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BOSTON MARATHON 2025

Joan Carbonell Alberti

Bib: 1046•M

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 8%
Gender (Male)
#0 / 16105
Top 13%
Masters (Masters Men)
#0 / 10463
Top 3%
Division (M50-54)
#0 / 1996
Top 1%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:36
Rank: #1047
Start → 5K
18:36 | 5:59/mi
10K· 6.21 mi
37:51
Rank: #1390 (-343)
5K → 10K
19:15 | 6:12/mi
15K· 9.32 mi
57:30
Rank: #1697 (-307)
10K → 15K
19:39 | 6:19/mi
20K· 12.43 mi
1:17:29
Rank: #1920 (-223)
15K → 20K
19:59 | 6:26/mi
Half· 13.11 mi
1:21:49
Rank: #1959 (-39)
20K → Half
4:20 | 6:21/mi
25K· 15.53 mi
1:37:23
Rank: #2033 (-74)
Half → 25K
15:34 | 6:25/mi
30K· 18.64 mi
1:58:14
Rank: #2149 (-116)
25K → 30K
20:51 | 6:43/mi
20M
2:07:29
Rank: #2193 (-44)
30K → 20M
9:15 | 6:48/mi
21M
2:14:44
Rank: #2220 (-27)
20M → 21M
7:15 | 7:15/mi
35K· 21.75 mi
2:19:44
Rank: #2246 (-26)
21M → 35K
5:00 | 6:41/mi
23M
2:28:12
Rank: #2229 (+17)
35K → 23M
8:28 | 6:46/mi
24M
2:34:46
Rank: #2201 (+28)
23M → 24M
6:34 | 6:34/mi
40K· 24.85 mi
2:40:33
Rank: #2200 (+1)
24M → 40K
5:47 | 6:46/mi
25.2M
2:43:02
Rank: #2185 (+15)
40K → 25.2M
2:29 | 7:12/mi
Finish· 26.22 mi
2:49:23
Rank: #2147 (+38)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:21:49
Pace6:14 /mi
2nd Half
Distance13.11 mi
Time1:27:34
Pace6:41 /mi
📊Positive Split: 7.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4118:365:5918:36
5:59
-
10K
6.21 mi10:37:5637:516:0519:15
6:12
+0:13
15K
9.32 mi10:57:3557:306:1019:39
6:19
+0:07
20K
12.43 mi11:17:341:17:296:1419:59
6:26
+0:07
Half
13.11 mi11:21:541:21:496:144:20
6:21
-0:05
25K
15.53 mi11:37:281:37:236:1615:34
6:25
+0:04
30K
18.64 mi11:58:191:58:146:2120:51
6:43
+0:18
20M
20.00 mi12:07:342:07:296:229:15
6:48
+0:05
21M
21.00 mi12:14:492:14:446:257:15
7:15
+0:27
35K
21.75 mi12:19:492:19:446:265:00
6:41
-0:34
23M
23.00 mi12:28:172:28:126:278:28
6:46
+0:05
24M
24.00 mi12:34:512:34:466:276:34
6:34
-0:12
40K
24.85 mi12:40:382:40:336:285:47
6:46
+0:12
25.2M
25.20 mi12:43:072:43:026:282:29
7:12
+0:26
Finish
26.22 mi12:49:282:49:236:286:21
6:14
-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

5:59 /mi

Average Pace

6:28 /mi

Slowest Pace

7:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:08:11

40% of race

Time at Steady Pace

1:07:58

40% of race

Time at Slower Pace

33:14

20% of race

Average Pace: 6:28 /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 mi10:18:4118:365:5918:36
5:59
#1047
10K
6.21 mi10:37:5637:516:0519:15
6:12
#1390
15K
9.32 mi10:57:3557:306:1019:39
6:19
#1697
20K
12.43 mi11:17:341:17:296:1419:59
6:26
#1920
Half
13.11 mi11:21:541:21:496:144:20
6:21
#1959
25K
15.53 mi11:37:281:37:236:1615:34
6:25
#2033
30K
18.64 mi11:58:191:58:146:2120:51
6:43
#2149
20M
20.00 mi12:07:342:07:296:229:15
6:48
#2193
21M
21.00 mi12:14:492:14:446:257:15
7:15
#2220
35K
21.75 mi12:19:492:19:446:265:00
6:41
#2246
23M
23.00 mi12:28:172:28:126:278:28
6:46
#2229
24M
24.00 mi12:34:512:34:466:276:34
6:34
#2201
40K
24.85 mi12:40:382:40:336:285:47
6:46
#2200
25.2M
25.20 mi12:43:072:43:026:282:29
7:12
#2185
Finish
26.22 mi12:49:282:49:236:286:21
6:14
#2147
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi10479889882483(Top 9%)2368(Top 15%)2368(Top 119%)
10K6.21 mi3.10 mi1390-3431321-3331321-3331887(Top 7%)1794(Top 11%)1794(Top 90%)
15K9.32 mi3.11 mi1697-3071613-2921613-2922483(Top 9%)2368(Top 15%)2368(Top 119%)
20K12.43 mi3.11 mi1920-2231830-2171830-2172696(Top 9%)2566(Top 16%)2566(Top 129%)
Half13.11 mi0.68 mi1959-391869-391869-392743(Top 10%)2619(Top 16%)2619(Top 131%)
25K15.53 mi2.42 mi2033-741938-691938-692465(Top 9%)2343(Top 15%)2343(Top 117%)
30K18.64 mi3.11 mi2149-1162047-1092047-1092928(Top 10%)2756(Top 17%)2756(Top 138%)
20M20.00 mi1.36 mi2193-442091-442091-442937(Top 10%)2736(Top 17%)2736(Top 137%)
21M21.00 mi1.00 mi2220-272118-272118-273335(Top 12%)3057(Top 19%)3057(Top 153%)
35K21.75 mi0.75 mi2246-262140-222140-223350(Top 12%)3049(Top 19%)3049(Top 153%)
23M23.00 mi1.25 mi2229+172122+182122+182507(Top 9%)2318(Top 14%)2318(Top 116%)
24M24.00 mi1.00 mi2201+282094+282094+282318(Top 8%)2143(Top 13%)2143(Top 107%)
40K24.85 mi0.85 mi2200+12091+32091+32651(Top 9%)2408(Top 15%)2408(Top 121%)
25.2M25.20 mi0.35 mi2185+152076+152076+152099(Top 7%)1888(Top 12%)1888(Top 95%)
Finish26.22 mi1.02 mi2147+382037+392037+391617(Top 6%)1501(Top 9%)1501(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21stories
+97ft-345ft

Overall

2483

Males

2368

M50-54

2368

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1887

Males

1794

M50-54

1794

10K→15K

6.2 - 9.3 mi

Top 9%
×3stories
+67ft-78ft

Overall

2483

Males

2368

M50-54

2368

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2696

Males

2566

M50-54

2566

20K→Half

12.4 - 13.1 mi

Top 10%
×2stories
+19ft-37ft

Overall

2743

Males

2619

M50-54

2619

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2465

Males

2343

M50-54

2343

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2928

Males

2756

M50-54

2756

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2937

Males

2736

M50-54

2736

20M→21M

20.0 - 21.0 mi

Top 12%
×8stories
+106ft-24ft

Overall

3335

Males

3057

M50-54

3057

21M→35K

21.0 - 21.8 mi

Top 12%
×7stories
+17ft-86ft

Overall

3350

Males

3049

M50-54

3049

35K→23M

21.8 - 23.0 mi

Top 9%
×5stories
+23ft-63ft

Overall

2507

Males

2318

M50-54

2318

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2318

Males

2143

M50-54

2143

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2651

Males

2408

M50-54

2408

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

2099

Males

1888

M50-54

1888

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1617

Males

1501

M50-54

1501

Passing Analysis

Category:
Athletes Passed
400
Passed By
1500
Net Change
-1100
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1047
5K → 10K7350-343#1047#1390
10K → 15K6313-307#1390#1697
15K → 20K20243-223#1697#1920
20K → Half342-39#1920#1959
Half → 25K33107-74#1959#2033
25K → 30K46162-116#2033#2149
30K → 20M2771-44#2149#2193
20M → 21M3562-27#2193#2220
21M → 35K1339-26#2220#2246
35K → 23M5235+17#2246#2229
23M → 24M5022+28#2229#2201
24M → 40K3231+1#2201#2200
40K → 25.2M227+15#2200#2185
25.2M → Finish5416+38#2185#2147
TOTALS4001500-1100
📊

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