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BOSTON MARATHON 2025

Nicholas Brunner

Bib: 5181•M

KY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 35%
Gender (Male)
#0 / 16105
Top 48%
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
22:02
Rank: #8553
Start → 5K
22:02 | 7:06/mi
10K· 6.21 mi
44:09
Rank: #8677 (-124)
5K → 10K
22:07 | 7:07/mi
15K· 9.32 mi
1:06:20
Rank: #8632 (+45)
10K → 15K
22:11 | 7:08/mi
20K· 12.43 mi
1:29:56
Rank: #9310 (-678)
15K → 20K
23:36 | 7:36/mi
Half· 13.11 mi
1:34:59
Rank: #9372 (-62)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
1:53:28
Rank: #9610 (-238)
Half → 25K
18:29 | 7:37/mi
30K· 18.64 mi
2:18:24
Rank: #9914 (-304)
25K → 30K
24:56 | 8:02/mi
20M
2:29:28
Rank: #9985 (-71)
30K → 20M
11:04 | 8:09/mi
21M
2:37:49
Rank: #9935 (+50)
20M → 21M
8:21 | 8:21/mi
35K· 21.75 mi
2:43:50
Rank: #10027 (-92)
21M → 35K
6:01 | 8:03/mi
23M
2:53:59
Rank: #10045 (-18)
35K → 23M
10:09 | 8:06/mi
24M
3:01:54
Rank: #10049 (-4)
23M → 24M
7:55 | 7:55/mi
40K· 24.85 mi
3:08:53
Rank: #10072 (-23)
24M → 40K
6:59 | 8:10/mi
25.2M
3:11:51
Rank: #10052 (+20)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:19:12
Rank: #9891 (+161)
25.2M → Finish
7:21 | 7:13/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:59
Pace7:15 /mi
2nd Half
Distance13.11 mi
Time1:44:13
Pace7:57 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:4622:027:0622:02
7:06
-
10K
6.21 mi10:52:5344:097:0622:07
7:07
+0:01
15K
9.32 mi11:15:041:06:207:0722:11
7:08
+0:01
20K
12.43 mi11:38:401:29:567:1423:36
7:36
+0:28
Half
13.11 mi11:43:431:34:597:155:03
7:24
-0:12
25K
15.53 mi12:02:121:53:287:1818:29
7:37
+0:13
30K
18.64 mi12:27:082:18:247:2524:56
8:02
+0:25
20M
20.00 mi12:38:122:29:287:2811:04
8:09
+0:07
21M
21.00 mi12:46:332:37:497:318:21
8:21
+0:12
35K
21.75 mi12:52:342:43:507:326:01
8:03
-0:18
23M
23.00 mi13:02:432:53:597:3410:09
8:06
+0:03
24M
24.00 mi13:10:383:01:547:357:55
7:55
-0:11
40K
24.85 mi13:17:373:08:537:366:59
8:10
+0:15
25.2M
25.20 mi13:20:353:11:517:372:58
8:36
+0:26
Finish
26.22 mi13:27:563:19:127:367:21
7:13
-1:23

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

7:06 /mi

Average Pace

7:36 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:00:49

61% of race

Time at Steady Pace

1:00:05

30% of race

Time at Slower Pace

18:18

9% of race

Average Pace: 7:36 /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 mi10:30:4622:027:0622:02
7:06
#8553
10K
6.21 mi10:52:5344:097:0622:07
7:07
#8677
15K
9.32 mi11:15:041:06:207:0722:11
7:08
#8632
20K
12.43 mi11:38:401:29:567:1423:36
7:36
#9310
Half
13.11 mi11:43:431:34:597:155:03
7:24
#9372
25K
15.53 mi12:02:121:53:287:1818:29
7:37
#9610
30K
18.64 mi12:27:082:18:247:2524:56
8:02
#9914
20M
20.00 mi12:38:122:29:287:2811:04
8:09
#9985
21M
21.00 mi12:46:332:37:497:318:21
8:21
#9935
35K
21.75 mi12:52:342:43:507:326:01
8:03
#10027
23M
23.00 mi13:02:432:53:597:3410:09
8:06
#10045
24M
24.00 mi13:10:383:01:547:357:55
7:55
#10049
40K
24.85 mi13:17:373:08:537:366:59
8:10
#10072
25.2M
25.20 mi13:20:353:11:517:372:58
8:36
#10052
Finish
26.22 mi13:27:563:19:127:367:21
7:13
#9891
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi8553735473548625(Top 30%)7330(Top 46%)7330(Top 130%)
10K6.21 mi3.10 mi8677-1247408-547408-548832(Top 31%)7500(Top 47%)7500(Top 133%)
15K9.32 mi3.11 mi8632+457362+467362+468625(Top 30%)7330(Top 46%)7330(Top 130%)
20K12.43 mi3.11 mi9310-6787737-3757737-37511543(Top 41%)8748(Top 54%)8748(Top 155%)
Half13.11 mi0.68 mi9372-627759-227759-2210809(Top 38%)8434(Top 52%)8434(Top 149%)
25K15.53 mi2.42 mi9610-2387855-967855-9610940(Top 39%)8356(Top 52%)8356(Top 148%)
30K18.64 mi3.11 mi9914-3047971-1167971-11611562(Top 41%)8457(Top 53%)8457(Top 150%)
20M20.00 mi1.36 mi9985-717978-77978-711399(Top 40%)8228(Top 51%)8228(Top 146%)
21M21.00 mi1.00 mi9935+507914+647914+649509(Top 33%)7107(Top 44%)7107(Top 126%)
35K21.75 mi0.75 mi10027-927919-57919-512485(Top 44%)8546(Top 53%)8546(Top 151%)
23M23.00 mi1.25 mi10045-187888+317888+3110769(Top 38%)7621(Top 47%)7621(Top 135%)
24M24.00 mi1.00 mi10049-47852+367852+3610634(Top 37%)7490(Top 47%)7490(Top 133%)
40K24.85 mi0.85 mi10072-237836+167836+1611333(Top 40%)7724(Top 48%)7724(Top 137%)
25.2M25.20 mi0.35 mi10052+207806+307806+309380(Top 33%)6632(Top 41%)6632(Top 118%)
Finish26.22 mi1.02 mi9891+1617701+1057701+1057124(Top 25%)5411(Top 34%)5411(Top 96%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 30%
×21stories
+97ft-345ft

Overall

8625

Males

7330

M18-39

7330

5K→10K

3.1 - 6.2 mi

Top 31%
×5stories
+79ft-138ft

Overall

8832

Males

7500

M18-39

7500

10K→15K

6.2 - 9.3 mi

Top 30%
×3stories
+67ft-78ft

Overall

8625

Males

7330

M18-39

7330

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11543

Males

8748

M18-39

8748

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10809

Males

8434

M18-39

8434

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

10940

Males

8356

M18-39

8356

25K→30K

15.5 - 18.6 mi

Top 41%
×9stories
+181ft-148ft

Overall

11562

Males

8457

M18-39

8457

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11399

Males

8228

M18-39

8228

20M→21M

20.0 - 21.0 mi

Top 33%
×8stories
+106ft-24ft

Overall

9509

Males

7107

M18-39

7107

21M→35K

21.0 - 21.8 mi

Top 44%
×7stories
+17ft-86ft

Overall

12485

Males

8546

M18-39

8546

35K→23M

21.8 - 23.0 mi

Top 38%
×5stories
+23ft-63ft

Overall

10769

Males

7621

M18-39

7621

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

10634

Males

7490

M18-39

7490

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11333

Males

7724

M18-39

7724

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9380

Males

6632

M18-39

6632

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2stories
+22ft-21ft

Overall

7124

Males

5411

M18-39

5411

Passing Analysis

Category:
Athletes Passed
1344*
Passed By
2676
Net Change
-1338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8553
5K → 10K144268-124#8553#8677
10K → 15K178133+45#8677#8632
15K → 20K51729-678#8632#9310
20K → Half1476-62#9310#9372
Half → 25K94332-238#9372#9610
25K → 30K137441-304#9610#9914
30K → 20M96166-71#9914#9985
20M → 21M12776+50#9985#9935
21M → 35K47137-92#9935#10027
35K → 23M87105-18#10027#10045
23M → 24M8083-4#10045#10049
24M → 40K7597-23#10049#10072
40K → 25.2M4525+20#10072#10052
25.2M → Finish169*8+161#10052#9891
TOTALS1344*2676-1338

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

📊

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