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BOSTON MARATHON 2023

Diane Simon

Bib: 24579•F

ON

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
10:09/mi
31:32
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:04:56
↑ 79↓ 1380.4%
15K· 9.32 mi
12:01/mi
1:42:15
↑ 67↓ 78
20K· 12.43 mi
12:10/mi
2:20:02
↑ 106↓ 860.1%
Half· 13.11 mi
11:54/mi
2:28:09
↑ 19↓ 370.5%
25K· 15.53 mi
13:05/mi
2:59:52
↑ 66↓ 880.2%
30K· 18.64 mi
12:39/mi
3:39:09
↑ 181↓ 1480.2%
20M
13:13/mi
3:57:07
↑ 64↓ 500.2%
21M
13:31/mi
4:10:38
↑ 106↓ 241.6%
35K· 21.75 mi
11:43/mi
4:19:24
↑ 17↓ 861.7%
23M
12:40/mi
4:35:16
↑ 23↓ 630.6%
24M
12:03/mi
4:47:19
↓ 821.3%
40K· 24.85 mi
13:01/mi
4:58:27
↓ 200.3%
25.2M
13:49/mi
5:03:13
↑ 13↓ 160.2%
Finish· 26.22 mi
12:17/mi
5:15:44
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:28:09
Pace11:18 /mi
2nd Half
Distance13.11 mi
Time2:47:35
Pace12:47 /mi
📊Positive Split: 13.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:46:5231:3210:0931:32
10:09
-
10K
6.21 mi12:20:161:04:5610:2733:24
10:45
+0:36
15K
9.32 mi12:57:351:42:1510:5837:19
12:01
+1:16
20K
12.43 mi13:35:222:20:0211:1637:47
12:10
+0:09
Half
13.11 mi13:43:292:28:0911:188:07
11:54
-0:16
25K
15.53 mi14:15:122:59:5211:3531:43
13:05
+1:11
30K
18.64 mi14:54:293:39:0911:4539:17
12:39
-0:26
20M
20.00 mi15:12:273:57:0711:5117:58
13:13
+0:34
21M
21.00 mi15:25:584:10:3811:5613:31
13:31
+0:18
35K
21.75 mi15:34:444:19:2411:568:46
11:43
-1:48
23M
23.00 mi15:50:364:35:1611:5815:52
12:40
+0:57
24M
24.00 mi16:02:394:47:1911:5812:03
12:03
-0:37
40K
24.85 mi16:13:474:58:2712:0011:08
13:01
+0:58
25.2M
25.20 mi16:18:335:03:1312:024:46
13:49
+0:48
Finish
26.22 mi16:31:045:15:4412:0312:31
12:17
-1:32

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

10:09 /mi

Average Pace

12:03 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:13:42

23% of race

Time at Steady Pace

2:42:56

52% of race

Time at Slower Pace

1:19:06

25% of race

Average Pace: 12:03 /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 mi11:46:5231:3210:0931:32
10:09
#23813
10K
6.21 mi12:20:161:04:5610:2733:24
10:45
#24614
15K
9.32 mi12:57:351:42:1510:5837:19
12:01
#25405
20K
12.43 mi13:35:222:20:0211:1637:47
12:10
#25551
Half
13.11 mi13:43:292:28:0911:188:07
11:54
#25581
25K
15.53 mi14:15:122:59:5211:3531:43
13:05
#25678
30K
18.64 mi14:54:293:39:0911:4539:17
12:39
#25605
20M
20.00 mi15:12:273:57:0711:5117:58
13:13
#25583
21M
21.00 mi15:25:584:10:3811:5613:31
13:31
#25542
35K
21.75 mi15:34:444:19:2411:568:46
11:43
#25508
23M
23.00 mi15:50:364:35:1611:5815:52
12:40
#25481
24M
24.00 mi16:02:394:47:1911:5812:03
12:03
#25458
40K
24.85 mi16:13:474:58:2712:0011:08
13:01
#25443
25.2M
25.20 mi16:18:335:03:1312:024:46
13:49
#25440
Finish
26.22 mi16:31:045:15:4412:0312:31
12:17
#25451
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi238139799979926063(Top 98%)11081(Top 97%)11081(Top 590%)
10K6.21 mi3.10 mi24614-80110217-41810217-41825092(Top 94%)10494(Top 92%)10494(Top 559%)
15K9.32 mi3.11 mi25405-79110677-46010677-46026063(Top 98%)11081(Top 97%)11081(Top 590%)
20K12.43 mi3.11 mi25551-14610782-10510782-10525747(Top 97%)10917(Top 96%)10917(Top 581%)
Half13.11 mi0.68 mi25581-3010799-1710799-1725807(Top 97%)10954(Top 96%)10954(Top 583%)
25K15.53 mi2.42 mi25678-9710863-6410863-6425907(Top 97%)11028(Top 97%)11028(Top 587%)
30K18.64 mi3.11 mi25605+7310832+3110832+3125133(Top 94%)10643(Top 93%)10643(Top 567%)
20M20.00 mi1.36 mi25583+2210824+810824+825339(Top 95%)10773(Top 94%)10773(Top 574%)
21M21.00 mi1.00 mi25542+4110806+1810806+1824612(Top 92%)10411(Top 91%)10411(Top 554%)
35K21.75 mi0.75 mi25508+3410791+1510791+1524391(Top 92%)10336(Top 90%)10336(Top 550%)
23M23.00 mi1.25 mi25481+2710783+810783+824775(Top 93%)10521(Top 92%)10521(Top 560%)
24M24.00 mi1.00 mi25458+2310772+1110772+1124602(Top 92%)10487(Top 92%)10487(Top 558%)
40K24.85 mi0.85 mi25443+1510770+210770+224958(Top 94%)10656(Top 93%)10656(Top 567%)
25.2M25.20 mi0.35 mi25440+310768+210768+224868(Top 93%)10627(Top 93%)10627(Top 566%)
Finish26.22 mi1.02 mi25451-1110780-1210780-1225501(Top 96%)10917(Top 96%)10917(Top 581%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26063

Females

11081

F40-44

11081

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25092

Females

10494

F40-44

10494

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26063

Females

11081

F40-44

11081

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25747

Females

10917

F40-44

10917

20K→Half

12.4 - 13.1 mi

Top 97%
×2story building
+19ft-37ft

Overall

25807

Females

10954

F40-44

10954

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25907

Females

11028

F40-44

11028

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25133

Females

10643

F40-44

10643

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25339

Females

10773

F40-44

10773

20M→21M

20.0 - 21.0 mi

Top 92%
×8story building
+106ft-24ft

Overall

24612

Females

10411

F40-44

10411

21M→35K

21.0 - 21.8 mi

Top 92%
×7story building
+17ft-86ft

Overall

24391

Females

10336

F40-44

10336

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24775

Females

10521

F40-44

10521

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24602

Females

10487

F40-44

10487

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24958

Females

10656

F40-44

10656

40K→25.2M

24.9 - 25.2 mi

Top 93%
×1story
+13ft-16ft

Overall

24868

Females

10627

F40-44

10627

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25501

Females

10917

F40-44

10917

Passing Analysis

Category:
Athletes Passed
440
Passed By
2078
Net Change
-1638
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23813
5K → 10K17818-801#23813#24614
10K → 15K5796-791#24614#25405
15K → 20K49195-146#25405#25551
20K → Half838-30#25551#25581
Half → 25K20117-97#25581#25678
25K → 30K10330+73#25678#25605
30K → 20M4220+22#25605#25583
20M → 21M498+41#25583#25542
21M → 35K395+34#25542#25508
35K → 23M3811+27#25508#25481
23M → 24M274+23#25481#25458
24M → 40K249+15#25458#25443
40K → 25.2M96+3#25443#25440
25.2M → Finish1021-11#25440#25451
TOTALS4402078-1638
📊

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