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BOSTON MARATHON 2023

Darcy Dewey

Bib: 24343•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F60-64)
#0 / 527
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
9:05/mi
28:12
↑ 97↓ 3451.5%
10K· 6.21 mi
8:59/mi
56:08
↑ 79↓ 1380.4%
15K· 9.32 mi
9:20/mi
1:25:08
↑ 67↓ 78
20K· 12.43 mi
9:50/mi
1:55:42
↑ 106↓ 860.1%
Half· 13.11 mi
9:33/mi
2:02:13
↑ 19↓ 370.5%
25K· 15.53 mi
10:05/mi
2:26:41
↑ 66↓ 880.2%
30K· 18.64 mi
10:41/mi
2:59:51
↑ 181↓ 1480.2%
20M
10:51/mi
3:14:35
↑ 64↓ 500.2%
21M
11:06/mi
3:25:41
↑ 106↓ 241.6%
35K· 21.75 mi
10:14/mi
3:33:20
↑ 17↓ 861.7%
23M
11:24/mi
3:47:36
↑ 23↓ 630.6%
24M
11:05/mi
3:58:41
↓ 821.3%
40K· 24.85 mi
11:46/mi
4:08:45
↓ 200.3%
25.2M
12:28/mi
4:13:03
↑ 13↓ 160.2%
Finish· 26.22 mi
10:37/mi
4:23:52
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:02:13
Pace9:19 /mi
2nd Half
Distance13.11 mi
Time2:21:39
Pace10:48 /mi
📊Positive Split: 15.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:2628:129:0528:12
9:05
-
10K
6.21 mi12:11:2256:089:0227:56
8:59
-0:06
15K
9.32 mi12:40:221:25:089:0829:00
9:20
+0:21
20K
12.43 mi13:10:561:55:429:1930:34
9:50
+0:30
Half
13.11 mi13:17:272:02:139:196:31
9:33
-0:17
25K
15.53 mi13:41:552:26:419:2724:28
10:05
+0:32
30K
18.64 mi14:15:052:59:519:3933:10
10:41
+0:36
20M
20.00 mi14:29:493:14:359:4414:44
10:51
+0:10
21M
21.00 mi14:40:553:25:419:4811:06
11:06
+0:15
35K
21.75 mi14:48:343:33:209:497:39
10:14
-0:52
23M
23.00 mi15:02:503:47:369:5414:16
11:24
+1:10
24M
24.00 mi15:13:553:58:419:5711:05
11:05
-0:19
40K
24.85 mi15:23:594:08:4510:0010:04
11:46
+0:41
25.2M
25.20 mi15:28:174:13:0310:034:18
12:28
+0:42
Finish
26.22 mi15:39:064:23:5210:0410:49
10:37
-1:51

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

8:59 /mi

Average Pace

10:04 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:41

56% of race

Time at Steady Pace

1:28:33

34% of race

Time at Slower Pace

28:38

11% of race

Average Pace: 10:04 /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 mi11:43:2628:129:0528:12
9:05
#20786
10K
6.21 mi12:11:2256:089:0227:56
8:59
#20789
15K
9.32 mi12:40:221:25:089:0829:00
9:20
#21157
20K
12.43 mi13:10:561:55:429:1930:34
9:50
#21537
Half
13.11 mi13:17:272:02:139:196:31
9:33
#21579
25K
15.53 mi13:41:552:26:419:2724:28
10:05
#21709
30K
18.64 mi14:15:052:59:519:3933:10
10:41
#21919
20M
20.00 mi14:29:493:14:359:4414:44
10:51
#21958
21M
21.00 mi14:40:553:25:419:4811:06
11:06
#21915
35K
21.75 mi14:48:343:33:209:497:39
10:14
#21927
23M
23.00 mi15:02:503:47:369:5414:16
11:24
#22004
24M
24.00 mi15:13:553:58:419:5711:05
11:05
#22047
40K
24.85 mi15:23:594:08:4510:0010:04
11:46
#22126
25.2M
25.20 mi15:28:174:13:0310:034:18
12:28
#22146
Finish
26.22 mi15:39:064:23:5210:0410:49
10:37
#22198
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF60-64Seg. OverallSeg. FemalesSeg. F60-64
5K3.11 mi3.11 mi207868264826421763(Top 82%)8657(Top 76%)8657(Top 1643%)
10K6.21 mi3.10 mi20789-38194+708194+7020852(Top 78%)8186(Top 72%)8186(Top 1553%)
15K9.32 mi3.11 mi21157-3688364-1708364-17021763(Top 82%)8657(Top 76%)8657(Top 1643%)
20K12.43 mi3.11 mi21537-3808575-2118575-21122498(Top 85%)9082(Top 80%)9082(Top 1723%)
Half13.11 mi0.68 mi21579-428594-198594-1922292(Top 84%)8946(Top 78%)8946(Top 1698%)
25K15.53 mi2.42 mi21709-1308662-688662-6822417(Top 84%)9071(Top 79%)9071(Top 1721%)
30K18.64 mi3.11 mi21919-2108794-1328794-13222561(Top 85%)9216(Top 81%)9216(Top 1749%)
20M20.00 mi1.36 mi21958-398820-268820-2622416(Top 84%)9205(Top 81%)9205(Top 1747%)
21M21.00 mi1.00 mi21915+438809+118809+1121050(Top 79%)8494(Top 74%)8494(Top 1612%)
35K21.75 mi0.75 mi21927-128812-38812-321849(Top 82%)8965(Top 78%)8965(Top 1701%)
23M23.00 mi1.25 mi22004-778871-598871-5923066(Top 87%)9621(Top 84%)9621(Top 1826%)
24M24.00 mi1.00 mi22047-438903-328903-3223201(Top 87%)9740(Top 85%)9740(Top 1848%)
40K24.85 mi0.85 mi22126-798959-568959-5623607(Top 89%)9996(Top 88%)9996(Top 1897%)
25.2M25.20 mi0.35 mi22146-208973-148973-1423242(Top 87%)9788(Top 86%)9788(Top 1857%)
Finish26.22 mi1.02 mi22198-529007-349007-3423249(Top 87%)9773(Top 86%)9773(Top 1854%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21story building
+97ft-345ft

Overall

21763

Females

8657

F60-64

8657

5K→10K

3.1 - 6.2 mi

Top 78%
×5story building
+79ft-138ft

Overall

20852

Females

8186

F60-64

8186

10K→15K

6.2 - 9.3 mi

Top 82%
×3story building
+67ft-78ft

Overall

21763

Females

8657

F60-64

8657

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22498

Females

9082

F60-64

9082

20K→Half

12.4 - 13.1 mi

Top 84%
×2story building
+19ft-37ft

Overall

22292

Females

8946

F60-64

8946

Half→25K

13.1 - 15.5 mi

Top 84%
×4story building
+66ft-88ft

Overall

22417

Females

9071

F60-64

9071

25K→30K

15.5 - 18.6 mi

Top 85%
×9story building
+181ft-148ft

Overall

22561

Females

9216

F60-64

9216

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22416

Females

9205

F60-64

9205

20M→21M

20.0 - 21.0 mi

Top 79%
×8story building
+106ft-24ft

Overall

21050

Females

8494

F60-64

8494

21M→35K

21.0 - 21.8 mi

Top 82%
×7story building
+17ft-86ft

Overall

21849

Females

8965

F60-64

8965

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23066

Females

9621

F60-64

9621

23M→24M

23.0 - 24.0 mi

Top 87%
×6story building
+12ft-82ft

Overall

23201

Females

9740

F60-64

9740

24M→40K

24.0 - 24.9 mi

Top 89%
×1story
+6ft-20ft

Overall

23607

Females

9996

F60-64

9996

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23242

Females

9788

F60-64

9788

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23249

Females

9773

F60-64

9773

Passing Analysis

Category:
Athletes Passed
825
Passed By
2237
Net Change
-1412
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20786
5K → 10K298301-3#20786#20789
10K → 15K53421-368#20789#21157
15K → 20K40420-380#21157#21537
20K → Half1860-42#21537#21579
Half → 25K65195-130#21579#21709
25K → 30K87297-210#21709#21919
30K → 20M5392-39#21919#21958
20M → 21M8542+43#21958#21915
21M → 35K2234-12#21915#21927
35K → 23M33110-77#21927#22004
23M → 24M2770-43#22004#22047
24M → 40K1796-79#22047#22126
40K → 25.2M1232-20#22126#22146
25.2M → Finish1567-52#22146#22198
TOTALS8252237-1412
📊

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