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BOSTON MARATHON 2025

Oscar Sanchez Acosta

Bib: 5507•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 7%
Gender (Male)
#0 / 16105
Top 11%
Division (M18-39)
#0 / 5642
Top 26%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:57
Rank: #1432
Start → 5K
18:57 | 6:06/mi
10K· 6.21 mi
37:46
Rank: #1344 (+88)
5K → 10K
18:49 | 6:03/mi
15K· 9.32 mi
57:08
Rank: #1528 (-184)
10K → 15K
19:22 | 6:14/mi
20K· 12.43 mi
1:16:32
Rank: #1568 (-40)
15K → 20K
19:24 | 6:15/mi
Half· 13.11 mi
1:20:40
Rank: #1551 (+17)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:35:51
Rank: #1556 (-5)
Half → 25K
15:11 | 6:16/mi
30K· 18.64 mi
1:56:07
Rank: #1617 (-61)
25K → 30K
20:16 | 6:31/mi
20M
2:05:06
Rank: #1625 (-8)
30K → 20M
8:59 | 6:37/mi
21M
2:12:14
Rank: #1660 (-35)
20M → 21M
7:08 | 7:08/mi
35K· 21.75 mi
2:17:05
Rank: #1672 (-12)
21M → 35K
4:51 | 6:29/mi
23M
2:25:29
Rank: #1667 (+5)
35K → 23M
8:24 | 6:43/mi
24M
2:32:22
Rank: #1727 (-60)
23M → 24M
6:53 | 6:53/mi
40K· 24.85 mi
2:38:09
Rank: #1755 (-28)
24M → 40K
5:47 | 6:46/mi
25.2M
2:40:52
Rank: #1783 (-28)
40K → 25.2M
2:43 | 7:53/mi
Finish· 26.22 mi
2:47:55
Rank: #1862 (-79)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:40
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:27:15
Pace6:39 /mi
📊Positive Split: 8.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3218:576:0618:57
6:06
-
10K
6.21 mi10:41:2137:466:0518:49
6:03
-0:03
15K
9.32 mi11:00:4357:086:0819:22
6:14
+0:11
20K
12.43 mi11:20:071:16:326:1019:24
6:15
+0:01
Half
13.11 mi11:24:151:20:406:094:08
6:03
-0:12
25K
15.53 mi11:39:261:35:516:1015:11
6:16
+0:13
30K
18.64 mi11:59:421:56:076:1420:16
6:31
+0:15
20M
20.00 mi12:08:412:05:066:158:59
6:37
+0:06
21M
21.00 mi12:15:492:12:146:187:08
7:08
+0:31
35K
21.75 mi12:20:402:17:056:184:51
6:29
-0:39
23M
23.00 mi12:29:042:25:296:208:24
6:43
+0:14
24M
24.00 mi12:35:572:32:226:216:53
6:53
+0:10
40K
24.85 mi12:41:442:38:096:225:47
6:46
-0:07
25.2M
25.20 mi12:44:272:40:526:232:43
7:53
+1:07
Finish
26.22 mi12:51:302:47:556:257:03
6:55
-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

6:03 /mi

Average Pace

6:25 /mi

Slowest Pace

7:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:35:51

57% of race

Time at Steady Pace

42:30

25% of race

Time at Slower Pace

29:34

18% of race

Average Pace: 6:24 /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 mi10:22:3218:576:0618:57
6:06
#1432
10K
6.21 mi10:41:2137:466:0518:49
6:03
#1344
15K
9.32 mi11:00:4357:086:0819:22
6:14
#1528
20K
12.43 mi11:20:071:16:326:1019:24
6:15
#1568
Half
13.11 mi11:24:151:20:406:094:08
6:03
#1551
25K
15.53 mi11:39:261:35:516:1015:11
6:16
#1556
30K
18.64 mi11:59:421:56:076:1420:16
6:31
#1617
20M
20.00 mi12:08:412:05:066:158:59
6:37
#1625
21M
21.00 mi12:15:492:12:146:187:08
7:08
#1660
35K
21.75 mi12:20:402:17:056:184:51
6:29
#1672
23M
23.00 mi12:29:042:25:296:208:24
6:43
#1667
24M
24.00 mi12:35:572:32:226:216:53
6:53
#1727
40K
24.85 mi12:41:442:38:096:225:47
6:46
#1755
25.2M
25.20 mi12:44:272:40:526:232:43
7:53
#1783
Finish
26.22 mi12:51:302:47:556:257:03
6:55
#1862
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1432136413642009(Top 7%)1913(Top 12%)1913(Top 34%)
10K6.21 mi3.10 mi1344+881277+871277+871314(Top 5%)1247(Top 8%)1247(Top 22%)
15K9.32 mi3.11 mi1528-1841452-1751452-1752009(Top 7%)1913(Top 12%)1913(Top 34%)
20K12.43 mi3.11 mi1568-401488-361488-361779(Top 6%)1691(Top 10%)1691(Top 30%)
Half13.11 mi0.68 mi1551+171473+151473+151417(Top 5%)1349(Top 8%)1349(Top 24%)
25K15.53 mi2.42 mi1556-51474-11474-11713(Top 6%)1628(Top 10%)1628(Top 29%)
30K18.64 mi3.11 mi1617-611534-601534-602092(Top 7%)1989(Top 12%)1989(Top 35%)
20M20.00 mi1.36 mi1625-81540-61540-62074(Top 7%)1963(Top 12%)1963(Top 35%)
21M21.00 mi1.00 mi1660-351574-341574-342835(Top 10%)2629(Top 16%)2629(Top 47%)
35K21.75 mi0.75 mi1672-121584-101584-102407(Top 8%)2250(Top 14%)2250(Top 40%)
23M23.00 mi1.25 mi1667+51577+71577+72302(Top 8%)2145(Top 13%)2145(Top 38%)
24M24.00 mi1.00 mi1727-601635-581635-583984(Top 14%)3523(Top 22%)3523(Top 62%)
40K24.85 mi0.85 mi1755-281662-271662-272680(Top 9%)2437(Top 15%)2437(Top 43%)
25.2M25.20 mi0.35 mi1783-281687-251687-255263(Top 19%)4284(Top 27%)4284(Top 76%)
Finish26.22 mi1.02 mi1862-791762-751762-755197(Top 18%)4245(Top 26%)4245(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 7%
×21stories
+97ft-345ft

Overall

2009

Males

1913

M18-39

1913

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1314

Males

1247

M18-39

1247

10K→15K

6.2 - 9.3 mi

Top 7%
×3stories
+67ft-78ft

Overall

2009

Males

1913

M18-39

1913

15K→20K

9.3 - 12.4 mi

Top 6%
×5stories
+106ft-86ft

Overall

1779

Males

1691

M18-39

1691

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1417

Males

1349

M18-39

1349

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1713

Males

1628

M18-39

1628

25K→30K

15.5 - 18.6 mi

Top 7%
×9stories
+181ft-148ft

Overall

2092

Males

1989

M18-39

1989

30K→20M

18.6 - 20.0 mi

Top 7%
×5stories
+64ft-50ft

Overall

2074

Males

1963

M18-39

1963

20M→21M

20.0 - 21.0 mi

Top 10%
×8stories
+106ft-24ft

Overall

2835

Males

2629

M18-39

2629

21M→35K

21.0 - 21.8 mi

Top 8%
×7stories
+17ft-86ft

Overall

2407

Males

2250

M18-39

2250

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2302

Males

2145

M18-39

2145

23M→24M

23.0 - 24.0 mi

Top 14%
×6stories
+12ft-82ft

Overall

3984

Males

3523

M18-39

3523

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2680

Males

2437

M18-39

2437

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5263

Males

4284

M18-39

4284

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5197

Males

4245

M18-39

4245

Passing Analysis

Category:
Athletes Passed
457
Passed By
887
Net Change
-430
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1432
5K → 10K12133+88#1432#1344
10K → 15K11195-184#1344#1528
15K → 20K4484-40#1528#1568
20K → Half236+17#1568#1551
Half → 25K3742-5#1551#1556
25K → 30K43104-61#1556#1617
30K → 20M3442-8#1617#1625
20M → 21M3267-35#1625#1660
21M → 35K1325-12#1660#1672
35K → 23M4439+5#1672#1667
23M → 24M1676-60#1667#1727
24M → 40K2048-28#1727#1755
40K → 25.2M836-28#1755#1783
25.2M → Finish1190-79#1783#1862
TOTALS457887-430
📊

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