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BOSTON MARATHON 2023

Bailey Dergan

Bib: 10882•F

MN

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 47%
Gender (Female)
#0 / 11423
Top 30%
Division (F18-39)
#0 / 4884
Top 48%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:19
Rank: #12633
Start → 5K
24:19 | 7:50/mi
10K· 6.21 mi
48:09
Rank: #12269 (+364)
5K → 10K
23:50 | 7:40/mi
15K· 9.32 mi
1:11:47
Rank: #11800 (+469)
10K → 15K
23:38 | 7:36/mi
20K· 12.43 mi
1:35:35
Rank: #11462 (+338)
15K → 20K
23:48 | 7:40/mi
Half· 13.11 mi
1:40:42
Rank: #11376 (+86)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:59:40
Rank: #11334 (+42)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:24:41
Rank: #11265 (+69)
25K → 30K
25:01 | 8:03/mi
20M
2:35:58
Rank: #11351 (-86)
30K → 20M
11:17 | 8:18/mi
21M
2:45:03
Rank: #11514 (-163)
20M → 21M
9:05 | 9:05/mi
35K· 21.75 mi
2:51:09
Rank: #11586 (-72)
21M → 35K
6:06 | 8:09/mi
23M
3:02:01
Rank: #11770 (-184)
35K → 23M
10:52 | 8:41/mi
24M
3:10:26
Rank: #11879 (-109)
23M → 24M
8:25 | 8:25/mi
40K· 24.85 mi
3:18:00
Rank: #12027 (-148)
24M → 40K
7:34 | 8:51/mi
25.2M
3:21:39
Rank: #12198 (-171)
40K → 25.2M
3:39 | 10:35/mi
Finish· 26.22 mi
3:31:08
Rank: #12582 (-384)
25.2M → Finish
9:29 | 9:18/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:42
Pace7:41 /mi
2nd Half
Distance13.11 mi
Time1:50:26
Pace8:25 /mi
📊Positive Split: 9.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:3524:197:5024:19
7:50
-
10K
6.21 mi11:14:2548:097:4523:50
7:40
-0:10
15K
9.32 mi11:38:031:11:477:4223:38
7:36
-0:04
20K
12.43 mi12:01:511:35:357:4123:48
7:40
+0:04
Half
13.11 mi12:06:581:40:427:415:07
7:30
-0:10
25K
15.53 mi12:25:561:59:407:4218:58
7:49
+0:19
30K
18.64 mi12:50:572:24:417:4625:01
8:03
+0:14
20M
20.00 mi13:02:142:35:587:4811:17
8:18
+0:15
21M
21.00 mi13:11:192:45:037:529:05
9:05
+0:47
35K
21.75 mi13:17:252:51:097:526:06
8:09
-0:56
23M
23.00 mi13:28:173:02:017:5510:52
8:41
+0:32
24M
24.00 mi13:36:423:10:267:568:25
8:25
-0:16
40K
24.85 mi13:44:163:18:007:587:34
8:51
+0:26
25.2M
25.20 mi13:47:553:21:398:003:39
10:35
+1:44
Finish
26.22 mi13:57:243:31:088:049:29
9:18
-1:17

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

7:30 /mi

Average Pace

8:04 /mi

Slowest Pace

10:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:16:23

36% of race

Time at Steady Pace

1:34:06

45% of race

Time at Slower Pace

40:39

19% of race

Average Pace: 8:03 /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 mi10:50:3524:197:5024:19
7:50
#12633
10K
6.21 mi11:14:2548:097:4523:50
7:40
#12269
15K
9.32 mi11:38:031:11:477:4223:38
7:36
#11800
20K
12.43 mi12:01:511:35:357:4123:48
7:40
#11462
Half
13.11 mi12:06:581:40:427:415:07
7:30
#11376
25K
15.53 mi12:25:561:59:407:4218:58
7:49
#11334
30K
18.64 mi12:50:572:24:417:4625:01
8:03
#11265
20M
20.00 mi13:02:142:35:587:4811:17
8:18
#11351
21M
21.00 mi13:11:192:45:037:529:05
9:05
#11514
35K
21.75 mi13:17:252:51:097:526:06
8:09
#11586
23M
23.00 mi13:28:173:02:017:5510:52
8:41
#11770
24M
24.00 mi13:36:423:10:267:568:25
8:25
#11879
40K
24.85 mi13:44:163:18:007:587:34
8:51
#12027
25.2M
25.20 mi13:47:553:21:398:003:39
10:35
#12198
Finish
26.22 mi13:57:243:31:088:049:29
9:18
#12582
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126333239323911102(Top 42%)2413(Top 21%)2413(Top 49%)
10K6.21 mi3.10 mi12269+3643017+2223017+22212009(Top 45%)2880(Top 25%)2880(Top 59%)
15K9.32 mi3.11 mi11800+4692787+2302787+23011102(Top 42%)2413(Top 21%)2413(Top 49%)
20K12.43 mi3.11 mi11462+3382595+1922595+19210613(Top 40%)2212(Top 19%)2212(Top 45%)
Half13.11 mi0.68 mi11376+862553+422553+4210333(Top 39%)2066(Top 18%)2066(Top 42%)
25K15.53 mi2.42 mi11334+422555-22555-211317(Top 43%)2673(Top 23%)2673(Top 55%)
30K18.64 mi3.11 mi11265+692571-162571-1611337(Top 43%)2812(Top 25%)2812(Top 58%)
20M20.00 mi1.36 mi11351-862627-562627-5612404(Top 47%)3522(Top 31%)3522(Top 72%)
21M21.00 mi1.00 mi11514-1632739-1122739-11213895(Top 52%)4428(Top 39%)4428(Top 91%)
35K21.75 mi0.75 mi11586-722797-582797-5813166(Top 49%)4087(Top 36%)4087(Top 84%)
23M23.00 mi1.25 mi11770-1842919-1222919-12214252(Top 54%)4752(Top 42%)4752(Top 97%)
24M24.00 mi1.00 mi11879-1093000-813000-8113981(Top 53%)4655(Top 41%)4655(Top 95%)
40K24.85 mi0.85 mi12027-1483117-1173117-11715356(Top 58%)5488(Top 48%)5488(Top 112%)
25.2M25.20 mi0.35 mi12198-1713215-983215-9819355(Top 73%)7689(Top 67%)7689(Top 157%)
Finish26.22 mi1.02 mi12582-3843455-2403455-24019397(Top 73%)7666(Top 67%)7666(Top 157%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21stories
+97ft-345ft

Overall

11102

Females

2413

F18-39

2413

5K→10K

3.1 - 6.2 mi

Top 45%
×5stories
+79ft-138ft

Overall

12009

Females

2880

F18-39

2880

10K→15K

6.2 - 9.3 mi

Top 42%
×3stories
+67ft-78ft

Overall

11102

Females

2413

F18-39

2413

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10613

Females

2212

F18-39

2212

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10333

Females

2066

F18-39

2066

Half→25K

13.1 - 15.5 mi

Top 43%
×4stories
+66ft-88ft

Overall

11317

Females

2673

F18-39

2673

25K→30K

15.5 - 18.6 mi

Top 43%
×9stories
+181ft-148ft

Overall

11337

Females

2812

F18-39

2812

30K→20M

18.6 - 20.0 mi

Top 47%
×5stories
+64ft-50ft

Overall

12404

Females

3522

F18-39

3522

20M→21M

20.0 - 21.0 mi

Top 52%
×8stories
+106ft-24ft

Overall

13895

Females

4428

F18-39

4428

21M→35K

21.0 - 21.8 mi

Top 49%
×7stories
+17ft-86ft

Overall

13166

Females

4087

F18-39

4087

35K→23M

21.8 - 23.0 mi

Top 54%
×5stories
+23ft-63ft

Overall

14252

Females

4752

F18-39

4752

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

13981

Females

4655

F18-39

4655

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

15356

Females

5488

F18-39

5488

40K→25.2M

24.9 - 25.2 mi

Top 73%
×1story
+13ft-16ft

Overall

19355

Females

7689

F18-39

7689

25.2M→Finish

25.2 - 26.2 mi

Top 73%
×2stories
+22ft-21ft

Overall

19397

Females

7666

F18-39

7666

Passing Analysis

Category:
Athletes Passed
2125
Passed By
2074
Net Change
+51
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12633
5K → 10K533169+364#12633#12269
10K → 15K51546+469#12269#11800
15K → 20K37436+338#11800#11462
20K → Half904+86#11462#11376
Half → 25K13290+42#11376#11334
25K → 30K214145+69#11334#11265
30K → 20M60146-86#11265#11351
20M → 21M45208-163#11351#11514
21M → 35K34106-72#11514#11586
35K → 23M49233-184#11586#11770
23M → 24M38147-109#11770#11879
24M → 40K27175-148#11879#12027
40K → 25.2M3174-171#12027#12198
25.2M → Finish11395-384#12198#12582
TOTALS21252074+51
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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