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BOSTON MARATHON 2025

Brett Lowden

Bib: 4829•M

OH

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0:00
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 14%
Division (M18-39)
#0 / 5642
Top 33%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2772
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
39:25
Rank: #2696 (+76)
5K → 10K
19:41 | 6:20/mi
15K· 9.32 mi
58:47
Rank: #2437 (+259)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:18:36
Rank: #2396 (+41)
15K → 20K
19:49 | 6:23/mi
Half· 13.11 mi
1:22:55
Rank: #2413 (-17)
20K → Half
4:19 | 6:20/mi
25K· 15.53 mi
1:38:28
Rank: #2396 (+17)
Half → 25K
15:33 | 6:25/mi
30K· 18.64 mi
1:59:11
Rank: #2414 (-18)
25K → 30K
20:43 | 6:40/mi
20M
2:08:27
Rank: #2432 (-18)
30K → 20M
9:16 | 6:49/mi
21M
2:15:49
Rank: #2479 (-47)
20M → 21M
7:22 | 7:22/mi
35K· 21.75 mi
2:20:48
Rank: #2492 (-13)
21M → 35K
4:59 | 6:40/mi
23M
2:29:32
Rank: #2525 (-33)
35K → 23M
8:44 | 6:59/mi
24M
2:36:17
Rank: #2530 (-5)
23M → 24M
6:45 | 6:45/mi
40K· 24.85 mi
2:42:00
Rank: #2495 (+35)
24M → 40K
5:43 | 6:41/mi
25.2M
2:44:27
Rank: #2479 (+16)
40K → 25.2M
2:27 | 7:06/mi
Finish· 26.22 mi
2:50:48
Rank: #2402 (+77)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:22:55
Pace6:19 /mi
2nd Half
Distance13.11 mi
Time1:27:53
Pace6:42 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:2719:446:2119:44
6:21
-
10K
6.21 mi10:43:0839:256:2119:41
6:20
-0:01
15K
9.32 mi11:02:3058:476:1819:22
6:14
-0:06
20K
12.43 mi11:22:191:18:366:1919:49
6:23
+0:09
Half
13.11 mi11:26:381:22:556:194:19
6:20
-0:03
25K
15.53 mi11:42:111:38:286:2015:33
6:25
+0:05
30K
18.64 mi12:02:541:59:116:2420:43
6:40
+0:15
20M
20.00 mi12:12:102:08:276:259:16
6:49
+0:09
21M
21.00 mi12:19:322:15:496:287:22
7:22
+0:33
35K
21.75 mi12:24:312:20:486:284:59
6:40
-0:42
23M
23.00 mi12:33:152:29:326:308:44
6:59
+0:19
24M
24.00 mi12:40:002:36:176:316:45
6:45
-0:14
40K
24.85 mi12:45:432:42:006:315:43
6:41
-0:04
25.2M
25.20 mi12:48:102:44:276:322:27
7:06
+0:25
Finish
26.22 mi12:54:312:50:486:316:21
6:14
-0:52

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

6:14 /mi

Average Pace

6:31 /mi

Slowest Pace

7:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:15

89% of race

Time at Steady Pace

11:11

7% of race

Time at Slower Pace

7:22

4% of race

Average Pace: 6:31 /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 mi10:23:2719:446:2119:44
6:21
#2772
10K
6.21 mi10:43:0839:256:2119:41
6:20
#2696
15K
9.32 mi11:02:3058:476:1819:22
6:14
#2437
20K
12.43 mi11:22:191:18:366:1919:49
6:23
#2396
Half
13.11 mi11:26:381:22:556:194:19
6:20
#2413
25K
15.53 mi11:42:111:38:286:2015:33
6:25
#2396
30K
18.64 mi12:02:541:59:116:2420:43
6:40
#2414
20M
20.00 mi12:12:102:08:276:259:16
6:49
#2432
21M
21.00 mi12:19:322:15:496:287:22
7:22
#2479
35K
21.75 mi12:24:312:20:486:284:59
6:40
#2492
23M
23.00 mi12:33:152:29:326:308:44
6:59
#2525
24M
24.00 mi12:40:002:36:176:316:45
6:45
#2530
40K
24.85 mi12:45:432:42:006:315:43
6:41
#2495
25.2M
25.20 mi12:48:102:44:276:322:27
7:06
#2479
Finish
26.22 mi12:54:312:50:486:316:21
6:14
#2402
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi2772264226422013(Top 7%)1917(Top 12%)1917(Top 34%)
10K6.21 mi3.10 mi2696+762567+752567+752656(Top 9%)2533(Top 16%)2533(Top 45%)
15K9.32 mi3.11 mi2437+2592327+2402327+2402013(Top 7%)1917(Top 12%)1917(Top 34%)
20K12.43 mi3.11 mi2396+412286+412286+412415(Top 9%)2304(Top 14%)2304(Top 41%)
Half13.11 mi0.68 mi2413-172303-172303-172687(Top 9%)2570(Top 16%)2570(Top 46%)
25K15.53 mi2.42 mi2396+172286+172286+172451(Top 9%)2331(Top 14%)2331(Top 41%)
30K18.64 mi3.11 mi2414-182303-172303-172726(Top 10%)2580(Top 16%)2580(Top 46%)
20M20.00 mi1.36 mi2432-182320-172320-173046(Top 11%)2836(Top 18%)2836(Top 50%)
21M21.00 mi1.00 mi2479-472365-452365-453950(Top 14%)3585(Top 22%)3585(Top 64%)
35K21.75 mi0.75 mi2492-132375-102375-103297(Top 12%)3013(Top 19%)3013(Top 53%)
23M23.00 mi1.25 mi2525-332403-282403-283618(Top 13%)3274(Top 20%)3274(Top 58%)
24M24.00 mi1.00 mi2530-52404-12404-13235(Top 11%)2915(Top 18%)2915(Top 52%)
40K24.85 mi0.85 mi2495+352367+372367+372321(Top 8%)2126(Top 13%)2126(Top 38%)
25.2M25.20 mi0.35 mi2479+162351+162351+161832(Top 6%)1671(Top 10%)1671(Top 30%)
Finish26.22 mi1.02 mi2402+772277+742277+741640(Top 6%)1524(Top 9%)1524(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2013

Males

1917

M18-39

1917

5K→10K

3.1 - 6.2 mi

Top 9%
×5stories
+79ft-138ft

Overall

2656

Males

2533

M18-39

2533

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2013

Males

1917

M18-39

1917

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2415

Males

2304

M18-39

2304

20K→Half

12.4 - 13.1 mi

Top 9%
×2stories
+19ft-37ft

Overall

2687

Males

2570

M18-39

2570

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2451

Males

2331

M18-39

2331

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2726

Males

2580

M18-39

2580

30K→20M

18.6 - 20.0 mi

Top 11%
×5stories
+64ft-50ft

Overall

3046

Males

2836

M18-39

2836

20M→21M

20.0 - 21.0 mi

Top 14%
×8stories
+106ft-24ft

Overall

3950

Males

3585

M18-39

3585

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3297

Males

3013

M18-39

3013

35K→23M

21.8 - 23.0 mi

Top 13%
×5stories
+23ft-63ft

Overall

3618

Males

3274

M18-39

3274

23M→24M

23.0 - 24.0 mi

Top 11%
×6stories
+12ft-82ft

Overall

3235

Males

2915

M18-39

2915

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

2321

Males

2126

M18-39

2126

40K→25.2M

24.9 - 25.2 mi

Top 6%
×1story
+13ft-16ft

Overall

1832

Males

1671

M18-39

1671

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1640

Males

1524

M18-39

1524

Passing Analysis

Category:
Athletes Passed
1005
Passed By
635
Net Change
+370
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2772
5K → 10K16589+76#2772#2696
10K → 15K2689+259#2696#2437
15K → 20K9251+41#2437#2396
20K → Half421-17#2396#2413
Half → 25K6245+17#2413#2396
25K → 30K84102-18#2396#2414
30K → 20M3452-18#2414#2432
20M → 21M3077-47#2432#2479
21M → 35K3043-13#2479#2492
35K → 23M4073-33#2492#2525
23M → 24M4651-5#2525#2530
24M → 40K5015+35#2530#2495
40K → 25.2M204+16#2495#2479
25.2M → Finish803+77#2479#2402
TOTALS1005635+370
📊

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