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BOSTON MARATHON 2025

Daniel Navarro Izquierdo

Bib: 1806•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 11%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
17:55
Rank: #552
Start → 5K
17:55 | 5:46/mi
10K· 6.21 mi
35:51
Rank: #553 (-1)
5K → 10K
17:56 | 5:46/mi
15K· 9.32 mi
54:17
Rank: #614 (-61)
10K → 15K
18:26 | 5:56/mi
20K· 12.43 mi
1:12:53
Rank: #652 (-38)
15K → 20K
18:36 | 5:59/mi
Half· 13.11 mi
1:16:56
Rank: #663 (-11)
20K → Half
4:03 | 5:56/mi
25K· 15.53 mi
1:31:59
Rank: #751 (-88)
Half → 25K
15:03 | 6:12/mi
30K· 18.64 mi
1:51:47
Rank: #818 (-67)
25K → 30K
19:48 | 6:22/mi
20M
2:00:49
Rank: #862 (-44)
30K → 20M
9:02 | 6:39/mi
21M
2:08:01
Rank: #933 (-71)
20M → 21M
7:12 | 7:12/mi
35K· 21.75 mi
2:13:24
Rank: #1024 (-91)
21M → 35K
5:23 | 7:12/mi
23M
2:23:04
Rank: #1245 (-221)
35K → 23M
9:40 | 7:43/mi
24M
2:30:46
Rank: #1429 (-184)
23M → 24M
7:42 | 7:42/mi
40K· 24.85 mi
2:37:51
Rank: #1681 (-252)
24M → 40K
7:05 | 8:17/mi
25.2M
2:40:59
Rank: #1798 (-117)
40K → 25.2M
3:08 | 9:05/mi
Finish· 26.22 mi
2:50:02
Rank: #2272 (-474)
25.2M → Finish
9:03 | 8:53/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:16:56
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:33:06
Pace7:06 /mi
📊Positive Split: 21.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:2117:555:4617:55
5:46
-
10K
6.21 mi10:36:1735:515:4617:56
5:46
0:00
15K
9.32 mi10:54:4354:175:4918:26
5:56
+0:10
20K
12.43 mi11:13:191:12:535:5218:36
5:59
+0:03
Half
13.11 mi11:17:221:16:565:524:03
5:56
-0:03
25K
15.53 mi11:32:251:31:595:5515:03
6:12
+0:16
30K
18.64 mi11:52:131:51:476:0019:48
6:22
+0:10
20M
20.00 mi12:01:152:00:496:029:02
6:39
+0:17
21M
21.00 mi12:08:272:08:016:067:12
7:12
+0:33
35K
21.75 mi12:13:502:13:246:085:23
7:12
0:00
23M
23.00 mi12:23:302:23:046:139:40
7:43
+0:31
24M
24.00 mi12:31:122:30:466:177:42
7:42
-0:01
40K
24.85 mi12:38:172:37:516:217:05
8:17
+0:35
25.2M
25.20 mi12:41:252:40:596:233:08
9:05
+0:48
Finish
26.22 mi12:50:282:50:026:299:03
8:53
-0:12

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

5:46 /mi

Average Pace

6:29 /mi

Slowest Pace

9:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:56

45% of race

Time at Steady Pace

43:53

26% of race

Time at Slower Pace

49:13

29% of race

Average Pace: 6:29 /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 mi10:18:2117:555:4617:55
5:46
#552
10K
6.21 mi10:36:1735:515:4617:56
5:46
#553
15K
9.32 mi10:54:4354:175:4918:26
5:56
#614
20K
12.43 mi11:13:191:12:535:5218:36
5:59
#652
Half
13.11 mi11:17:221:16:565:524:03
5:56
#663
25K
15.53 mi11:32:251:31:595:5515:03
6:12
#751
30K
18.64 mi11:52:131:51:476:0019:48
6:22
#818
20M
20.00 mi12:01:152:00:496:029:02
6:39
#862
21M
21.00 mi12:08:272:08:016:067:12
7:12
#933
35K
21.75 mi12:13:502:13:246:085:23
7:12
#1024
23M
23.00 mi12:23:302:23:046:139:40
7:43
#1245
24M
24.00 mi12:31:122:30:466:177:42
7:42
#1429
40K
24.85 mi12:38:172:37:516:217:05
8:17
#1681
25.2M
25.20 mi12:41:252:40:596:233:08
9:05
#1798
Finish
26.22 mi12:50:282:50:026:299:03
8:53
#2272
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi552513513837(Top 3%)785(Top 5%)785(Top 35%)
10K6.21 mi3.10 mi553-1515-2515-2559(Top 2%)521(Top 3%)521(Top 23%)
15K9.32 mi3.11 mi614-61569-54569-54837(Top 3%)785(Top 5%)785(Top 35%)
20K12.43 mi3.11 mi652-38605-36605-36840(Top 3%)790(Top 5%)790(Top 35%)
Half13.11 mi0.68 mi663-11616-11616-11966(Top 3%)916(Top 6%)916(Top 41%)
25K15.53 mi2.42 mi751-88703-87703-871489(Top 5%)1415(Top 9%)1415(Top 63%)
30K18.64 mi3.11 mi818-67768-65768-651452(Top 5%)1373(Top 9%)1373(Top 61%)
20M20.00 mi1.36 mi862-44811-43811-432216(Top 8%)2094(Top 13%)2094(Top 93%)
21M21.00 mi1.00 mi933-71878-67878-673101(Top 11%)2858(Top 18%)2858(Top 127%)
35K21.75 mi0.75 mi1024-91965-87965-876506(Top 23%)5372(Top 33%)5372(Top 239%)
23M23.00 mi1.25 mi1245-2211172-2071172-2077978(Top 28%)6134(Top 38%)6134(Top 273%)
24M24.00 mi1.00 mi1429-1841349-1771349-1779065(Top 32%)6667(Top 41%)6667(Top 297%)
40K24.85 mi0.85 mi1681-2521591-2421591-24212016(Top 42%)8049(Top 50%)8049(Top 358%)
25.2M25.20 mi0.35 mi1798-1171702-1111702-11112148(Top 43%)8032(Top 50%)8032(Top 357%)
Finish26.22 mi1.02 mi2272-4742156-4542156-45418409(Top 65%)11058(Top 69%)11058(Top 492%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 3%
×21stories
+97ft-345ft

Overall

837

Males

785

M40-44

785

5K→10K

3.1 - 6.2 mi

Top 2%
×5stories
+79ft-138ft

Overall

559

Males

521

M40-44

521

10K→15K

6.2 - 9.3 mi

Top 3%
×3stories
+67ft-78ft

Overall

837

Males

785

M40-44

785

15K→20K

9.3 - 12.4 mi

Top 3%
×5stories
+106ft-86ft

Overall

840

Males

790

M40-44

790

20K→Half

12.4 - 13.1 mi

Top 3%
×2stories
+19ft-37ft

Overall

966

Males

916

M40-44

916

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1489

Males

1415

M40-44

1415

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1452

Males

1373

M40-44

1373

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2216

Males

2094

M40-44

2094

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

3101

Males

2858

M40-44

2858

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6506

Males

5372

M40-44

5372

35K→23M

21.8 - 23.0 mi

Top 28%
×5stories
+23ft-63ft

Overall

7978

Males

6134

M40-44

6134

23M→24M

23.0 - 24.0 mi

Top 32%
×6stories
+12ft-82ft

Overall

9065

Males

6667

M40-44

6667

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

12016

Males

8049

M40-44

8049

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

12148

Males

8032

M40-44

8032

25.2M→Finish

25.2 - 26.2 mi

Top 65%
×2stories
+22ft-21ft

Overall

18409

Males

11058

M40-44

11058

Passing Analysis

Category:
Athletes Passed
119
Passed By
1839
Net Change
-1720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#552
5K → 10K3233-1#552#553
10K → 15K566-61#553#614
15K → 20K1654-38#614#652
20K → Half415-11#652#663
Half → 25K1098-88#663#751
25K → 30K1582-67#751#818
30K → 20M852-44#818#862
20M → 21M677-71#862#933
21M → 35K495-91#933#1024
35K → 23M11232-221#1024#1245
23M → 24M4188-184#1245#1429
24M → 40K2254-252#1429#1681
40K → 25.2M1118-117#1681#1798
25.2M → Finish1475-474#1798#2272
TOTALS1191839-1720
📊

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