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BOSTON MARATHON 2023

Christine Flatley

Bib: 15229•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

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
7:19/mi
22:45
↑ 97↓ 3451.5%
10K· 6.21 mi
7:39/mi
46:31
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:11:02
↑ 67↓ 78
20K· 12.43 mi
8:17/mi
1:36:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:17/mi
1:42:24
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:03:20
↑ 66↓ 880.2%
30K· 18.64 mi
9:02/mi
2:31:23
↑ 181↓ 1480.2%
20M
9:21/mi
2:44:06
↑ 64↓ 500.2%
21M
10:03/mi
2:54:09
↑ 106↓ 241.6%
35K· 21.75 mi
9:28/mi
3:01:14
↑ 17↓ 861.7%
23M
10:13/mi
3:14:01
↑ 23↓ 630.6%
24M
10:25/mi
3:24:26
↓ 821.3%
40K· 24.85 mi
10:32/mi
3:33:26
↓ 200.3%
25.2M
11:07/mi
3:37:16
↑ 13↓ 160.2%
Finish· 26.22 mi
9:32/mi
3:46:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:42:24
Pace7:49 /mi
2nd Half
Distance13.11 mi
Time2:04:35
Pace9:30 /mi
📊Positive Split: 21.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2222:457:1922:45
7:19
-
10K
6.21 mi11:16:0846:317:2923:46
7:39
+0:20
15K
9.32 mi11:40:391:11:027:3724:31
7:53
+0:14
20K
12.43 mi12:06:221:36:457:4725:43
8:17
+0:24
Half
13.11 mi12:12:011:42:247:495:39
8:17
0:00
25K
15.53 mi12:32:572:03:207:5620:56
8:38
+0:21
30K
18.64 mi13:01:002:31:238:0728:03
9:02
+0:24
20M
20.00 mi13:13:432:44:068:1212:43
9:21
+0:19
21M
21.00 mi13:23:462:54:098:1810:03
10:03
+0:42
35K
21.75 mi13:30:513:01:148:207:05
9:28
-0:35
23M
23.00 mi13:43:383:14:018:2612:47
10:13
+0:45
24M
24.00 mi13:54:033:24:268:3110:25
10:25
+0:12
40K
24.85 mi14:03:033:33:268:359:00
10:32
+0:07
25.2M
25.20 mi14:06:533:37:168:373:50
11:07
+0:35
Finish
26.22 mi14:16:363:46:598:409:43
9:32
-1:35

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

7:19 /mi

Average Pace

8:40 /mi

Slowest Pace

11:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:03:20

54% of race

Time at Steady Pace

57:34

25% of race

Time at Slower Pace

46:05

20% of race

Average Pace: 8:39 /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 mi10:52:2222:457:1922:45
7:19
#8280
10K
6.21 mi11:16:0846:317:2923:46
7:39
#9903
15K
9.32 mi11:40:391:11:027:3724:31
7:53
#11118
20K
12.43 mi12:06:221:36:457:4725:43
8:17
#12272
Half
13.11 mi12:12:011:42:247:495:39
8:17
#12508
25K
15.53 mi12:32:572:03:207:5620:56
8:38
#13386
30K
18.64 mi13:01:002:31:238:0728:03
9:02
#14262
20M
20.00 mi13:13:432:44:068:1212:43
9:21
#14594
21M
21.00 mi13:23:462:54:098:1810:03
10:03
#14846
35K
21.75 mi13:30:513:01:148:207:05
9:28
#15071
23M
23.00 mi13:43:383:14:018:2612:47
10:13
#15537
24M
24.00 mi13:54:033:24:268:3110:25
10:25
#15995
40K
24.85 mi14:03:033:33:268:359:00
10:32
#16300
25.2M
25.20 mi14:06:533:37:168:373:50
11:07
#16420
Finish
26.22 mi14:16:363:46:598:409:43
9:32
#16618
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi82801125112513475(Top 51%)3770(Top 33%)3770(Top 77%)
10K6.21 mi3.10 mi9903-16231800-6751800-67511813(Top 44%)2772(Top 24%)2772(Top 57%)
15K9.32 mi3.11 mi11118-12152401-6012401-60113475(Top 51%)3770(Top 33%)3770(Top 77%)
20K12.43 mi3.11 mi12272-11543078-6773078-67715484(Top 58%)5023(Top 44%)5023(Top 103%)
Half13.11 mi0.68 mi12508-2363207-1293207-12916427(Top 62%)5559(Top 49%)5559(Top 114%)
25K15.53 mi2.42 mi13386-8783738-5313738-53117014(Top 64%)6014(Top 53%)6014(Top 123%)
30K18.64 mi3.11 mi14262-8764306-5684306-56817330(Top 65%)6260(Top 55%)6260(Top 128%)
20M20.00 mi1.36 mi14594-3324525-2194525-21918270(Top 69%)6887(Top 60%)6887(Top 141%)
21M21.00 mi1.00 mi14846-2524694-1694694-16918212(Top 68%)6877(Top 60%)6877(Top 141%)
35K21.75 mi0.75 mi15071-2254862-1684862-16819747(Top 74%)7775(Top 68%)7775(Top 159%)
23M23.00 mi1.25 mi15537-4665190-3285190-32820606(Top 77%)8291(Top 73%)8291(Top 170%)
24M24.00 mi1.00 mi15995-4585469-2795469-27921848(Top 82%)9019(Top 79%)9019(Top 185%)
40K24.85 mi0.85 mi16300-3055654-1855654-18521276(Top 80%)8757(Top 77%)8757(Top 179%)
25.2M25.20 mi0.35 mi16420-1205733-795733-7920725(Top 78%)8431(Top 74%)8431(Top 173%)
Finish26.22 mi1.02 mi16618-1985848-1155848-11520255(Top 76%)8148(Top 71%)8148(Top 167%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13475

Females

3770

F18-39

3770

5K→10K

3.1 - 6.2 mi

Top 44%
×5story building
+79ft-138ft

Overall

11813

Females

2772

F18-39

2772

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13475

Females

3770

F18-39

3770

15K→20K

9.3 - 12.4 mi

Top 58%
×5story building
+106ft-86ft

Overall

15484

Females

5023

F18-39

5023

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

16427

Females

5559

F18-39

5559

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17014

Females

6014

F18-39

6014

25K→30K

15.5 - 18.6 mi

Top 65%
×9story building
+181ft-148ft

Overall

17330

Females

6260

F18-39

6260

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18270

Females

6887

F18-39

6887

20M→21M

20.0 - 21.0 mi

Top 68%
×8story building
+106ft-24ft

Overall

18212

Females

6877

F18-39

6877

21M→35K

21.0 - 21.8 mi

Top 74%
×7story building
+17ft-86ft

Overall

19747

Females

7775

F18-39

7775

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20606

Females

8291

F18-39

8291

23M→24M

23.0 - 24.0 mi

Top 82%
×6story building
+12ft-82ft

Overall

21848

Females

9019

F18-39

9019

24M→40K

24.0 - 24.9 mi

Top 80%
×1story
+6ft-20ft

Overall

21276

Females

8757

F18-39

8757

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20725

Females

8431

F18-39

8431

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20255

Females

8148

F18-39

8148

Passing Analysis

Category:
Athletes Passed
237
Passed By
8573
Net Change
-8338
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8280
5K → 10K161639-1623#8280#9903
10K → 15K121225-1215#9903#11118
15K → 20K171171-1154#11118#12272
20K → Half3239-236#12272#12508
Half → 25K22900-878#12508#13386
25K → 30K42918-876#13386#14262
30K → 20M23355-332#14262#14594
20M → 21M23275-252#14594#14846
21M → 35K15240-225#14846#15071
35K → 23M18484-466#15071#15537
23M → 24M11469-458#15537#15995
24M → 40K12317-305#15995#16300
40K → 25.2M8128-120#16300#16420
25.2M → Finish15213-198#16420#16618
TOTALS2378573-8338
📊

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