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BOSTON MARATHON 2023

Joyce Duval

Bib: 22512•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
9:33/mi
29:39
↑ 97↓ 3451.5%
10K· 6.21 mi
10:01/mi
1:00:46
↑ 79↓ 1380.4%
15K· 9.32 mi
9:43/mi
1:30:57
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
2:01:01
↑ 106↓ 860.1%
Half· 13.11 mi
9:42/mi
2:07:38
↑ 19↓ 370.5%
25K· 15.53 mi
9:44/mi
2:31:14
↑ 66↓ 880.2%
30K· 18.64 mi
10:25/mi
3:03:35
↑ 181↓ 1480.2%
20M
10:35/mi
3:17:58
↑ 64↓ 500.2%
21M
11:46/mi
3:29:44
↑ 106↓ 241.6%
35K· 21.75 mi
10:34/mi
3:37:38
↑ 17↓ 861.7%
23M
10:45/mi
3:51:05
↑ 23↓ 630.6%
24M
10:38/mi
4:01:43
↓ 821.3%
40K· 24.85 mi
11:13/mi
4:11:18
↓ 200.3%
25.2M
12:28/mi
4:15:36
↑ 13↓ 160.2%
Finish· 26.22 mi
10:55/mi
4:26:43
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:38
Pace9:44 /mi
2nd Half
Distance13.11 mi
Time2:19:05
Pace10:37 /mi
📊Positive Split: 9.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:2029:399:3329:39
9:33
-
10K
6.21 mi12:16:271:00:469:4731:07
10:01
+0:28
15K
9.32 mi12:46:381:30:579:4530:11
9:43
-0:18
20K
12.43 mi13:16:422:01:019:4430:04
9:41
-0:02
Half
13.11 mi13:23:192:07:389:446:37
9:42
+0:01
25K
15.53 mi13:46:552:31:149:4423:36
9:44
+0:02
30K
18.64 mi14:19:163:03:359:5132:21
10:25
+0:41
20M
20.00 mi14:33:393:17:589:5414:23
10:35
+0:10
21M
21.00 mi14:45:253:29:449:5911:46
11:46
+1:11
35K
21.75 mi14:53:193:37:3810:007:54
10:34
-1:12
23M
23.00 mi15:06:463:51:0510:0313:27
10:45
+0:11
24M
24.00 mi15:17:244:01:4310:0410:38
10:38
-0:07
40K
24.85 mi15:26:594:11:1810:079:35
11:13
+0:35
25.2M
25.20 mi15:31:174:15:3610:094:18
12:28
+1:15
Finish
26.22 mi15:42:244:26:4310:1111:07
10:55
-1:33

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

9:33 /mi

Average Pace

10:11 /mi

Slowest Pace

12:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:14

57% of race

Time at Steady Pace

1:29:50

34% of race

Time at Slower Pace

25:39

10% of race

Average Pace: 10:10 /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 mi11:45:2029:399:3329:39
9:33
#22225
10K
6.21 mi12:16:271:00:469:4731:07
10:01
#23120
15K
9.32 mi12:46:381:30:579:4530:11
9:43
#23032
20K
12.43 mi13:16:422:01:019:4430:04
9:41
#22771
Half
13.11 mi13:23:192:07:389:446:37
9:42
#22758
25K
15.53 mi13:46:552:31:149:4423:36
9:44
#22559
30K
18.64 mi14:19:163:03:359:5132:21
10:25
#22439
20M
20.00 mi14:33:393:17:589:5414:23
10:35
#22399
21M
21.00 mi14:45:253:29:449:5911:46
11:46
#22389
35K
21.75 mi14:53:193:37:3810:007:54
10:34
#22397
23M
23.00 mi15:06:463:51:0510:0313:27
10:45
#22358
24M
24.00 mi15:17:244:01:4310:0410:38
10:38
#22371
40K
24.85 mi15:26:594:11:1810:079:35
11:13
#22373
25.2M
25.20 mi15:31:174:15:3610:094:18
12:28
#22388
Finish
26.22 mi15:42:244:26:4310:1111:07
10:55
#22444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi222258990899022851(Top 86%)9258(Top 81%)9258(Top 1136%)
10K6.21 mi3.10 mi23120-8959433-4439433-44323720(Top 89%)9741(Top 85%)9741(Top 1195%)
15K9.32 mi3.11 mi23032+889373+609373+6022851(Top 86%)9258(Top 81%)9258(Top 1136%)
20K12.43 mi3.11 mi22771+2619224+1499224+14922089(Top 83%)8855(Top 78%)8855(Top 1087%)
Half13.11 mi0.68 mi22758+139219+59219+522654(Top 85%)9164(Top 80%)9164(Top 1124%)
25K15.53 mi2.42 mi22559+1999137+829137+8221572(Top 81%)8602(Top 75%)8602(Top 1055%)
30K18.64 mi3.11 mi22439+1209086+519086+5122035(Top 83%)8930(Top 78%)8930(Top 1096%)
20M20.00 mi1.36 mi22399+409073+139073+1321935(Top 82%)8940(Top 78%)8940(Top 1097%)
21M21.00 mi1.00 mi22389+109082-99082-922369(Top 84%)9206(Top 81%)9206(Top 1130%)
35K21.75 mi0.75 mi22397-89088-69088-622504(Top 85%)9323(Top 82%)9323(Top 1144%)
23M23.00 mi1.25 mi22358+399074+149074+1421866(Top 82%)9005(Top 79%)9005(Top 1105%)
24M24.00 mi1.00 mi22371-139087-139087-1322311(Top 84%)9263(Top 81%)9263(Top 1137%)
40K24.85 mi0.85 mi22373-29099-129099-1222753(Top 85%)9522(Top 83%)9522(Top 1168%)
25.2M25.20 mi0.35 mi22388-159112-139112-1323243(Top 87%)9789(Top 86%)9789(Top 1201%)
Finish26.22 mi1.02 mi22444-569152-409152-4023809(Top 89%)10062(Top 88%)10062(Top 1235%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 86%
×21story building
+97ft-345ft

Overall

22851

Females

9258

F55-59

9258

5K→10K

3.1 - 6.2 mi

Top 89%
×5story building
+79ft-138ft

Overall

23720

Females

9741

F55-59

9741

10K→15K

6.2 - 9.3 mi

Top 86%
×3story building
+67ft-78ft

Overall

22851

Females

9258

F55-59

9258

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22089

Females

8855

F55-59

8855

20K→Half

12.4 - 13.1 mi

Top 85%
×2story building
+19ft-37ft

Overall

22654

Females

9164

F55-59

9164

Half→25K

13.1 - 15.5 mi

Top 81%
×4story building
+66ft-88ft

Overall

21572

Females

8602

F55-59

8602

25K→30K

15.5 - 18.6 mi

Top 83%
×9story building
+181ft-148ft

Overall

22035

Females

8930

F55-59

8930

30K→20M

18.6 - 20.0 mi

Top 82%
×5story building
+64ft-50ft

Overall

21935

Females

8940

F55-59

8940

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22369

Females

9206

F55-59

9206

21M→35K

21.0 - 21.8 mi

Top 85%
×7story building
+17ft-86ft

Overall

22504

Females

9323

F55-59

9323

35K→23M

21.8 - 23.0 mi

Top 82%
×5story building
+23ft-63ft

Overall

21866

Females

9005

F55-59

9005

23M→24M

23.0 - 24.0 mi

Top 84%
×6story building
+12ft-82ft

Overall

22311

Females

9263

F55-59

9263

24M→40K

24.0 - 24.9 mi

Top 85%
×1story
+6ft-20ft

Overall

22753

Females

9522

F55-59

9522

40K→25.2M

24.9 - 25.2 mi

Top 87%
×1story
+13ft-16ft

Overall

23243

Females

9789

F55-59

9789

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23809

Females

10062

F55-59

10062

Passing Analysis

Category:
Athletes Passed
1247
Passed By
1466
Net Change
-219
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22225
5K → 10K27922-895#22225#23120
10K → 15K18294+88#23120#23032
15K → 20K28726+261#23032#22771
20K → Half3421+13#22771#22758
Half → 25K21011+199#22758#22559
25K → 30K17757+120#22559#22439
30K → 20M8040+40#22439#22399
20M → 21M5646+10#22399#22389
21M → 35K3139-8#22389#22397
35K → 23M7637+39#22397#22358
23M → 24M2942-13#22358#22371
24M → 40K3436-2#22371#22373
40K → 25.2M1126-15#22373#22388
25.2M → Finish1369-56#22388#22444
TOTALS12471466-219
📊

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