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BOSTON MARATHON 2023

Corie Folley

Bib: 25821•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
10:48/mi
33:32
↑ 97↓ 3451.5%
10K· 6.21 mi
10:50/mi
1:07:11
↑ 79↓ 1380.4%
15K· 9.32 mi
10:55/mi
1:41:07
↑ 67↓ 78
20K· 12.43 mi
10:49/mi
2:14:42
↑ 106↓ 860.1%
Half· 13.11 mi
10:27/mi
2:21:50
↑ 19↓ 370.5%
25K· 15.53 mi
10:40/mi
2:47:42
↑ 66↓ 880.2%
30K· 18.64 mi
10:53/mi
3:21:32
↑ 181↓ 1480.2%
20M
11:00/mi
3:36:29
↑ 64↓ 500.2%
21M
10:57/mi
3:47:26
↑ 106↓ 241.6%
35K· 21.75 mi
10:43/mi
3:55:27
↑ 17↓ 861.7%
23M
10:35/mi
4:08:42
↑ 23↓ 630.6%
24M
10:03/mi
4:18:45
↓ 821.3%
40K· 24.85 mi
10:14/mi
4:27:30
↓ 200.3%
25.2M
11:13/mi
4:31:22
↑ 13↓ 160.2%
Finish· 26.22 mi
9:20/mi
4:40:53
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:21:50
Pace10:49 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:19:03
Pace10:36 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:5833:3210:4833:32
10:48
-
10K
6.21 mi12:23:371:07:1110:4933:39
10:50
+0:02
15K
9.32 mi12:57:331:41:0710:5133:56
10:55
+0:05
20K
12.43 mi13:31:082:14:4210:5033:35
10:49
-0:06
Half
13.11 mi13:38:162:21:5010:497:08
10:27
-0:22
25K
15.53 mi14:04:082:47:4210:4825:52
10:40
+0:13
30K
18.64 mi14:37:583:21:3210:4933:50
10:53
+0:13
20M
20.00 mi14:52:553:36:2910:4914:57
11:00
+0:07
21M
21.00 mi15:03:523:47:2610:5010:57
10:57
-0:03
35K
21.75 mi15:11:533:55:2710:508:01
10:43
-0:14
23M
23.00 mi15:25:084:08:4210:4913:15
10:35
-0:08
24M
24.00 mi15:35:114:18:4510:4710:03
10:03
-0:32
40K
24.85 mi15:43:564:27:3010:468:45
10:14
+0:11
25.2M
25.20 mi15:47:484:31:2210:463:52
11:13
+0:59
Finish
26.22 mi15:57:194:40:5310:439:31
9:20
-1:53

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

9:20 /mi

Average Pace

10:43 /mi

Slowest Pace

11:13 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

35:27

13% of race

Time at Steady Pace

4:01:34

86% of race

Time at Slower Pace

3:52

1% of race

Average Pace: 10:43 /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 mi11:49:5833:3210:4833:32
10:48
#25359
10K
6.21 mi12:23:371:07:1110:4933:39
10:50
#25295
15K
9.32 mi12:57:331:41:0710:5133:56
10:55
#25216
20K
12.43 mi13:31:082:14:4210:5033:35
10:49
#24972
Half
13.11 mi13:38:162:21:5010:497:08
10:27
#24927
25K
15.53 mi14:04:082:47:4210:4825:52
10:40
#24705
30K
18.64 mi14:37:583:21:3210:4933:50
10:53
#24378
20M
20.00 mi14:52:553:36:2910:4914:57
11:00
#24246
21M
21.00 mi15:03:523:47:2610:5010:57
10:57
#24084
35K
21.75 mi15:11:533:55:2710:508:01
10:43
#24050
23M
23.00 mi15:25:084:08:4210:4913:15
10:35
#23936
24M
24.00 mi15:35:114:18:4510:4710:03
10:03
#23828
40K
24.85 mi15:43:564:27:3010:468:45
10:14
#23731
25.2M
25.20 mi15:47:484:31:2210:463:52
11:13
#23702
Finish
26.22 mi15:57:194:40:5310:439:31
9:20
#23611
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25359106481064825091(Top 94%)10513(Top 92%)10513(Top 560%)
10K6.21 mi3.10 mi25295+6410592+5610592+5625237(Top 95%)10575(Top 93%)10575(Top 563%)
15K9.32 mi3.11 mi25216+7910563+2910563+2925091(Top 94%)10513(Top 92%)10513(Top 560%)
20K12.43 mi3.11 mi24972+24410440+12310440+12324340(Top 91%)10114(Top 89%)10114(Top 539%)
Half13.11 mi0.68 mi24927+4510421+1910421+1924140(Top 91%)9992(Top 87%)9992(Top 532%)
25K15.53 mi2.42 mi24705+22210303+11810303+11823468(Top 88%)9652(Top 84%)9652(Top 514%)
30K18.64 mi3.11 mi24378+32710141+16210141+16222924(Top 86%)9424(Top 83%)9424(Top 502%)
20M20.00 mi1.36 mi24246+13210077+6410077+6422721(Top 85%)9376(Top 82%)9376(Top 499%)
21M21.00 mi1.00 mi24084+1629993+849993+8420743(Top 78%)8325(Top 73%)8325(Top 443%)
35K21.75 mi0.75 mi24050+349974+199974+1922786(Top 86%)9478(Top 83%)9478(Top 505%)
23M23.00 mi1.25 mi23936+1149916+589916+5821534(Top 81%)8812(Top 77%)8812(Top 469%)
24M24.00 mi1.00 mi23828+1089866+509866+5020949(Top 79%)8519(Top 75%)8519(Top 454%)
40K24.85 mi0.85 mi23731+979819+479819+4720605(Top 77%)8390(Top 73%)8390(Top 447%)
25.2M25.20 mi0.35 mi23702+299807+129807+1220993(Top 79%)8599(Top 75%)8599(Top 458%)
Finish26.22 mi1.02 mi23611+919765+429765+4219560(Top 73%)7771(Top 68%)7771(Top 414%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25091

Females

10513

F40-44

10513

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25237

Females

10575

F40-44

10575

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25091

Females

10513

F40-44

10513

15K→20K

9.3 - 12.4 mi

Top 91%
×5story building
+106ft-86ft

Overall

24340

Females

10114

F40-44

10114

20K→Half

12.4 - 13.1 mi

Top 91%
×2story building
+19ft-37ft

Overall

24140

Females

9992

F40-44

9992

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23468

Females

9652

F40-44

9652

25K→30K

15.5 - 18.6 mi

Top 86%
×9story building
+181ft-148ft

Overall

22924

Females

9424

F40-44

9424

30K→20M

18.6 - 20.0 mi

Top 85%
×5story building
+64ft-50ft

Overall

22721

Females

9376

F40-44

9376

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

20743

Females

8325

F40-44

8325

21M→35K

21.0 - 21.8 mi

Top 86%
×7story building
+17ft-86ft

Overall

22786

Females

9478

F40-44

9478

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21534

Females

8812

F40-44

8812

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20949

Females

8519

F40-44

8519

24M→40K

24.0 - 24.9 mi

Top 77%
×1story
+6ft-20ft

Overall

20605

Females

8390

F40-44

8390

40K→25.2M

24.9 - 25.2 mi

Top 79%
×1story
+13ft-16ft

Overall

20993

Females

8599

F40-44

8599

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2story building
+22ft-21ft

Overall

19560

Females

7771

F40-44

7771

Passing Analysis

Category:
Athletes Passed
1995
Passed By
247
Net Change
+1748
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25359
5K → 10K194130+64#25359#25295
10K → 15K14566+79#25295#25216
15K → 20K25511+244#25216#24972
20K → Half461+45#24972#24927
Half → 25K2297+222#24927#24705
25K → 30K3303+327#24705#24378
30K → 20M1397+132#24378#24246
20M → 21M1620+162#24246#24084
21M → 35K4410+34#24084#24050
35K → 23M1173+114#24050#23936
23M → 24M1091+108#23936#23828
24M → 40K981+97#23828#23731
40K → 25.2M345+29#23731#23702
25.2M → Finish932+91#23702#23611
TOTALS1995247+1748
📊

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