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BOSTON MARATHON 2025

Michael Nurzia

Bib: 13929•M

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 30%
Gender (Male)
#0 / 16105
Top 43%
Masters (Masters Men)
#0 / 10463
Top 31%
Division (M50-54)
#0 / 1996
Top 29%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:26/mi
23:05
↑ 97↓ 3451.5%
10K· 6.21 mi
7:21/mi
45:55
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:37
↑ 67↓ 78
20K· 12.43 mi
7:23/mi
1:31:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:36:28
↑ 19↓ 370.5%
25K· 15.53 mi
7:21/mi
1:54:18
↑ 66↓ 880.2%
30K· 18.64 mi
7:28/mi
2:17:30
↑ 181↓ 1480.2%
20M
7:33/mi
2:27:45
↑ 64↓ 500.2%
21M
7:50/mi
2:35:35
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:40:56
↑ 17↓ 861.7%
23M
7:47/mi
2:50:41
↑ 23↓ 630.6%
24M
7:31/mi
2:58:12
↓ 821.3%
40K· 24.85 mi
7:41/mi
3:04:46
↓ 200.3%
25.2M
7:58/mi
3:07:31
↑ 13↓ 160.2%
Finish· 26.22 mi
7:13/mi
3:14:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:28
Pace7:22 /mi
2nd Half
Distance13.11 mi
Time1:38:24
Pace7:30 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:2223:057:2623:05
7:26
-
10K
6.21 mi11:18:1245:557:2322:50
7:21
-0:05
15K
9.32 mi11:40:541:08:377:2222:42
7:18
-0:03
20K
12.43 mi12:03:501:31:337:2222:56
7:23
+0:05
Half
13.11 mi12:08:451:36:287:224:55
7:12
-0:11
25K
15.53 mi12:26:351:54:187:2117:50
7:21
+0:09
30K
18.64 mi12:49:472:17:307:2323:12
7:28
+0:07
20M
20.00 mi13:00:022:27:457:2310:15
7:33
+0:05
21M
21.00 mi13:07:522:35:357:257:50
7:50
+0:17
35K
21.75 mi13:13:132:40:567:245:21
7:09
-0:41
23M
23.00 mi13:22:582:50:417:259:45
7:47
+0:38
24M
24.00 mi13:30:292:58:127:267:31
7:31
-0:16
40K
24.85 mi13:37:033:04:467:266:34
7:41
+0:10
25.2M
25.20 mi13:39:483:07:317:262:45
7:58
+0:17
Finish
26.22 mi13:47:093:14:527:267:21
7:13
-0:45

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

7:09 /mi

Average Pace

7:26 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:12:07

99% of race

Time at Steady Pace

2:45

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:26 /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 mi10:55:2223:057:2623:05
7:26
#11602
10K
6.21 mi11:18:1245:557:2322:50
7:21
#11140
15K
9.32 mi11:40:541:08:377:2222:42
7:18
#10725
20K
12.43 mi12:03:501:31:337:2222:56
7:23
#10459
Half
13.11 mi12:08:451:36:287:224:55
7:12
#10372
25K
15.53 mi12:26:351:54:187:2117:50
7:21
#10075
30K
18.64 mi12:49:472:17:307:2323:12
7:28
#9497
20M
20.00 mi13:00:022:27:457:2310:15
7:33
#9280
21M
21.00 mi13:07:522:35:357:257:50
7:50
#9050
35K
21.75 mi13:13:132:40:567:245:21
7:09
#8903
23M
23.00 mi13:22:582:50:417:259:45
7:47
#8815
24M
24.00 mi13:30:292:58:127:267:31
7:31
#8731
40K
24.85 mi13:37:033:04:467:266:34
7:41
#8664
25.2M
25.20 mi13:39:483:07:317:262:45
7:58
#8579
Finish
26.22 mi13:47:093:14:527:267:21
7:13
#8504
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi116028990899010029(Top 35%)8097(Top 50%)8097(Top 406%)
10K6.21 mi3.10 mi11140+4628744+2468744+24610716(Top 38%)8513(Top 53%)8513(Top 427%)
15K9.32 mi3.11 mi10725+4158503+2418503+24110029(Top 35%)8097(Top 50%)8097(Top 406%)
20K12.43 mi3.11 mi10459+2668352+1518352+1519713(Top 34%)7852(Top 49%)7852(Top 393%)
Half13.11 mi0.68 mi10372+878292+608292+609082(Top 32%)7514(Top 47%)7514(Top 376%)
25K15.53 mi2.42 mi10075+2978099+1938099+1938767(Top 31%)7202(Top 45%)7202(Top 361%)
30K18.64 mi3.11 mi9497+5787749+3507749+3507521(Top 26%)6293(Top 39%)6293(Top 315%)
20M20.00 mi1.36 mi9280+2177591+1587591+1587304(Top 26%)6028(Top 37%)6028(Top 302%)
21M21.00 mi1.00 mi9050+2307432+1597432+1596390(Top 22%)5326(Top 33%)5326(Top 267%)
35K21.75 mi0.75 mi8903+1477327+1057327+1056295(Top 22%)5268(Top 33%)5268(Top 264%)
23M23.00 mi1.25 mi8815+887233+947233+948481(Top 30%)6429(Top 40%)6429(Top 322%)
24M24.00 mi1.00 mi8731+847148+857148+857814(Top 28%)6008(Top 37%)6008(Top 301%)
40K24.85 mi0.85 mi8664+677067+817067+817939(Top 28%)5959(Top 37%)5959(Top 299%)
25.2M25.20 mi0.35 mi8579+857004+637004+635811(Top 20%)4636(Top 29%)4636(Top 232%)
Finish26.22 mi1.02 mi8504+756938+666938+667117(Top 25%)5404(Top 34%)5404(Top 271%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21story building
+97ft-345ft

Overall

10029

Males

8097

M50-54

8097

5K→10K

3.1 - 6.2 mi

Top 38%
×5story building
+79ft-138ft

Overall

10716

Males

8513

M50-54

8513

10K→15K

6.2 - 9.3 mi

Top 35%
×3story building
+67ft-78ft

Overall

10029

Males

8097

M50-54

8097

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

9713

Males

7852

M50-54

7852

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

9082

Males

7514

M50-54

7514

Half→25K

13.1 - 15.5 mi

Top 31%
×4story building
+66ft-88ft

Overall

8767

Males

7202

M50-54

7202

25K→30K

15.5 - 18.6 mi

Top 26%
×9story building
+181ft-148ft

Overall

7521

Males

6293

M50-54

6293

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

7304

Males

6028

M50-54

6028

20M→21M

20.0 - 21.0 mi

Top 22%
×8story building
+106ft-24ft

Overall

6390

Males

5326

M50-54

5326

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

6295

Males

5268

M50-54

5268

35K→23M

21.8 - 23.0 mi

Top 30%
×5story building
+23ft-63ft

Overall

8481

Males

6429

M50-54

6429

23M→24M

23.0 - 24.0 mi

Top 28%
×6story building
+12ft-82ft

Overall

7814

Males

6008

M50-54

6008

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7939

Males

5959

M50-54

5959

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5811

Males

4636

M50-54

4636

25.2M→Finish

25.2 - 26.2 mi

Top 25%
×2story building
+22ft-21ft

Overall

7117

Males

5404

M50-54

5404

Passing Analysis

Category:
Athletes Passed
3517*
Passed By
419
Net Change
+3098
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11602
5K → 10K55694+462#11602#11140
10K → 15K44530+415#11140#10725
15K → 20K31549+266#10725#10459
20K → Half881+87#10459#10372
Half → 25K31821+297#10372#10075
25K → 30K591*13+578#10075#9497
30K → 20M2258+217#9497#9280
20M → 21M24010+230#9280#9050
21M → 35K1536+147#9050#8903
35K → 23M15365+88#8903#8815
23M → 24M11935+84#8815#8731
24M → 40K11245+67#8731#8664
40K → 25.2M916+85#8664#8579
25.2M → Finish11136+75#8579#8504
TOTALS3517*419+3098

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

📊

Passing Visuals

Category:
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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