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BOSTON MARATHON 2025

Darren Casey

Bib: 12717•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M50-54)
#0 / 1996
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
7:19/mi
22:44
↑ 97↓ 3451.5%
10K· 6.21 mi
7:27/mi
45:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:09:33
↑ 67↓ 78
20K· 12.43 mi
7:41/mi
1:33:26
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:38:37
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
1:58:35
↑ 66↓ 880.2%
30K· 18.64 mi
10:09/mi
2:30:06
↑ 181↓ 1480.2%
20M
11:03/mi
2:45:07
↑ 64↓ 500.2%
21M
12:40/mi
2:57:47
↑ 106↓ 241.6%
35K· 21.75 mi
12:53/mi
3:07:25
↑ 17↓ 861.7%
23M
11:32/mi
3:21:51
↑ 23↓ 630.6%
24M
9:53/mi
3:31:44
↓ 821.3%
40K· 24.85 mi
10:30/mi
3:40:43
↓ 200.3%
25.2M
10:50/mi
3:44:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:53:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:37
Pace7:31 /mi
2nd Half
Distance13.11 mi
Time2:14:53
Pace10:17 /mi
📊Positive Split: 36.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4922:447:1922:44
7:19
-
10K
6.21 mi11:13:5745:527:2323:08
7:27
+0:08
15K
9.32 mi11:37:381:09:337:2823:41
7:37
+0:10
20K
12.43 mi12:01:311:33:267:3123:53
7:41
+0:04
Half
13.11 mi12:06:421:38:377:315:11
7:36
-0:05
25K
15.53 mi12:26:401:58:357:3819:58
8:14
+0:38
30K
18.64 mi12:58:112:30:068:0331:31
10:09
+1:55
20M
20.00 mi13:13:122:45:078:1515:01
11:03
+0:54
21M
21.00 mi13:25:522:57:478:2812:40
12:40
+1:37
35K
21.75 mi13:35:303:07:258:379:38
12:53
+0:13
23M
23.00 mi13:49:563:21:518:4714:26
11:32
-1:21
24M
24.00 mi13:59:493:31:448:499:53
9:53
-1:39
40K
24.85 mi14:08:483:40:438:538:59
10:30
+0:37
25.2M
25.20 mi14:12:323:44:278:543:44
10:50
+0:20
Finish
26.22 mi14:21:353:53:308:559:03
8:53
-1:57

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

7:19 /mi

Average Pace

8:55 /mi

Slowest Pace

12:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:07:38

55% of race

Time at Steady Pace

50:23

22% of race

Time at Slower Pace

55:29

24% of race

Average Pace: 8:54 /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 mi10:50:4922:447:1922:44
7:19
#10536
10K
6.21 mi11:13:5745:527:2323:08
7:27
#11069
15K
9.32 mi11:37:381:09:337:2823:41
7:37
#11644
20K
12.43 mi12:01:311:33:267:3123:53
7:41
#11792
Half
13.11 mi12:06:421:38:377:315:11
7:36
#11825
25K
15.53 mi12:26:401:58:357:3819:58
8:14
#12471
30K
18.64 mi12:58:112:30:068:0331:31
10:09
#15149
20M
20.00 mi13:13:122:45:078:1515:01
11:03
#16230
21M
21.00 mi13:25:522:57:478:2812:40
12:40
#17134
35K
21.75 mi13:35:303:07:258:379:38
12:53
#18039
23M
23.00 mi13:49:563:21:518:4714:26
11:32
#18731
24M
24.00 mi13:59:493:31:448:499:53
9:53
#18888
40K
24.85 mi14:08:483:40:438:538:59
10:30
#19048
25.2M
25.20 mi14:12:323:44:278:543:44
10:50
#19069
Finish
26.22 mi14:21:353:53:308:559:03
8:53
#19038
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi105368465846512795(Top 45%)9435(Top 59%)9435(Top 473%)
10K6.21 mi3.10 mi11069-5338712-2478712-24711603(Top 41%)8963(Top 56%)8963(Top 449%)
15K9.32 mi3.11 mi11644-5758967-2558967-25512795(Top 45%)9435(Top 59%)9435(Top 473%)
20K12.43 mi3.11 mi11792-1489002-359002-3512286(Top 43%)9100(Top 57%)9100(Top 456%)
Half13.11 mi0.68 mi11825-339003-19003-112547(Top 44%)9277(Top 58%)9277(Top 465%)
25K15.53 mi2.42 mi12471-6469262-2599262-25915524(Top 55%)10449(Top 65%)10449(Top 523%)
30K18.64 mi3.11 mi15149-267810355-109310355-109322030(Top 78%)13179(Top 82%)13179(Top 660%)
20M20.00 mi1.36 mi16230-108110786-43110786-43123678(Top 83%)13835(Top 86%)13835(Top 693%)
21M21.00 mi1.00 mi17134-90411129-34311129-34324611(Top 87%)14190(Top 88%)14190(Top 711%)
35K21.75 mi0.75 mi18039-90511519-39011519-39026850(Top 95%)15260(Top 95%)15260(Top 765%)
23M23.00 mi1.25 mi18731-69211781-26211781-26224304(Top 86%)13994(Top 87%)13994(Top 701%)
24M24.00 mi1.00 mi18888-15711824-4311824-4320989(Top 74%)12339(Top 77%)12339(Top 618%)
40K24.85 mi0.85 mi19048-16011872-4811872-4821934(Top 77%)12711(Top 79%)12711(Top 637%)
25.2M25.20 mi0.35 mi19069-2111868+411868+420082(Top 71%)11824(Top 73%)11824(Top 592%)
Finish26.22 mi1.02 mi19038+3111833+3511833+3518437(Top 65%)11086(Top 69%)11086(Top 555%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 45%
×21story building
+97ft-345ft

Overall

12795

Males

9435

M50-54

9435

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

11603

Males

8963

M50-54

8963

10K→15K

6.2 - 9.3 mi

Top 45%
×3story building
+67ft-78ft

Overall

12795

Males

9435

M50-54

9435

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

12286

Males

9100

M50-54

9100

20K→Half

12.4 - 13.1 mi

Top 44%
×2story building
+19ft-37ft

Overall

12547

Males

9277

M50-54

9277

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15524

Males

10449

M50-54

10449

25K→30K

15.5 - 18.6 mi

Top 78%
×9story building
+181ft-148ft

Overall

22030

Males

13179

M50-54

13179

30K→20M

18.6 - 20.0 mi

Top 83%
×5story building
+64ft-50ft

Overall

23678

Males

13835

M50-54

13835

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

24611

Males

14190

M50-54

14190

21M→35K

21.0 - 21.8 mi

Top 95%
×7story building
+17ft-86ft

Overall

26850

Males

15260

M50-54

15260

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

24304

Males

13994

M50-54

13994

23M→24M

23.0 - 24.0 mi

Top 74%
×6story building
+12ft-82ft

Overall

20989

Males

12339

M50-54

12339

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

21934

Males

12711

M50-54

12711

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20082

Males

11824

M50-54

11824

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2story building
+22ft-21ft

Overall

18437

Males

11086

M50-54

11086

Passing Analysis

Category:
Athletes Passed
593
Passed By
9095
Net Change
-8502
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10536
5K → 10K94627-533#10536#11069
10K → 15K64639-575#11069#11644
15K → 20K137285-148#11644#11792
20K → Half2760-33#11792#11825
Half → 25K53699-646#11825#12471
25K → 30K152693-2678#12471#15149
30K → 20M91090-1081#15149#16230
20M → 21M10914-904#16230#17134
21M → 35K6911-905#17134#18039
35K → 23M24716-692#18039#18731
23M → 24M27184-157#18731#18888
24M → 40K38198-160#18888#19048
40K → 25.2M2748-21#19048#19069
25.2M → Finish6231+31#19069#19038
TOTALS5939095-8502
📊

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