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BOSTON MARATHON 2025

Carlos Astaiza

Bib: 1880•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 7%
Division (M18-39)
#0 / 5642
Top 18%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:13
Rank: #1764
Start → 5K
19:13 | 6:11/mi
10K· 6.21 mi
38:21
Rank: #1732 (+32)
5K → 10K
19:08 | 6:10/mi
15K· 9.32 mi
57:32
Rank: #1721 (+11)
10K → 15K
19:11 | 6:10/mi
20K· 12.43 mi
1:16:42
Rank: #1634 (+87)
15K → 20K
19:10 | 6:10/mi
Half· 13.11 mi
1:20:51
Rank: #1613 (+21)
20K → Half
4:09 | 6:05/mi
25K· 15.53 mi
1:35:55
Rank: #1569 (+44)
Half → 25K
15:04 | 6:13/mi
30K· 18.64 mi
1:55:46
Rank: #1529 (+40)
25K → 30K
19:51 | 6:23/mi
20M
2:04:39
Rank: #1514 (+15)
30K → 20M
8:53 | 6:32/mi
21M
2:11:40
Rank: #1542 (-28)
20M → 21M
7:01 | 7:01/mi
35K· 21.75 mi
2:16:13
Rank: #1485 (+57)
21M → 35K
4:33 | 6:05/mi
23M
2:23:54
Rank: #1370 (+115)
35K → 23M
7:41 | 6:08/mi
24M
2:29:54
Rank: #1306 (+64)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:35:14
Rank: #1274 (+32)
24M → 40K
5:20 | 6:14/mi
25.2M
2:37:35
Rank: #1251 (+23)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:43:53
Rank: #1240 (+11)
25.2M → Finish
6:18 | 6:11/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:51
Pace6:10 /mi
2nd Half
Distance13.11 mi
Time1:23:02
Pace6:20 /mi
📊Positive Split: 2.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5419:136:1119:13
6:11
-
10K
6.21 mi10:39:0238:216:1019:08
6:10
-0:01
15K
9.32 mi10:58:1357:326:1019:11
6:10
0:00
20K
12.43 mi11:17:231:16:426:1019:10
6:10
0:00
Half
13.11 mi11:21:321:20:516:104:09
6:05
-0:05
25K
15.53 mi11:36:361:35:556:1015:04
6:13
+0:08
30K
18.64 mi11:56:271:55:466:1319:51
6:23
+0:10
20M
20.00 mi12:05:202:04:396:148:53
6:32
+0:09
21M
21.00 mi12:12:212:11:406:167:01
7:01
+0:29
35K
21.75 mi12:16:542:16:136:164:33
6:05
-0:56
23M
23.00 mi12:24:352:23:546:157:41
6:08
+0:03
24M
24.00 mi12:30:352:29:546:156:00
6:00
-0:08
40K
24.85 mi12:35:552:35:146:155:20
6:14
+0:14
25.2M
25.20 mi12:38:162:37:356:152:21
6:49
+0:35
Finish
26.22 mi12:44:342:43:536:156:18
6:11
-0:38

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

6:00 /mi

Average Pace

6:15 /mi

Slowest Pace

7:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:34:31

94% of race

Time at Steady Pace

9:22

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:15 /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 mi10:19:5419:136:1119:13
6:11
#1764
10K
6.21 mi10:39:0238:216:1019:08
6:10
#1732
15K
9.32 mi10:58:1357:326:1019:11
6:10
#1721
20K
12.43 mi11:17:231:16:426:1019:10
6:10
#1634
Half
13.11 mi11:21:321:20:516:104:09
6:05
#1613
25K
15.53 mi11:36:361:35:556:1015:04
6:13
#1569
30K
18.64 mi11:56:271:55:466:1319:51
6:23
#1529
20M
20.00 mi12:05:202:04:396:148:53
6:32
#1514
21M
21.00 mi12:12:212:11:406:167:01
7:01
#1542
35K
21.75 mi12:16:542:16:136:164:33
6:05
#1485
23M
23.00 mi12:24:352:23:546:157:41
6:08
#1370
24M
24.00 mi12:30:352:29:546:156:00
6:00
#1306
40K
24.85 mi12:35:552:35:146:155:20
6:14
#1274
25.2M
25.20 mi12:38:162:37:356:152:21
6:49
#1251
Finish
26.22 mi12:44:342:43:536:156:18
6:11
#1240
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1764167516751709(Top 6%)1622(Top 10%)1622(Top 29%)
10K6.21 mi3.10 mi1732+321647+281647+281702(Top 6%)1619(Top 10%)1619(Top 29%)
15K9.32 mi3.11 mi1721+111636+111636+111709(Top 6%)1622(Top 10%)1622(Top 29%)
20K12.43 mi3.11 mi1634+871551+851551+851444(Top 5%)1369(Top 9%)1369(Top 24%)
Half13.11 mi0.68 mi1613+211530+211530+211458(Top 5%)1386(Top 9%)1386(Top 25%)
25K15.53 mi2.42 mi1569+441487+431487+431503(Top 5%)1428(Top 9%)1428(Top 25%)
30K18.64 mi3.11 mi1529+401449+381449+381501(Top 5%)1420(Top 9%)1420(Top 25%)
20M20.00 mi1.36 mi1514+151433+161433+161746(Top 6%)1652(Top 10%)1652(Top 29%)
21M21.00 mi1.00 mi1542-281460-271460-272291(Top 8%)2137(Top 13%)2137(Top 38%)
35K21.75 mi0.75 mi1485+571404+561404+56917(Top 3%)862(Top 5%)862(Top 15%)
23M23.00 mi1.25 mi1370+1151293+1111293+111557(Top 2%)525(Top 3%)525(Top 9%)
24M24.00 mi1.00 mi1306+641230+631230+63594(Top 2%)557(Top 3%)557(Top 10%)
40K24.85 mi0.85 mi1274+321199+311199+31825(Top 3%)774(Top 5%)774(Top 14%)
25.2M25.20 mi0.35 mi1251+231175+241175+241010(Top 4%)928(Top 6%)928(Top 16%)
Finish26.22 mi1.02 mi1240+111165+101165+101456(Top 5%)1354(Top 8%)1354(Top 24%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21stories
+97ft-345ft

Overall

1709

Males

1622

M18-39

1622

5K→10K

3.1 - 6.2 mi

Top 6%
×5stories
+79ft-138ft

Overall

1702

Males

1619

M18-39

1619

10K→15K

6.2 - 9.3 mi

Top 6%
×3stories
+67ft-78ft

Overall

1709

Males

1622

M18-39

1622

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1444

Males

1369

M18-39

1369

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1458

Males

1386

M18-39

1386

Half→25K

13.1 - 15.5 mi

Top 5%
×4stories
+66ft-88ft

Overall

1503

Males

1428

M18-39

1428

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1501

Males

1420

M18-39

1420

30K→20M

18.6 - 20.0 mi

Top 6%
×5stories
+64ft-50ft

Overall

1746

Males

1652

M18-39

1652

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2291

Males

2137

M18-39

2137

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

917

Males

862

M18-39

862

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

557

Males

525

M18-39

525

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

594

Males

557

M18-39

557

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

825

Males

774

M18-39

774

40K→25.2M

24.9 - 25.2 mi

Top 4%
×1story
+13ft-16ft

Overall

1010

Males

928

M18-39

928

25.2M→Finish

25.2 - 26.2 mi

Top 5%
×2stories
+22ft-21ft

Overall

1456

Males

1354

M18-39

1354

Passing Analysis

Category:
Athletes Passed
833
Passed By
309
Net Change
+524
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1764
5K → 10K10068+32#1764#1732
10K → 15K6756+11#1732#1721
15K → 20K9912+87#1721#1634
20K → Half243+21#1634#1613
Half → 25K6016+44#1613#1569
25K → 30K8141+40#1569#1529
30K → 20M4732+15#1529#1514
20M → 21M2351-28#1514#1542
21M → 35K603+57#1542#1485
35K → 23M1183+115#1485#1370
23M → 24M651+64#1370#1306
24M → 40K364+32#1306#1274
40K → 25.2M274+23#1274#1251
25.2M → Finish2615+11#1251#1240
TOTALS833309+524
📊

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