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BOSTON MARATHON 2023

Rachel Burdick

Bib: 12904•F

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Overall
#0 / 26622
Top 38%
Gender (Female)
#0 / 11423
Top 19%
Division (F18-39)
#0 / 4884
Top 33%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:30
Rank: #10222
Start → 5K
23:30 | 7:34/mi
10K· 6.21 mi
46:20
Rank: #9639 (+583)
5K → 10K
22:50 | 7:21/mi
15K· 9.32 mi
1:09:23
Rank: #9574 (+65)
10K → 15K
23:03 | 7:25/mi
20K· 12.43 mi
1:32:21
Rank: #9259 (+315)
15K → 20K
22:58 | 7:24/mi
Half· 13.11 mi
1:37:20
Rank: #9209 (+50)
20K → Half
4:59 | 7:18/mi
25K· 15.53 mi
1:55:28
Rank: #9097 (+112)
Half → 25K
18:08 | 7:29/mi
30K· 18.64 mi
2:19:54
Rank: #9204 (-107)
25K → 30K
24:26 | 7:52/mi
20M
2:30:56
Rank: #9332 (-128)
30K → 20M
11:02 | 8:07/mi
21M
2:39:58
Rank: #9567 (-235)
20M → 21M
9:02 | 9:02/mi
35K· 21.75 mi
2:46:02
Rank: #9673 (-106)
21M → 35K
6:04 | 8:06/mi
23M
2:56:11
Rank: #9690 (-17)
35K → 23M
10:09 | 8:06/mi
24M
3:04:04
Rank: #9690
23M → 24M
7:53 | 7:53/mi
40K· 24.85 mi
3:12:16
Rank: #10126 (-436)
24M → 40K
8:12 | 9:35/mi
25.2M
3:15:17
Rank: #10116 (+10)
40K → 25.2M
3:01 | 8:45/mi
Finish· 26.22 mi
3:23:10
Rank: #10091 (+25)
25.2M → Finish
7:53 | 7:44/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:20
Pace7:25 /mi
2nd Half
Distance13.11 mi
Time1:45:50
Pace8:04 /mi
📊Positive Split: 8.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:51:0623:307:3423:30
7:34
-
10K
6.21 mi11:13:5646:207:2722:50
7:21
-0:13
15K
9.32 mi11:36:591:09:237:2723:03
7:25
+0:04
20K
12.43 mi11:59:571:32:217:2622:58
7:24
-0:01
Half
13.11 mi12:04:561:37:207:254:59
7:18
-0:06
25K
15.53 mi12:23:041:55:287:2618:08
7:29
+0:11
30K
18.64 mi12:47:302:19:547:3024:26
7:52
+0:23
20M
20.00 mi12:58:322:30:567:3311:02
8:07
+0:15
21M
21.00 mi13:07:342:39:587:379:02
9:02
+0:55
35K
21.75 mi13:13:382:46:027:386:04
8:06
-0:56
23M
23.00 mi13:23:472:56:117:4010:09
8:06
0:00
24M
24.00 mi13:31:403:04:047:407:53
7:53
-0:13
40K
24.85 mi13:39:523:12:167:448:12
9:35
+1:42
25.2M
25.20 mi13:42:533:15:177:453:01
8:45
-0:50
Finish
26.22 mi13:50:463:23:107:457:53
7:44
-1:01

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

7:18 /mi

Average Pace

7:45 /mi

Slowest Pace

9:35 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:31:58

45% of race

Time at Steady Pace

1:30:57

45% of race

Time at Slower Pace

20:15

10% of race

Average Pace: 7:45 /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 mi10:51:0623:307:3423:30
7:34
#10222
10K
6.21 mi11:13:5646:207:2722:50
7:21
#9639
15K
9.32 mi11:36:591:09:237:2723:03
7:25
#9574
20K
12.43 mi11:59:571:32:217:2622:58
7:24
#9259
Half
13.11 mi12:04:561:37:207:254:59
7:18
#9209
25K
15.53 mi12:23:041:55:287:2618:08
7:29
#9097
30K
18.64 mi12:47:302:19:547:3024:26
7:52
#9204
20M
20.00 mi12:58:322:30:567:3311:02
8:07
#9332
21M
21.00 mi13:07:342:39:587:379:02
9:02
#9567
35K
21.75 mi13:13:382:46:027:386:04
8:06
#9673
23M
23.00 mi13:23:472:56:117:4010:09
8:06
#9690
24M
24.00 mi13:31:403:04:047:407:53
7:53
#9690
40K
24.85 mi13:39:523:12:167:448:12
9:35
#10126
25.2M
25.20 mi13:42:533:15:177:453:01
8:45
#10116
Finish
26.22 mi13:50:463:23:107:457:53
7:44
#10091
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 mi10222196519659527(Top 36%)1633(Top 14%)1633(Top 33%)
10K6.21 mi3.10 mi9639+5831679+2861679+2869241(Top 35%)1514(Top 13%)1514(Top 31%)
15K9.32 mi3.11 mi9574+651648+311648+319527(Top 36%)1633(Top 14%)1633(Top 33%)
20K12.43 mi3.11 mi9259+3151544+1041544+1048467(Top 32%)1289(Top 11%)1289(Top 26%)
Half13.11 mi0.68 mi9209+501523+211523+218729(Top 33%)1389(Top 12%)1389(Top 28%)
25K15.53 mi2.42 mi9097+1121479+441479+448647(Top 32%)1411(Top 12%)1411(Top 29%)
30K18.64 mi3.11 mi9204-1071567-881567-889866(Top 37%)2099(Top 18%)2099(Top 43%)
20M20.00 mi1.36 mi9332-1281648-811648-8111165(Top 42%)2806(Top 25%)2806(Top 57%)
21M21.00 mi1.00 mi9567-2351757-1091757-10913601(Top 51%)4257(Top 37%)4257(Top 87%)
35K21.75 mi0.75 mi9673-1061809-521809-5212791(Top 48%)3895(Top 34%)3895(Top 80%)
23M23.00 mi1.25 mi9690-171858-491858-4910566(Top 40%)2812(Top 25%)2812(Top 58%)
24M24.00 mi1.00 mi96901885-271885-2710424(Top 39%)2790(Top 24%)2790(Top 57%)
40K24.85 mi0.85 mi10126-4362118-2332118-23318649(Top 70%)7290(Top 64%)7290(Top 149%)
25.2M25.20 mi0.35 mi10116+102120-22120-211042(Top 41%)3200(Top 28%)3200(Top 66%)
Finish26.22 mi1.02 mi10091+252143-232143-2310221(Top 38%)2798(Top 24%)2798(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9527

Females

1633

F18-39

1633

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

9241

Females

1514

F18-39

1514

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9527

Females

1633

F18-39

1633

15K→20K

9.3 - 12.4 mi

Top 32%
×5stories
+106ft-86ft

Overall

8467

Females

1289

F18-39

1289

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

8729

Females

1389

F18-39

1389

Half→25K

13.1 - 15.5 mi

Top 32%
×4stories
+66ft-88ft

Overall

8647

Females

1411

F18-39

1411

25K→30K

15.5 - 18.6 mi

Top 37%
×9stories
+181ft-148ft

Overall

9866

Females

2099

F18-39

2099

30K→20M

18.6 - 20.0 mi

Top 42%
×5stories
+64ft-50ft

Overall

11165

Females

2806

F18-39

2806

20M→21M

20.0 - 21.0 mi

Top 51%
×8stories
+106ft-24ft

Overall

13601

Females

4257

F18-39

4257

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12791

Females

3895

F18-39

3895

35K→23M

21.8 - 23.0 mi

Top 40%
×5stories
+23ft-63ft

Overall

10566

Females

2812

F18-39

2812

23M→24M

23.0 - 24.0 mi

Top 39%
×6stories
+12ft-82ft

Overall

10424

Females

2790

F18-39

2790

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18649

Females

7290

F18-39

7290

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

11042

Females

3200

F18-39

3200

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2stories
+22ft-21ft

Overall

10221

Females

2798

F18-39

2798

Passing Analysis

Category:
Athletes Passed
1972*
Passed By
1840
Net Change
+131
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10222
5K → 10K683*100+583#10222#9639
10K → 15K201136+65#9639#9574
15K → 20K33823+315#9574#9259
20K → Half599+50#9259#9209
Half → 25K17058+112#9209#9097
25K → 30K135242-107#9097#9204
30K → 20M39167-128#9204#9332
20M → 21M38273-235#9332#9567
21M → 35K16122-106#9567#9673
35K → 23M90107-17#9673#9690
23M → 24M67670#9690#9690
24M → 40K11446-436#9690#10126
40K → 25.2M36*26+10#10126#10116
25.2M → Finish8964+25#10116#10091
TOTALS1972*1840+131

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

📊

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