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BOSTON MARATHON 2025

Denis Niubo

Bib: 12670•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 24%
Gender (Male)
#0 / 16105
Top 36%
Masters (Masters Men)
#0 / 10463
Top 23%
Division (M45-49)
#0 / 2386
Top 32%
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
7:15/mi
22:31
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:56
↑ 79↓ 1380.4%
15K· 9.32 mi
7:11/mi
1:07:16
↑ 67↓ 78
20K· 12.43 mi
7:10/mi
1:29:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:10/mi
1:51:45
↑ 66↓ 880.2%
30K· 18.64 mi
7:18/mi
2:14:25
↑ 181↓ 1480.2%
20M
7:20/mi
2:24:23
↑ 64↓ 500.2%
21M
7:28/mi
2:31:51
↑ 106↓ 241.6%
35K· 21.75 mi
7:04/mi
2:37:08
↑ 17↓ 861.7%
23M
7:16/mi
2:46:14
↑ 23↓ 630.6%
24M
7:02/mi
2:53:16
↓ 821.3%
40K· 24.85 mi
7:06/mi
2:59:20
↓ 200.3%
25.2M
7:44/mi
3:02:00
↑ 13↓ 160.2%
Finish· 26.22 mi
6:52/mi
3:09:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:34:22
Pace7:12 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:34:38
Pace7:13 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:5022:317:1522:31
7:15
-
10K
6.21 mi11:12:1544:567:1422:25
7:13
-0:02
15K
9.32 mi11:34:351:07:167:1322:20
7:11
-0:02
20K
12.43 mi11:56:501:29:317:1222:15
7:10
-0:01
Half
13.11 mi12:01:411:34:227:124:51
7:07
-0:03
25K
15.53 mi12:19:041:51:457:1217:23
7:10
+0:03
30K
18.64 mi12:41:442:14:257:1322:40
7:18
+0:08
20M
20.00 mi12:51:422:24:237:139:58
7:20
+0:02
21M
21.00 mi12:59:102:31:517:147:28
7:28
+0:08
35K
21.75 mi13:04:272:37:087:145:17
7:04
-0:24
23M
23.00 mi13:13:332:46:147:149:06
7:16
+0:12
24M
24.00 mi13:20:352:53:167:137:02
7:02
-0:14
40K
24.85 mi13:26:392:59:207:136:04
7:06
+0:04
25.2M
25.20 mi13:29:193:02:007:132:40
7:44
+0:38
Finish
26.22 mi13:36:193:09:007:137:00
6:52
-0:52

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

6:52 /mi

Average Pace

7:13 /mi

Slowest Pace

7:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:06:20

99% of race

Time at Steady Pace

2:40

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:12 /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 mi10:49:5022:317:1522:31
7:15
#9871
10K
6.21 mi11:12:1544:567:1422:25
7:13
#9723
15K
9.32 mi11:34:351:07:167:1322:20
7:11
#9460
20K
12.43 mi11:56:501:29:317:1222:15
7:10
#9014
Half
13.11 mi12:01:411:34:227:124:51
7:07
#8961
25K
15.53 mi12:19:041:51:457:1217:23
7:10
#8622
30K
18.64 mi12:41:442:14:257:1322:40
7:18
#8110
20M
20.00 mi12:51:422:24:237:139:58
7:20
#7900
21M
21.00 mi12:59:102:31:517:147:28
7:28
#7611
35K
21.75 mi13:04:272:37:087:145:17
7:04
#7496
23M
23.00 mi13:13:332:46:147:149:06
7:16
#7300
24M
24.00 mi13:20:352:53:167:137:02
7:02
#7134
40K
24.85 mi13:26:392:59:207:136:04
7:06
#6975
25.2M
25.20 mi13:29:193:02:007:132:40
7:44
#6913
Finish
26.22 mi13:36:193:09:007:137:00
6:52
#6765
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi9871809780979000(Top 32%)7544(Top 47%)7544(Top 316%)
10K6.21 mi3.10 mi9723+1488015+828015+829607(Top 34%)7932(Top 49%)7932(Top 332%)
15K9.32 mi3.11 mi9460+2637851+1647851+1649000(Top 32%)7544(Top 47%)7544(Top 316%)
20K12.43 mi3.11 mi9014+4467572+2797572+2797894(Top 28%)6801(Top 42%)6801(Top 285%)
Half13.11 mi0.68 mi8961+537538+347538+348302(Top 29%)7071(Top 44%)7071(Top 296%)
25K15.53 mi2.42 mi8622+3397312+2267312+2267386(Top 26%)6371(Top 40%)6371(Top 267%)
30K18.64 mi3.11 mi8110+5126933+3796933+3796431(Top 23%)5610(Top 35%)5610(Top 235%)
20M20.00 mi1.36 mi7900+2106770+1636770+1636007(Top 21%)5209(Top 32%)5209(Top 218%)
21M21.00 mi1.00 mi7611+2896560+2106560+2104466(Top 16%)3984(Top 25%)3984(Top 167%)
35K21.75 mi0.75 mi7496+1156456+1046456+1045794(Top 20%)4930(Top 31%)4930(Top 207%)
23M23.00 mi1.25 mi7300+1966291+1656291+1655277(Top 19%)4513(Top 28%)4513(Top 189%)
24M24.00 mi1.00 mi7134+1666152+1396152+1394835(Top 17%)4149(Top 26%)4149(Top 174%)
40K24.85 mi0.85 mi6975+1596022+1306022+1304457(Top 16%)3825(Top 24%)3825(Top 160%)
25.2M25.20 mi0.35 mi6913+625967+555967+554539(Top 16%)3817(Top 24%)3817(Top 160%)
Finish26.22 mi1.02 mi6765+1485840+1275840+1274906(Top 17%)4054(Top 25%)4054(Top 170%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9000

Males

7544

M45-49

7544

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9607

Males

7932

M45-49

7932

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9000

Males

7544

M45-49

7544

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

7894

Males

6801

M45-49

6801

20K→Half

12.4 - 13.1 mi

Top 29%
×2story building
+19ft-37ft

Overall

8302

Males

7071

M45-49

7071

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

7386

Males

6371

M45-49

6371

25K→30K

15.5 - 18.6 mi

Top 23%
×9story building
+181ft-148ft

Overall

6431

Males

5610

M45-49

5610

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

6007

Males

5209

M45-49

5209

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4466

Males

3984

M45-49

3984

21M→35K

21.0 - 21.8 mi

Top 20%
×7story building
+17ft-86ft

Overall

5794

Males

4930

M45-49

4930

35K→23M

21.8 - 23.0 mi

Top 19%
×5story building
+23ft-63ft

Overall

5277

Males

4513

M45-49

4513

23M→24M

23.0 - 24.0 mi

Top 17%
×6story building
+12ft-82ft

Overall

4835

Males

4149

M45-49

4149

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4457

Males

3825

M45-49

3825

40K→25.2M

24.9 - 25.2 mi

Top 16%
×1story
+13ft-16ft

Overall

4539

Males

3817

M45-49

3817

25.2M→Finish

25.2 - 26.2 mi

Top 17%
×2story building
+22ft-21ft

Overall

4906

Males

4054

M45-49

4054

Passing Analysis

Category:
Athletes Passed
3431
Passed By
324
Net Change
+3106
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9871
5K → 10K305156+148#9871#9723
10K → 15K32360+263#9723#9460
15K → 20K45913+446#9460#9014
20K → Half6916+53#9014#8961
Half → 25K35314+339#8961#8622
25K → 30K52513+512#8622#8110
30K → 20M2199+210#8110#7900
20M → 21M2912+289#7900#7611
21M → 35K1249+115#7611#7496
35K → 23M2015+196#7496#7300
23M → 24M1726+166#7300#7134
24M → 40K1634+159#7134#6975
40K → 25.2M675+62#6975#6913
25.2M → Finish16012+148#6913#6765
TOTALS3431324+3106
📊

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