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BOSTON MARATHON 2025

Brendan Dunne

Bib: 31095•M

NY

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

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:30
Rank: #20049
Start → 5K
26:30 | 8:32/mi
10K· 6.21 mi
50:36
Rank: #17587 (+2462)
5K → 10K
24:06 | 7:45/mi
15K· 9.32 mi
1:13:56
Rank: #15773 (+1814)
10K → 15K
23:20 | 7:31/mi
20K· 12.43 mi
1:38:09
Rank: #15080 (+693)
15K → 20K
24:13 | 7:48/mi
Half· 13.11 mi
1:43:22
Rank: #14961 (+119)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:02:45
Rank: #14729 (+232)
Half → 25K
19:23 | 8:00/mi
30K· 18.64 mi
2:28:38
Rank: #14474 (+255)
25K → 30K
25:53 | 8:20/mi
20M
2:40:35
Rank: #14572 (-98)
30K → 20M
11:57 | 8:48/mi
21M
2:49:54
Rank: #14605 (-33)
20M → 21M
9:19 | 9:19/mi
35K· 21.75 mi
2:56:28
Rank: #14678 (-73)
21M → 35K
6:34 | 8:47/mi
23M
3:08:38
Rank: #15030 (-352)
35K → 23M
12:10 | 9:43/mi
24M
3:18:37
Rank: #15439 (-409)
23M → 24M
9:59 | 9:59/mi
40K· 24.85 mi
3:27:24
Rank: #15703 (-264)
24M → 40K
8:47 | 10:16/mi
25.2M
3:31:12
Rank: #15821 (-118)
40K → 25.2M
3:48 | 11:01/mi
Finish· 26.22 mi
3:40:09
Rank: #15904 (-83)
25.2M → Finish
8:57 | 8:47/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:56:47
Pace8:55 /mi
📊Positive Split: 13.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2626:308:3226:30
8:32
-
10K
6.21 mi12:16:3250:368:0924:06
7:45
-0:47
15K
9.32 mi12:39:521:13:567:5623:20
7:31
-0:14
20K
12.43 mi13:04:051:38:097:5424:13
7:48
+0:17
Half
13.11 mi13:09:181:43:227:535:13
7:39
-0:09
25K
15.53 mi13:28:412:02:457:5419:23
8:00
+0:21
30K
18.64 mi13:54:342:28:387:5825:53
8:20
+0:20
20M
20.00 mi14:06:312:40:358:0211:57
8:48
+0:28
21M
21.00 mi14:15:502:49:548:059:19
9:19
+0:31
35K
21.75 mi14:22:242:56:288:076:34
8:47
-0:32
23M
23.00 mi14:34:343:08:388:1212:10
9:43
+0:56
24M
24.00 mi14:44:333:18:378:179:59
9:59
+0:16
40K
24.85 mi14:53:203:27:248:218:47
10:16
+0:17
25.2M
25.20 mi14:57:083:31:128:233:48
11:01
+0:45
Finish
26.22 mi15:06:053:40:098:248:57
8:47
-2:14

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

7:31 /mi

Average Pace

8:24 /mi

Slowest Pace

11:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:15

44% of race

Time at Steady Pace

1:19:51

36% of race

Time at Slower Pace

44:03

20% of race

Average Pace: 8:24 /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 mi11:52:2626:308:3226:30
8:32
#20049
10K
6.21 mi12:16:3250:368:0924:06
7:45
#17587
15K
9.32 mi12:39:521:13:567:5623:20
7:31
#15773
20K
12.43 mi13:04:051:38:097:5424:13
7:48
#15080
Half
13.11 mi13:09:181:43:227:535:13
7:39
#14961
25K
15.53 mi13:28:412:02:457:5419:23
8:00
#14729
30K
18.64 mi13:54:342:28:387:5825:53
8:20
#14474
20M
20.00 mi14:06:312:40:358:0211:57
8:48
#14572
21M
21.00 mi14:15:502:49:548:059:19
9:19
#14605
35K
21.75 mi14:22:242:56:288:076:34
8:47
#14678
23M
23.00 mi14:34:343:08:388:1212:10
9:43
#15030
24M
24.00 mi14:44:333:18:378:179:59
9:59
#15439
40K
24.85 mi14:53:203:27:248:218:47
10:16
#15703
25.2M
25.20 mi14:57:083:31:128:233:48
11:01
#15821
Finish
26.22 mi15:06:053:40:098:248:57
8:47
#15904
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi20049124611246111844(Top 42%)8996(Top 56%)8996(Top 159%)
10K6.21 mi3.10 mi17587+246211444+101711444+101714394(Top 51%)10169(Top 63%)10169(Top 180%)
15K9.32 mi3.11 mi15773+181410727+71710727+71711844(Top 42%)8996(Top 56%)8996(Top 159%)
20K12.43 mi3.11 mi15080+69310408+31910408+31913224(Top 47%)9521(Top 59%)9521(Top 169%)
Half13.11 mi0.68 mi14961+11910348+6010348+6012951(Top 46%)9458(Top 59%)9458(Top 168%)
25K15.53 mi2.42 mi14729+23210222+12610222+12613839(Top 49%)9677(Top 60%)9677(Top 172%)
30K18.64 mi3.11 mi14474+25510058+16410058+16413691(Top 48%)9463(Top 59%)9463(Top 168%)
20M20.00 mi1.36 mi14572-9810076-1810076-1815609(Top 55%)10201(Top 63%)10201(Top 181%)
21M21.00 mi1.00 mi14605-3310062+1410062+1415219(Top 54%)9879(Top 61%)9879(Top 175%)
35K21.75 mi0.75 mi14678-7310084-2210084-2217097(Top 60%)10645(Top 66%)10645(Top 189%)
23M23.00 mi1.25 mi15030-35210206-12210206-12219496(Top 69%)11660(Top 72%)11660(Top 207%)
24M24.00 mi1.00 mi15439-40910337-13110337-13121304(Top 75%)12491(Top 78%)12491(Top 221%)
40K24.85 mi0.85 mi15703-26410430-9310430-9321282(Top 75%)12415(Top 77%)12415(Top 220%)
25.2M25.20 mi0.35 mi15821-11810464-3410464-3420643(Top 73%)12090(Top 75%)12090(Top 214%)
Finish26.22 mi1.02 mi15904-8310479-1510479-1517932(Top 63%)10843(Top 67%)10843(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11844

Males

8996

M18-39

8996

5K→10K

3.1 - 6.2 mi

Top 51%
×5stories
+79ft-138ft

Overall

14394

Males

10169

M18-39

10169

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11844

Males

8996

M18-39

8996

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

13224

Males

9521

M18-39

9521

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

12951

Males

9458

M18-39

9458

Half→25K

13.1 - 15.5 mi

Top 49%
×4stories
+66ft-88ft

Overall

13839

Males

9677

M18-39

9677

25K→30K

15.5 - 18.6 mi

Top 48%
×9stories
+181ft-148ft

Overall

13691

Males

9463

M18-39

9463

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

15609

Males

10201

M18-39

10201

20M→21M

20.0 - 21.0 mi

Top 54%
×8stories
+106ft-24ft

Overall

15219

Males

9879

M18-39

9879

21M→35K

21.0 - 21.8 mi

Top 60%
×7stories
+17ft-86ft

Overall

17097

Males

10645

M18-39

10645

35K→23M

21.8 - 23.0 mi

Top 69%
×5stories
+23ft-63ft

Overall

19496

Males

11660

M18-39

11660

23M→24M

23.0 - 24.0 mi

Top 75%
×6stories
+12ft-82ft

Overall

21304

Males

12491

M18-39

12491

24M→40K

24.0 - 24.9 mi

Top 75%
×1story
+6ft-20ft

Overall

21282

Males

12415

M18-39

12415

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

20643

Males

12090

M18-39

12090

25.2M→Finish

25.2 - 26.2 mi

Top 63%
×2stories
+22ft-21ft

Overall

17932

Males

10843

M18-39

10843

Passing Analysis

Category:
Athletes Passed
6142
Passed By
1997
Net Change
+4145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20049
5K → 10K24642+2462#20049#17587
10K → 15K18140+1814#17587#15773
15K → 20K7018+693#15773#15080
20K → Half1256+119#15080#14961
Half → 25K29260+232#14961#14729
25K → 30K363108+255#14729#14474
30K → 20M106204-98#14474#14572
20M → 21M92125-33#14572#14605
21M → 35K52125-73#14605#14678
35K → 23M43395-352#14678#15030
23M → 24M12421-409#15030#15439
24M → 40K22286-264#15439#15703
40K → 25.2M11129-118#15703#15821
25.2M → Finish45128-83#15821#15904
TOTALS61421997+4145
📊

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