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BOSTON MARATHON 2023

Erin Burke

Bib: 17921•F

ID

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
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
7:57/mi
24:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:44/mi
48:43
↑ 79↓ 1380.4%
15K· 9.32 mi
7:38/mi
1:12:27
↑ 67↓ 78
20K· 12.43 mi
7:43/mi
1:36:24
↑ 106↓ 860.1%
Half· 13.11 mi
7:34/mi
1:41:34
↑ 19↓ 370.5%
25K· 15.53 mi
8:02/mi
2:01:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:26/mi
2:27:15
↑ 181↓ 1480.2%
20M
8:25/mi
2:38:41
↑ 64↓ 500.2%
21M
9:08/mi
2:47:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:01/mi
2:53:49
↑ 17↓ 861.7%
23M
8:35/mi
3:04:34
↑ 23↓ 630.6%
24M
8:24/mi
3:12:58
↓ 821.3%
40K· 24.85 mi
8:47/mi
3:20:29
↓ 200.3%
25.2M
9:05/mi
3:23:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:10/mi
3:31:56
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:34
Pace7:45 /mi
2nd Half
Distance13.11 mi
Time1:50:22
Pace8:25 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:1624:427:5724:42
7:57
-
10K
6.21 mi11:39:1748:437:5024:01
7:44
-0:13
15K
9.32 mi12:03:011:12:277:4623:44
7:38
-0:06
20K
12.43 mi12:26:581:36:247:4523:57
7:43
+0:05
Half
13.11 mi12:32:081:41:347:455:10
7:34
-0:09
25K
15.53 mi12:51:372:01:037:4819:29
8:02
+0:28
30K
18.64 mi13:17:492:27:157:5426:12
8:26
+0:24
20M
20.00 mi13:29:152:38:417:5611:26
8:25
-0:01
21M
21.00 mi13:38:232:47:497:599:08
9:08
+0:43
35K
21.75 mi13:44:232:53:498:006:00
8:01
-1:07
23M
23.00 mi13:55:083:04:348:0110:45
8:35
+0:34
24M
24.00 mi14:03:323:12:588:028:24
8:24
-0:11
40K
24.85 mi14:11:033:20:298:047:31
8:47
+0:23
25.2M
25.20 mi14:14:113:23:378:053:08
9:05
+0:18
Finish
26.22 mi14:22:303:31:568:058:19
8:10
-0:55

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

7:34 /mi

Average Pace

8:05 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:52

36% of race

Time at Steady Pace

1:06:54

32% of race

Time at Slower Pace

1:08:10

32% of race

Average Pace: 8:05 /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 mi11:15:1624:427:5724:42
7:57
#13651
10K
6.21 mi11:39:1748:437:5024:01
7:44
#13102
15K
9.32 mi12:03:011:12:277:4623:44
7:38
#12443
20K
12.43 mi12:26:581:36:247:4523:57
7:43
#12025
Half
13.11 mi12:32:081:41:347:455:10
7:34
#11974
25K
15.53 mi12:51:372:01:037:4819:29
8:02
#12124
30K
18.64 mi13:17:492:27:157:5426:12
8:26
#12453
20M
20.00 mi13:29:152:38:417:5611:26
8:25
#12504
21M
21.00 mi13:38:232:47:497:599:08
9:08
#12595
35K
21.75 mi13:44:232:53:498:006:00
8:01
#12570
23M
23.00 mi13:55:083:04:348:0110:45
8:35
#12630
24M
24.00 mi14:03:323:12:588:028:24
8:24
#12694
40K
24.85 mi14:11:033:20:298:047:31
8:47
#12787
25.2M
25.20 mi14:14:113:23:378:053:08
9:05
#12788
Finish
26.22 mi14:22:303:31:568:058:19
8:10
#12790
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi136513814381411356(Top 43%)2547(Top 22%)2547(Top 52%)
10K6.21 mi3.10 mi13102+5493508+3063508+30612527(Top 47%)3166(Top 28%)3166(Top 65%)
15K9.32 mi3.11 mi12443+6593142+3663142+36611356(Top 43%)2547(Top 22%)2547(Top 52%)
20K12.43 mi3.11 mi12025+4182926+2162926+21611010(Top 41%)2414(Top 21%)2414(Top 49%)
Half13.11 mi0.68 mi11974+512902+242902+2410904(Top 41%)2333(Top 20%)2333(Top 48%)
25K15.53 mi2.42 mi12124-1503012-1103012-11013041(Top 49%)3648(Top 32%)3648(Top 75%)
30K18.64 mi3.11 mi12453-3293227-2153227-21513887(Top 52%)4261(Top 37%)4261(Top 87%)
20M20.00 mi1.36 mi12504-513273-463273-4613109(Top 49%)3916(Top 34%)3916(Top 80%)
21M21.00 mi1.00 mi12595-913356-833356-8314130(Top 53%)4550(Top 40%)4550(Top 93%)
35K21.75 mi0.75 mi12570+253350+63350+612315(Top 46%)3606(Top 32%)3606(Top 74%)
23M23.00 mi1.25 mi12630-603408-583408-5813730(Top 52%)4458(Top 39%)4458(Top 91%)
24M24.00 mi1.00 mi12694-643469-613469-6113886(Top 52%)4601(Top 40%)4601(Top 94%)
40K24.85 mi0.85 mi12787-933542-733542-7315044(Top 57%)5313(Top 47%)5313(Top 109%)
25.2M25.20 mi0.35 mi12788-13551-93551-913051(Top 49%)4249(Top 37%)4249(Top 87%)
Finish26.22 mi1.02 mi12790-23581-303581-3013192(Top 50%)4301(Top 38%)4301(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21story building
+97ft-345ft

Overall

11356

Females

2547

F18-39

2547

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12527

Females

3166

F18-39

3166

10K→15K

6.2 - 9.3 mi

Top 43%
×3story building
+67ft-78ft

Overall

11356

Females

2547

F18-39

2547

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

11010

Females

2414

F18-39

2414

20K→Half

12.4 - 13.1 mi

Top 41%
×2story building
+19ft-37ft

Overall

10904

Females

2333

F18-39

2333

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13041

Females

3648

F18-39

3648

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13887

Females

4261

F18-39

4261

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13109

Females

3916

F18-39

3916

20M→21M

20.0 - 21.0 mi

Top 53%
×8story building
+106ft-24ft

Overall

14130

Females

4550

F18-39

4550

21M→35K

21.0 - 21.8 mi

Top 46%
×7story building
+17ft-86ft

Overall

12315

Females

3606

F18-39

3606

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13730

Females

4458

F18-39

4458

23M→24M

23.0 - 24.0 mi

Top 52%
×6story building
+12ft-82ft

Overall

13886

Females

4601

F18-39

4601

24M→40K

24.0 - 24.9 mi

Top 57%
×1story
+6ft-20ft

Overall

15044

Females

5313

F18-39

5313

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

13051

Females

4249

F18-39

4249

25.2M→Finish

25.2 - 26.2 mi

Top 50%
×2story building
+22ft-21ft

Overall

13192

Females

4301

F18-39

4301

Passing Analysis

Category:
Athletes Passed
2517
Passed By
1656
Net Change
+861
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13651
5K → 10K662113+549#13651#13102
10K → 15K69435+659#13102#12443
15K → 20K44729+418#12443#12025
20K → Half598+51#12025#11974
Half → 25K83233-150#11974#12124
25K → 30K120449-329#12124#12453
30K → 20M81132-51#12453#12504
20M → 21M65156-91#12504#12595
21M → 35K6338+25#12595#12570
35K → 23M65125-60#12570#12630
23M → 24M52116-64#12630#12694
24M → 40K34127-93#12694#12787
40K → 25.2M2829-1#12787#12788
25.2M → Finish6466-2#12788#12790
TOTALS25171656+861
📊

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