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BOSTON MARATHON 2023

Ellen Suh

Bib: 19534•F

CA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
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
8:21/mi
25:57
↑ 97↓ 3451.5%
10K· 6.21 mi
8:12/mi
51:25
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:17:01
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:42:53
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:48:29
↑ 19↓ 370.5%
25K· 15.53 mi
8:21/mi
2:08:43
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:35:31
↑ 181↓ 1480.2%
20M
8:45/mi
2:47:25
↑ 64↓ 500.2%
21M
9:19/mi
2:56:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:07/mi
3:02:48
↑ 17↓ 861.7%
23M
8:38/mi
3:13:36
↑ 23↓ 630.6%
24M
8:21/mi
3:21:57
↓ 821.3%
40K· 24.85 mi
8:28/mi
3:29:11
↓ 200.3%
25.2M
9:11/mi
3:32:21
↑ 13↓ 160.2%
Finish· 26.22 mi
8:17/mi
3:40:47
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:29
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:52:18
Pace8:34 /mi
📊Positive Split: 3.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:0725:578:2125:57
8:21
-
10K
6.21 mi11:43:3551:258:1625:28
8:12
-0:09
15K
9.32 mi12:09:111:17:018:1625:36
8:14
+0:02
20K
12.43 mi12:35:031:42:538:1725:52
8:20
+0:06
Half
13.11 mi12:40:391:48:298:175:36
8:12
-0:08
25K
15.53 mi13:00:532:08:438:1720:14
8:21
+0:09
30K
18.64 mi13:27:412:35:318:2126:48
8:38
+0:17
20M
20.00 mi13:39:352:47:258:2211:54
8:45
+0:07
21M
21.00 mi13:48:542:56:448:259:19
9:19
+0:34
35K
21.75 mi13:54:583:02:488:246:04
8:07
-1:12
23M
23.00 mi14:05:463:13:368:2510:48
8:38
+0:31
24M
24.00 mi14:14:073:21:578:258:21
8:21
-0:17
40K
24.85 mi14:21:213:29:118:257:14
8:28
+0:07
25.2M
25.20 mi14:24:313:32:218:263:10
9:11
+0:43
Finish
26.22 mi14:32:573:40:478:268:26
8:17
-0:54

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

8:07 /mi

Average Pace

8:26 /mi

Slowest Pace

9:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:18

94% of race

Time at Steady Pace

12:29

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:25 /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 mi11:18:0725:578:2125:57
8:21
#16521
10K
6.21 mi11:43:3551:258:1625:28
8:12
#16327
15K
9.32 mi12:09:111:17:018:1625:36
8:14
#16262
20K
12.43 mi12:35:031:42:538:1725:52
8:20
#16117
Half
13.11 mi12:40:391:48:298:175:36
8:12
#16098
25K
15.53 mi13:00:532:08:438:1720:14
8:21
#15943
30K
18.64 mi13:27:412:35:318:2126:48
8:38
#15765
20M
20.00 mi13:39:352:47:258:2211:54
8:45
#15680
21M
21.00 mi13:48:542:56:448:259:19
9:19
#15635
35K
21.75 mi13:54:583:02:488:246:04
8:07
#15528
23M
23.00 mi14:05:463:13:368:2510:48
8:38
#15416
24M
24.00 mi14:14:073:21:578:258:21
8:21
#15314
40K
24.85 mi14:21:213:29:118:257:14
8:28
#15219
25.2M
25.20 mi14:24:313:32:218:263:10
9:11
#15178
Finish
26.22 mi14:32:573:40:478:268:26
8:17
#15137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165215614561416144(Top 61%)5377(Top 47%)5377(Top 286%)
10K6.21 mi3.10 mi16327+1945476+1385476+13816232(Top 61%)5417(Top 47%)5417(Top 288%)
15K9.32 mi3.11 mi16262+655446+305446+3016144(Top 61%)5377(Top 47%)5377(Top 286%)
20K12.43 mi3.11 mi16117+1455377+695377+6915771(Top 59%)5206(Top 46%)5206(Top 277%)
Half13.11 mi0.68 mi16098+195373+45373+415890(Top 60%)5222(Top 46%)5222(Top 278%)
25K15.53 mi2.42 mi15943+1555299+745299+7415236(Top 57%)4980(Top 44%)4980(Top 265%)
30K18.64 mi3.11 mi15765+1785233+665233+6615077(Top 57%)4980(Top 44%)4980(Top 265%)
20M20.00 mi1.36 mi15680+855194+395194+3915206(Top 57%)5115(Top 45%)5115(Top 272%)
21M21.00 mi1.00 mi15635+455201-75201-715093(Top 57%)5110(Top 45%)5110(Top 272%)
35K21.75 mi0.75 mi15528+1075153+485153+4812923(Top 49%)3976(Top 35%)3976(Top 212%)
23M23.00 mi1.25 mi15416+1125109+445109+4413963(Top 52%)4596(Top 40%)4596(Top 245%)
24M24.00 mi1.00 mi15314+1025051+585051+5813569(Top 51%)4438(Top 39%)4438(Top 236%)
40K24.85 mi0.85 mi15219+955004+475004+4713119(Top 49%)4275(Top 37%)4275(Top 228%)
25.2M25.20 mi0.35 mi15178+414995+94995+913620(Top 51%)4557(Top 40%)4557(Top 243%)
Finish26.22 mi1.02 mi15137+414991+44991+413975(Top 52%)4726(Top 41%)4726(Top 252%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16144

Females

5377

F40-44

5377

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16232

Females

5417

F40-44

5417

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16144

Females

5377

F40-44

5377

15K→20K

9.3 - 12.4 mi

Top 59%
×5story building
+106ft-86ft

Overall

15771

Females

5206

F40-44

5206

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15890

Females

5222

F40-44

5222

Half→25K

13.1 - 15.5 mi

Top 57%
×4story building
+66ft-88ft

Overall

15236

Females

4980

F40-44

4980

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15077

Females

4980

F40-44

4980

30K→20M

18.6 - 20.0 mi

Top 57%
×5story building
+64ft-50ft

Overall

15206

Females

5115

F40-44

5115

20M→21M

20.0 - 21.0 mi

Top 57%
×8story building
+106ft-24ft

Overall

15093

Females

5110

F40-44

5110

21M→35K

21.0 - 21.8 mi

Top 49%
×7story building
+17ft-86ft

Overall

12923

Females

3976

F40-44

3976

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13963

Females

4596

F40-44

4596

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13569

Females

4438

F40-44

4438

24M→40K

24.0 - 24.9 mi

Top 49%
×1story
+6ft-20ft

Overall

13119

Females

4275

F40-44

4275

40K→25.2M

24.9 - 25.2 mi

Top 51%
×1story
+13ft-16ft

Overall

13620

Females

4557

F40-44

4557

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13975

Females

4726

F40-44

4726

Passing Analysis

Category:
Athletes Passed
2262
Passed By
878
Net Change
+1384
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16521
5K → 10K413219+194#16521#16327
10K → 15K221156+65#16327#16262
15K → 20K23792+145#16262#16117
20K → Half4526+19#16117#16098
Half → 25K21257+155#16098#15943
25K → 30K26890+178#15943#15765
30K → 20M12540+85#15765#15680
20M → 21M10560+45#15680#15635
21M → 35K1136+107#15635#15528
35K → 23M14533+112#15528#15416
23M → 24M12321+102#15416#15314
24M → 40K11318+95#15314#15219
40K → 25.2M5716+41#15219#15178
25.2M → Finish8544+41#15178#15137
TOTALS2262878+1384
📊

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