52
-0:07
15K
9.32 mi12:05:531:13:537:5624:39
7:56
+0:04
20K
12.43 mi12:31:201:39:208:0025:27
8:11
+0:15
Half
13.11 mi12:36:481:44:488:005:28
8:01
-0:10
25K
15.53 mi12:56:482:04:488:0220:00
8:15
+0:14
30K
18.64 mi13:24:242:32:248:1127:36
8:53
+0:38
20M
20.00 mi13:36:402:44:408:1412:16
9:02
+0:09
21M
21.00 mi13:46:332:54:338:199:53
9:53
+0:51
35K
21.75 mi13:53:103:01:108:206:37
8:51
-1:02
23M
23.00 mi14:04:313:12:318:2211:21
9:04
+0:13
24M
24.00 mi14:13:293:21:298:248:58
8:58
-0:06
40K
24.85 mi14:21:043:29:048:257:35
8:52
-0:06
25.2M
25.20 mi14:24:453:32:458:273:41
10:41
+1:49
Finish
26.22 mi14:33:443:41:448:288:59
8:49
-1:52

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

7:52 /mi

Average Pace

8:28 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:04:48

56% of race

Time at Steady Pace

1:23:22

38% of race

Time at Slower Pace

13:34

6% of race

Average Pace: 8:27 /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 mi11:16:4724:477:5924:47
7:59
#16395
10K
6.21 mi11:41:1449:147:5524:27
7:52
#15891
15K
9.32 mi12:05:531:13:537:5624:39
7:56
#15724
20K
12.43 mi12:31:201:39:208:0025:27
8:11
#15864
Half
13.11 mi12:36:481:44:488:005:28
8:01
#15879
25K
15.53 mi12:56:482:04:488:0220:00
8:15
#15835
30K
18.64 mi13:24:242:32:248:1127:36
8:53
#16047
20M
20.00 mi13:36:402:44:408:1412:16
9:02
#16092
21M
21.00 mi13:46:332:54:338:199:53
9:53
#16155
35K
21.75 mi13:53:103:01:108:206:37
8:51
#16167
23M
23.00 mi14:04:313:12:318:2211:21
9:04
#16144
24M
24.00 mi14:13:293:21:298:248:58
8:58
#16172
40K
24.85 mi14:21:043:29:048:257:35
8:52
#16144
25.2M
25.20 mi14:24:453:32:458:273:41
10:41
#16230
Finish
26.22 mi14:33:443:41:448:288:59
8:49
#16305
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi16395109611096115509(Top 55%)10600(Top 66%)10600(Top 643%)
10K6.21 mi3.10 mi15891+50410776+18510776+18515430(Top 54%)10592(Top 66%)10592(Top 643%)
15K9.32 mi3.11 mi15724+16710712+6410712+6415509(Top 55%)10600(Top 66%)10600(Top 643%)
20K12.43 mi3.11 mi15864-14010745-3310745-3316249(Top 57%)10848(Top 67%)10848(Top 658%)
Half13.11 mi0.68 mi15879-1510749-410749-415950(Top 56%)10753(Top 67%)10753(Top 652%)
25K15.53 mi2.42 mi15835+4410715+3410715+3415609(Top 55%)10491(Top 65%)10491(Top 637%)
30K18.64 mi3.11 mi16047-21210753-3810753-3817054(Top 60%)10951(Top 68%)10951(Top 665%)
20M20.00 mi1.36 mi16092-4510729+2410729+2416908(Top 60%)10773(Top 67%)10773(Top 654%)
21M21.00 mi1.00 mi16155-6310727+210727+217826(Top 63%)11075(Top 69%)11075(Top 672%)
35K21.75 mi0.75 mi16167-1210702+2510702+2517449(Top 61%)10799(Top 67%)10799(Top 655%)
23M23.00 mi1.25 mi16144+2310665+3710665+3716609(Top 58%)10333(Top 64%)10333(Top 627%)
24M24.00 mi1.00 mi16172-2810648+1710648+1717171(Top 60%)10542(Top 65%)10542(Top 640%)
40K24.85 mi0.85 mi16144+2810618+3010618+3015564(Top 55%)9698(Top 60%)9698(Top 588%)
25.2M25.20 mi0.35 mi16230-8610646-2810646-2819606(Top 69%)11589(Top 72%)11589(Top 703%)
Finish26.22 mi1.02 mi16305-7510655-910655-918111(Top 64%)10918(Top 68%)10918(Top 663%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15509

Males

10600

M55-59

10600

5K→10K

3.1 - 6.2 mi

Top 54%
×5stories
+79ft-138ft

Overall

15430

Males

10592

M55-59

10592

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15509

Males

10600

M55-59

10600

15K→20K

9.3 - 12.4 mi

Top 57%
×5stories
+106ft-86ft

Overall

16249

Males

10848

M55-59

10848

20K→Half

12.4 - 13.1 mi

Top 56%
×2stories
+19ft-37ft

Overall

15950

Males

10753

M55-59

10753

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

15609

Males

10491

M55-59

10491

25K→30K

15.5 - 18.6 mi

Top 60%
×9stories
+181ft-148ft

Overall

17054

Males

10951

M55-59

10951

30K→20M

18.6 - 20.0 mi

Top 60%
×5stories
+64ft-50ft

Overall

16908

Males

10773

M55-59

10773

20M→21M

20.0 - 21.0 mi

Top 63%
×8stories
+106ft-24ft

Overall

17826

Males

11075

M55-59

11075

21M→35K

21.0 - 21.8 mi

Top 61%
×7stories
+17ft-86ft

Overall

17449

Males

10799

M55-59

10799

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

16609

Males

10333

M55-59

10333

23M→24M

23.0 - 24.0 mi

Top 60%
×6stories
+12ft-82ft

Overall

17171

Males

10542

M55-59

10542

24M→40K

24.0 - 24.9 mi

Top 55%
×1story
+6ft-20ft

Overall

15564

Males

9698

M55-59

9698

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

19606

Males

11589

M55-59

11589

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2stories
+22ft-21ft

Overall

18111

Males

10918

M55-59

10918

Passing Analysis

Category:
Athletes Passed
2013
Passed By
1923
Net Change
+90
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16395
5K → 10K623119+504#16395#15891
10K → 15K287120+167#15891#15724
15K → 20K158298-140#15724#15864
20K → Half2843-15#15864#15879
Half → 25K194150+44#15879#15835
25K → 30K161373-212#15835#16047
30K → 20M99144-45#16047#16092
20M → 21M83146-63#16092#16155
21M → 35K6173-12#16155#16167
35K → 23M12198+23#16167#16144
23M → 24M6189-28#16144#16172
24M → 40K7547+28#16172#16144
40K → 25.2M1197-86#16144#16230
25.2M → Finish51126-75#16230#16305
TOTALS20131923+90
📊

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