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BOSTON MARATHON 2023

Sarah Flynn

Bib: 15608•F

MN

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

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:26/mi
26:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:32/mi
52:44
↑ 79↓ 1380.4%
15K· 9.32 mi
8:47/mi
1:20:02
↑ 67↓ 78
20K· 12.43 mi
8:49/mi
1:47:24
↑ 106↓ 860.1%
Half· 13.11 mi
8:36/mi
1:53:16
↑ 19↓ 370.5%
25K· 15.53 mi
8:49/mi
2:14:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:56/mi
2:42:24
↑ 181↓ 1480.2%
20M
8:49/mi
2:54:23
↑ 64↓ 500.2%
21M
9:29/mi
3:03:52
↑ 106↓ 241.6%
35K· 21.75 mi
8:33/mi
3:10:16
↑ 17↓ 861.7%
23M
9:00/mi
3:21:32
↑ 23↓ 630.6%
24M
8:53/mi
3:30:25
↓ 821.3%
40K· 24.85 mi
9:19/mi
3:38:23
↓ 200.3%
25.2M
9:28/mi
3:41:39
↑ 13↓ 160.2%
Finish· 26.22 mi
8:14/mi
3:50:02
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:16
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
📊Positive Split: 3.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:4226:128:2626:12
8:26
-
10K
6.21 mi11:22:1452:448:2926:32
8:32
+0:06
15K
9.32 mi11:49:321:20:028:3527:18
8:47
+0:15
20K
12.43 mi12:16:541:47:248:3927:22
8:49
+0:02
Half
13.11 mi12:22:461:53:168:385:52
8:36
-0:13
25K
15.53 mi12:44:092:14:398:4021:23
8:49
+0:13
30K
18.64 mi13:11:542:42:248:4327:45
8:56
+0:07
20M
20.00 mi13:23:532:54:238:4311:59
8:49
-0:07
21M
21.00 mi13:33:223:03:528:459:29
9:29
+0:40
35K
21.75 mi13:39:463:10:168:456:24
8:33
-0:56
23M
23.00 mi13:51:023:21:328:4611:16
9:00
+0:27
24M
24.00 mi13:59:553:30:258:468:53
8:53
-0:07
40K
24.85 mi14:07:533:38:238:477:58
9:19
+0:26
25.2M
25.20 mi14:11:093:41:398:483:16
9:28
+0:09
Finish
26.22 mi14:19:323:50:028:478:23
8:14
-1:14

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

8:14 /mi

Average Pace

8:47 /mi

Slowest Pace

9:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:29:19

91% of race

Time at Steady Pace

20:43

9% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:46 /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 mi10:55:4226:128:2626:12
8:26
#17120
10K
6.21 mi11:22:1452:448:2926:32
8:32
#17825
15K
9.32 mi11:49:321:20:028:3527:18
8:47
#18405
20K
12.43 mi12:16:541:47:248:3927:22
8:49
#18474
Half
13.11 mi12:22:461:53:168:385:52
8:36
#18451
25K
15.53 mi12:44:092:14:398:4021:23
8:49
#18391
30K
18.64 mi13:11:542:42:248:4327:45
8:56
#18056
20M
20.00 mi13:23:532:54:238:4311:59
8:49
#17836
21M
21.00 mi13:33:223:03:528:459:29
9:29
#17720
35K
21.75 mi13:39:463:10:168:456:24
8:33
#17632
23M
23.00 mi13:51:023:21:328:4611:16
9:00
#17527
24M
24.00 mi13:59:553:30:258:468:53
8:53
#17509
40K
24.85 mi14:07:533:38:238:477:58
9:19
#17534
25.2M
25.20 mi14:11:093:41:398:483:16
9:28
#17486
Finish
26.22 mi14:19:323:50:028:478:23
8:14
#17351
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi171206009600919441(Top 73%)7352(Top 64%)7352(Top 151%)
10K6.21 mi3.10 mi17825-7056417-4086417-40818498(Top 69%)6764(Top 59%)6764(Top 138%)
15K9.32 mi3.11 mi18405-5806748-3316748-33119441(Top 73%)7352(Top 64%)7352(Top 151%)
20K12.43 mi3.11 mi18474-696786-386786-3818733(Top 70%)6924(Top 61%)6924(Top 142%)
Half13.11 mi0.68 mi18451+236776+106776+1018344(Top 69%)6679(Top 58%)6679(Top 137%)
25K15.53 mi2.42 mi18391+606759+176759+1718064(Top 68%)6585(Top 58%)6585(Top 135%)
30K18.64 mi3.11 mi18056+3356602+1576602+15716841(Top 63%)5976(Top 52%)5976(Top 122%)
20M20.00 mi1.36 mi17836+2206481+1216481+12115568(Top 58%)5325(Top 47%)5325(Top 109%)
21M21.00 mi1.00 mi17720+1166423+586423+5815918(Top 60%)5589(Top 49%)5589(Top 114%)
35K21.75 mi0.75 mi17632+886385+386385+3815646(Top 59%)5505(Top 48%)5505(Top 113%)
23M23.00 mi1.25 mi17527+1056337+486337+4816088(Top 60%)5795(Top 51%)5795(Top 119%)
24M24.00 mi1.00 mi17509+186335+26335+216707(Top 63%)6201(Top 54%)6201(Top 127%)
40K24.85 mi0.85 mi17534-256363-286363-2817615(Top 66%)6745(Top 59%)6745(Top 138%)
25.2M25.20 mi0.35 mi17486+486343+206343+2015150(Top 57%)5404(Top 47%)5404(Top 111%)
Finish26.22 mi1.02 mi17351+1356276+676276+6713667(Top 51%)4573(Top 40%)4573(Top 94%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19441

Females

7352

F18-39

7352

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

18498

Females

6764

F18-39

6764

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19441

Females

7352

F18-39

7352

15K→20K

9.3 - 12.4 mi

Top 70%
×5story building
+106ft-86ft

Overall

18733

Females

6924

F18-39

6924

20K→Half

12.4 - 13.1 mi

Top 69%
×2story building
+19ft-37ft

Overall

18344

Females

6679

F18-39

6679

Half→25K

13.1 - 15.5 mi

Top 68%
×4story building
+66ft-88ft

Overall

18064

Females

6585

F18-39

6585

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16841

Females

5976

F18-39

5976

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15568

Females

5325

F18-39

5325

20M→21M

20.0 - 21.0 mi

Top 60%
×8story building
+106ft-24ft

Overall

15918

Females

5589

F18-39

5589

21M→35K

21.0 - 21.8 mi

Top 59%
×7story building
+17ft-86ft

Overall

15646

Females

5505

F18-39

5505

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

16088

Females

5795

F18-39

5795

23M→24M

23.0 - 24.0 mi

Top 63%
×6story building
+12ft-82ft

Overall

16707

Females

6201

F18-39

6201

24M→40K

24.0 - 24.9 mi

Top 66%
×1story
+6ft-20ft

Overall

17615

Females

6745

F18-39

6745

40K→25.2M

24.9 - 25.2 mi

Top 57%
×1story
+13ft-16ft

Overall

15150

Females

5404

F18-39

5404

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2story building
+22ft-21ft

Overall

13667

Females

4573

F18-39

4573

Passing Analysis

Category:
Athletes Passed
1812
Passed By
2043
Net Change
-231
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17120
5K → 10K102807-705#17120#17825
10K → 15K54634-580#17825#18405
15K → 20K134203-69#18405#18474
20K → Half4219+23#18474#18451
Half → 25K15898+60#18451#18391
25K → 30K38045+335#18391#18056
30K → 20M2288+220#18056#17836
20M → 21M14428+116#17836#17720
21M → 35K9810+88#17720#17632
35K → 23M14237+105#17632#17527
23M → 24M7052+18#17527#17509
24M → 40K5378-25#17509#17534
40K → 25.2M6113+48#17534#17486
25.2M → Finish14611+135#17486#17351
TOTALS18122043-231
📊

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