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BOSTON MARATHON 2023

Rose Cory

Bib: 20310•F

MI

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F45-49)
#0 / 1817
Top 26%
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
8:10/mi
25:22
↑ 97↓ 3451.5%
10K· 6.21 mi
8:09/mi
50:41
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:16:10
↑ 67↓ 78
20K· 12.43 mi
8:08/mi
1:41:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:14/mi
1:47:03
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:07:02
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:33:13
↑ 181↓ 1480.2%
20M
8:24/mi
2:44:38
↑ 64↓ 500.2%
21M
8:45/mi
2:53:23
↑ 106↓ 241.6%
35K· 21.75 mi
8:13/mi
2:59:32
↑ 17↓ 861.7%
23M
8:21/mi
3:09:59
↑ 23↓ 630.6%
24M
8:04/mi
3:18:03
↓ 821.3%
40K· 24.85 mi
8:10/mi
3:25:02
↓ 200.3%
25.2M
8:36/mi
3:28:00
↑ 13↓ 160.2%
Finish· 26.22 mi
7:47/mi
3:35:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:03
Pace8:10 /mi
2nd Half
Distance13.11 mi
Time1:48:53
Pace8:18 /mi
📊Positive Split: 1.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3225:228:1025:22
8:10
-
10K
6.21 mi11:42:5150:418:0925:19
8:09
-0:01
15K
9.32 mi12:08:201:16:108:1025:29
8:12
+0:03
20K
12.43 mi12:33:361:41:268:1025:16
8:08
-0:04
Half
13.11 mi12:39:131:47:038:105:37
8:14
+0:06
25K
15.53 mi12:59:122:07:028:1119:59
8:15
+0:01
30K
18.64 mi13:25:232:33:138:1326:11
8:26
+0:11
20M
20.00 mi13:36:482:44:388:1411:25
8:24
-0:02
21M
21.00 mi13:45:332:53:238:158:45
8:45
+0:21
35K
21.75 mi13:51:422:59:328:156:09
8:13
-0:32
23M
23.00 mi14:02:093:09:598:1610:27
8:21
+0:08
24M
24.00 mi14:10:133:18:038:158:04
8:04
-0:17
40K
24.85 mi14:17:123:25:028:156:59
8:10
+0:06
25.2M
25.20 mi14:20:103:28:008:152:58
8:36
+0:26
Finish
26.22 mi14:28:063:35:568:157:56
7:47
-0:49

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

7:47 /mi

Average Pace

8:15 /mi

Slowest Pace

8:45 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:24:13

95% of race

Time at Steady Pace

11:43

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /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 mi11:17:3225:228:1025:22
8:10
#15194
10K
6.21 mi11:42:5150:418:0925:19
8:09
#15510
15K
9.32 mi12:08:201:16:108:1025:29
8:12
#15617
20K
12.43 mi12:33:361:41:268:1025:16
8:08
#15330
Half
13.11 mi12:39:131:47:038:105:37
8:14
#15344
25K
15.53 mi12:59:122:07:028:1119:59
8:15
#15194
30K
18.64 mi13:25:232:33:138:1326:11
8:26
#14946
20M
20.00 mi13:36:482:44:388:1411:25
8:24
#14789
21M
21.00 mi13:45:332:53:238:158:45
8:45
#14599
35K
21.75 mi13:51:422:59:328:156:09
8:13
#14551
23M
23.00 mi14:02:093:09:598:1610:27
8:21
#14406
24M
24.00 mi14:10:133:18:038:158:04
8:04
#14260
40K
24.85 mi14:17:123:25:028:156:59
8:10
#14125
25.2M
25.20 mi14:20:103:28:008:152:58
8:36
#14049
Finish
26.22 mi14:28:063:35:568:157:56
7:47
#13886
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi151944766476615879(Top 60%)5213(Top 46%)5213(Top 287%)
10K6.21 mi3.10 mi15510-3164975-2094975-20915889(Top 60%)5198(Top 46%)5198(Top 286%)
15K9.32 mi3.11 mi15617-1075045-705045-7015879(Top 60%)5213(Top 46%)5213(Top 287%)
20K12.43 mi3.11 mi15330+2874889+1564889+15614466(Top 54%)4379(Top 38%)4379(Top 241%)
Half13.11 mi0.68 mi15344-144904-154904-1516019(Top 60%)5287(Top 46%)5287(Top 291%)
25K15.53 mi2.42 mi15194+1504836+684836+6814537(Top 55%)4539(Top 40%)4539(Top 250%)
30K18.64 mi3.11 mi14946+2484710+1264710+12613861(Top 52%)4246(Top 37%)4246(Top 234%)
20M20.00 mi1.36 mi14789+1574631+794631+7913052(Top 49%)3888(Top 34%)3888(Top 214%)
21M21.00 mi1.00 mi14599+1904546+854546+8512007(Top 45%)3409(Top 30%)3409(Top 188%)
35K21.75 mi0.75 mi14551+484533+134533+1313621(Top 51%)4356(Top 38%)4356(Top 240%)
23M23.00 mi1.25 mi14406+1454477+564477+5612253(Top 46%)3664(Top 32%)3664(Top 202%)
24M24.00 mi1.00 mi14260+1464408+694408+6911743(Top 44%)3462(Top 30%)3462(Top 191%)
40K24.85 mi0.85 mi14125+1354344+644344+6411193(Top 42%)3263(Top 29%)3263(Top 180%)
25.2M25.20 mi0.35 mi14049+764308+364308+3610284(Top 39%)2864(Top 25%)2864(Top 158%)
Finish26.22 mi1.02 mi13886+1634223+854223+8510612(Top 40%)3004(Top 26%)3004(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15879

Females

5213

F45-49

5213

5K→10K

3.1 - 6.2 mi

Top 60%
×5story building
+79ft-138ft

Overall

15889

Females

5198

F45-49

5198

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15879

Females

5213

F45-49

5213

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14466

Females

4379

F45-49

4379

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

16019

Females

5287

F45-49

5287

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

14537

Females

4539

F45-49

4539

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13861

Females

4246

F45-49

4246

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13052

Females

3888

F45-49

3888

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12007

Females

3409

F45-49

3409

21M→35K

21.0 - 21.8 mi

Top 51%
×7story building
+17ft-86ft

Overall

13621

Females

4356

F45-49

4356

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12253

Females

3664

F45-49

3664

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11743

Females

3462

F45-49

3462

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

11193

Females

3263

F45-49

3263

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1story
+13ft-16ft

Overall

10284

Females

2864

F45-49

2864

25.2M→Finish

25.2 - 26.2 mi

Top 40%
×2story building
+22ft-21ft

Overall

10612

Females

3004

F45-49

3004

Passing Analysis

Category:
Athletes Passed
2364
Passed By
1056
Net Change
+1308
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15194
5K → 10K167483-316#15194#15510
10K → 15K140247-107#15510#15617
15K → 20K33952+287#15617#15330
20K → Half3145-14#15330#15344
Half → 25K21161+150#15344#15194
25K → 30K31163+248#15194#14946
30K → 20M17114+157#14946#14789
20M → 21M20313+190#14789#14599
21M → 35K7022+48#14599#14551
35K → 23M16015+145#14551#14406
23M → 24M16216+146#14406#14260
24M → 40K14611+135#14260#14125
40K → 25.2M782+76#14125#14049
25.2M → Finish17512+163#14049#13886
TOTALS23641056+1308
📊

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