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BOSTON MARATHON 2025

Sebastian Cardona Norena

Bib: 3835•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 5%
Gender (Male)
#0 / 16105
Top 9%
Division (M18-39)
#0 / 5642
Top 21%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:00
Rank: #1467
Start → 5K
19:00 | 6:07/mi
10K· 6.21 mi
37:41
Rank: #1282 (+185)
5K → 10K
18:41 | 6:01/mi
15K· 9.32 mi
56:41
Rank: #1322 (-40)
10K → 15K
19:00 | 6:07/mi
20K· 12.43 mi
1:16:22
Rank: #1511 (-189)
15K → 20K
19:41 | 6:20/mi
Half· 13.11 mi
1:20:42
Rank: #1566 (-55)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:36:01
Rank: #1606 (-40)
Half → 25K
15:19 | 6:19/mi
30K· 18.64 mi
1:55:55
Rank: #1573 (+33)
25K → 30K
19:54 | 6:24/mi
20M
2:04:43
Rank: #1535 (+38)
30K → 20M
8:48 | 6:29/mi
21M
2:11:43
Rank: #1551 (-16)
20M → 21M
7:00 | 7:00/mi
35K· 21.75 mi
2:16:05
Rank: #1464 (+87)
21M → 35K
4:22 | 5:50/mi
23M
2:24:06
Rank: #1398 (+66)
35K → 23M
8:01 | 6:24/mi
24M
2:30:27
Rank: #1378 (+20)
23M → 24M
6:21 | 6:21/mi
40K· 24.85 mi
2:36:06
Rank: #1385 (-7)
24M → 40K
5:39 | 6:36/mi
25.2M
2:38:43
Rank: #1411 (-26)
40K → 25.2M
2:37 | 7:35/mi
Finish· 26.22 mi
2:45:53
Rank: #1517 (-106)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:20:42
Pace6:09 /mi
2nd Half
Distance13.11 mi
Time1:25:11
Pace6:30 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:5019:006:0719:00
6:07
-
10K
6.21 mi10:40:3137:416:0418:41
6:01
-0:06
15K
9.32 mi10:59:3156:416:0519:00
6:07
+0:06
20K
12.43 mi11:19:121:16:226:0919:41
6:20
+0:13
Half
13.11 mi11:23:321:20:426:094:20
6:21
+0:01
25K
15.53 mi11:38:511:36:016:1115:19
6:19
-0:02
30K
18.64 mi11:58:451:55:556:1319:54
6:24
+0:05
20M
20.00 mi12:07:332:04:436:148:48
6:29
+0:05
21M
21.00 mi12:14:332:11:436:167:00
7:00
+0:31
35K
21.75 mi12:18:552:16:056:154:22
5:50
-1:10
23M
23.00 mi12:26:562:24:066:168:01
6:24
+0:34
24M
24.00 mi12:33:172:30:276:166:21
6:21
-0:03
40K
24.85 mi12:38:562:36:066:175:39
6:36
+0:15
25.2M
25.20 mi12:41:332:38:436:182:37
7:35
+0:59
Finish
26.22 mi12:48:432:45:536:207:10
7:02
-0:33

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

5:50 /mi

Average Pace

6:20 /mi

Slowest Pace

7:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:01:03

37% of race

Time at Steady Pace

1:22:24

50% of race

Time at Slower Pace

22:26

14% of race

Average Pace: 6:20 /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 mi10:21:5019:006:0719:00
6:07
#1467
10K
6.21 mi10:40:3137:416:0418:41
6:01
#1282
15K
9.32 mi10:59:3156:416:0519:00
6:07
#1322
20K
12.43 mi11:19:121:16:226:0919:41
6:20
#1511
Half
13.11 mi11:23:321:20:426:094:20
6:21
#1566
25K
15.53 mi11:38:511:36:016:1115:19
6:19
#1606
30K
18.64 mi11:58:451:55:556:1319:54
6:24
#1573
20M
20.00 mi12:07:332:04:436:148:48
6:29
#1535
21M
21.00 mi12:14:332:11:436:167:00
7:00
#1551
35K
21.75 mi12:18:552:16:056:154:22
5:50
#1464
23M
23.00 mi12:26:562:24:066:168:01
6:24
#1398
24M
24.00 mi12:33:172:30:276:166:21
6:21
#1378
40K
24.85 mi12:38:562:36:066:175:39
6:36
#1385
25.2M
25.20 mi12:41:332:38:436:182:37
7:35
#1411
Finish
26.22 mi12:48:432:45:536:207:10
7:02
#1517
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1467139813981461(Top 5%)1390(Top 9%)1390(Top 25%)
10K6.21 mi3.10 mi1282+1851219+1791219+1791139(Top 4%)1077(Top 7%)1077(Top 19%)
15K9.32 mi3.11 mi1322-401257-381257-381461(Top 5%)1390(Top 9%)1390(Top 25%)
20K12.43 mi3.11 mi1511-1891436-1791436-1792178(Top 8%)2077(Top 13%)2077(Top 37%)
Half13.11 mi0.68 mi1566-551487-511487-512731(Top 10%)2607(Top 16%)2607(Top 46%)
25K15.53 mi2.42 mi1606-401523-361523-361934(Top 7%)1840(Top 11%)1840(Top 33%)
30K18.64 mi3.11 mi1573+331490+331490+331578(Top 6%)1495(Top 9%)1495(Top 26%)
20M20.00 mi1.36 mi1535+381454+361454+361532(Top 5%)1447(Top 9%)1447(Top 26%)
21M21.00 mi1.00 mi1551-161468-141468-142231(Top 8%)2082(Top 13%)2082(Top 37%)
35K21.75 mi0.75 mi1464+871384+841384+84437(Top 2%)409(Top 3%)409(Top 7%)
23M23.00 mi1.25 mi1398+661320+641320+641146(Top 4%)1082(Top 7%)1082(Top 19%)
24M24.00 mi1.00 mi1378+201299+211299+211472(Top 5%)1376(Top 9%)1376(Top 24%)
40K24.85 mi0.85 mi1385-71306-71306-71978(Top 7%)1821(Top 11%)1821(Top 32%)
25.2M25.20 mi0.35 mi1411-261331-251331-253716(Top 13%)3198(Top 20%)3198(Top 57%)
Finish26.22 mi1.02 mi1517-1061434-1031434-1035892(Top 21%)4650(Top 29%)4650(Top 82%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1461

Males

1390

M18-39

1390

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1139

Males

1077

M18-39

1077

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1461

Males

1390

M18-39

1390

15K→20K

9.3 - 12.4 mi

Top 8%
×5stories
+106ft-86ft

Overall

2178

Males

2077

M18-39

2077

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2731

Males

2607

M18-39

2607

Half→25K

13.1 - 15.5 mi

Top 7%
×4stories
+66ft-88ft

Overall

1934

Males

1840

M18-39

1840

25K→30K

15.5 - 18.6 mi

Top 6%
×9stories
+181ft-148ft

Overall

1578

Males

1495

M18-39

1495

30K→20M

18.6 - 20.0 mi

Top 5%
×5stories
+64ft-50ft

Overall

1532

Males

1447

M18-39

1447

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2231

Males

2082

M18-39

2082

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

437

Males

409

M18-39

409

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1146

Males

1082

M18-39

1082

23M→24M

23.0 - 24.0 mi

Top 5%
×6stories
+12ft-82ft

Overall

1472

Males

1376

M18-39

1376

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1978

Males

1821

M18-39

1821

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3716

Males

3198

M18-39

3198

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5892

Males

4650

M18-39

4650

Passing Analysis

Category:
Athletes Passed
659
Passed By
709
Net Change
-50
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1467
5K → 10K19914+185#1467#1282
10K → 15K2969-40#1282#1322
15K → 20K16205-189#1322#1511
20K → Half257-55#1511#1566
Half → 25K2767-40#1566#1606
25K → 30K8350+33#1606#1573
30K → 20M5214+38#1573#1535
20M → 21M2844-16#1535#1551
21M → 35K870+87#1551#1464
35K → 23M7812+66#1464#1398
23M → 24M3616+20#1398#1378
24M → 40K1421-7#1378#1385
40K → 25.2M329-26#1385#1411
25.2M → Finish5111-106#1411#1517
TOTALS659709-50
📊

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