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BOSTON MARATHON 2023

Kayley Heller

CO

Bib: 15391 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 42%
Gender (Female)
#0 / 11423
Top 23%
Division (F18-39)
#0 / 4884
Top 39%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
7:50/mi
24:21
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:52/mi
48:47
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:49/mi
1:13:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:04/mi
1:38:09
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:39/mi
1:43:22
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
7:47/mi
2:02:14
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:52/mi
2:26:41
↑ 181↓ 1480.2%
138 ft elev
20M
7:55/mi
2:37:26
↑ 64↓ 500.2%
148 ft elev
21M
8:21/mi
2:45:47
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:45/mi
2:51:35
↑ 17↓ 861.7%
156 ft elev
23M
7:55/mi
3:01:30
↑ 23↓ 630.6%
116 ft elev
24M
7:46/mi
3:09:16
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:57/mi
3:16:04
↓ 200.3%
20 ft elev
25.2M
7:57/mi
3:18:48
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:36/mi
3:26:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:43:11
Pace7:52 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:55:0024:217:5024:21
7:50
-
10K
6.21 mi11:19:2648:477:5124:26
7:52
+0:02
15K
9.32 mi11:43:441:13:057:5024:18
7:49
-0:03
20K
12.43 mi12:08:481:38:097:5425:04
8:04
+0:15
Half
13.11 mi12:14:011:43:227:535:13
7:39
-0:25
25K
15.53 mi12:32:532:02:147:5218:52
7:47
+0:08
30K
18.64 mi12:57:202:26:417:5224:27
7:52
+0:05
20M
20.00 mi13:08:052:37:267:5210:45
7:55
+0:03
21M
21.00 mi13:16:262:45:477:548:21
8:21
+0:26
35K
21.75 mi13:22:142:51:357:535:48
7:45
-0:36
23M
23.00 mi13:32:093:01:307:539:55
7:55
+0:10
24M
24.00 mi13:39:553:09:167:537:46
7:46
-0:09
40K
24.85 mi13:46:433:16:047:536:48
7:57
+0:11
25.2M
25.20 mi13:49:273:18:487:532:44
7:57
0:00
Finish
26.22 mi13:57:123:26:337:537:45
7:36
-0:21

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

7:36 /mi

Average Pace

7:53 /mi

Slowest Pace

8:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:08

84% of race

Time at Steady Pace

33:25

16% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:53 /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 mi10:55:0024:217:5024:21
7:50
#12736
10K
6.21 mi11:19:2648:477:5124:26
7:52
#13200
15K
9.32 mi11:43:441:13:057:5024:18
7:49
#13044
20K
12.43 mi12:08:481:38:097:5425:04
8:04
#13303
Half
13.11 mi12:14:011:43:227:535:13
7:39
#13187
25K
15.53 mi12:32:532:02:147:5218:52
7:47
#12772
30K
18.64 mi12:57:202:26:417:5224:27
7:52
#12201
20M
20.00 mi13:08:052:37:267:5210:45
7:55
#11975
21M
21.00 mi13:16:262:45:477:548:21
8:21
#11814
35K
21.75 mi13:22:142:51:357:535:48
7:45
#11765
23M
23.00 mi13:32:093:01:307:539:55
7:55
#11571
24M
24.00 mi13:39:553:09:167:537:46
7:46
#11469
40K
24.85 mi13:46:433:16:047:536:48
7:57
#11378
25.2M
25.20 mi13:49:273:18:487:532:44
7:57
#11264
Finish
26.22 mi13:57:123:26:337:537:45
7:36
#11144
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127363293329312908(Top 48%)3415(Top 30%)3415(Top 70%)
10K6.21 mi3.10 mi13200-4643565-2723565-27213682(Top 51%)3842(Top 34%)3842(Top 79%)
15K9.32 mi3.11 mi13044+1563484+813484+8112908(Top 48%)3415(Top 30%)3415(Top 70%)
20K12.43 mi3.11 mi13303-2593661-1773661-17713990(Top 53%)4097(Top 36%)4097(Top 84%)
Half13.11 mi0.68 mi13187+1163599+623599+6211468(Top 43%)2609(Top 23%)2609(Top 53%)
25K15.53 mi2.42 mi12772+4153380+2193380+21910962(Top 41%)2464(Top 22%)2464(Top 50%)
30K18.64 mi3.11 mi12201+5713095+2853095+2859924(Top 37%)2127(Top 19%)2127(Top 44%)
20M20.00 mi1.36 mi11975+2262981+1142981+1149666(Top 36%)2101(Top 18%)2101(Top 43%)
21M21.00 mi1.00 mi11814+1612910+712910+719566(Top 36%)2180(Top 19%)2180(Top 45%)
35K21.75 mi0.75 mi11765+492893+172893+1710342(Top 39%)2531(Top 22%)2531(Top 52%)
23M23.00 mi1.25 mi11571+1942809+842809+849245(Top 35%)2148(Top 19%)2148(Top 44%)
24M24.00 mi1.00 mi11469+1022772+372772+379571(Top 36%)2381(Top 21%)2381(Top 49%)
40K24.85 mi0.85 mi11378+912748+242748+249667(Top 36%)2510(Top 22%)2510(Top 51%)
25.2M25.20 mi0.35 mi11264+1142703+452703+456212(Top 23%)1159(Top 10%)1159(Top 24%)
Finish26.22 mi1.02 mi11144+1202660+432660+439335(Top 35%)2393(Top 21%)2393(Top 49%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21story building
+97ft-345ft

Overall

12908

Females

3415

F18-39

3415

5K→10K

3.1 - 6.2 mi

Top 51%
×5story building
+79ft-138ft

Overall

13682

Females

3842

F18-39

3842

10K→15K

6.2 - 9.3 mi

Top 48%
×3story building
+67ft-78ft

Overall

12908

Females

3415

F18-39

3415

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

13990

Females

4097

F18-39

4097

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11468

Females

2609

F18-39

2609

Half→25K

13.1 - 15.5 mi

Top 41%
×4story building
+66ft-88ft

Overall

10962

Females

2464

F18-39

2464

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9924

Females

2127

F18-39

2127

30K→20M

18.6 - 20.0 mi

Top 36%
×5story building
+64ft-50ft

Overall

9666

Females

2101

F18-39

2101

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9566

Females

2180

F18-39

2180

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10342

Females

2531

F18-39

2531

35K→23M

21.8 - 23.0 mi

Top 35%
×5story building
+23ft-63ft

Overall

9245

Females

2148

F18-39

2148

23M→24M

23.0 - 24.0 mi

Top 36%
×6story building
+12ft-82ft

Overall

9571

Females

2381

F18-39

2381

24M→40K

24.0 - 24.9 mi

Top 36%
×1story
+6ft-20ft

Overall

9667

Females

2510

F18-39

2510

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6212

Females

1159

F18-39

1159

25.2M→Finish

25.2 - 26.2 mi

Top 35%
×2story building
+22ft-21ft

Overall

9335

Females

2393

F18-39

2393

Passing Analysis

Category:
Athletes Passed
2859
Passed By
1267
Net Change
+1592
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12736
5K → 10K140604-464#12736#13200
10K → 15K292136+156#13200#13044
15K → 20K107366-259#13044#13303
20K → Half1193+116#13303#13187
Half → 25K4194+415#13187#12772
25K → 30K5798+571#12772#12201
30K → 20M24317+226#12201#11975
20M → 21M18120+161#11975#11814
21M → 35K7324+49#11814#11765
35K → 23M21117+194#11765#11571
23M → 24M12220+102#11571#11469
24M → 40K11120+91#11469#11378
40K → 25.2M1151+114#11378#11264
25.2M → Finish14727+120#11264#11144
TOTALS28591267+1592
📊

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