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BOSTON MARATHON 2025

Carlos Sarasti Arce

Bib: 4833•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 43%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:25
Rank: #7035
Start → 5K
21:25 | 6:54/mi
10K· 6.21 mi
42:55
Rank: #7204 (-169)
5K → 10K
21:30 | 6:55/mi
15K· 9.32 mi
1:05:19
Rank: #7808 (-604)
10K → 15K
22:24 | 7:13/mi
20K· 12.43 mi
1:28:56
Rank: #8598 (-790)
15K → 20K
23:37 | 7:36/mi
Half· 13.11 mi
1:33:58
Rank: #8687 (-89)
20K → Half
5:02 | 7:23/mi
25K· 15.53 mi
1:52:31
Rank: #9056 (-369)
Half → 25K
18:33 | 7:39/mi
30K· 18.64 mi
2:18:00
Rank: #9730 (-674)
25K → 30K
25:29 | 8:12/mi
20M
2:29:40
Rank: #10081 (-351)
30K → 20M
11:40 | 8:35/mi
21M
2:38:53
Rank: #10389 (-308)
20M → 21M
9:13 | 9:13/mi
35K· 21.75 mi
2:45:15
Rank: #10595 (-206)
21M → 35K
6:22 | 8:31/mi
23M
2:56:48
Rank: #11034 (-439)
35K → 23M
11:33 | 9:13/mi
24M
3:05:57
Rank: #11394 (-360)
23M → 24M
9:09 | 9:09/mi
40K· 24.85 mi
3:14:15
Rank: #11818 (-424)
24M → 40K
8:18 | 9:42/mi
25.2M
3:18:07
Rank: #12041 (-223)
40K → 25.2M
3:52 | 11:13/mi
Finish· 26.22 mi
3:27:13
Rank: #12334 (-293)
25.2M → Finish
9:06 | 8:56/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:33:58
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:53:15
Pace8:38 /mi
📊Positive Split: 20.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:1121:256:5421:25
6:54
-
10K
6.21 mi10:47:4142:556:5421:30
6:55
+0:01
15K
9.32 mi11:10:051:05:197:0022:24
7:13
+0:18
20K
12.43 mi11:33:421:28:567:0923:37
7:36
+0:23
Half
13.11 mi11:38:441:33:587:105:02
7:23
-0:13
25K
15.53 mi11:57:171:52:317:1518:33
7:39
+0:16
30K
18.64 mi12:22:462:18:007:2425:29
8:12
+0:33
20M
20.00 mi12:34:262:29:407:2911:40
8:35
+0:23
21M
21.00 mi12:43:392:38:537:349:13
9:13
+0:38
35K
21.75 mi12:50:012:45:157:366:22
8:31
-0:42
23M
23.00 mi13:01:342:56:487:4111:33
9:13
+0:42
24M
24.00 mi13:10:433:05:577:459:09
9:09
-0:04
40K
24.85 mi13:19:013:14:157:498:18
9:42
+0:33
25.2M
25.20 mi13:22:533:18:077:523:52
11:13
+1:31
Finish
26.22 mi13:31:593:27:137:559:06
8:56
-2:17

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

6:54 /mi

Average Pace

7:55 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:31

54% of race

Time at Steady Pace

52:37

25% of race

Time at Slower Pace

42:05

20% of race

Average Pace: 7:54 /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 mi10:26:1121:256:5421:25
6:54
#7035
10K
6.21 mi10:47:4142:556:5421:30
6:55
#7204
15K
9.32 mi11:10:051:05:197:0022:24
7:13
#7808
20K
12.43 mi11:33:421:28:567:0923:37
7:36
#8598
Half
13.11 mi11:38:441:33:587:105:02
7:23
#8687
25K
15.53 mi11:57:171:52:317:1518:33
7:39
#9056
30K
18.64 mi12:22:462:18:007:2425:29
8:12
#9730
20M
20.00 mi12:34:262:29:407:2911:40
8:35
#10081
21M
21.00 mi12:43:392:38:537:349:13
9:13
#10389
35K
21.75 mi12:50:012:45:157:366:22
8:31
#10595
23M
23.00 mi13:01:342:56:487:4111:33
9:13
#11034
24M
24.00 mi13:10:433:05:577:459:09
9:09
#11394
40K
24.85 mi13:19:013:14:157:498:18
9:42
#11818
25.2M
25.20 mi13:22:533:18:077:523:52
11:13
#12041
Finish
26.22 mi13:31:593:27:137:559:06
8:56
#12334
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi7035632863289215(Top 32%)7669(Top 48%)7669(Top 136%)
10K6.21 mi3.10 mi7204-1696451-1236451-1237398(Top 26%)6575(Top 41%)6575(Top 117%)
15K9.32 mi3.11 mi7808-6046849-3986849-3989215(Top 32%)7669(Top 48%)7669(Top 136%)
20K12.43 mi3.11 mi8598-7907325-4767325-47611617(Top 41%)8794(Top 55%)8794(Top 156%)
Half13.11 mi0.68 mi8687-897370-457370-4510669(Top 38%)8391(Top 52%)8391(Top 149%)
25K15.53 mi2.42 mi9056-3697558-1887558-18811155(Top 39%)8468(Top 53%)8468(Top 150%)
30K18.64 mi3.11 mi9730-6747865-3077865-30712832(Top 45%)9065(Top 56%)9065(Top 161%)
20M20.00 mi1.36 mi10081-3518030-1658030-16514314(Top 50%)9596(Top 60%)9596(Top 170%)
21M21.00 mi1.00 mi10389-3088127-978127-9714687(Top 52%)9651(Top 60%)9651(Top 171%)
35K21.75 mi0.75 mi10595-2068213-868213-8615486(Top 55%)9917(Top 62%)9917(Top 176%)
23M23.00 mi1.25 mi11034-4398371-1588371-15817421(Top 61%)10697(Top 66%)10697(Top 190%)
24M24.00 mi1.00 mi11394-3608510-1398510-13918083(Top 64%)10951(Top 68%)10951(Top 194%)
40K24.85 mi0.85 mi11818-4248679-1698679-16919476(Top 69%)11539(Top 72%)11539(Top 205%)
25.2M25.20 mi0.35 mi12041-2238765-868765-8621210(Top 75%)12372(Top 77%)12372(Top 219%)
Finish26.22 mi1.02 mi12334-2938876-1118876-11118646(Top 66%)11190(Top 69%)11190(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21stories
+97ft-345ft

Overall

9215

Males

7669

M18-39

7669

5K→10K

3.1 - 6.2 mi

Top 26%
×5stories
+79ft-138ft

Overall

7398

Males

6575

M18-39

6575

10K→15K

6.2 - 9.3 mi

Top 32%
×3stories
+67ft-78ft

Overall

9215

Males

7669

M18-39

7669

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11617

Males

8794

M18-39

8794

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10669

Males

8391

M18-39

8391

Half→25K

13.1 - 15.5 mi

Top 39%
×4stories
+66ft-88ft

Overall

11155

Males

8468

M18-39

8468

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12832

Males

9065

M18-39

9065

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

14314

Males

9596

M18-39

9596

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

14687

Males

9651

M18-39

9651

21M→35K

21.0 - 21.8 mi

Top 55%
×7stories
+17ft-86ft

Overall

15486

Males

9917

M18-39

9917

35K→23M

21.8 - 23.0 mi

Top 61%
×5stories
+23ft-63ft

Overall

17421

Males

10697

M18-39

10697

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

18083

Males

10951

M18-39

10951

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

19476

Males

11539

M18-39

11539

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

21210

Males

12372

M18-39

12372

25.2M→Finish

25.2 - 26.2 mi

Top 66%
×2stories
+22ft-21ft

Overall

18646

Males

11190

M18-39

11190

Passing Analysis

Category:
Athletes Passed
538
Passed By
5834
Net Change
-5299
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7035
5K → 10K132301-169#7035#7204
10K → 15K25629-604#7204#7808
15K → 20K36826-790#7808#8598
20K → Half11100-89#8598#8687
Half → 25K69438-369#8687#9056
25K → 30K76750-674#9056#9730
30K → 20M48397-351#9730#10081
20M → 21M40347-308#10081#10389
21M → 35K12218-206#10389#10595
35K → 23M30469-439#10595#11034
23M → 24M24384-360#11034#11394
24M → 40K17441-424#11394#11818
40K → 25.2M2225-223#11818#12041
25.2M → Finish16309-293#12041#12334
TOTALS5385834-5299
📊

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