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BOSTON MARATHON 2023

Helene Simon

Bib: 19816•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 (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
9:00/mi
27:58
↑ 97↓ 3451.5%
10K· 6.21 mi
9:06/mi
56:14
↑ 79↓ 1380.4%
15K· 9.32 mi
9:29/mi
1:25:43
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:54:31
↑ 106↓ 860.1%
Half· 13.11 mi
9:07/mi
2:00:44
↑ 19↓ 370.5%
25K· 15.53 mi
9:23/mi
2:23:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:46/mi
2:53:49
↑ 181↓ 1480.2%
20M
9:45/mi
3:07:04
↑ 64↓ 500.2%
21M
10:26/mi
3:17:30
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:24:38
↑ 17↓ 861.7%
23M
9:47/mi
3:36:53
↑ 23↓ 630.6%
24M
9:29/mi
3:46:22
↓ 821.3%
40K· 24.85 mi
9:40/mi
3:54:38
↓ 200.3%
25.2M
10:15/mi
3:58:10
↑ 13↓ 160.2%
Finish· 26.22 mi
9:13/mi
4:07:34
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:00:44
Pace9:13 /mi
2nd Half
Distance13.11 mi
Time2:06:50
Pace9:41 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:3727:589:0027:58
9:00
-
10K
6.21 mi11:47:5356:149:0328:16
9:06
+0:06
15K
9.32 mi12:17:221:25:439:1229:29
9:29
+0:23
20K
12.43 mi12:46:101:54:319:1328:48
9:16
-0:13
Half
13.11 mi12:52:232:00:449:136:13
9:07
-0:09
25K
15.53 mi13:15:082:23:299:1422:45
9:23
+0:16
30K
18.64 mi13:45:282:53:499:1930:20
9:46
+0:23
20M
20.00 mi13:58:433:07:049:2113:15
9:45
-0:01
21M
21.00 mi14:09:093:17:309:2410:26
10:26
+0:41
35K
21.75 mi14:16:173:24:389:257:08
9:32
-0:54
23M
23.00 mi14:28:323:36:539:2612:15
9:47
+0:15
24M
24.00 mi14:38:013:46:229:269:29
9:29
-0:18
40K
24.85 mi14:46:173:54:389:268:16
9:40
+0:11
25.2M
25.20 mi14:49:493:58:109:273:32
10:15
+0:35
Finish
26.22 mi14:59:134:07:349:279:24
9:13
-1:02

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

9:00 /mi

Average Pace

9:27 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:53:36

94% of race

Time at Steady Pace

13:58

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:27 /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 mi11:19:3727:589:0027:58
9:00
#20457
10K
6.21 mi11:47:5356:149:0328:16
9:06
#20857
15K
9.32 mi12:17:221:25:439:1229:29
9:29
#21356
20K
12.43 mi12:46:101:54:319:1328:48
9:16
#21228
Half
13.11 mi12:52:232:00:449:136:13
9:07
#21212
25K
15.53 mi13:15:082:23:299:1422:45
9:23
#21082
30K
18.64 mi13:45:282:53:499:1930:20
9:46
#20916
20M
20.00 mi13:58:433:07:049:2113:15
9:45
#20803
21M
21.00 mi14:09:093:17:309:2410:26
10:26
#20706
35K
21.75 mi14:16:173:24:389:257:08
9:32
#20659
23M
23.00 mi14:28:323:36:539:2612:15
9:47
#20564
24M
24.00 mi14:38:013:46:229:269:29
9:29
#20496
40K
24.85 mi14:46:173:54:389:268:16
9:40
#20426
25.2M
25.20 mi14:49:493:58:109:273:32
10:15
#20389
Finish
26.22 mi14:59:134:07:349:279:24
9:13
#20342
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi204578089808922231(Top 84%)8921(Top 78%)8921(Top 475%)
10K6.21 mi3.10 mi20857-4008237-1488237-14821261(Top 80%)8420(Top 74%)8420(Top 448%)
15K9.32 mi3.11 mi21356-4998477-2408477-24022231(Top 84%)8921(Top 78%)8921(Top 475%)
20K12.43 mi3.11 mi21228+1288394+838394+8320865(Top 78%)8148(Top 71%)8148(Top 434%)
Half13.11 mi0.68 mi21212+168381+138381+1320890(Top 78%)8185(Top 72%)8185(Top 436%)
25K15.53 mi2.42 mi21082+1308311+708311+7020465(Top 77%)7967(Top 70%)7967(Top 424%)
30K18.64 mi3.11 mi20916+1668227+848227+8420346(Top 76%)7965(Top 70%)7965(Top 424%)
20M20.00 mi1.36 mi20803+1138178+498178+4919725(Top 74%)7717(Top 68%)7717(Top 411%)
21M21.00 mi1.00 mi20706+978136+428136+4219399(Top 73%)7583(Top 66%)7583(Top 404%)
35K21.75 mi0.75 mi20659+478121+158121+1519977(Top 75%)7921(Top 69%)7921(Top 422%)
23M23.00 mi1.25 mi20564+958087+348087+3419402(Top 73%)7634(Top 67%)7634(Top 406%)
24M24.00 mi1.00 mi20496+688058+298058+2919168(Top 72%)7544(Top 66%)7544(Top 402%)
40K24.85 mi0.85 mi20426+708023+358023+3518944(Top 71%)7467(Top 65%)7467(Top 398%)
25.2M25.20 mi0.35 mi20389+378014+98014+918354(Top 69%)7163(Top 63%)7163(Top 381%)
Finish26.22 mi1.02 mi20342+477994+207994+2019056(Top 72%)7472(Top 65%)7472(Top 398%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 84%
×21story building
+97ft-345ft

Overall

22231

Females

8921

F40-44

8921

5K→10K

3.1 - 6.2 mi

Top 80%
×5story building
+79ft-138ft

Overall

21261

Females

8420

F40-44

8420

10K→15K

6.2 - 9.3 mi

Top 84%
×3story building
+67ft-78ft

Overall

22231

Females

8921

F40-44

8921

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20865

Females

8148

F40-44

8148

20K→Half

12.4 - 13.1 mi

Top 78%
×2story building
+19ft-37ft

Overall

20890

Females

8185

F40-44

8185

Half→25K

13.1 - 15.5 mi

Top 77%
×4story building
+66ft-88ft

Overall

20465

Females

7967

F40-44

7967

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20346

Females

7965

F40-44

7965

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19725

Females

7717

F40-44

7717

20M→21M

20.0 - 21.0 mi

Top 73%
×8story building
+106ft-24ft

Overall

19399

Females

7583

F40-44

7583

21M→35K

21.0 - 21.8 mi

Top 75%
×7story building
+17ft-86ft

Overall

19977

Females

7921

F40-44

7921

35K→23M

21.8 - 23.0 mi

Top 73%
×5story building
+23ft-63ft

Overall

19402

Females

7634

F40-44

7634

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

19168

Females

7544

F40-44

7544

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

18944

Females

7467

F40-44

7467

40K→25.2M

24.9 - 25.2 mi

Top 69%
×1story
+13ft-16ft

Overall

18354

Females

7163

F40-44

7163

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

19056

Females

7472

F40-44

7472

Passing Analysis

Category:
Athletes Passed
1540
Passed By
1425
Net Change
+115
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20457
5K → 10K137537-400#20457#20857
10K → 15K36535-499#20857#21356
15K → 20K21183+128#21356#21228
20K → Half3014+16#21228#21212
Half → 25K17747+130#21212#21082
25K → 30K23468+166#21082#20916
30K → 20M14229+113#20916#20803
20M → 21M12023+97#20803#20706
21M → 35K6114+47#20706#20659
35K → 23M11823+95#20659#20564
23M → 24M8113+68#20564#20496
24M → 40K8313+70#20496#20426
40K → 25.2M403+37#20426#20389
25.2M → Finish7023+47#20389#20342
TOTALS15401425+115
📊

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