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BOSTON MARATHON 2023

Courtney Marsolais

Bib: 25643•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
29:02
Rank: #21667
Start → 5K
29:02 | 9:21/mi
10K· 6.21 mi
57:26
Rank: #21542 (+125)
5K → 10K
28:24 | 9:08/mi
15K· 9.32 mi
1:25:26
Rank: #21253 (+289)
10K → 15K
28:00 | 9:01/mi
20K· 12.43 mi
1:53:29
Rank: #20919 (+334)
15K → 20K
28:03 | 9:02/mi
Half· 13.11 mi
1:59:33
Rank: #20864 (+55)
20K → Half
6:04 | 8:54/mi
25K· 15.53 mi
2:22:13
Rank: #20787 (+77)
Half → 25K
22:40 | 9:21/mi
30K· 18.64 mi
2:52:32
Rank: #20651 (+136)
25K → 30K
30:19 | 9:45/mi
20M
3:05:20
Rank: #20508 (+143)
30K → 20M
12:48 | 9:25/mi
21M
3:15:28
Rank: #20356 (+152)
20M → 21M
10:08 | 10:08/mi
35K· 21.75 mi
3:22:14
Rank: #20280 (+76)
21M → 35K
6:46 | 9:03/mi
23M
3:34:03
Rank: #20152 (+128)
35K → 23M
11:49 | 9:26/mi
24M
3:43:00
Rank: #20049 (+103)
23M → 24M
8:57 | 8:57/mi
40K· 24.85 mi
3:50:58
Rank: #19952 (+97)
24M → 40K
7:58 | 9:19/mi
25.2M
3:54:27
Rank: #19919 (+33)
40K → 25.2M
3:29 | 10:06/mi
Finish· 26.22 mi
4:03:39
Rank: #19850 (+69)
25.2M → Finish
9:12 | 9:02/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:59:33
Pace9:07 /mi
2nd Half
Distance13.11 mi
Time2:04:06
Pace9:28 /mi
📊Positive Split: 3.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:0829:029:2129:02
9:21
-
10K
6.21 mi12:21:3257:269:1528:24
9:08
-0:13
15K
9.32 mi12:49:321:25:269:1028:00
9:01
-0:07
20K
12.43 mi13:17:351:53:299:0828:03
9:02
+0:01
Half
13.11 mi13:23:391:59:339:076:04
8:54
-0:08
25K
15.53 mi13:46:192:22:139:0922:40
9:21
+0:27
30K
18.64 mi14:16:382:52:329:1530:19
9:45
+0:24
20M
20.00 mi14:29:263:05:209:1612:48
9:25
-0:20
21M
21.00 mi14:39:343:15:289:1810:08
10:08
+0:43
35K
21.75 mi14:46:203:22:149:186:46
9:03
-1:05
23M
23.00 mi14:58:093:34:039:1811:49
9:26
+0:23
24M
24.00 mi15:07:063:43:009:188:57
8:57
-0:29
40K
24.85 mi15:15:043:50:589:187:58
9:19
+0:22
25.2M
25.20 mi15:18:333:54:279:183:29
10:06
+0:47
Finish
26.22 mi15:27:454:03:399:189:12
9:02
-1:04

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

8:54 /mi

Average Pace

9:18 /mi

Slowest Pace

10:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:50:02

94% of race

Time at Steady Pace

13:37

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:18 /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 mi11:53:0829:029:2129:02
9:21
#21667
10K
6.21 mi12:21:3257:269:1528:24
9:08
#21542
15K
9.32 mi12:49:321:25:269:1028:00
9:01
#21253
20K
12.43 mi13:17:351:53:299:0828:03
9:02
#20919
Half
13.11 mi13:23:391:59:339:076:04
8:54
#20864
25K
15.53 mi13:46:192:22:139:0922:40
9:21
#20787
30K
18.64 mi14:16:382:52:329:1530:19
9:45
#20651
20M
20.00 mi14:29:263:05:209:1612:48
9:25
#20508
21M
21.00 mi14:39:343:15:289:1810:08
10:08
#20356
35K
21.75 mi14:46:203:22:149:186:46
9:03
#20280
23M
23.00 mi14:58:093:34:039:1811:49
9:26
#20152
24M
24.00 mi15:07:063:43:009:188:57
8:57
#20049
40K
24.85 mi15:15:043:50:589:187:58
9:19
#19952
25.2M
25.20 mi15:18:333:54:279:183:29
10:06
#19919
Finish
26.22 mi15:27:454:03:399:189:12
9:02
#19850
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi216678726872620565(Top 77%)7993(Top 70%)7993(Top 164%)
10K6.21 mi3.10 mi21542+1258600+1268600+12621448(Top 81%)8527(Top 75%)8527(Top 175%)
15K9.32 mi3.11 mi21253+2898415+1858415+18520565(Top 77%)7993(Top 70%)7993(Top 164%)
20K12.43 mi3.11 mi20919+3348229+1868229+18619849(Top 75%)7588(Top 66%)7588(Top 155%)
Half13.11 mi0.68 mi20864+558192+378192+3719983(Top 75%)7656(Top 67%)7656(Top 157%)
25K15.53 mi2.42 mi20787+778141+518141+5120354(Top 76%)7903(Top 69%)7903(Top 162%)
30K18.64 mi3.11 mi20651+1368083+588083+5820326(Top 76%)7957(Top 70%)7957(Top 163%)
20M20.00 mi1.36 mi20508+1438027+568027+5618559(Top 70%)7061(Top 62%)7061(Top 145%)
21M21.00 mi1.00 mi20356+1527953+747953+7418512(Top 70%)7063(Top 62%)7063(Top 145%)
35K21.75 mi0.75 mi20280+767918+357918+3518117(Top 68%)6911(Top 61%)6911(Top 142%)
23M23.00 mi1.25 mi20152+1287855+637855+6318101(Top 68%)6928(Top 61%)6928(Top 142%)
24M24.00 mi1.00 mi20049+1037803+527803+5217035(Top 64%)6385(Top 56%)6385(Top 131%)
40K24.85 mi0.85 mi19952+977753+507753+5017642(Top 66%)6772(Top 59%)6772(Top 139%)
25.2M25.20 mi0.35 mi19919+337736+177736+1717846(Top 67%)6896(Top 60%)6896(Top 141%)
Finish26.22 mi1.02 mi19850+697703+337703+3318138(Top 68%)6976(Top 61%)6976(Top 143%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 77%
×21stories
+97ft-345ft

Overall

20565

Females

7993

F18-39

7993

5K→10K

3.1 - 6.2 mi

Top 81%
×5stories
+79ft-138ft

Overall

21448

Females

8527

F18-39

8527

10K→15K

6.2 - 9.3 mi

Top 77%
×3stories
+67ft-78ft

Overall

20565

Females

7993

F18-39

7993

15K→20K

9.3 - 12.4 mi

Top 75%
×5stories
+106ft-86ft

Overall

19849

Females

7588

F18-39

7588

20K→Half

12.4 - 13.1 mi

Top 75%
×2stories
+19ft-37ft

Overall

19983

Females

7656

F18-39

7656

Half→25K

13.1 - 15.5 mi

Top 76%
×4stories
+66ft-88ft

Overall

20354

Females

7903

F18-39

7903

25K→30K

15.5 - 18.6 mi

Top 76%
×9stories
+181ft-148ft

Overall

20326

Females

7957

F18-39

7957

30K→20M

18.6 - 20.0 mi

Top 70%
×5stories
+64ft-50ft

Overall

18559

Females

7061

F18-39

7061

20M→21M

20.0 - 21.0 mi

Top 70%
×8stories
+106ft-24ft

Overall

18512

Females

7063

F18-39

7063

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

18117

Females

6911

F18-39

6911

35K→23M

21.8 - 23.0 mi

Top 68%
×5stories
+23ft-63ft

Overall

18101

Females

6928

F18-39

6928

23M→24M

23.0 - 24.0 mi

Top 64%
×6stories
+12ft-82ft

Overall

17035

Females

6385

F18-39

6385

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17642

Females

6772

F18-39

6772

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17846

Females

6896

F18-39

6896

25.2M→Finish

25.2 - 26.2 mi

Top 68%
×2stories
+22ft-21ft

Overall

18138

Females

6976

F18-39

6976

Passing Analysis

Category:
Athletes Passed
2352
Passed By
535
Net Change
+1817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21667
5K → 10K349224+125#21667#21542
10K → 15K34657+289#21542#21253
15K → 20K36834+334#21253#20919
20K → Half605+55#20919#20864
Half → 25K13558+77#20864#20787
25K → 30K20973+136#20787#20651
30K → 20M16017+143#20651#20508
20M → 21M16614+152#20508#20356
21M → 35K815+76#20356#20280
35K → 23M14416+128#20280#20152
23M → 24M1107+103#20152#20049
24M → 40K1025+97#20049#19952
40K → 25.2M407+33#19952#19919
25.2M → Finish8213+69#19919#19850
TOTALS2352535+1817
📊

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