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BOSTON MARATHON 2025

Brian Lowry

Bib: 20382•M

MA

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

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
7:51/mi
24:24
↑ 97↓ 3451.5%
10K· 6.21 mi
8:01/mi
49:17
↑ 79↓ 1380.4%
15K· 9.32 mi
8:00/mi
1:14:08
↑ 67↓ 78
20K· 12.43 mi
8:11/mi
1:39:35
↑ 106↓ 860.1%
Half· 13.11 mi
8:05/mi
1:45:06
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:05:25
↑ 66↓ 880.2%
30K· 18.64 mi
8:47/mi
2:32:43
↑ 181↓ 1480.2%
20M
8:56/mi
2:44:52
↑ 64↓ 500.2%
21M
9:28/mi
2:54:20
↑ 106↓ 241.6%
35K· 21.75 mi
8:36/mi
3:00:46
↑ 17↓ 861.7%
23M
9:16/mi
3:12:22
↑ 23↓ 630.6%
24M
8:47/mi
3:21:09
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:28:53
↓ 200.3%
25.2M
9:28/mi
3:32:09
↑ 13↓ 160.2%
Finish· 26.22 mi
8:24/mi
3:40:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:45:06
Pace8:01 /mi
2nd Half
Distance13.11 mi
Time1:55:37
Pace8:49 /mi
📊Positive Split: 10.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3924:247:5124:24
7:51
-
10K
6.21 mi11:44:3249:177:5624:53
8:01
+0:10
15K
9.32 mi12:09:231:14:087:5724:51
8:00
-0:01
20K
12.43 mi12:34:501:39:358:0125:27
8:11
+0:11
Half
13.11 mi12:40:211:45:068:015:31
8:05
-0:06
25K
15.53 mi13:00:402:05:258:0420:19
8:23
+0:18
30K
18.64 mi13:27:582:32:438:1227:18
8:47
+0:24
20M
20.00 mi13:40:072:44:528:1512:09
8:56
+0:09
21M
21.00 mi13:49:352:54:208:189:28
9:28
+0:32
35K
21.75 mi13:56:013:00:468:196:26
8:36
-0:52
23M
23.00 mi14:07:373:12:228:2211:36
9:16
+0:40
24M
24.00 mi14:16:243:21:098:238:47
8:47
-0:29
40K
24.85 mi14:24:083:28:538:247:44
9:03
+0:16
25.2M
25.20 mi14:27:243:32:098:253:16
9:28
+0:25
Finish
26.22 mi14:35:583:40:438:258:34
8:24
-1:04

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

7:51 /mi

Average Pace

8:25 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:45:06

48% of race

Time at Steady Pace

1:11:24

32% of race

Time at Slower Pace

44:13

20% of race

Average Pace: 8:25 /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 mi11:19:3924:247:5124:24
7:51
#15277
10K
6.21 mi11:44:3249:177:5624:53
8:01
#15950
15K
9.32 mi12:09:231:14:087:5724:51
8:00
#15946
20K
12.43 mi12:34:501:39:358:0125:27
8:11
#16031
Half
13.11 mi12:40:211:45:068:015:31
8:05
#16068
25K
15.53 mi13:00:402:05:258:0420:19
8:23
#16120
30K
18.64 mi13:27:582:32:438:1227:18
8:47
#16165
20M
20.00 mi13:40:072:44:528:1512:09
8:56
#16157
21M
21.00 mi13:49:352:54:208:189:28
9:28
#16088
35K
21.75 mi13:56:013:00:468:196:26
8:36
#16058
23M
23.00 mi14:07:373:12:228:2211:36
9:16
#16097
24M
24.00 mi14:16:243:21:098:238:47
8:47
#16088
40K
24.85 mi14:24:083:28:538:247:44
9:03
#16096
25.2M
25.20 mi14:27:243:32:098:253:16
9:28
#16062
Finish
26.22 mi14:35:583:40:438:258:34
8:24
#16039
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi15277105331053316037(Top 56%)10826(Top 67%)10826(Top 657%)
10K6.21 mi3.10 mi15950-67310798-26510798-26516545(Top 58%)11048(Top 69%)11048(Top 670%)
15K9.32 mi3.11 mi15946+410790+810790+816037(Top 56%)10826(Top 67%)10826(Top 657%)
20K12.43 mi3.11 mi16031-8510813-2310813-2316247(Top 57%)10846(Top 67%)10846(Top 658%)
Half13.11 mi0.68 mi16068-3710828-1510828-1516491(Top 58%)10970(Top 68%)10970(Top 666%)
25K15.53 mi2.42 mi16120-5210845-1710845-1716417(Top 58%)10829(Top 67%)10829(Top 657%)
30K18.64 mi3.11 mi16165-4510798+4710798+4716505(Top 58%)10715(Top 67%)10715(Top 650%)
20M20.00 mi1.36 mi16157+810750+4810750+4816459(Top 58%)10561(Top 66%)10561(Top 641%)
21M21.00 mi1.00 mi16088+6910694+5610694+5615913(Top 56%)10208(Top 63%)10208(Top 619%)
35K21.75 mi0.75 mi16058+3010658+3610658+3616034(Top 56%)10186(Top 63%)10186(Top 618%)
23M23.00 mi1.25 mi16097-3910641+1710641+1717610(Top 62%)10769(Top 67%)10769(Top 653%)
24M24.00 mi1.00 mi16088+910617+2410617+2416203(Top 57%)10118(Top 63%)10118(Top 614%)
40K24.85 mi0.85 mi16096-810594+2310594+2316548(Top 58%)10169(Top 63%)10169(Top 617%)
25.2M25.20 mi0.35 mi16062+3410568+2610568+2614410(Top 51%)9139(Top 57%)9139(Top 555%)
Finish26.22 mi1.02 mi16039+2310544+2410544+2415600(Top 55%)9754(Top 61%)9754(Top 592%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 56%
×21story building
+97ft-345ft

Overall

16037

Males

10826

M55-59

10826

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16545

Males

11048

M55-59

11048

10K→15K

6.2 - 9.3 mi

Top 56%
×3story building
+67ft-78ft

Overall

16037

Males

10826

M55-59

10826

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

16247

Males

10846

M55-59

10846

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

16491

Males

10970

M55-59

10970

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

16417

Males

10829

M55-59

10829

25K→30K

15.5 - 18.6 mi

Top 58%
×9story building
+181ft-148ft

Overall

16505

Males

10715

M55-59

10715

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

16459

Males

10561

M55-59

10561

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15913

Males

10208

M55-59

10208

21M→35K

21.0 - 21.8 mi

Top 56%
×7story building
+17ft-86ft

Overall

16034

Males

10186

M55-59

10186

35K→23M

21.8 - 23.0 mi

Top 62%
×5story building
+23ft-63ft

Overall

17610

Males

10769

M55-59

10769

23M→24M

23.0 - 24.0 mi

Top 57%
×6story building
+12ft-82ft

Overall

16203

Males

10118

M55-59

10118

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16548

Males

10169

M55-59

10169

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

14410

Males

9139

M55-59

9139

25.2M→Finish

25.2 - 26.2 mi

Top 55%
×2story building
+22ft-21ft

Overall

15600

Males

9754

M55-59

9754

Passing Analysis

Category:
Athletes Passed
1571
Passed By
2333
Net Change
-762
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15277
5K → 10K112785-673#15277#15950
10K → 15K201197+4#15950#15946
15K → 20K174259-85#15946#16031
20K → Half2461-37#16031#16068
Half → 25K152204-52#16068#16120
25K → 30K209254-45#16120#16165
30K → 20M125117+8#16165#16157
20M → 21M12960+69#16157#16088
21M → 35K8252+30#16088#16058
35K → 23M99138-39#16058#16097
23M → 24M7364+9#16097#16088
24M → 40K6068-8#16088#16096
40K → 25.2M5521+34#16096#16062
25.2M → Finish7653+23#16062#16039
TOTALS15712333-762
📊

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