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BOSTON MARATHON 2025

Nurbay Nursapa

Bib: 864•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 8%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:47
Rank: #465
Start → 5K
5:43/mi
17:47 split
10K· 6.21 mi
35:16
Rank: #397 (+68)
5K → 10K
5:38/mi
17:29 split
15K· 9.32 mi
52:50
Rank: #360 (+37)
10K → 15K
5:39/mi
17:34 split
20K· 12.43 mi
1:10:26
Rank: #337 (+23)
15K → 20K
5:40/mi
17:36 split
Half· 13.11 mi
1:14:13
Rank: #328 (+9)
20K → Half
5:33/mi
3:47 split
25K· 15.53 mi
1:27:57
Rank: #311 (+17)
Half → 25K
5:40/mi
13:44 split
30K· 18.64 mi
1:46:07
Rank: #298 (+13)
25K → 30K
5:51/mi
18:10 split
20M
1:54:32
Rank: #315 (-17)
30K → 20M
6:12/mi
8:25 split
21M
2:01:23
Rank: #332 (-17)
20M → 21M
6:51/mi
6:51 split
35K· 21.75 mi
2:06:00
Rank: #348 (-16)
21M → 35K
6:10/mi
4:37 split
23M
2:15:06
Rank: #427 (-79)
35K → 23M
7:16/mi
9:06 split
24M
2:21:48
Rank: #467 (-40)
23M → 24M
6:42/mi
6:42 split
40K· 24.85 mi
2:27:39
Rank: #509 (-42)
24M → 40K
6:51/mi
5:51 split
25.2M
2:30:29
Rank: #544 (-35)
40K → 25.2M
8:13/mi
2:50 split
Finish· 26.22 mi
2:37:02
Rank: #567 (-23)
25.2M → Finish
6:26/mi
6:33 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:14:13
Pace5:40 /mi
2nd Half
Distance13.11 mi
Time1:22:49
Pace6:19 /mi
📊Positive Split: 11.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:1917:475:4317:47
5:43
-
10K
6.21 mi10:35:4835:165:4117:29
5:38
-0:05
15K
9.32 mi10:53:2252:505:4017:34
5:39
+0:01
20K
12.43 mi11:10:581:10:265:4017:36
5:40
+0:01
Half
13.11 mi11:14:451:14:135:403:47
5:33
-0:07
25K
15.53 mi11:28:291:27:575:4013:44
5:40
+0:07
30K
18.64 mi11:46:391:46:075:4218:10
5:51
+0:11
20M
20.00 mi11:55:041:54:325:448:25
6:12
+0:21
21M
21.00 mi12:01:552:01:235:476:51
6:51
+0:39
35K
21.75 mi12:06:322:06:005:484:37
6:10
-0:41
23M
23.00 mi12:15:382:15:065:529:06
7:16
+1:06
24M
24.00 mi12:22:202:21:485:556:42
6:42
-0:34
40K
24.85 mi12:28:112:27:395:565:51
6:51
+0:09
25.2M
25.20 mi12:31:012:30:295:582:50
8:13
+1:22
Finish
26.22 mi12:37:342:37:026:006:33
6:26
-1:47

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

5:33 /mi

Average Pace

6:00 /mi

Slowest Pace

8:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:27:57

56% of race

Time at Steady Pace

37:45

24% of race

Time at Slower Pace

31:20

20% of race

Average Pace: 5:59 /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 mi10:18:1917:475:4317:47
5:43
#465
10K
6.21 mi10:35:4835:165:4117:29
5:38
#397
15K
9.32 mi10:53:2252:505:4017:34
5:39
#360
20K
12.43 mi11:10:581:10:265:4017:36
5:40
#337
Half
13.11 mi11:14:451:14:135:403:47
5:33
#328
25K
15.53 mi11:28:291:27:575:4013:44
5:40
#311
30K
18.64 mi11:46:391:46:075:4218:10
5:51
#298
20M
20.00 mi11:55:041:54:325:448:25
6:12
#315
21M
21.00 mi12:01:552:01:235:476:51
6:51
#332
35K
21.75 mi12:06:322:06:005:484:37
6:10
#348
23M
23.00 mi12:15:382:15:065:529:06
7:16
#427
24M
24.00 mi12:22:202:21:485:556:42
6:42
#467
40K
24.85 mi12:28:112:27:395:565:51
6:51
#509
25.2M
25.20 mi12:31:012:30:295:582:50
8:13
#544
Finish
26.22 mi12:37:342:37:026:006:33
6:26
#567
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi465427427315(Top 1%)287(Top 2%)287(Top 5%)
10K6.21 mi3.10 mi397+68364+63364+63329(Top 1%)300(Top 2%)300(Top 5%)
15K9.32 mi3.11 mi360+37330+34330+34315(Top 1%)287(Top 2%)287(Top 5%)
20K12.43 mi3.11 mi337+23308+22308+22277(Top 1.0%)251(Top 2%)251(Top 4%)
Half13.11 mi0.68 mi328+9299+9299+9249(Top 0.9%)225(Top 1%)225(Top 4%)
25K15.53 mi2.42 mi311+17283+16283+16256(Top 0.9%)230(Top 1%)230(Top 4%)
30K18.64 mi3.11 mi298+13271+12271+12293(Top 1%)270(Top 2%)270(Top 5%)
20M20.00 mi1.36 mi315-17288-17288-17701(Top 2%)660(Top 4%)660(Top 12%)
21M21.00 mi1.00 mi332-17305-17305-171669(Top 6%)1573(Top 10%)1573(Top 28%)
35K21.75 mi0.75 mi348-16319-14319-141115(Top 4%)1050(Top 7%)1050(Top 19%)
23M23.00 mi1.25 mi427-79393-74393-745238(Top 18%)4474(Top 28%)4474(Top 79%)
24M24.00 mi1.00 mi467-40429-36429-362948(Top 10%)2672(Top 17%)2672(Top 47%)
40K24.85 mi0.85 mi509-42467-38467-383000(Top 11%)2696(Top 17%)2696(Top 48%)
25.2M25.20 mi0.35 mi544-35500-33500-337018(Top 25%)5308(Top 33%)5308(Top 94%)
Finish26.22 mi1.02 mi567-23524-24524-242412(Top 8%)2192(Top 14%)2192(Top 39%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 1%
×21story building
+97ft-345ft

Overall

315

Males

287

M18-39

287

5K→10K

3.1 - 6.2 mi

Top 1%
×5story building
+79ft-138ft

Overall

329

Males

300

M18-39

300

10K→15K

6.2 - 9.3 mi

Top 1%
×3story building
+67ft-78ft

Overall

315

Males

287

M18-39

287

15K→20K

9.3 - 12.4 mi

Top 1.0%
×5story building
+106ft-86ft

Overall

277

Males

251

M18-39

251

20K→Half

12.4 - 13.1 mi

Top 0.9%
×2story building
+19ft-37ft

Overall

249

Males

225

M18-39

225

Half→25K

13.1 - 15.5 mi

Top 0.9%
×4story building
+66ft-88ft

Overall

256

Males

230

M18-39

230

25K→30K

15.5 - 18.6 mi

Top 1%
×9story building
+181ft-148ft

Overall

293

Males

270

M18-39

270

30K→20M

18.6 - 20.0 mi

Top 2%
×5story building
+64ft-50ft

Overall

701

Males

660

M18-39

660

20M→21M

20.0 - 21.0 mi

Top 6%
×8story building
+106ft-24ft

Overall

1669

Males

1573

M18-39

1573

21M→35K

21.0 - 21.8 mi

Top 4%
×7story building
+17ft-86ft

Overall

1115

Males

1050

M18-39

1050

35K→23M

21.8 - 23.0 mi

Top 18%
×5story building
+23ft-63ft

Overall

5238

Males

4474

M18-39

4474

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2948

Males

2672

M18-39

2672

24M→40K

24.0 - 24.9 mi

Top 11%
×1story
+6ft-20ft

Overall

3000

Males

2696

M18-39

2696

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7018

Males

5308

M18-39

5308

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2story building
+22ft-21ft

Overall

2412

Males

2192

M18-39

2192

Passing Analysis

Category:
Athletes Passed
207
Passed By
309
Net Change
-102
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#465
5K → 10K746+68#465#397
10K → 15K403+37#397#360
15K → 20K263+23#360#337
20K → Half90+9#337#328
Half → 25K203+17#328#311
25K → 30K229+13#311#298
30K → 20M320-17#298#315
20M → 21M118-17#315#332
21M → 35K117-16#332#348
35K → 23M079-79#348#427
23M → 24M141-40#427#467
24M → 40K446-42#467#509
40K → 25.2M035-35#509#544
25.2M → Finish629-23#544#567
TOTALS207309-102
📊

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