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BOSTON MARATHON 2025

Alex Corrado

Bib: 26082•F

CA

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
31:33
Rank: #25955
Start → 5K
10:09/mi
31:33 split
10K· 6.21 mi
1:04:16
Rank: #26172 (-217)
5K → 10K
10:32/mi
32:43 split
15K· 9.32 mi
1:36:54
Rank: #26075 (+97)
10K → 15K
10:30/mi
32:38 split
20K· 12.43 mi
2:10:23
Rank: #25962 (+113)
15K → 20K
10:47/mi
33:29 split
Half· 13.11 mi
2:17:32
Rank: #25938 (+24)
20K → Half
10:29/mi
7:09 split
25K· 15.53 mi
2:44:18
Rank: #25835 (+103)
Half → 25K
11:02/mi
26:46 split
30K· 18.64 mi
3:19:37
Rank: #25605 (+230)
25K → 30K
11:22/mi
35:19 split
20M
3:34:48
Rank: #25490 (+115)
30K → 20M
11:10/mi
15:11 split
21M
3:47:21
Rank: #25442 (+48)
20M → 21M
12:33/mi
12:33 split
35K· 21.75 mi
3:55:48
Rank: #25425 (+17)
21M → 35K
11:18/mi
8:27 split
23M
4:10:31
Rank: #25376 (+49)
35K → 23M
11:45/mi
14:43 split
24M
4:22:02
Rank: #25362 (+14)
23M → 24M
11:31/mi
11:31 split
40K· 24.85 mi
4:31:55
Rank: #25318 (+44)
24M → 40K
11:34/mi
9:53 split
25.2M
4:36:05
Rank: #25299 (+19)
40K → 25.2M
12:05/mi
4:10 split
Finish· 26.22 mi
4:47:02
Rank: #25299
25.2M → Finish
10:45/mi
10:57 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:17:32
Pace10:29 /mi
2nd Half
Distance13.11 mi
Time2:29:30
Pace11:24 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5731:3310:0931:33
10:09
-
10K
6.21 mi12:19:401:04:1610:2132:43
10:32
+0:23
15K
9.32 mi12:52:181:36:5410:2432:38
10:30
-0:02
20K
12.43 mi13:25:472:10:2310:2933:29
10:47
+0:17
Half
13.11 mi13:32:562:17:3210:297:09
10:29
-0:18
25K
15.53 mi13:59:422:44:1810:3526:46
11:02
+0:33
30K
18.64 mi14:35:013:19:3710:4335:19
11:22
+0:20
20M
20.00 mi14:50:123:34:4810:4415:11
11:10
-0:12
21M
21.00 mi15:02:453:47:2110:5012:33
12:33
+1:23
35K
21.75 mi15:11:123:55:4810:518:27
11:18
-1:15
23M
23.00 mi15:25:554:10:3110:5414:43
11:45
+0:27
24M
24.00 mi15:37:264:22:0210:5511:31
11:31
-0:14
40K
24.85 mi15:47:194:31:5510:569:53
11:34
+0:03
25.2M
25.20 mi15:51:294:36:0510:574:10
12:05
+0:31
Finish
26.22 mi16:02:264:47:0210:5710:57
10:45
-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

10:09 /mi

Average Pace

10:57 /mi

Slowest Pace

12:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:29

52% of race

Time at Steady Pace

1:25:43

30% of race

Time at Slower Pace

52:50

18% of race

Average Pace: 10:57 /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 mi11:46:5731:3310:0931:33
10:09
#25955
10K
6.21 mi12:19:401:04:1610:2132:43
10:32
#26172
15K
9.32 mi12:52:181:36:5410:2432:38
10:30
#26075
20K
12.43 mi13:25:472:10:2310:2933:29
10:47
#25962
Half
13.11 mi13:32:562:17:3210:297:09
10:29
#25938
25K
15.53 mi13:59:422:44:1810:3526:46
11:02
#25835
30K
18.64 mi14:35:013:19:3710:4335:19
11:22
#25605
20M
20.00 mi14:50:123:34:4810:4415:11
11:10
#25490
21M
21.00 mi15:02:453:47:2110:5012:33
12:33
#25442
35K
21.75 mi15:11:123:55:4810:518:27
11:18
#25425
23M
23.00 mi15:25:554:10:3110:5414:43
11:45
#25376
24M
24.00 mi15:37:264:22:0210:5511:31
11:31
#25362
40K
24.85 mi15:47:194:31:5510:569:53
11:34
#25318
25.2M
25.20 mi15:51:294:36:0510:574:10
12:05
#25299
Finish
26.22 mi16:02:264:47:0210:5710:57
10:45
#25299
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25955107331073325939(Top 91%)10755(Top 88%)10755(Top 197%)
10K6.21 mi3.10 mi26172-21710864-13110864-13126321(Top 93%)10967(Top 90%)10967(Top 201%)
15K9.32 mi3.11 mi26075+9710822+4210822+4225939(Top 91%)10755(Top 88%)10755(Top 197%)
20K12.43 mi3.11 mi25962+11310766+5610766+5625669(Top 90%)10625(Top 87%)10625(Top 194%)
Half13.11 mi0.68 mi25938+2410756+1010756+1025742(Top 91%)10685(Top 87%)10685(Top 195%)
25K15.53 mi2.42 mi25835+10310708+4810708+4825253(Top 89%)10440(Top 85%)10440(Top 191%)
30K18.64 mi3.11 mi25605+23010619+8910619+8924639(Top 87%)10200(Top 83%)10200(Top 187%)
20M20.00 mi1.36 mi25490+11510568+5110568+5123922(Top 84%)9920(Top 81%)9920(Top 181%)
21M21.00 mi1.00 mi25442+4810557+1110557+1124450(Top 86%)10266(Top 84%)10266(Top 188%)
35K21.75 mi0.75 mi25425+1710555+210555+224739(Top 87%)10449(Top 85%)10449(Top 191%)
23M23.00 mi1.25 mi25376+4910542+1310542+1324670(Top 87%)10434(Top 85%)10434(Top 191%)
24M24.00 mi1.00 mi25362+1410537+510537+524914(Top 88%)10589(Top 87%)10589(Top 194%)
40K24.85 mi0.85 mi25318+4410521+1610521+1624222(Top 85%)10282(Top 84%)10282(Top 188%)
25.2M25.20 mi0.35 mi25299+1910514+710514+723348(Top 82%)9845(Top 81%)9845(Top 180%)
Finish26.22 mi1.02 mi2529910521-710521-724810(Top 87%)10570(Top 86%)10570(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 91%
×21story building
+97ft-345ft

Overall

25939

Females

10755

F18-39

10755

5K→10K

3.1 - 6.2 mi

Top 93%
×5story building
+79ft-138ft

Overall

26321

Females

10967

F18-39

10967

10K→15K

6.2 - 9.3 mi

Top 91%
×3story building
+67ft-78ft

Overall

25939

Females

10755

F18-39

10755

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

25669

Females

10625

F18-39

10625

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

25742

Females

10685

F18-39

10685

Half→25K

13.1 - 15.5 mi

Top 89%
×4story building
+66ft-88ft

Overall

25253

Females

10440

F18-39

10440

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24639

Females

10200

F18-39

10200

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

23922

Females

9920

F18-39

9920

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

24450

Females

10266

F18-39

10266

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

24739

Females

10449

F18-39

10449

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

24670

Females

10434

F18-39

10434

23M→24M

23.0 - 24.0 mi

Top 88%
×6story building
+12ft-82ft

Overall

24914

Females

10589

F18-39

10589

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

24222

Females

10282

F18-39

10282

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

23348

Females

9845

F18-39

9845

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

24810

Females

10570

F18-39

10570

Passing Analysis

Category:
Athletes Passed
1314
Passed By
658
Net Change
+656
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25955
5K → 10K93310-217#25955#26172
10K → 15K17073+97#26172#26075
15K → 20K17663+113#26075#25962
20K → Half3410+24#25962#25938
Half → 25K15148+103#25938#25835
25K → 30K25121+230#25835#25605
30K → 20M1216+115#25605#25490
20M → 21M7123+48#25490#25442
21M → 35K2710+17#25442#25425
35K → 23M7324+49#25425#25376
23M → 24M4228+14#25376#25362
24M → 40K5612+44#25362#25318
40K → 25.2M212+19#25318#25299
25.2M → Finish28280#25299#25299
TOTALS1314658+656
📊

Passing Visuals

Category:
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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