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BOSTON MARATHON 2025

Marcos Nava

Bib: 7667•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 31%
Gender (Male)
#0 / 16105
Top 44%
Masters (Masters Men)
#0 / 10463
Top 32%
Division (M40-44)
#0 / 2247
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:39
Rank: #10247
Start → 5K
22:39 | 7:17/mi
10K· 6.21 mi
45:13
Rank: #10141 (+106)
5K → 10K
22:34 | 7:16/mi
15K· 9.32 mi
1:07:52
Rank: #10050 (+91)
10K → 15K
22:39 | 7:17/mi
20K· 12.43 mi
1:30:35
Rank: #9771 (+279)
15K → 20K
22:43 | 7:19/mi
Half· 13.11 mi
1:35:34
Rank: #9774 (-3)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:53:21
Rank: #9545 (+229)
Half → 25K
17:47 | 7:20/mi
30K· 18.64 mi
2:16:52
Rank: #9220 (+325)
25K → 30K
23:31 | 7:34/mi
20M
2:27:19
Rank: #9110 (+110)
30K → 20M
10:27 | 7:41/mi
21M
2:35:28
Rank: #9016 (+94)
20M → 21M
8:09 | 8:09/mi
35K· 21.75 mi
2:41:02
Rank: #8950 (+66)
21M → 35K
5:34 | 7:26/mi
23M
2:50:43
Rank: #8830 (+120)
35K → 23M
9:41 | 7:44/mi
24M
2:58:17
Rank: #8769 (+61)
23M → 24M
7:34 | 7:34/mi
40K· 24.85 mi
3:04:56
Rank: #8721 (+48)
24M → 40K
6:39 | 7:47/mi
25.2M
3:08:04
Rank: #8778 (-57)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
3:16:04
Rank: #8879 (-101)
25.2M → Finish
8:00 | 7:51/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:35:34
Pace7:17 /mi
2nd Half
Distance13.11 mi
Time1:40:30
Pace7:40 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:30:2522:397:1722:39
7:17
-
10K
6.21 mi10:52:5945:137:1722:34
7:16
-0:01
15K
9.32 mi11:15:381:07:527:1722:39
7:17
+0:01
20K
12.43 mi11:38:211:30:357:1722:43
7:19
+0:02
Half
13.11 mi11:43:201:35:347:174:59
7:18
-0:01
25K
15.53 mi12:01:071:53:217:1817:47
7:20
+0:02
30K
18.64 mi12:24:382:16:527:2123:31
7:34
+0:14
20M
20.00 mi12:35:052:27:197:2210:27
7:41
+0:07
21M
21.00 mi12:43:142:35:287:248:09
8:09
+0:28
35K
21.75 mi12:48:482:41:027:245:34
7:26
-0:43
23M
23.00 mi12:58:292:50:437:259:41
7:44
+0:18
24M
24.00 mi13:06:032:58:177:267:34
7:34
-0:10
40K
24.85 mi13:12:423:04:567:266:39
7:47
+0:13
25.2M
25.20 mi13:15:503:08:047:283:08
9:05
+1:18
Finish
26.22 mi13:23:503:16:047:298:00
7:51
-1:14

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

7:16 /mi

Average Pace

7:29 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:53:21

58% of race

Time at Steady Pace

1:03:26

32% of race

Time at Slower Pace

19:17

10% of race

Average Pace: 7:29 /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 mi10:30:2522:397:1722:39
7:17
#10247
10K
6.21 mi10:52:5945:137:1722:34
7:16
#10141
15K
9.32 mi11:15:381:07:527:1722:39
7:17
#10050
20K
12.43 mi11:38:211:30:357:1722:43
7:19
#9771
Half
13.11 mi11:43:201:35:347:174:59
7:18
#9774
25K
15.53 mi12:01:071:53:217:1817:47
7:20
#9545
30K
18.64 mi12:24:382:16:527:2123:31
7:34
#9220
20M
20.00 mi12:35:052:27:197:2210:27
7:41
#9110
21M
21.00 mi12:43:142:35:287:248:09
8:09
#9016
35K
21.75 mi12:48:482:41:027:245:34
7:26
#8950
23M
23.00 mi12:58:292:50:437:259:41
7:44
#8830
24M
24.00 mi13:06:032:58:177:267:34
7:34
#8769
40K
24.85 mi13:12:423:04:567:266:39
7:47
#8721
25.2M
25.20 mi13:15:503:08:047:283:08
9:05
#8778
Finish
26.22 mi13:23:503:16:047:298:00
7:51
#8879
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi10247829482949910(Top 35%)8033(Top 50%)8033(Top 357%)
10K6.21 mi3.10 mi10141+1068234+608234+6010019(Top 35%)8151(Top 51%)8151(Top 363%)
15K9.32 mi3.11 mi10050+918158+768158+769910(Top 35%)8033(Top 50%)8033(Top 357%)
20K12.43 mi3.11 mi9771+2797983+1757983+1759127(Top 32%)7520(Top 47%)7520(Top 335%)
Half13.11 mi0.68 mi9774-37982+17982+19962(Top 35%)7984(Top 50%)7984(Top 355%)
25K15.53 mi2.42 mi9545+2297817+1657817+1658625(Top 30%)7125(Top 44%)7125(Top 317%)
30K18.64 mi3.11 mi9220+3257589+2287589+2288209(Top 29%)6711(Top 42%)6711(Top 299%)
20M20.00 mi1.36 mi9110+1107504+857504+858261(Top 29%)6598(Top 41%)6598(Top 294%)
21M21.00 mi1.00 mi9016+947411+937411+938250(Top 29%)6401(Top 40%)6401(Top 285%)
35K21.75 mi0.75 mi8950+667352+597352+598191(Top 29%)6414(Top 40%)6414(Top 285%)
23M23.00 mi1.25 mi8830+1207245+1077245+1078095(Top 28%)6220(Top 39%)6220(Top 277%)
24M24.00 mi1.00 mi8769+617170+757170+758146(Top 29%)6204(Top 39%)6204(Top 276%)
40K24.85 mi0.85 mi8721+487102+687102+688591(Top 30%)6298(Top 39%)6298(Top 280%)
25.2M25.20 mi0.35 mi8778-577116-147116-1412184(Top 43%)8068(Top 50%)8068(Top 359%)
Finish26.22 mi1.02 mi8879-1017139-237139-2311774(Top 41%)7912(Top 49%)7912(Top 352%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 35%
×21stories
+97ft-345ft

Overall

9910

Males

8033

M40-44

8033

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

10019

Males

8151

M40-44

8151

10K→15K

6.2 - 9.3 mi

Top 35%
×3stories
+67ft-78ft

Overall

9910

Males

8033

M40-44

8033

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

9127

Males

7520

M40-44

7520

20K→Half

12.4 - 13.1 mi

Top 35%
×2stories
+19ft-37ft

Overall

9962

Males

7984

M40-44

7984

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8625

Males

7125

M40-44

7125

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8209

Males

6711

M40-44

6711

30K→20M

18.6 - 20.0 mi

Top 29%
×5stories
+64ft-50ft

Overall

8261

Males

6598

M40-44

6598

20M→21M

20.0 - 21.0 mi

Top 29%
×8stories
+106ft-24ft

Overall

8250

Males

6401

M40-44

6401

21M→35K

21.0 - 21.8 mi

Top 29%
×7stories
+17ft-86ft

Overall

8191

Males

6414

M40-44

6414

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

8095

Males

6220

M40-44

6220

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

8146

Males

6204

M40-44

6204

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8591

Males

6298

M40-44

6298

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12184

Males

8068

M40-44

8068

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2stories
+22ft-21ft

Overall

11774

Males

7912

M40-44

7912

Passing Analysis

Category:
Athletes Passed
2375*
Passed By
1007
Net Change
+1368
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10247
5K → 10K291185+106#10247#10141
10K → 15K221130+91#10141#10050
15K → 20K333*54+279#10050#9771
20K → Half3538-3#9771#9774
Half → 25K27243+229#9774#9545
25K → 30K38863+325#9545#9220
30K → 20M15747+110#9220#9110
20M → 21M13743+94#9110#9016
21M → 35K9630+66#9016#8950
35K → 23M16444+120#8950#8830
23M → 24M10948+61#8830#8769
24M → 40K10456+48#8769#8721
40K → 25.2M2279-57#8721#8778
25.2M → Finish46147-101#8778#8879
TOTALS2375*1007+1368

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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