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BOSTON MARATHON 2025

Nnakaike Okpara

Bib: 31781•M

MA

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

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
8:00/mi
24:52
↑ 97↓ 3451.5%
10K· 6.21 mi
8:17/mi
50:35
↑ 79↓ 1380.4%
15K· 9.32 mi
8:33/mi
1:17:10
↑ 67↓ 78
20K· 12.43 mi
9:22/mi
1:46:15
↑ 106↓ 860.1%
Half· 13.11 mi
9:08/mi
1:52:29
↑ 19↓ 370.5%
25K· 15.53 mi
9:57/mi
2:16:36
↑ 66↓ 880.2%
30K· 18.64 mi
12:13/mi
2:54:34
↑ 181↓ 1480.2%
20M
11:16/mi
3:09:53
↑ 64↓ 500.2%
21M
11:59/mi
3:21:52
↑ 106↓ 241.6%
35K· 21.75 mi
10:51/mi
3:29:59
↑ 17↓ 861.7%
23M
10:18/mi
3:42:53
↑ 23↓ 630.6%
24M
9:59/mi
3:52:52
↓ 821.3%
40K· 24.85 mi
10:48/mi
4:02:06
↓ 200.3%
25.2M
10:21/mi
4:05:40
↑ 13↓ 160.2%
Finish· 26.22 mi
9:53/mi
4:15:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:52:29
Pace8:35 /mi
2nd Half
Distance13.11 mi
Time2:23:15
Pace10:56 /mi
📊Positive Split: 27.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1724:528:0024:52
8:00
-
10K
6.21 mi12:16:0050:358:0825:43
8:17
+0:17
15K
9.32 mi12:42:351:17:108:1726:35
8:33
+0:16
20K
12.43 mi13:11:401:46:158:3329:05
9:22
+0:49
Half
13.11 mi13:17:541:52:298:356:14
9:08
-0:14
25K
15.53 mi13:42:012:16:368:4824:07
9:57
+0:49
30K
18.64 mi14:19:592:54:349:2237:58
12:13
+2:16
20M
20.00 mi14:35:183:09:539:3015:19
11:16
-0:57
21M
21.00 mi14:47:173:21:529:3711:59
11:59
+0:43
35K
21.75 mi14:55:243:29:599:398:07
10:51
-1:08
23M
23.00 mi15:08:183:42:539:4112:54
10:18
-0:33
24M
24.00 mi15:18:173:52:529:429:59
9:59
-0:19
40K
24.85 mi15:27:314:02:069:449:14
10:48
+0:49
25.2M
25.20 mi15:31:054:05:409:453:34
10:21
-0:27
Finish
26.22 mi15:41:094:15:449:4610:04
9:53
-0:28

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

8:00 /mi

Average Pace

9:46 /mi

Slowest Pace

12:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:29

44% of race

Time at Steady Pace

1:00:38

24% of race

Time at Slower Pace

1:22:37

32% of race

Average Pace: 9:45 /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 mi11:50:1724:528:0024:52
8:00
#16617
10K
6.21 mi12:16:0050:358:0825:43
8:17
#17573
15K
9.32 mi12:42:351:17:108:1726:35
8:33
#18269
20K
12.43 mi13:11:401:46:158:3329:05
9:22
#19581
Half
13.11 mi13:17:541:52:298:356:14
9:08
#19760
25K
15.53 mi13:42:012:16:368:4824:07
9:57
#20593
30K
18.64 mi14:19:592:54:349:2237:58
12:13
#22375
20M
20.00 mi14:35:183:09:539:3015:19
11:16
#22532
21M
21.00 mi14:47:173:21:529:3711:59
11:59
#22609
35K
21.75 mi14:55:243:29:599:398:07
10:51
#22650
23M
23.00 mi15:08:183:42:539:4112:54
10:18
#22564
24M
24.00 mi15:18:173:52:529:429:59
9:59
#22496
40K
24.85 mi15:27:314:02:069:449:14
10:48
#22499
25.2M
25.20 mi15:31:054:05:409:453:34
10:21
#22441
Finish
26.22 mi15:41:094:15:449:4610:04
9:53
#22442
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi16617110461104619669(Top 69%)12362(Top 77%)12362(Top 219%)
10K6.21 mi3.10 mi17573-95611440-39411440-39418403(Top 65%)11811(Top 73%)11811(Top 209%)
15K9.32 mi3.11 mi18269-69611731-29111731-29119669(Top 69%)12362(Top 77%)12362(Top 219%)
20K12.43 mi3.11 mi19581-131212292-56112292-56122443(Top 79%)13550(Top 84%)13550(Top 240%)
Half13.11 mi0.68 mi19760-17912364-7212364-7222344(Top 79%)13481(Top 84%)13481(Top 239%)
25K15.53 mi2.42 mi20593-83312716-35212716-35223110(Top 81%)13790(Top 86%)13790(Top 244%)
30K18.64 mi3.11 mi22375-178213480-76413480-76425846(Top 91%)14918(Top 93%)14918(Top 264%)
20M20.00 mi1.36 mi22532-15713520-4013520-4024134(Top 85%)14046(Top 87%)14046(Top 249%)
21M21.00 mi1.00 mi22609-7713542-2213542-2223562(Top 83%)13712(Top 85%)13712(Top 243%)
35K21.75 mi0.75 mi22650-4113543-113543-123907(Top 84%)13843(Top 86%)13843(Top 245%)
23M23.00 mi1.25 mi22564+8613480+6313480+6321416(Top 75%)12599(Top 78%)12599(Top 223%)
24M24.00 mi1.00 mi22496+6813427+5313427+5321319(Top 75%)12506(Top 78%)12506(Top 222%)
40K24.85 mi0.85 mi22499-313405+2213405+2222673(Top 80%)13079(Top 81%)13079(Top 232%)
25.2M25.20 mi0.35 mi22441+5813371+3413371+3418454(Top 65%)11062(Top 69%)11062(Top 196%)
Finish26.22 mi1.02 mi22442-113356+1513356+1522549(Top 79%)13053(Top 81%)13053(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 69%
×21story building
+97ft-345ft

Overall

19669

Males

12362

M18-39

12362

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

18403

Males

11811

M18-39

11811

10K→15K

6.2 - 9.3 mi

Top 69%
×3story building
+67ft-78ft

Overall

19669

Males

12362

M18-39

12362

15K→20K

9.3 - 12.4 mi

Top 79%
×5story building
+106ft-86ft

Overall

22443

Males

13550

M18-39

13550

20K→Half

12.4 - 13.1 mi

Top 79%
×2story building
+19ft-37ft

Overall

22344

Males

13481

M18-39

13481

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

23110

Males

13790

M18-39

13790

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

25846

Males

14918

M18-39

14918

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

24134

Males

14046

M18-39

14046

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

23562

Males

13712

M18-39

13712

21M→35K

21.0 - 21.8 mi

Top 84%
×7story building
+17ft-86ft

Overall

23907

Males

13843

M18-39

13843

35K→23M

21.8 - 23.0 mi

Top 75%
×5story building
+23ft-63ft

Overall

21416

Males

12599

M18-39

12599

23M→24M

23.0 - 24.0 mi

Top 75%
×6story building
+12ft-82ft

Overall

21319

Males

12506

M18-39

12506

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

22673

Males

13079

M18-39

13079

40K→25.2M

24.9 - 25.2 mi

Top 65%
×1story
+13ft-16ft

Overall

18454

Males

11062

M18-39

11062

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2story building
+22ft-21ft

Overall

22549

Males

13053

M18-39

13053

Passing Analysis

Category:
Athletes Passed
653
Passed By
6478
Net Change
-5825
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16617
5K → 10K641020-956#16617#17573
10K → 15K51747-696#17573#18269
15K → 20K191331-1312#18269#19581
20K → Half6185-179#19581#19760
Half → 25K24857-833#19760#20593
25K → 30K171799-1782#20593#22375
30K → 20M41198-157#22375#22532
20M → 21M47124-77#22532#22609
21M → 35K3172-41#22609#22650
35K → 23M11832+86#22650#22564
23M → 24M8618+68#22564#22496
24M → 40K4750-3#22496#22499
40K → 25.2M591+58#22499#22441
25.2M → Finish4344-1#22441#22442
TOTALS6536478-5825
📊

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