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BOSTON MARATHON 2023

Alina Burns

Bib: 26956•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
11:35/mi
35:59
↑ 97↓ 3451.5%
10K· 6.21 mi
12:08/mi
1:13:41
↑ 79↓ 1380.4%
15K· 9.32 mi
12:27/mi
1:52:22
↑ 67↓ 78
20K· 12.43 mi
12:50/mi
2:32:14
↑ 106↓ 860.1%
Half· 13.11 mi
16:53/mi
2:43:45
↑ 19↓ 370.5%
25K· 15.53 mi
13:59/mi
3:17:40
↑ 66↓ 880.2%
30K· 18.64 mi
14:21/mi
4:02:16
↑ 181↓ 1480.2%
20M
15:08/mi
4:22:50
↑ 64↓ 500.2%
21M
15:20/mi
4:38:10
↑ 106↓ 241.6%
35K· 21.75 mi
14:07/mi
4:48:44
↑ 17↓ 861.7%
23M
14:25/mi
5:06:47
↑ 23↓ 630.6%
24M
13:46/mi
5:20:33
↓ 821.3%
40K· 24.85 mi
18:16/mi
5:36:10
↓ 200.3%
25.2M
16:49/mi
5:41:58
↑ 13↓ 160.2%
Finish· 26.22 mi
12:18/mi
5:54:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:43:45
Pace12:29 /mi
2nd Half
Distance13.11 mi
Time3:10:45
Pace14:33 /mi
📊Positive Split: 16.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:5035:5911:3535:59
11:35
-
10K
6.21 mi12:36:321:13:4111:5137:42
12:08
+0:33
15K
9.32 mi13:15:131:52:2212:0338:41
12:27
+0:19
20K
12.43 mi13:55:052:32:1412:1539:52
12:50
+0:23
Half
13.11 mi14:06:362:43:4512:2911:31
16:53
+4:03
25K
15.53 mi14:40:313:17:4012:4333:55
13:59
-2:54
30K
18.64 mi15:25:074:02:1613:0044:36
14:21
+0:22
20M
20.00 mi15:45:414:22:5013:0820:34
15:08
+0:47
21M
21.00 mi16:01:014:38:1013:1515:20
15:20
+0:12
35K
21.75 mi16:11:354:48:4413:1710:34
14:07
-1:13
23M
23.00 mi16:29:385:06:4713:2018:03
14:25
+0:18
24M
24.00 mi16:43:245:20:3313:2113:46
13:46
-0:39
40K
24.85 mi16:59:015:36:1013:3215:37
18:16
+4:30
25.2M
25.20 mi17:04:495:41:5813:345:48
16:49
-1:27
Finish
26.22 mi17:17:215:54:3013:3212:32
12:18
-4:31

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

11:35 /mi

Average Pace

13:32 /mi

Slowest Pace

18:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:44:46

46% of race

Time at Steady Pace

2:00:54

34% of race

Time at Slower Pace

1:08:50

19% of race

Average Pace: 13:31 /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 mi11:58:5035:5911:3535:59
11:35
#26257
10K
6.21 mi12:36:321:13:4111:5137:42
12:08
#26325
15K
9.32 mi13:15:131:52:2212:0338:41
12:27
#26325
20K
12.43 mi13:55:052:32:1412:1539:52
12:50
#26294
Half
13.11 mi14:06:362:43:4512:2911:31
16:53
#26395
25K
15.53 mi14:40:313:17:4012:4333:55
13:59
#26409
30K
18.64 mi15:25:074:02:1613:0044:36
14:21
#26393
20M
20.00 mi15:45:414:22:5013:0820:34
15:08
#26412
21M
21.00 mi16:01:014:38:1013:1515:20
15:20
#26396
35K
21.75 mi16:11:354:48:4413:1710:34
14:07
#26395
23M
23.00 mi16:29:385:06:4713:2018:03
14:25
#26394
24M
24.00 mi16:43:245:20:3313:2113:46
13:46
#26387
40K
24.85 mi16:59:015:36:1013:3215:37
18:16
#26448
25.2M
25.20 mi17:04:495:41:5813:345:48
16:49
#26450
Finish
26.22 mi17:17:215:54:3013:3212:32
12:18
#26428
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26257112011120126297(Top 99%)11233(Top 98%)11233(Top 230%)
10K6.21 mi3.10 mi26325-6811247-4611247-4626336(Top 99%)11255(Top 99%)11255(Top 230%)
15K9.32 mi3.11 mi2632511246+111246+126297(Top 99%)11233(Top 98%)11233(Top 230%)
20K12.43 mi3.11 mi26294+3111221+2511221+2526155(Top 98%)11143(Top 98%)11143(Top 228%)
Half13.11 mi0.68 mi26395-10111289-6811289-6826617(Top 100%)11421(Top 100%)11421(Top 234%)
25K15.53 mi2.42 mi26409-1411299-1011299-1026344(Top 99%)11270(Top 99%)11270(Top 231%)
30K18.64 mi3.11 mi26393+1611287+1211287+1226189(Top 98%)11195(Top 98%)11195(Top 229%)
20M20.00 mi1.36 mi26412-1911300-1311300-1326336(Top 99%)11299(Top 99%)11299(Top 231%)
21M21.00 mi1.00 mi26396+1611291+911291+925921(Top 97%)11064(Top 97%)11064(Top 227%)
35K21.75 mi0.75 mi26395+111292-111292-126180(Top 98%)11220(Top 98%)11220(Top 230%)
23M23.00 mi1.25 mi26394+1112921129226085(Top 98%)11177(Top 98%)11177(Top 229%)
24M24.00 mi1.00 mi26387+711289+311289+325959(Top 98%)11144(Top 98%)11144(Top 228%)
40K24.85 mi0.85 mi26448-6111326-3711326-3726576(Top 100%)11407(Top 100%)11407(Top 234%)
25.2M25.20 mi0.35 mi26450-211330-411330-426338(Top 99%)11323(Top 99%)11323(Top 232%)
Finish26.22 mi1.02 mi26428+2211317+1311317+1325519(Top 96%)10931(Top 96%)10931(Top 224%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26297

Females

11233

F18-39

11233

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26336

Females

11255

F18-39

11255

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26297

Females

11233

F18-39

11233

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

26155

Females

11143

F18-39

11143

20K→Half

12.4 - 13.1 mi

Top 100%
×2story building
+19ft-37ft

Overall

26617

Females

11421

F18-39

11421

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

26344

Females

11270

F18-39

11270

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

26189

Females

11195

F18-39

11195

30K→20M

18.6 - 20.0 mi

Top 99%
×5story building
+64ft-50ft

Overall

26336

Females

11299

F18-39

11299

20M→21M

20.0 - 21.0 mi

Top 97%
×8story building
+106ft-24ft

Overall

25921

Females

11064

F18-39

11064

21M→35K

21.0 - 21.8 mi

Top 98%
×7story building
+17ft-86ft

Overall

26180

Females

11220

F18-39

11220

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

26085

Females

11177

F18-39

11177

23M→24M

23.0 - 24.0 mi

Top 98%
×6story building
+12ft-82ft

Overall

25959

Females

11144

F18-39

11144

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26576

Females

11407

F18-39

11407

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26338

Females

11323

F18-39

11323

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2story building
+22ft-21ft

Overall

25519

Females

10931

F18-39

10931

Passing Analysis

Category:
Athletes Passed
274
Passed By
445
Net Change
-171
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26257
5K → 10K2694-68#26257#26325
10K → 15K39390#26325#26325
15K → 20K5322+31#26325#26294
20K → Half0101-101#26294#26395
Half → 25K2236-14#26395#26409
25K → 30K3822+16#26409#26393
30K → 20M928-19#26393#26412
20M → 21M237+16#26412#26396
21M → 35K87+1#26396#26395
35K → 23M1413+1#26395#26394
23M → 24M125+7#26394#26387
24M → 40K061-61#26387#26448
40K → 25.2M79-2#26448#26450
25.2M → Finish231+22#26450#26428
TOTALS274445-171
📊

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