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BOSTON MARATHON 2025

Nelson Navarro

Bib: 13081•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
Masters (Masters Men)
#0 / 10463
Top 24%
Division (M50-54)
#0 / 1996
Top 20%
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
7:20/mi
22:47
↑ 97↓ 3451.5%
10K· 6.21 mi
7:00/mi
44:31
↑ 79↓ 1380.4%
15K· 9.32 mi
6:57/mi
1:06:07
↑ 67↓ 78
20K· 12.43 mi
7:11/mi
1:28:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:11/mi
1:33:21
↑ 19↓ 370.5%
25K· 15.53 mi
7:02/mi
1:50:23
↑ 66↓ 880.2%
30K· 18.64 mi
7:10/mi
2:12:40
↑ 181↓ 1480.2%
20M
7:19/mi
2:22:36
↑ 64↓ 500.2%
21M
7:44/mi
2:30:20
↑ 106↓ 241.6%
35K· 21.75 mi
6:53/mi
2:35:29
↑ 17↓ 861.7%
23M
7:26/mi
2:44:48
↑ 23↓ 630.6%
24M
7:35/mi
2:52:23
↓ 821.3%
40K· 24.85 mi
7:48/mi
2:59:03
↓ 200.3%
25.2M
8:33/mi
3:02:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:39/mi
3:09:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:21
Pace7:07 /mi
2nd Half
Distance13.11 mi
Time1:36:27
Pace7:21 /mi
📊Positive Split: 3.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:5122:477:2022:47
7:20
-
10K
6.21 mi11:13:3544:317:1021:44
7:00
-0:20
15K
9.32 mi11:35:111:06:077:0621:36
6:57
-0:03
20K
12.43 mi11:57:311:28:277:0722:20
7:11
+0:14
Half
13.11 mi12:02:251:33:217:074:54
7:11
0:00
25K
15.53 mi12:19:271:50:237:0617:02
7:02
-0:09
30K
18.64 mi12:41:442:12:407:0722:17
7:10
+0:08
20M
20.00 mi12:51:402:22:367:089:56
7:19
+0:09
21M
21.00 mi12:59:242:30:207:107:44
7:44
+0:25
35K
21.75 mi13:04:332:35:297:095:09
6:53
-0:51
23M
23.00 mi13:13:522:44:487:109:19
7:26
+0:33
24M
24.00 mi13:21:272:52:237:117:35
7:35
+0:09
40K
24.85 mi13:28:072:59:037:126:40
7:48
+0:13
25.2M
25.20 mi13:31:043:02:007:132:57
8:33
+0:45
Finish
26.22 mi13:38:523:09:487:157:48
7:39
-0:54

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

6:53 /mi

Average Pace

7:15 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:05:31

35% of race

Time at Steady Pace

1:31:33

48% of race

Time at Slower Pace

32:44

17% of race

Average Pace: 7:14 /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 mi10:51:5122:477:2022:47
7:20
#10677
10K
6.21 mi11:13:3544:317:1021:44
7:00
#9142
15K
9.32 mi11:35:111:06:077:0621:36
6:57
#8422
20K
12.43 mi11:57:311:28:277:0722:20
7:11
#8287
Half
13.11 mi12:02:251:33:217:074:54
7:11
#8305
25K
15.53 mi12:19:271:50:237:0617:02
7:02
#7956
30K
18.64 mi12:41:442:12:407:0722:17
7:10
#7451
20M
20.00 mi12:51:402:22:367:089:56
7:19
#7258
21M
21.00 mi12:59:242:30:207:107:44
7:44
#7117
35K
21.75 mi13:04:332:35:297:095:09
6:53
#6996
23M
23.00 mi13:13:522:44:487:109:19
7:26
#6870
24M
24.00 mi13:21:272:52:237:117:35
7:35
#6884
40K
24.85 mi13:28:072:59:037:126:40
7:48
#6908
25.2M
25.20 mi13:31:043:02:007:132:57
8:33
#6912
Finish
26.22 mi13:38:523:09:487:157:48
7:39
#7000
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10677851985197306(Top 26%)6477(Top 40%)6477(Top 324%)
10K6.21 mi3.10 mi9142+15357680+8397680+8397883(Top 28%)6895(Top 43%)6895(Top 345%)
15K9.32 mi3.11 mi8422+7207233+4477233+4477306(Top 26%)6477(Top 40%)6477(Top 324%)
20K12.43 mi3.11 mi8287+1357130+1037130+1038081(Top 28%)6915(Top 43%)6915(Top 346%)
Half13.11 mi0.68 mi8305-187135-57135-58849(Top 31%)7371(Top 46%)7371(Top 369%)
25K15.53 mi2.42 mi7956+3496904+2316904+2316466(Top 23%)5741(Top 36%)5741(Top 288%)
30K18.64 mi3.11 mi7451+5056532+3726532+3725744(Top 20%)5126(Top 32%)5126(Top 257%)
20M20.00 mi1.36 mi7258+1936361+1716361+1715839(Top 21%)5082(Top 32%)5082(Top 255%)
21M21.00 mi1.00 mi7117+1416235+1266235+1265816(Top 20%)4935(Top 31%)4935(Top 247%)
35K21.75 mi0.75 mi6996+1216136+996136+994617(Top 16%)4095(Top 25%)4095(Top 205%)
23M23.00 mi1.25 mi6870+1266007+1296007+1296271(Top 22%)5128(Top 32%)5128(Top 257%)
24M24.00 mi1.00 mi6884-145991+165991+168253(Top 29%)6243(Top 39%)6243(Top 313%)
40K24.85 mi0.85 mi6908-245979+125979+128684(Top 31%)6341(Top 39%)6341(Top 318%)
25.2M25.20 mi0.35 mi6912-45966+135966+138996(Top 32%)6415(Top 40%)6415(Top 321%)
Finish26.22 mi1.02 mi7000-885994-285994-2810292(Top 36%)7122(Top 44%)7122(Top 357%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7306

Males

6477

M50-54

6477

5K→10K

3.1 - 6.2 mi

Top 28%
×5story building
+79ft-138ft

Overall

7883

Males

6895

M50-54

6895

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7306

Males

6477

M50-54

6477

15K→20K

9.3 - 12.4 mi

Top 28%
×5story building
+106ft-86ft

Overall

8081

Males

6915

M50-54

6915

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8849

Males

7371

M50-54

7371

Half→25K

13.1 - 15.5 mi

Top 23%
×4story building
+66ft-88ft

Overall

6466

Males

5741

M50-54

5741

25K→30K

15.5 - 18.6 mi

Top 20%
×9story building
+181ft-148ft

Overall

5744

Males

5126

M50-54

5126

30K→20M

18.6 - 20.0 mi

Top 21%
×5story building
+64ft-50ft

Overall

5839

Males

5082

M50-54

5082

20M→21M

20.0 - 21.0 mi

Top 20%
×8story building
+106ft-24ft

Overall

5816

Males

4935

M50-54

4935

21M→35K

21.0 - 21.8 mi

Top 16%
×7story building
+17ft-86ft

Overall

4617

Males

4095

M50-54

4095

35K→23M

21.8 - 23.0 mi

Top 22%
×5story building
+23ft-63ft

Overall

6271

Males

5128

M50-54

5128

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8253

Males

6243

M50-54

6243

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

8684

Males

6341

M50-54

6341

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8996

Males

6415

M50-54

6415

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10292

Males

7122

M50-54

7122

Passing Analysis

Category:
Athletes Passed
4232*
Passed By
555
Net Change
+3677
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10677
5K → 10K1546*11+1535#10677#9142
10K → 15K7277+720#9142#8422
15K → 20K22792+135#8422#8287
20K → Half2038-18#8287#8305
Half → 25K3556+349#8305#7956
25K → 30K5138+505#7956#7451
30K → 20M20815+193#7451#7258
20M → 21M16423+141#7258#7117
21M → 35K1254+121#7117#6996
35K → 23M15529+126#6996#6870
23M → 24M6882-14#6870#6884
24M → 40K5680-24#6884#6908
40K → 25.2M2630-4#6908#6912
25.2M → Finish42130-88#6912#7000
TOTALS4232*555+3677

* 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