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BOSTON MARATHON 2025

Brendan Prindiville

Bib: 1972•M

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 12%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M45-49)
#0 / 2386
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:44
Rank: #2754
Start → 5K
19:44 | 6:21/mi
10K· 6.21 mi
39:32
Rank: #2798 (-44)
5K → 10K
19:48 | 6:22/mi
15K· 9.32 mi
59:22
Rank: #2794 (+4)
10K → 15K
19:50 | 6:23/mi
20K· 12.43 mi
1:19:09
Rank: #2659 (+135)
15K → 20K
19:47 | 6:22/mi
Half· 13.11 mi
1:23:26
Rank: #2639 (+20)
20K → Half
4:17 | 6:17/mi
25K· 15.53 mi
1:38:52
Rank: #2546 (+93)
Half → 25K
15:26 | 6:22/mi
30K· 18.64 mi
1:58:58
Rank: #2347 (+199)
25K → 30K
20:06 | 6:28/mi
20M
2:07:48
Rank: #2262 (+85)
30K → 20M
8:50 | 6:30/mi
21M
2:14:31
Rank: #2186 (+76)
20M → 21M
6:43 | 6:43/mi
35K· 21.75 mi
2:19:15
Rank: #2148 (+38)
21M → 35K
4:44 | 6:20/mi
23M
2:27:30
Rank: #2085 (+63)
35K → 23M
8:15 | 6:35/mi
24M
2:33:57
Rank: #2032 (+53)
23M → 24M
6:27 | 6:27/mi
40K· 24.85 mi
2:39:32
Rank: #1996 (+36)
24M → 40K
5:35 | 6:32/mi
25.2M
2:42:00
Rank: #1990 (+6)
40K → 25.2M
2:28 | 7:09/mi
Finish· 26.22 mi
2:48:42
Rank: #2013 (-23)
25.2M → Finish
6:42 | 6:34/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:26
Pace6:22 /mi
2nd Half
Distance13.11 mi
Time1:25:16
Pace6:30 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:20:2719:446:2119:44
6:21
-
10K
6.21 mi10:40:1539:326:2219:48
6:22
+0:01
15K
9.32 mi11:00:0559:226:2219:50
6:23
+0:01
20K
12.43 mi11:19:521:19:096:2219:47
6:22
-0:01
Half
13.11 mi11:24:091:23:266:224:17
6:17
-0:05
25K
15.53 mi11:39:351:38:526:2215:26
6:22
+0:05
30K
18.64 mi11:59:411:58:586:2320:06
6:28
+0:06
20M
20.00 mi12:08:312:07:486:238:50
6:30
+0:02
21M
21.00 mi12:15:142:14:316:246:43
6:43
+0:13
35K
21.75 mi12:19:582:19:156:244:44
6:20
-0:23
23M
23.00 mi12:28:132:27:306:258:15
6:35
+0:15
24M
24.00 mi12:34:402:33:576:256:27
6:27
-0:08
40K
24.85 mi12:40:152:39:326:255:35
6:32
+0:05
25.2M
25.20 mi12:42:432:42:006:262:28
7:09
+0:37
Finish
26.22 mi12:49:252:48:426:266:42
6:34
-0:35

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

6:17 /mi

Average Pace

6:26 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:14

99% of race

Time at Steady Pace

2:28

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:26 /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 mi10:20:2719:446:2119:44
6:21
#2754
10K
6.21 mi10:40:1539:326:2219:48
6:22
#2798
15K
9.32 mi11:00:0559:226:2219:50
6:23
#2794
20K
12.43 mi11:19:521:19:096:2219:47
6:22
#2659
Half
13.11 mi11:24:091:23:266:224:17
6:17
#2639
25K
15.53 mi11:39:351:38:526:2215:26
6:22
#2546
30K
18.64 mi11:59:411:58:586:2320:06
6:28
#2347
20M
20.00 mi12:08:312:07:486:238:50
6:30
#2262
21M
21.00 mi12:15:142:14:316:246:43
6:43
#2186
35K
21.75 mi12:19:582:19:156:244:44
6:20
#2148
23M
23.00 mi12:28:132:27:306:258:15
6:35
#2085
24M
24.00 mi12:34:402:33:576:256:27
6:27
#2032
40K
24.85 mi12:40:152:39:326:255:35
6:32
#1996
25.2M
25.20 mi12:42:432:42:006:262:28
7:09
#1990
Finish
26.22 mi12:49:252:48:426:266:42
6:34
#2013
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi2754262426242824(Top 10%)2689(Top 17%)2689(Top 113%)
10K6.21 mi3.10 mi2798-442665-412665-412856(Top 10%)2718(Top 17%)2718(Top 114%)
15K9.32 mi3.11 mi2794+42663+22663+22824(Top 10%)2689(Top 17%)2689(Top 113%)
20K12.43 mi3.11 mi2659+1352536+1272536+1272341(Top 8%)2231(Top 14%)2231(Top 94%)
Half13.11 mi0.68 mi2639+202518+182518+182348(Top 8%)2245(Top 14%)2245(Top 94%)
25K15.53 mi2.42 mi2546+932430+882430+882174(Top 8%)2069(Top 13%)2069(Top 87%)
30K18.64 mi3.11 mi2347+1992241+1892241+1891844(Top 6%)1754(Top 11%)1754(Top 74%)
20M20.00 mi1.36 mi2262+852158+832158+831625(Top 6%)1536(Top 10%)1536(Top 64%)
21M21.00 mi1.00 mi2186+762085+732085+731257(Top 4%)1187(Top 7%)1187(Top 50%)
35K21.75 mi0.75 mi2148+382047+382047+381706(Top 6%)1600(Top 10%)1600(Top 67%)
23M23.00 mi1.25 mi2085+631983+641983+641773(Top 6%)1659(Top 10%)1659(Top 70%)
24M24.00 mi1.00 mi2032+531929+541929+541839(Top 6%)1708(Top 11%)1708(Top 72%)
40K24.85 mi0.85 mi1996+361894+351894+351707(Top 6%)1577(Top 10%)1577(Top 66%)
25.2M25.20 mi0.35 mi1990+61888+61888+61924(Top 7%)1737(Top 11%)1737(Top 73%)
Finish26.22 mi1.02 mi2013-231908-201908-203166(Top 11%)2798(Top 17%)2798(Top 117%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2824

Males

2689

M45-49

2689

5K→10K

3.1 - 6.2 mi

Top 10%
×5stories
+79ft-138ft

Overall

2856

Males

2718

M45-49

2718

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2824

Males

2689

M45-49

2689

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2341

Males

2231

M45-49

2231

20K→Half

12.4 - 13.1 mi

Top 8%
×2stories
+19ft-37ft

Overall

2348

Males

2245

M45-49

2245

Half→25K

13.1 - 15.5 mi

Top 8%
×4stories
+66ft-88ft

Overall

2174

Males

2069

M45-49

2069

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1844

Males

1754

M45-49

1754

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1625

Males

1536

M45-49

1536

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1257

Males

1187

M45-49

1187

21M→35K

21.0 - 21.8 mi

Top 6%
×7stories
+17ft-86ft

Overall

1706

Males

1600

M45-49

1600

35K→23M

21.8 - 23.0 mi

Top 6%
×5stories
+23ft-63ft

Overall

1773

Males

1659

M45-49

1659

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1839

Males

1708

M45-49

1708

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1707

Males

1577

M45-49

1577

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1924

Males

1737

M45-49

1737

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2stories
+22ft-21ft

Overall

3166

Males

2798

M45-49

2798

Passing Analysis

Category:
Athletes Passed
1126
Passed By
385
Net Change
+741
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#2754
5K → 10K105149-44#2754#2798
10K → 15K7470+4#2798#2794
15K → 20K15419+135#2794#2659
20K → Half288+20#2659#2639
Half → 25K11219+93#2639#2546
25K → 30K21213+199#2546#2347
30K → 20M894+85#2347#2262
20M → 21M848+76#2262#2186
21M → 35K446+38#2186#2148
35K → 23M729+63#2148#2085
23M → 24M6815+53#2085#2032
24M → 40K4711+36#2032#1996
40K → 25.2M137+6#1996#1990
25.2M → Finish2447-23#1990#2013
TOTALS1126385+741
📊

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