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BOSTON MARATHON 2025

Darren Black

Bib: 14089•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 32%
Gender (Male)
#0 / 16105
Top 45%
Masters (Masters Men)
#0 / 10463
Top 34%
Division (M50-54)
#0 / 1996
Top 33%
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
7:30/mi
23:19
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:45
↑ 79↓ 1380.4%
15K· 9.32 mi
7:28/mi
1:09:58
↑ 67↓ 78
20K· 12.43 mi
7:29/mi
1:33:14
↑ 106↓ 860.1%
Half· 13.11 mi
7:26/mi
1:38:18
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:56:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:31/mi
2:19:45
↑ 181↓ 1480.2%
20M
7:35/mi
2:30:03
↑ 64↓ 500.2%
21M
7:47/mi
2:37:50
↑ 106↓ 241.6%
35K· 21.75 mi
7:28/mi
2:43:25
↑ 17↓ 861.7%
23M
7:34/mi
2:52:54
↑ 23↓ 630.6%
24M
7:27/mi
3:00:21
↓ 821.3%
40K· 24.85 mi
7:29/mi
3:06:45
↓ 200.3%
25.2M
8:07/mi
3:09:33
↑ 13↓ 160.2%
Finish· 26.22 mi
7:14/mi
3:16:55
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:38:18
Pace7:30 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:38:37
Pace7:31 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:2123:197:3023:19
7:30
-
10K
6.21 mi11:16:4746:457:3123:26
7:33
+0:03
15K
9.32 mi11:40:001:09:587:3023:13
7:28
-0:05
20K
12.43 mi12:03:161:33:147:3023:16
7:29
+0:01
Half
13.11 mi12:08:201:38:187:305:04
7:26
-0:03
25K
15.53 mi12:26:251:56:237:3018:05
7:27
+0:01
30K
18.64 mi12:49:472:19:457:3023:22
7:31
+0:04
20M
20.00 mi13:00:052:30:037:3010:18
7:35
+0:04
21M
21.00 mi13:07:522:37:507:317:47
7:47
+0:12
35K
21.75 mi13:13:272:43:257:315:35
7:28
-0:19
23M
23.00 mi13:22:562:52:547:319:29
7:34
+0:06
24M
24.00 mi13:30:233:00:217:317:27
7:27
-0:07
40K
24.85 mi13:36:473:06:457:316:24
7:29
+0:02
25.2M
25.20 mi13:39:353:09:337:312:48
8:07
+0:38
Finish
26.22 mi13:46:573:16:557:317:22
7:14
-0:53

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

7:14 /mi

Average Pace

7:31 /mi

Slowest Pace

8:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:14:07

99% of race

Time at Steady Pace

2:48

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:31 /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 mi10:53:2123:197:3023:19
7:30
#12280
10K
6.21 mi11:16:4746:457:3123:26
7:33
#12332
15K
9.32 mi11:40:001:09:587:3023:13
7:28
#12032
20K
12.43 mi12:03:161:33:147:3023:16
7:29
#11642
Half
13.11 mi12:08:201:38:187:305:04
7:26
#11616
25K
15.53 mi12:26:251:56:237:3018:05
7:27
#11261
30K
18.64 mi12:49:472:19:457:3023:22
7:31
#10554
20M
20.00 mi13:00:052:30:037:3010:18
7:35
#10268
21M
21.00 mi13:07:522:37:507:317:47
7:47
#9942
35K
21.75 mi13:13:272:43:257:315:35
7:28
#9859
23M
23.00 mi13:22:562:52:547:319:29
7:34
#9645
24M
24.00 mi13:30:233:00:217:317:27
7:27
#9492
40K
24.85 mi13:36:473:06:457:316:24
7:29
#9355
25.2M
25.20 mi13:39:353:09:337:312:48
8:07
#9279
Finish
26.22 mi13:46:573:16:557:317:22
7:14
#9179
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi122809293929311514(Top 41%)8835(Top 55%)8835(Top 443%)
10K6.21 mi3.10 mi12332-529317-249317-2412470(Top 44%)9355(Top 58%)9355(Top 469%)
15K9.32 mi3.11 mi12032+3009139+1789139+17811514(Top 41%)8835(Top 55%)8835(Top 443%)
20K12.43 mi3.11 mi11642+3908924+2158924+21510646(Top 37%)8327(Top 52%)8327(Top 417%)
Half13.11 mi0.68 mi11616+268914+108914+1011023(Top 39%)8539(Top 53%)8539(Top 428%)
25K15.53 mi2.42 mi11261+3558710+2048710+2049593(Top 34%)7644(Top 47%)7644(Top 383%)
30K18.64 mi3.11 mi10554+7078291+4198291+4197896(Top 28%)6523(Top 41%)6523(Top 327%)
20M20.00 mi1.36 mi10268+2868113+1788113+1787539(Top 27%)6168(Top 38%)6168(Top 309%)
21M21.00 mi1.00 mi9942+3267918+1957918+1956112(Top 22%)5138(Top 32%)5138(Top 257%)
35K21.75 mi0.75 mi9859+837844+747844+748351(Top 29%)6515(Top 40%)6515(Top 326%)
23M23.00 mi1.25 mi9645+2147697+1477697+1477079(Top 25%)5632(Top 35%)5632(Top 282%)
24M24.00 mi1.00 mi9492+1537573+1247573+1247350(Top 26%)5737(Top 36%)5737(Top 287%)
40K24.85 mi0.85 mi9355+1377466+1077466+1076731(Top 24%)5288(Top 33%)5288(Top 265%)
25.2M25.20 mi0.35 mi9279+767400+667400+666605(Top 23%)5134(Top 32%)5134(Top 257%)
Finish26.22 mi1.02 mi9179+1007309+917309+917219(Top 25%)5466(Top 34%)5466(Top 274%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 41%
×21story building
+97ft-345ft

Overall

11514

Males

8835

M50-54

8835

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

12470

Males

9355

M50-54

9355

10K→15K

6.2 - 9.3 mi

Top 41%
×3story building
+67ft-78ft

Overall

11514

Males

8835

M50-54

8835

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

10646

Males

8327

M50-54

8327

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

11023

Males

8539

M50-54

8539

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9593

Males

7644

M50-54

7644

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7896

Males

6523

M50-54

6523

30K→20M

18.6 - 20.0 mi

Top 27%
×5story building
+64ft-50ft

Overall

7539

Males

6168

M50-54

6168

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6112

Males

5138

M50-54

5138

21M→35K

21.0 - 21.8 mi

Top 29%
×7story building
+17ft-86ft

Overall

8351

Males

6515

M50-54

6515

35K→23M

21.8 - 23.0 mi

Top 25%
×5story building
+23ft-63ft

Overall

7079

Males

5632

M50-54

5632

23M→24M

23.0 - 24.0 mi

Top 26%
×6story building
+12ft-82ft

Overall

7350

Males

5737

M50-54

5737

24M→40K

24.0 - 24.9 mi

Top 24%
×1story
+6ft-20ft

Overall

6731

Males

5288

M50-54

5288

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6605

Males

5134

M50-54

5134

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7219

Males

5466

M50-54

5466

Passing Analysis

Category:
Athletes Passed
3645*
Passed By
544
Net Change
+3101
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12280
5K → 10K232284-52#12280#12332
10K → 15K36767+300#12332#12032
15K → 20K42232+390#12032#11642
20K → Half5125+26#11642#11616
Half → 25K37116+355#11616#11261
25K → 30K7114+707#11261#10554
30K → 20M2948+286#10554#10268
20M → 21M331*5+326#10268#9942
21M → 35K10623+83#9942#9859
35K → 23M22713+214#9859#9645
23M → 24M17421+153#9645#9492
24M → 40K14710+137#9492#9355
40K → 25.2M848+76#9355#9279
25.2M → Finish12828+100#9279#9179
TOTALS3645*544+3101

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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