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BOSTON MARATHON 2025

Zachary Nyboer

Bib: 7275•M

IN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Male)
#0 / 16105
Top 23%
Division (M18-39)
#0 / 5642
Top 48%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:47
Rank: #5333
Start → 5K
20:47 | 6:41/mi
10K· 6.21 mi
41:33
Rank: #5236 (+97)
5K → 10K
20:46 | 6:41/mi
15K· 9.32 mi
1:02:13
Rank: #5001 (+235)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:23:07
Rank: #4882 (+119)
15K → 20K
20:54 | 6:44/mi
Half· 13.11 mi
1:27:40
Rank: #4889 (-7)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:44:03
Rank: #4774 (+115)
Half → 25K
16:23 | 6:45/mi
30K· 18.64 mi
2:05:38
Rank: #4641 (+133)
25K → 30K
21:35 | 6:57/mi
20M
2:15:00
Rank: #4512 (+129)
30K → 20M
9:22 | 6:54/mi
21M
2:22:19
Rank: #4427 (+85)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:27:20
Rank: #4356 (+71)
21M → 35K
5:01 | 6:42/mi
23M
2:35:51
Rank: #4200 (+156)
35K → 23M
8:31 | 6:48/mi
24M
2:42:39
Rank: #4135 (+65)
23M → 24M
6:48 | 6:48/mi
40K· 24.85 mi
2:48:34
Rank: #4088 (+47)
24M → 40K
5:55 | 6:55/mi
25.2M
2:51:13
Rank: #4085 (+3)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:57:58
Rank: #4026 (+59)
25.2M → Finish
6:45 | 6:37/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:27:40
Pace6:41 /mi
2nd Half
Distance13.11 mi
Time1:30:18
Pace6:53 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:28:0320:476:4120:47
6:41
-
10K
6.21 mi10:48:4941:336:4120:46
6:41
0:00
15K
9.32 mi11:09:291:02:136:4120:40
6:39
-0:02
20K
12.43 mi11:30:231:23:076:4120:54
6:44
+0:05
Half
13.11 mi11:34:561:27:406:414:33
6:40
-0:04
25K
15.53 mi11:51:191:44:036:4216:23
6:45
+0:05
30K
18.64 mi12:12:542:05:386:4421:35
6:57
+0:12
20M
20.00 mi12:22:162:15:006:459:22
6:54
-0:03
21M
21.00 mi12:29:352:22:196:477:19
7:19
+0:25
35K
21.75 mi12:34:362:27:206:465:01
6:42
-0:37
23M
23.00 mi12:43:072:35:516:478:31
6:48
+0:06
24M
24.00 mi12:49:552:42:396:476:48
6:48
0:00
40K
24.85 mi12:55:502:48:346:475:55
6:55
+0:07
25.2M
25.20 mi12:58:292:51:136:482:39
7:41
+0:46
Finish
26.22 mi13:05:142:57:586:486:45
6:37
-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

6:37 /mi

Average Pace

6:48 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:48:00

94% of race

Time at Steady Pace

9:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:47 /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 mi10:28:0320:476:4120:47
6:41
#5333
10K
6.21 mi10:48:4941:336:4120:46
6:41
#5236
15K
9.32 mi11:09:291:02:136:4120:40
6:39
#5001
20K
12.43 mi11:30:231:23:076:4120:54
6:44
#4882
Half
13.11 mi11:34:561:27:406:414:33
6:40
#4889
25K
15.53 mi11:51:191:44:036:4216:23
6:45
#4774
30K
18.64 mi12:12:542:05:386:4421:35
6:57
#4641
20M
20.00 mi12:22:162:15:006:459:22
6:54
#4512
21M
21.00 mi12:29:352:22:196:477:19
7:19
#4427
35K
21.75 mi12:34:362:27:206:465:01
6:42
#4356
23M
23.00 mi12:43:072:35:516:478:31
6:48
#4200
24M
24.00 mi12:49:552:42:396:476:48
6:48
#4135
40K
24.85 mi12:55:502:48:346:475:55
6:55
#4088
25.2M
25.20 mi12:58:292:51:136:482:39
7:41
#4085
Finish
26.22 mi13:05:142:57:586:486:45
6:37
#4026
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi5333495749574647(Top 16%)4348(Top 27%)4348(Top 77%)
10K6.21 mi3.10 mi5236+974867+904867+905183(Top 18%)4812(Top 30%)4812(Top 85%)
15K9.32 mi3.11 mi5001+2354661+2064661+2064647(Top 16%)4348(Top 27%)4348(Top 77%)
20K12.43 mi3.11 mi4882+1194550+1114550+1114651(Top 16%)4313(Top 27%)4313(Top 76%)
Half13.11 mi0.68 mi4889-74556-64556-64936(Top 17%)4565(Top 28%)4565(Top 81%)
25K15.53 mi2.42 mi4774+1154441+1154441+1154525(Top 16%)4181(Top 26%)4181(Top 74%)
30K18.64 mi3.11 mi4641+1334313+1284313+1284366(Top 15%)3997(Top 25%)3997(Top 71%)
20M20.00 mi1.36 mi4512+1294192+1214192+1213465(Top 12%)3201(Top 20%)3201(Top 57%)
21M21.00 mi1.00 mi4427+854109+834109+833682(Top 13%)3364(Top 21%)3364(Top 60%)
35K21.75 mi0.75 mi4356+714044+654044+653509(Top 12%)3182(Top 20%)3182(Top 56%)
23M23.00 mi1.25 mi4200+1563900+1443900+1442712(Top 10%)2495(Top 15%)2495(Top 44%)
24M24.00 mi1.00 mi4135+653836+643836+643487(Top 12%)3122(Top 19%)3122(Top 55%)
40K24.85 mi0.85 mi4088+473785+513785+513436(Top 12%)3055(Top 19%)3055(Top 54%)
25.2M25.20 mi0.35 mi4085+33775+103775+104207(Top 15%)3563(Top 22%)3563(Top 63%)
Finish26.22 mi1.02 mi4026+593721+543721+543445(Top 12%)3014(Top 19%)3014(Top 53%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4647

Males

4348

M18-39

4348

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

5183

Males

4812

M18-39

4812

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4647

Males

4348

M18-39

4348

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4651

Males

4313

M18-39

4313

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4936

Males

4565

M18-39

4565

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4525

Males

4181

M18-39

4181

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4366

Males

3997

M18-39

3997

30K→20M

18.6 - 20.0 mi

Top 12%
×5stories
+64ft-50ft

Overall

3465

Males

3201

M18-39

3201

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3682

Males

3364

M18-39

3364

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3509

Males

3182

M18-39

3182

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2712

Males

2495

M18-39

2495

23M→24M

23.0 - 24.0 mi

Top 12%
×6stories
+12ft-82ft

Overall

3487

Males

3122

M18-39

3122

24M→40K

24.0 - 24.9 mi

Top 12%
×1story
+6ft-20ft

Overall

3436

Males

3055

M18-39

3055

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4207

Males

3563

M18-39

3563

25.2M→Finish

25.2 - 26.2 mi

Top 12%
×2stories
+22ft-21ft

Overall

3445

Males

3014

M18-39

3014

Passing Analysis

Category:
Athletes Passed
1845
Passed By
538
Net Change
+1307
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5333
5K → 10K222125+97#5333#5236
10K → 15K28651+235#5236#5001
15K → 20K18667+119#5001#4882
20K → Half1926-7#4882#4889
Half → 25K15742+115#4889#4774
25K → 30K22390+133#4774#4641
30K → 20M14718+129#4641#4512
20M → 21M11227+85#4512#4427
21M → 35K8312+71#4427#4356
35K → 23M1626+156#4356#4200
23M → 24M8318+65#4200#4135
24M → 40K6013+47#4135#4088
40K → 25.2M2421+3#4088#4085
25.2M → Finish8122+59#4085#4026
TOTALS1845538+1307
📊

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