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BOSTON MARATHON 2023

Kylie Bemis

Bib: 16431•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
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
7:46/mi
24:09
↑ 97↓ 3451.5%
10K· 6.21 mi
7:14/mi
46:36
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:09:17
↑ 67↓ 78
20K· 12.43 mi
7:27/mi
1:32:27
↑ 106↓ 860.1%
Half· 13.11 mi
7:15/mi
1:37:24
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:55:28
↑ 66↓ 880.2%
30K· 18.64 mi
7:33/mi
2:18:54
↑ 181↓ 1480.2%
20M
7:30/mi
2:29:06
↑ 64↓ 500.2%
21M
8:06/mi
2:37:12
↑ 106↓ 241.6%
35K· 21.75 mi
7:05/mi
2:42:30
↑ 17↓ 861.7%
23M
7:47/mi
2:52:15
↑ 23↓ 630.6%
24M
7:19/mi
2:59:34
↓ 821.3%
40K· 24.85 mi
7:24/mi
3:05:54
↓ 200.3%
25.2M
8:04/mi
3:08:41
↑ 13↓ 160.2%
Finish· 26.22 mi
7:25/mi
3:16:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:24
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:38:50
Pace7:32 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:2224:097:4624:09
7:46
-
10K
6.21 mi11:37:4946:367:3022:27
7:14
-0:32
15K
9.32 mi12:00:301:09:177:2622:41
7:18
+0:04
20K
12.43 mi12:23:401:32:277:2623:10
7:27
+0:09
Half
13.11 mi12:28:371:37:247:264:57
7:15
-0:12
25K
15.53 mi12:46:411:55:287:2618:04
7:27
+0:12
30K
18.64 mi13:10:072:18:547:2723:26
7:33
+0:06
20M
20.00 mi13:20:192:29:067:2710:12
7:30
-0:03
21M
21.00 mi13:28:252:37:127:298:06
8:06
+0:36
35K
21.75 mi13:33:432:42:307:285:18
7:05
-1:01
23M
23.00 mi13:43:282:52:157:299:45
7:47
+0:42
24M
24.00 mi13:50:472:59:347:297:19
7:19
-0:28
40K
24.85 mi13:57:073:05:547:296:20
7:24
+0:05
25.2M
25.20 mi13:59:543:08:417:292:47
8:04
+0:40
Finish
26.22 mi14:07:273:16:147:297:33
7:25
-0:39

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

7:05 /mi

Average Pace

7:29 /mi

Slowest Pace

8:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:05:21

94% of race

Time at Steady Pace

10:53

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi11:15:2224:097:4624:09
7:46
#12113
10K
6.21 mi11:37:4946:367:3022:27
7:14
#10024
15K
9.32 mi12:00:301:09:177:2622:41
7:18
#9465
20K
12.43 mi12:23:401:32:277:2623:10
7:27
#9319
Half
13.11 mi12:28:371:37:247:264:57
7:15
#9253
25K
15.53 mi12:46:411:55:287:2618:04
7:27
#9094
30K
18.64 mi13:10:072:18:547:2723:26
7:33
#8760
20M
20.00 mi13:20:192:29:067:2710:12
7:30
#8603
21M
21.00 mi13:28:252:37:127:298:06
8:06
#8543
35K
21.75 mi13:33:432:42:307:285:18
7:05
#8433
23M
23.00 mi13:43:282:52:157:299:45
7:47
#8385
24M
24.00 mi13:50:472:59:347:297:19
7:19
#8272
40K
24.85 mi13:57:073:05:547:296:20
7:24
#8162
25.2M
25.20 mi13:59:543:08:417:292:47
8:04
#8127
Finish
26.22 mi14:07:273:16:147:297:33
7:25
#8091
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi12113292629268564(Top 32%)1269(Top 11%)1269(Top 26%)
10K6.21 mi3.10 mi10024+20891849+10771849+10778312(Top 31%)1150(Top 10%)1150(Top 24%)
15K9.32 mi3.11 mi9465+5591601+2481601+2488564(Top 32%)1269(Top 11%)1269(Top 26%)
20K12.43 mi3.11 mi9319+1461565+361565+368979(Top 34%)1472(Top 13%)1472(Top 30%)
Half13.11 mi0.68 mi9253+661542+231542+238317(Top 31%)1222(Top 11%)1222(Top 25%)
25K15.53 mi2.42 mi9094+1591476+661476+668436(Top 32%)1340(Top 12%)1340(Top 27%)
30K18.64 mi3.11 mi8760+3341391+851391+857532(Top 28%)1120(Top 10%)1120(Top 23%)
20M20.00 mi1.36 mi8603+1571355+361355+366850(Top 26%)975(Top 9%)975(Top 20%)
21M21.00 mi1.00 mi8543+601354+11354+18029(Top 30%)1527(Top 13%)1527(Top 31%)
35K21.75 mi0.75 mi8433+1101325+291325+295870(Top 22%)733(Top 6%)733(Top 15%)
23M23.00 mi1.25 mi8385+48132513258341(Top 31%)1724(Top 15%)1724(Top 35%)
24M24.00 mi1.00 mi8272+1131308+171308+176519(Top 24%)1080(Top 9%)1080(Top 22%)
40K24.85 mi0.85 mi8162+1101288+201288+206179(Top 23%)1052(Top 9%)1052(Top 22%)
25.2M25.20 mi0.35 mi8127+351281+71281+76970(Top 26%)1393(Top 12%)1393(Top 29%)
Finish26.22 mi1.02 mi8091+361288-71288-77874(Top 30%)1773(Top 16%)1773(Top 36%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8564

Females

1269

F18-39

1269

5K→10K

3.1 - 6.2 mi

Top 31%
×5story building
+79ft-138ft

Overall

8312

Females

1150

F18-39

1150

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8564

Females

1269

F18-39

1269

15K→20K

9.3 - 12.4 mi

Top 34%
×5story building
+106ft-86ft

Overall

8979

Females

1472

F18-39

1472

20K→Half

12.4 - 13.1 mi

Top 31%
×2story building
+19ft-37ft

Overall

8317

Females

1222

F18-39

1222

Half→25K

13.1 - 15.5 mi

Top 32%
×4story building
+66ft-88ft

Overall

8436

Females

1340

F18-39

1340

25K→30K

15.5 - 18.6 mi

Top 28%
×9story building
+181ft-148ft

Overall

7532

Females

1120

F18-39

1120

30K→20M

18.6 - 20.0 mi

Top 26%
×5story building
+64ft-50ft

Overall

6850

Females

975

F18-39

975

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8029

Females

1527

F18-39

1527

21M→35K

21.0 - 21.8 mi

Top 22%
×7story building
+17ft-86ft

Overall

5870

Females

733

F18-39

733

35K→23M

21.8 - 23.0 mi

Top 31%
×5story building
+23ft-63ft

Overall

8341

Females

1724

F18-39

1724

23M→24M

23.0 - 24.0 mi

Top 24%
×6story building
+12ft-82ft

Overall

6519

Females

1080

F18-39

1080

24M→40K

24.0 - 24.9 mi

Top 23%
×1story
+6ft-20ft

Overall

6179

Females

1052

F18-39

1052

40K→25.2M

24.9 - 25.2 mi

Top 26%
×1story
+13ft-16ft

Overall

6970

Females

1393

F18-39

1393

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7874

Females

1773

F18-39

1773

Passing Analysis

Category:
Athletes Passed
4396*
Passed By
374
Net Change
+4022
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12113
5K → 10K2100*11+2089#12113#10024
10K → 15K582*23+559#10024#9465
15K → 20K21973+146#9465#9319
20K → Half726+66#9319#9253
Half → 25K19839+159#9253#9094
25K → 30K36531+334#9094#8760
30K → 20M16912+157#8760#8603
20M → 21M10444+60#8603#8543
21M → 35K1111+110#8543#8433
35K → 23M9951+48#8433#8385
23M → 24M13118+113#8385#8272
24M → 40K12111+110#8272#8162
40K → 25.2M5015+35#8162#8127
25.2M → Finish7539+36#8127#8091
TOTALS4396*374+4022

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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