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BOSTON MARATHON 2025

Antonio Isla Navarro

Bib: 4123•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 11%
Gender (Male)
#0 / 16105
Top 18%
Division (M18-39)
#0 / 5642
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:05
Rank: #3556
Start → 5K
20:05 | 6:28/mi
10K· 6.21 mi
40:10
Rank: #3505 (+51)
5K → 10K
20:05 | 6:28/mi
15K· 9.32 mi
1:00:11
Rank: #3362 (+143)
10K → 15K
20:01 | 6:27/mi
20K· 12.43 mi
1:20:43
Rank: #3468 (-106)
15K → 20K
20:32 | 6:37/mi
Half· 13.11 mi
1:25:12
Rank: #3498 (-30)
20K → Half
4:29 | 6:34/mi
25K· 15.53 mi
1:41:18
Rank: #3517 (-19)
Half → 25K
16:06 | 6:38/mi
30K· 18.64 mi
2:02:30
Rank: #3462 (+55)
25K → 30K
21:12 | 6:49/mi
20M
2:12:00
Rank: #3476 (-14)
30K → 20M
9:30 | 6:59/mi
21M
2:19:19
Rank: #3459 (+17)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:24:20
Rank: #3419 (+40)
21M → 35K
5:01 | 6:42/mi
23M
2:32:57
Rank: #3341 (+78)
35K → 23M
8:37 | 6:53/mi
24M
2:39:33
Rank: #3264 (+77)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:45:18
Rank: #3198 (+66)
24M → 40K
5:45 | 6:44/mi
25.2M
2:47:50
Rank: #3166 (+32)
40K → 25.2M
2:32 | 7:21/mi
Finish· 26.22 mi
2:54:20
Rank: #3075 (+91)
25.2M → Finish
6:30 | 6:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:12
Pace6:30 /mi
2nd Half
Distance13.11 mi
Time1:29:08
Pace6:48 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:0920:056:2820:05
6:28
-
10K
6.21 mi10:42:1440:106:2820:05
6:28
0:00
15K
9.32 mi11:02:151:00:116:2720:01
6:27
-0:01
20K
12.43 mi11:22:471:20:436:3020:32
6:37
+0:10
Half
13.11 mi11:27:161:25:126:304:29
6:34
-0:03
25K
15.53 mi11:43:221:41:186:3116:06
6:38
+0:04
30K
18.64 mi12:04:342:02:306:3421:12
6:49
+0:11
20M
20.00 mi12:14:042:12:006:369:30
6:59
+0:10
21M
21.00 mi12:21:232:19:196:387:19
7:19
+0:20
35K
21.75 mi12:26:242:24:206:385:01
6:42
-0:37
23M
23.00 mi12:35:012:32:576:398:37
6:53
+0:11
24M
24.00 mi12:41:372:39:336:396:36
6:36
-0:17
40K
24.85 mi12:47:222:45:186:395:45
6:44
+0:08
25.2M
25.20 mi12:49:542:47:506:402:32
7:21
+0:37
Finish
26.22 mi12:56:242:54:206:396:30
6:23
-0:58

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

6:23 /mi

Average Pace

6:39 /mi

Slowest Pace

7:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:29

94% of race

Time at Steady Pace

9:51

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:39 /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 mi10:22:0920:056:2820:05
6:28
#3556
10K
6.21 mi10:42:1440:106:2820:05
6:28
#3505
15K
9.32 mi11:02:151:00:116:2720:01
6:27
#3362
20K
12.43 mi11:22:471:20:436:3020:32
6:37
#3468
Half
13.11 mi11:27:161:25:126:304:29
6:34
#3498
25K
15.53 mi11:43:221:41:186:3116:06
6:38
#3517
30K
18.64 mi12:04:342:02:306:3421:12
6:49
#3462
20M
20.00 mi12:14:042:12:006:369:30
6:59
#3476
21M
21.00 mi12:21:232:19:196:387:19
7:19
#3459
35K
21.75 mi12:26:242:24:206:385:01
6:42
#3419
23M
23.00 mi12:35:012:32:576:398:37
6:53
#3341
24M
24.00 mi12:41:372:39:336:396:36
6:36
#3264
40K
24.85 mi12:47:222:45:186:395:45
6:44
#3198
25.2M
25.20 mi12:49:542:47:506:402:32
7:21
#3166
Finish
26.22 mi12:56:242:54:206:396:30
6:23
#3075
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3556337733773189(Top 11%)3035(Top 19%)3035(Top 54%)
10K6.21 mi3.10 mi3505+513327+503327+503467(Top 12%)3286(Top 20%)3286(Top 58%)
15K9.32 mi3.11 mi3362+1433193+1343193+1343189(Top 11%)3035(Top 19%)3035(Top 54%)
20K12.43 mi3.11 mi3468-1063287-943287-943743(Top 13%)3533(Top 22%)3533(Top 63%)
Half13.11 mi0.68 mi3498-303314-273314-274104(Top 14%)3843(Top 24%)3843(Top 68%)
25K15.53 mi2.42 mi3517-193329-153329-153710(Top 13%)3484(Top 22%)3484(Top 62%)
30K18.64 mi3.11 mi3462+553275+543275+543581(Top 13%)3318(Top 21%)3318(Top 59%)
20M20.00 mi1.36 mi3476-143283-83283-84024(Top 14%)3684(Top 23%)3684(Top 65%)
21M21.00 mi1.00 mi3459+173267+163267+163668(Top 13%)3350(Top 21%)3350(Top 59%)
35K21.75 mi0.75 mi3419+403228+393228+393492(Top 12%)3165(Top 20%)3165(Top 56%)
23M23.00 mi1.25 mi3341+783151+773151+773105(Top 11%)2835(Top 18%)2835(Top 50%)
24M24.00 mi1.00 mi3264+773073+783073+782481(Top 9%)2285(Top 14%)2285(Top 40%)
40K24.85 mi0.85 mi3198+663012+613012+612475(Top 9%)2257(Top 14%)2257(Top 40%)
25.2M25.20 mi0.35 mi3166+322980+322980+322703(Top 10%)2405(Top 15%)2405(Top 43%)
Finish26.22 mi1.02 mi3075+912896+842896+842203(Top 8%)2016(Top 13%)2016(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21stories
+97ft-345ft

Overall

3189

Males

3035

M18-39

3035

5K→10K

3.1 - 6.2 mi

Top 12%
×5stories
+79ft-138ft

Overall

3467

Males

3286

M18-39

3286

10K→15K

6.2 - 9.3 mi

Top 11%
×3stories
+67ft-78ft

Overall

3189

Males

3035

M18-39

3035

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3743

Males

3533

M18-39

3533

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

4104

Males

3843

M18-39

3843

Half→25K

13.1 - 15.5 mi

Top 13%
×4stories
+66ft-88ft

Overall

3710

Males

3484

M18-39

3484

25K→30K

15.5 - 18.6 mi

Top 13%
×9stories
+181ft-148ft

Overall

3581

Males

3318

M18-39

3318

30K→20M

18.6 - 20.0 mi

Top 14%
×5stories
+64ft-50ft

Overall

4024

Males

3684

M18-39

3684

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3668

Males

3350

M18-39

3350

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3492

Males

3165

M18-39

3165

35K→23M

21.8 - 23.0 mi

Top 11%
×5stories
+23ft-63ft

Overall

3105

Males

2835

M18-39

2835

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2481

Males

2285

M18-39

2285

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2475

Males

2257

M18-39

2257

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2703

Males

2405

M18-39

2405

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2203

Males

2016

M18-39

2016

Passing Analysis

Category:
Athletes Passed
1185
Passed By
704
Net Change
+481
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3556
5K → 10K168117+51#3556#3505
10K → 15K17229+143#3505#3362
15K → 20K69175-106#3362#3468
20K → Half737-30#3468#3498
Half → 25K6483-19#3498#3517
25K → 30K12772+55#3517#3462
30K → 20M5973-14#3462#3476
20M → 21M6346+17#3476#3459
21M → 35K5212+40#3459#3419
35K → 23M9921+78#3419#3341
23M → 24M869+77#3341#3264
24M → 40K7812+66#3264#3198
40K → 25.2M408+32#3198#3166
25.2M → Finish10110+91#3166#3075
TOTALS1185704+481
📊

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