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BOSTON MARATHON 2025

Sergi Casals

Bib: 7103•M

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 25%
Gender (Male)
#0 / 16105
Top 37%
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
21:08
Rank: #6321
Start → 5K
21:08 | 6:48/mi
10K· 6.21 mi
42:20
Rank: #6422 (-101)
5K → 10K
21:12 | 6:49/mi
15K· 9.32 mi
1:03:46
Rank: #6585 (-163)
10K → 15K
21:26 | 6:54/mi
20K· 12.43 mi
1:25:19
Rank: #6540 (+45)
15K → 20K
21:33 | 6:56/mi
Half· 13.11 mi
1:29:58
Rank: #6522 (+18)
20K → Half
4:39 | 6:49/mi
25K· 15.53 mi
1:47:02
Rank: #6496 (+26)
Half → 25K
17:04 | 7:02/mi
30K· 18.64 mi
2:10:30
Rank: #6670 (-174)
25K → 30K
23:28 | 7:33/mi
20M
2:21:00
Rank: #6711 (-41)
30K → 20M
10:30 | 7:44/mi
21M
2:29:18
Rank: #6752 (-41)
20M → 21M
8:18 | 8:18/mi
35K· 21.75 mi
2:34:57
Rank: #6786 (-34)
21M → 35K
5:39 | 7:33/mi
23M
2:45:13
Rank: #6999 (-213)
35K → 23M
10:16 | 8:12/mi
24M
2:52:58
Rank: #7053 (-54)
23M → 24M
7:45 | 7:45/mi
40K· 24.85 mi
2:59:41
Rank: #7078 (-25)
24M → 40K
6:43 | 7:51/mi
25.2M
3:02:34
Rank: #7074 (+4)
40K → 25.2M
2:53 | 8:22/mi
Finish· 26.22 mi
3:09:44
Rank: #6979 (+95)
25.2M → Finish
7:10 | 7:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:58
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
📊Positive Split: 10.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:1721:086:4821:08
6:48
-
10K
6.21 mi10:48:2942:206:4921:12
6:49
+0:01
15K
9.32 mi11:09:551:03:466:5021:26
6:54
+0:05
20K
12.43 mi11:31:281:25:196:5221:33
6:56
+0:02
Half
13.11 mi11:36:071:29:586:524:39
6:49
-0:07
25K
15.53 mi11:53:111:47:026:5317:04
7:02
+0:13
30K
18.64 mi12:16:392:10:307:0023:28
7:33
+0:31
20M
20.00 mi12:27:092:21:007:0310:30
7:44
+0:11
21M
21.00 mi12:35:272:29:187:078:18
8:18
+0:34
35K
21.75 mi12:41:062:34:577:075:39
7:33
-0:45
23M
23.00 mi12:51:222:45:137:1110:16
8:12
+0:39
24M
24.00 mi12:59:072:52:587:127:45
7:45
-0:27
40K
24.85 mi13:05:502:59:417:146:43
7:51
+0:06
25.2M
25.20 mi13:08:433:02:347:152:53
8:22
+0:31
Finish
26.22 mi13:15:533:09:447:157:10
7:02
-1:20

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

6:48 /mi

Average Pace

7:15 /mi

Slowest Pace

8:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:12

60% of race

Time at Steady Pace

47:22

25% of race

Time at Slower Pace

28:10

15% of race

Average Pace: 7:14 /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 mi10:27:1721:086:4821:08
6:48
#6321
10K
6.21 mi10:48:2942:206:4921:12
6:49
#6422
15K
9.32 mi11:09:551:03:466:5021:26
6:54
#6585
20K
12.43 mi11:31:281:25:196:5221:33
6:56
#6540
Half
13.11 mi11:36:071:29:586:524:39
6:49
#6522
25K
15.53 mi11:53:111:47:026:5317:04
7:02
#6496
30K
18.64 mi12:16:392:10:307:0023:28
7:33
#6670
20M
20.00 mi12:27:092:21:007:0310:30
7:44
#6711
21M
21.00 mi12:35:272:29:187:078:18
8:18
#6752
35K
21.75 mi12:41:062:34:577:075:39
7:33
#6786
23M
23.00 mi12:51:222:45:137:1110:16
8:12
#6999
24M
24.00 mi12:59:072:52:587:127:45
7:45
#7053
40K
24.85 mi13:05:502:59:417:146:43
7:51
#7078
25.2M
25.20 mi13:08:433:02:347:152:53
8:22
#7074
Finish
26.22 mi13:15:533:09:447:157:10
7:02
#6979
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6321577657766937(Top 24%)6201(Top 39%)6201(Top 110%)
10K6.21 mi3.10 mi6422-1015854-785854-786638(Top 23%)5993(Top 37%)5993(Top 106%)
15K9.32 mi3.11 mi6585-1635949-955949-956937(Top 24%)6201(Top 39%)6201(Top 110%)
20K12.43 mi3.11 mi6540+455912+375912+376463(Top 23%)5794(Top 36%)5794(Top 103%)
Half13.11 mi0.68 mi6522+185891+215891+216248(Top 22%)5633(Top 35%)5633(Top 100%)
25K15.53 mi2.42 mi6496+265865+265865+266556(Top 23%)5801(Top 36%)5801(Top 103%)
30K18.64 mi3.11 mi6670-1745959-945959-948097(Top 29%)6641(Top 41%)6641(Top 118%)
20M20.00 mi1.36 mi6711-415970-115970-118500(Top 30%)6718(Top 42%)6718(Top 119%)
21M21.00 mi1.00 mi6752-415977-75977-79177(Top 32%)6907(Top 43%)6907(Top 122%)
35K21.75 mi0.75 mi6786-345988-115988-118940(Top 31%)6802(Top 42%)6802(Top 121%)
23M23.00 mi1.25 mi6999-2136098-1106098-11011329(Top 40%)7896(Top 49%)7896(Top 140%)
24M24.00 mi1.00 mi7053-546101-36101-39413(Top 33%)6847(Top 43%)6847(Top 121%)
40K24.85 mi0.85 mi7078-256082+196082+199126(Top 32%)6573(Top 41%)6573(Top 117%)
25.2M25.20 mi0.35 mi7074+46065+176065+177881(Top 28%)5822(Top 36%)5822(Top 103%)
Finish26.22 mi1.02 mi6979+955980+855980+855921(Top 21%)4679(Top 29%)4679(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21stories
+97ft-345ft

Overall

6937

Males

6201

M18-39

6201

5K→10K

3.1 - 6.2 mi

Top 23%
×5stories
+79ft-138ft

Overall

6638

Males

5993

M18-39

5993

10K→15K

6.2 - 9.3 mi

Top 24%
×3stories
+67ft-78ft

Overall

6937

Males

6201

M18-39

6201

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6463

Males

5794

M18-39

5794

20K→Half

12.4 - 13.1 mi

Top 22%
×2stories
+19ft-37ft

Overall

6248

Males

5633

M18-39

5633

Half→25K

13.1 - 15.5 mi

Top 23%
×4stories
+66ft-88ft

Overall

6556

Males

5801

M18-39

5801

25K→30K

15.5 - 18.6 mi

Top 29%
×9stories
+181ft-148ft

Overall

8097

Males

6641

M18-39

6641

30K→20M

18.6 - 20.0 mi

Top 30%
×5stories
+64ft-50ft

Overall

8500

Males

6718

M18-39

6718

20M→21M

20.0 - 21.0 mi

Top 32%
×8stories
+106ft-24ft

Overall

9177

Males

6907

M18-39

6907

21M→35K

21.0 - 21.8 mi

Top 31%
×7stories
+17ft-86ft

Overall

8940

Males

6802

M18-39

6802

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

11329

Males

7896

M18-39

7896

23M→24M

23.0 - 24.0 mi

Top 33%
×6stories
+12ft-82ft

Overall

9413

Males

6847

M18-39

6847

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9126

Males

6573

M18-39

6573

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7881

Males

5822

M18-39

5822

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5921

Males

4679

M18-39

4679

Passing Analysis

Category:
Athletes Passed
1192
Passed By
1850
Net Change
-658
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6321
5K → 10K144245-101#6321#6422
10K → 15K103266-163#6422#6585
15K → 20K160115+45#6585#6540
20K → Half3820+18#6540#6522
Half → 25K139113+26#6522#6496
25K → 30K135309-174#6496#6670
30K → 20M74115-41#6670#6711
20M → 21M61102-41#6711#6752
21M → 35K3569-34#6752#6786
35K → 23M52265-213#6786#6999
23M → 24M47101-54#6999#7053
24M → 40K5782-25#7053#7078
40K → 25.2M2622+4#7078#7074
25.2M → Finish12126+95#7074#6979
TOTALS11921850-658
📊

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