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BOSTON MARATHON 2025

Courtney Marsolais

Bib: 30008•F

MA

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
29:20
Rank: #24047
Start → 5K
29:20 | 9:26/mi
10K· 6.21 mi
59:23
Rank: #24345 (-298)
5K → 10K
30:03 | 9:40/mi
15K· 9.32 mi
1:30:57
Rank: #24729 (-384)
10K → 15K
31:34 | 10:10/mi
20K· 12.43 mi
2:03:13
Rank: #24796 (-67)
15K → 20K
32:16 | 10:23/mi
Half· 13.11 mi
2:10:06
Rank: #24808 (-12)
20K → Half
6:53 | 10:05/mi
25K· 15.53 mi
2:36:57
Rank: #24942 (-134)
Half → 25K
26:51 | 11:04/mi
30K· 18.64 mi
3:11:59
Rank: #24865 (+77)
25K → 30K
35:02 | 11:17/mi
20M
3:26:47
Rank: #24760 (+105)
30K → 20M
14:48 | 10:53/mi
21M
3:37:51
Rank: #24621 (+139)
20M → 21M
11:04 | 11:04/mi
35K· 21.75 mi
3:45:13
Rank: #24535 (+86)
21M → 35K
7:22 | 9:51/mi
23M
4:00:44
Rank: #24632 (-97)
35K → 23M
15:31 | 12:24/mi
24M
4:11:36
Rank: #24585 (+47)
23M → 24M
10:52 | 10:52/mi
40K· 24.85 mi
4:20:54
Rank: #24535 (+50)
24M → 40K
9:18 | 10:53/mi
25.2M
4:25:31
Rank: #24550 (-15)
40K → 25.2M
4:37 | 13:23/mi
Finish· 26.22 mi
4:35:45
Rank: #24511 (+39)
25.2M → Finish
10:14 | 10:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:10:06
Pace9:55 /mi
2nd Half
Distance13.11 mi
Time2:25:39
Pace11:07 /mi
📊Positive Split: 12.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:5329:209:2629:20
9:26
-
10K
6.21 mi12:22:5659:239:3330:03
9:40
+0:14
15K
9.32 mi12:54:301:30:579:4531:34
10:10
+0:30
20K
12.43 mi13:26:462:03:139:5532:16
10:23
+0:13
Half
13.11 mi13:33:392:10:069:556:53
10:05
-0:18
25K
15.53 mi14:00:302:36:5710:0626:51
11:04
+0:59
30K
18.64 mi14:35:323:11:5910:1835:02
11:17
+0:13
20M
20.00 mi14:50:203:26:4710:2014:48
10:53
-0:24
21M
21.00 mi15:01:243:37:5110:2211:04
11:04
+0:11
35K
21.75 mi15:08:463:45:1310:217:22
9:51
-1:13
23M
23.00 mi15:24:174:00:4410:2815:31
12:24
+2:33
24M
24.00 mi15:35:094:11:3610:2910:52
10:52
-1:32
40K
24.85 mi15:44:274:20:5410:309:18
10:53
+0:01
25.2M
25.20 mi15:49:044:25:3110:324:37
13:23
+2:30
Finish
26.22 mi15:59:184:35:4510:3110:14
10:03
-3:20

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

9:26 /mi

Average Pace

10:31 /mi

Slowest Pace

13:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:26

42% of race

Time at Steady Pace

2:20:11

51% of race

Time at Slower Pace

20:08

7% of race

Average Pace: 10:31 /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 mi11:52:5329:209:2629:20
9:26
#24047
10K
6.21 mi12:22:5659:239:3330:03
9:40
#24345
15K
9.32 mi12:54:301:30:579:4531:34
10:10
#24729
20K
12.43 mi13:26:462:03:139:5532:16
10:23
#24796
Half
13.11 mi13:33:392:10:069:556:53
10:05
#24808
25K
15.53 mi14:00:302:36:5710:0626:51
11:04
#24942
30K
18.64 mi14:35:323:11:5910:1835:02
11:17
#24865
20M
20.00 mi14:50:203:26:4710:2014:48
10:53
#24760
21M
21.00 mi15:01:243:37:5110:2211:04
11:04
#24621
35K
21.75 mi15:08:463:45:1310:217:22
9:51
#24535
23M
23.00 mi15:24:174:00:4410:2815:31
12:24
#24632
24M
24.00 mi15:35:094:11:3610:2910:52
10:52
#24585
40K
24.85 mi15:44:274:20:5410:309:18
10:53
#24535
25.2M
25.20 mi15:49:044:25:3110:324:37
13:23
#24550
Finish
26.22 mi15:59:184:35:4510:3110:14
10:03
#24511
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi240479722972225340(Top 89%)10426(Top 85%)10426(Top 191%)
10K6.21 mi3.10 mi24345-2989869-1479869-14724549(Top 86%)9988(Top 82%)9988(Top 183%)
15K9.32 mi3.11 mi24729-38410075-20610075-20625340(Top 89%)10426(Top 85%)10426(Top 191%)
20K12.43 mi3.11 mi24796-6710120-4510120-4524997(Top 88%)10256(Top 84%)10256(Top 188%)
Half13.11 mi0.68 mi24808-1210127-710127-725026(Top 88%)10273(Top 84%)10273(Top 188%)
25K15.53 mi2.42 mi24942-13410218-9110218-9125317(Top 89%)10472(Top 86%)10472(Top 191%)
30K18.64 mi3.11 mi24865+7710203+1510203+1524507(Top 86%)10135(Top 83%)10135(Top 185%)
20M20.00 mi1.36 mi24760+10510164+3910164+3923392(Top 82%)9627(Top 79%)9627(Top 176%)
21M21.00 mi1.00 mi24621+13910098+6610098+6621609(Top 76%)8776(Top 72%)8776(Top 160%)
35K21.75 mi0.75 mi24535+8610064+3410064+3421498(Top 76%)8782(Top 72%)8782(Top 161%)
23M23.00 mi1.25 mi24632-9710134-7010134-7025656(Top 90%)10934(Top 89%)10934(Top 200%)
24M24.00 mi1.00 mi24585+4710121+1310121+1323716(Top 83%)9987(Top 82%)9987(Top 183%)
40K24.85 mi0.85 mi24535+5010104+1710104+1722872(Top 81%)9639(Top 79%)9639(Top 176%)
25.2M25.20 mi0.35 mi24550-1510112-810112-825553(Top 90%)10971(Top 90%)10971(Top 201%)
Finish26.22 mi1.02 mi24511+3910104+810104+823080(Top 81%)9705(Top 79%)9705(Top 177%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

25340

Females

10426

F18-39

10426

5K→10K

3.1 - 6.2 mi

Top 86%
×5stories
+79ft-138ft

Overall

24549

Females

9988

F18-39

9988

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

25340

Females

10426

F18-39

10426

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

24997

Females

10256

F18-39

10256

20K→Half

12.4 - 13.1 mi

Top 88%
×2stories
+19ft-37ft

Overall

25026

Females

10273

F18-39

10273

Half→25K

13.1 - 15.5 mi

Top 89%
×4stories
+66ft-88ft

Overall

25317

Females

10472

F18-39

10472

25K→30K

15.5 - 18.6 mi

Top 86%
×9stories
+181ft-148ft

Overall

24507

Females

10135

F18-39

10135

30K→20M

18.6 - 20.0 mi

Top 82%
×5stories
+64ft-50ft

Overall

23392

Females

9627

F18-39

9627

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

21609

Females

8776

F18-39

8776

21M→35K

21.0 - 21.8 mi

Top 76%
×7stories
+17ft-86ft

Overall

21498

Females

8782

F18-39

8782

35K→23M

21.8 - 23.0 mi

Top 90%
×5stories
+23ft-63ft

Overall

25656

Females

10934

F18-39

10934

23M→24M

23.0 - 24.0 mi

Top 83%
×6stories
+12ft-82ft

Overall

23716

Females

9987

F18-39

9987

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

22872

Females

9639

F18-39

9639

40K→25.2M

24.9 - 25.2 mi

Top 90%
×1story
+13ft-16ft

Overall

25553

Females

10971

F18-39

10971

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2stories
+22ft-21ft

Overall

23080

Females

9705

F18-39

9705

Passing Analysis

Category:
Athletes Passed
1099
Passed By
1563
Net Change
-464
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24047
5K → 10K129427-298#24047#24345
10K → 15K41425-384#24345#24729
15K → 20K118185-67#24729#24796
20K → Half1931-12#24796#24808
Half → 25K62196-134#24808#24942
25K → 30K16487+77#24942#24865
30K → 20M11813+105#24865#24760
20M → 21M1445+139#24760#24621
21M → 35K893+86#24621#24535
35K → 23M29126-97#24535#24632
23M → 24M6114+47#24632#24585
24M → 40K6414+50#24585#24535
40K → 25.2M722-15#24535#24550
25.2M → Finish5415+39#24550#24511
TOTALS10991563-464
📊

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