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BOSTON MARATHON 2025

David Rivas

Bib: 11279•M

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M45-49)
#0 / 2386
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:38
Rank: #10199
Start → 5K
22:38 | 7:17/mi
10K· 6.21 mi
45:01
Rank: #9835 (+364)
5K → 10K
22:23 | 7:12/mi
15K· 9.32 mi
1:07:29
Rank: #9668 (+167)
10K → 15K
22:28 | 7:14/mi
20K· 12.43 mi
1:29:58
Rank: #9337 (+331)
15K → 20K
22:29 | 7:14/mi
Half· 13.11 mi
1:34:55
Rank: #9347 (-10)
20K → Half
4:57 | 7:15/mi
25K· 15.53 mi
1:52:36
Rank: #9113 (+234)
Half → 25K
17:41 | 7:18/mi
30K· 18.64 mi
2:18:00
Rank: #9731 (-618)
25K → 30K
25:24 | 8:11/mi
20M
2:32:04
Rank: #11107 (-1376)
30K → 20M
14:04 | 10:21/mi
21M
2:43:35
Rank: #12219 (-1112)
20M → 21M
11:31 | 11:31/mi
35K· 21.75 mi
2:51:05
Rank: #12775 (-556)
21M → 35K
7:30 | 10:01/mi
23M
3:02:29
Rank: #13030 (-255)
35K → 23M
11:24 | 9:06/mi
24M
3:11:20
Rank: #13195 (-165)
23M → 24M
8:51 | 8:51/mi
40K· 24.85 mi
3:19:13
Rank: #13370 (-175)
24M → 40K
7:53 | 9:13/mi
25.2M
3:23:05
Rank: #13577 (-207)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:33:58
Rank: #14280 (-703)
25.2M → Finish
10:53 | 10:41/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:55
Pace7:14 /mi
2nd Half
Distance13.11 mi
Time1:59:03
Pace9:05 /mi
📊Positive Split: 25.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:4022:387:1722:38
7:17
-
10K
6.21 mi11:12:0345:017:1522:23
7:12
-0:05
15K
9.32 mi11:34:311:07:297:1422:28
7:14
+0:02
20K
12.43 mi11:57:001:29:587:1422:29
7:14
0:00
Half
13.11 mi12:01:571:34:557:144:57
7:15
+0:01
25K
15.53 mi12:19:381:52:367:1517:41
7:18
+0:03
30K
18.64 mi12:45:022:18:007:2425:24
8:11
+0:53
20M
20.00 mi12:59:062:32:047:3614:04
10:21
+2:10
21M
21.00 mi13:10:372:43:357:4711:31
11:31
+1:10
35K
21.75 mi13:18:072:51:057:527:30
10:01
-1:30
23M
23.00 mi13:29:313:02:297:5611:24
9:06
-0:55
24M
24.00 mi13:38:223:11:207:588:51
8:51
-0:15
40K
24.85 mi13:46:153:19:138:017:53
9:13
+0:22
25.2M
25.20 mi13:50:073:23:058:043:52
11:13
+2:00
Finish
26.22 mi14:01:003:33:588:1010:53
10:41
-0:32

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

7:12 /mi

Average Pace

8:10 /mi

Slowest Pace

11:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:36

53% of race

Time at Steady Pace

53:32

25% of race

Time at Slower Pace

47:50

22% of race

Average Pace: 8:10 /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 mi10:49:4022:387:1722:38
7:17
#10199
10K
6.21 mi11:12:0345:017:1522:23
7:12
#9835
15K
9.32 mi11:34:311:07:297:1422:28
7:14
#9668
20K
12.43 mi11:57:001:29:587:1422:29
7:14
#9337
Half
13.11 mi12:01:571:34:557:144:57
7:15
#9347
25K
15.53 mi12:19:381:52:367:1517:41
7:18
#9113
30K
18.64 mi12:45:022:18:007:2425:24
8:11
#9731
20M
20.00 mi12:59:062:32:047:3614:04
10:21
#11107
21M
21.00 mi13:10:372:43:357:4711:31
11:31
#12219
35K
21.75 mi13:18:072:51:057:527:30
10:01
#12775
23M
23.00 mi13:29:313:02:297:5611:24
9:06
#13030
24M
24.00 mi13:38:223:11:207:588:51
8:51
#13195
40K
24.85 mi13:46:153:19:138:017:53
9:13
#13370
25.2M
25.20 mi13:50:073:23:058:043:52
11:13
#13577
Finish
26.22 mi14:01:003:33:588:1010:53
10:41
#14280
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi10199828182819385(Top 33%)7764(Top 48%)7764(Top 325%)
10K6.21 mi3.10 mi9835+3648088+1938088+1939521(Top 34%)7893(Top 49%)7893(Top 331%)
15K9.32 mi3.11 mi9668+1677964+1247964+1249385(Top 33%)7764(Top 48%)7764(Top 325%)
20K12.43 mi3.11 mi9337+3317748+2167748+2168509(Top 30%)7171(Top 45%)7171(Top 301%)
Half13.11 mi0.68 mi9347-107749-17749-19605(Top 34%)7840(Top 49%)7840(Top 329%)
25K15.53 mi2.42 mi9113+2347593+1567593+1568317(Top 29%)6952(Top 43%)6952(Top 291%)
30K18.64 mi3.11 mi9731-6187866-2737866-27312636(Top 44%)8971(Top 56%)8971(Top 376%)
20M20.00 mi1.36 mi11107-13768520-6548520-65421997(Top 77%)13048(Top 81%)13048(Top 547%)
21M21.00 mi1.00 mi12219-11128998-4788998-47822636(Top 80%)13256(Top 82%)13256(Top 556%)
35K21.75 mi0.75 mi12775-5569234-2369234-23621935(Top 77%)12861(Top 80%)12861(Top 539%)
23M23.00 mi1.25 mi13030-2559310-769310-7616819(Top 59%)10431(Top 65%)10431(Top 437%)
24M24.00 mi1.00 mi13195-1659348-389348-3816561(Top 58%)10276(Top 64%)10276(Top 431%)
40K24.85 mi0.85 mi13370-1759403-559403-5517416(Top 61%)10554(Top 66%)10554(Top 442%)
25.2M25.20 mi0.35 mi13577-2079482-799482-7921211(Top 75%)12373(Top 77%)12373(Top 519%)
Finish26.22 mi1.02 mi14280-7039769-2879769-28724676(Top 87%)14112(Top 88%)14112(Top 591%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21stories
+97ft-345ft

Overall

9385

Males

7764

M45-49

7764

5K→10K

3.1 - 6.2 mi

Top 34%
×5stories
+79ft-138ft

Overall

9521

Males

7893

M45-49

7893

10K→15K

6.2 - 9.3 mi

Top 33%
×3stories
+67ft-78ft

Overall

9385

Males

7764

M45-49

7764

15K→20K

9.3 - 12.4 mi

Top 30%
×5stories
+106ft-86ft

Overall

8509

Males

7171

M45-49

7171

20K→Half

12.4 - 13.1 mi

Top 34%
×2stories
+19ft-37ft

Overall

9605

Males

7840

M45-49

7840

Half→25K

13.1 - 15.5 mi

Top 29%
×4stories
+66ft-88ft

Overall

8317

Males

6952

M45-49

6952

25K→30K

15.5 - 18.6 mi

Top 44%
×9stories
+181ft-148ft

Overall

12636

Males

8971

M45-49

8971

30K→20M

18.6 - 20.0 mi

Top 77%
×5stories
+64ft-50ft

Overall

21997

Males

13048

M45-49

13048

20M→21M

20.0 - 21.0 mi

Top 80%
×8stories
+106ft-24ft

Overall

22636

Males

13256

M45-49

13256

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

21935

Males

12861

M45-49

12861

35K→23M

21.8 - 23.0 mi

Top 59%
×5stories
+23ft-63ft

Overall

16819

Males

10431

M45-49

10431

23M→24M

23.0 - 24.0 mi

Top 58%
×6stories
+12ft-82ft

Overall

16561

Males

10276

M45-49

10276

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17416

Males

10554

M45-49

10554

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21211

Males

12373

M45-49

12373

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2stories
+22ft-21ft

Overall

24676

Males

14112

M45-49

14112

Passing Analysis

Category:
Athletes Passed
1636*
Passed By
5714
Net Change
-4081
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10199
5K → 10K465*101+364#10199#9835
10K → 15K26193+167#9835#9668
15K → 20K36433+331#9668#9337
20K → Half2535-10#9337#9347
Half → 25K27440+234#9347#9113
25K → 30K82700-618#9113#9731
30K → 20M81382-1376#9731#11107
20M → 21M51117-1112#11107#12219
21M → 35K12568-556#12219#12775
35K → 23M54309-255#12775#13030
23M → 24M36201-165#13030#13195
24M → 40K35210-175#13195#13370
40K → 25.2M8215-207#13370#13577
25.2M → Finish7710-703#13577#14280
TOTALS1636*5714-4081

* 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