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BOSTON MARATHON 2023

Ciara Lynch

Bib: 30873•F

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
33:24
Rank: #25284
Start → 5K
33:24 | 10:45/mi
10K· 6.21 mi
1:04:44
Rank: #24524 (+760)
5K → 10K
31:20 | 10:05/mi
15K· 9.32 mi
1:34:39
Rank: #23907 (+617)
10K → 15K
29:55 | 9:38/mi
20K· 12.43 mi
2:04:48
Rank: #23517 (+390)
15K → 20K
30:09 | 9:42/mi
Half· 13.11 mi
2:11:24
Rank: #23465 (+52)
20K → Half
6:36 | 9:40/mi
25K· 15.53 mi
2:35:59
Rank: #23300 (+165)
Half → 25K
24:35 | 10:08/mi
30K· 18.64 mi
3:09:22
Rank: #23160 (+140)
25K → 30K
33:23 | 10:45/mi
20M
3:23:56
Rank: #23073 (+87)
30K → 20M
14:34 | 10:43/mi
21M
3:36:34
Rank: #23124 (-51)
20M → 21M
12:38 | 12:38/mi
35K· 21.75 mi
3:43:49
Rank: #23036 (+88)
21M → 35K
7:15 | 9:41/mi
23M
3:56:45
Rank: #22908 (+128)
35K → 23M
12:56 | 10:20/mi
24M
4:06:47
Rank: #22812 (+96)
23M → 24M
10:02 | 10:02/mi
40K· 24.85 mi
4:15:46
Rank: #22765 (+47)
24M → 40K
8:59 | 10:30/mi
25.2M
4:19:33
Rank: #22740 (+25)
40K → 25.2M
3:47 | 10:58/mi
Finish· 26.22 mi
4:30:03
Rank: #22737 (+3)
25.2M → Finish
10:30 | 10:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:11:24
Pace10:01 /mi
2nd Half
Distance13.11 mi
Time2:18:39
Pace10:35 /mi
📊Positive Split: 5.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2733:2410:4533:24
10:45
-
10K
6.21 mi12:23:471:04:4410:2531:20
10:05
-0:40
15K
9.32 mi12:53:421:34:3910:0929:55
9:38
-0:27
20K
12.43 mi13:23:512:04:4810:0330:09
9:42
+0:04
Half
13.11 mi13:30:272:11:2410:016:36
9:40
-0:02
25K
15.53 mi13:55:022:35:5910:0224:35
10:08
+0:28
30K
18.64 mi14:28:253:09:2210:1033:23
10:45
+0:37
20M
20.00 mi14:42:593:23:5610:1214:34
10:43
-0:02
21M
21.00 mi14:55:373:36:3410:1912:38
12:38
+1:55
35K
21.75 mi15:02:523:43:4910:177:15
9:41
-2:57
23M
23.00 mi15:15:483:56:4510:1812:56
10:20
+0:39
24M
24.00 mi15:25:504:06:4710:1710:02
10:02
-0:18
40K
24.85 mi15:34:494:15:4610:178:59
10:30
+0:28
25.2M
25.20 mi15:38:364:19:3310:183:47
10:58
+0:28
Finish
26.22 mi15:49:064:30:0310:1810:30
10:18
-0:40

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

9:38 /mi

Average Pace

10:18 /mi

Slowest Pace

12:38 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:55

27% of race

Time at Steady Pace

1:38:22

36% of race

Time at Slower Pace

1:37:46

36% of race

Average Pace: 10:18 /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 mi11:52:2733:2410:4533:24
10:45
#25284
10K
6.21 mi12:23:471:04:4410:2531:20
10:05
#24524
15K
9.32 mi12:53:421:34:3910:0929:55
9:38
#23907
20K
12.43 mi13:23:512:04:4810:0330:09
9:42
#23517
Half
13.11 mi13:30:272:11:2410:016:36
9:40
#23465
25K
15.53 mi13:55:022:35:5910:0224:35
10:08
#23300
30K
18.64 mi14:28:253:09:2210:1033:23
10:45
#23160
20M
20.00 mi14:42:593:23:5610:1214:34
10:43
#23073
21M
21.00 mi14:55:373:36:3410:1912:38
12:38
#23124
35K
21.75 mi15:02:523:43:4910:177:15
9:41
#23036
23M
23.00 mi15:15:483:56:4510:1812:56
10:20
#22908
24M
24.00 mi15:25:504:06:4710:1710:02
10:02
#22812
40K
24.85 mi15:34:494:15:4610:178:59
10:30
#22765
25.2M
25.20 mi15:38:364:19:3310:183:47
10:58
#22740
Finish
26.22 mi15:49:064:30:0310:1810:30
10:18
#22737
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25284106001060022606(Top 85%)9134(Top 80%)9134(Top 187%)
10K6.21 mi3.10 mi24524+76010173+42710173+42723884(Top 90%)9823(Top 86%)9823(Top 201%)
15K9.32 mi3.11 mi23907+6179838+3359838+33522606(Top 85%)9134(Top 80%)9134(Top 187%)
20K12.43 mi3.11 mi23517+3909617+2219617+22122183(Top 83%)8901(Top 78%)8901(Top 182%)
Half13.11 mi0.68 mi23465+529586+319586+3122609(Top 85%)9140(Top 80%)9140(Top 187%)
25K15.53 mi2.42 mi23300+1659512+749512+7422502(Top 85%)9118(Top 80%)9118(Top 187%)
30K18.64 mi3.11 mi23160+1409467+459467+4522693(Top 85%)9295(Top 81%)9295(Top 190%)
20M20.00 mi1.36 mi23073+879434+339434+3322203(Top 83%)9096(Top 80%)9096(Top 186%)
21M21.00 mi1.00 mi23124-519475-419475-4123635(Top 89%)9881(Top 87%)9881(Top 202%)
35K21.75 mi0.75 mi23036+889430+459430+4520479(Top 77%)8221(Top 72%)8221(Top 168%)
23M23.00 mi1.25 mi22908+1289380+509380+5020918(Top 79%)8478(Top 74%)8478(Top 174%)
24M24.00 mi1.00 mi22812+969340+409340+4020897(Top 78%)8492(Top 74%)8492(Top 174%)
40K24.85 mi0.85 mi22765+479316+249316+2421245(Top 80%)8748(Top 77%)8748(Top 179%)
25.2M25.20 mi0.35 mi22740+259304+129304+1220444(Top 77%)8301(Top 73%)8301(Top 170%)
Finish26.22 mi1.02 mi22737+39309-59309-522573(Top 85%)9429(Top 83%)9429(Top 193%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21stories
+97ft-345ft

Overall

22606

Females

9134

F18-39

9134

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

23884

Females

9823

F18-39

9823

10K→15K

6.2 - 9.3 mi

Top 85%
×3stories
+67ft-78ft

Overall

22606

Females

9134

F18-39

9134

15K→20K

9.3 - 12.4 mi

Top 83%
×5stories
+106ft-86ft

Overall

22183

Females

8901

F18-39

8901

20K→Half

12.4 - 13.1 mi

Top 85%
×2stories
+19ft-37ft

Overall

22609

Females

9140

F18-39

9140

Half→25K

13.1 - 15.5 mi

Top 85%
×4stories
+66ft-88ft

Overall

22502

Females

9118

F18-39

9118

25K→30K

15.5 - 18.6 mi

Top 85%
×9stories
+181ft-148ft

Overall

22693

Females

9295

F18-39

9295

30K→20M

18.6 - 20.0 mi

Top 83%
×5stories
+64ft-50ft

Overall

22203

Females

9096

F18-39

9096

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

23635

Females

9881

F18-39

9881

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20479

Females

8221

F18-39

8221

35K→23M

21.8 - 23.0 mi

Top 79%
×5stories
+23ft-63ft

Overall

20918

Females

8478

F18-39

8478

23M→24M

23.0 - 24.0 mi

Top 78%
×6stories
+12ft-82ft

Overall

20897

Females

8492

F18-39

8492

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21245

Females

8748

F18-39

8748

40K→25.2M

24.9 - 25.2 mi

Top 77%
×1story
+13ft-16ft

Overall

20444

Females

8301

F18-39

8301

25.2M→Finish

25.2 - 26.2 mi

Top 85%
×2stories
+22ft-21ft

Overall

22573

Females

9429

F18-39

9429

Passing Analysis

Category:
Athletes Passed
2806
Passed By
259
Net Change
+2547
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25284
5K → 10K77212+760#25284#24524
10K → 15K6225+617#24524#23907
15K → 20K3977+390#23907#23517
20K → Half586+52#23517#23465
Half → 25K18722+165#23465#23300
25K → 30K20060+140#23300#23160
30K → 20M10114+87#23160#23073
20M → 21M3081-51#23073#23124
21M → 35K891+88#23124#23036
35K → 23M1324+128#23036#22908
23M → 24M971+96#22908#22812
24M → 40K569+47#22812#22765
40K → 25.2M349+25#22765#22740
25.2M → Finish3128+3#22740#22737
TOTALS2806259+2547
📊

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