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BOSTON MARATHON 2023

Rebecca Trachsel

Bib: 5725•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 17%
Gender (Female)
#0 / 11423
Top 3%
Masters (Masters Women)
#0 / 6539
Top 0.9%
Division (F45-49)
#0 / 1817
Top 0.7%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:57
Rank: #4038
Start → 5K
20:57 | 6:45/mi
10K· 6.21 mi
41:54
Rank: #4393 (-355)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:02:50
Rank: #4433 (-40)
10K → 15K
20:57 | 6:45/mi
20K· 12.43 mi
1:23:47
Rank: #4281 (+152)
15K → 20K
20:57 | 6:45/mi
Half· 13.11 mi
1:28:23
Rank: #4285 (-4)
20K → Half
4:36 | 6:45/mi
25K· 15.53 mi
1:45:46
Rank: #4783 (-498)
Half → 25K
17:23 | 7:10/mi
30K· 18.64 mi
2:08:03
Rank: #4919 (-136)
25K → 30K
22:16 | 7:10/mi
20M
2:17:47
Rank: #4902 (+17)
30K → 20M
9:45 | 7:10/mi
21M
2:24:57
Rank: #4756 (+146)
20M → 21M
7:10 | 7:10/mi
35K· 21.75 mi
2:30:19
Rank: #4809 (-53)
21M → 35K
5:22 | 7:10/mi
23M
2:39:20
Rank: #4765 (+44)
35K → 23M
9:01 | 7:12/mi
24M
2:46:19
Rank: #4745 (+20)
23M → 24M
6:59 | 6:59/mi
40K· 24.85 mi
2:52:21
Rank: #4686 (+59)
24M → 40K
6:02 | 7:03/mi
25.2M
2:54:55
Rank: #4659 (+27)
40K → 25.2M
2:34 | 7:27/mi
Finish· 26.22 mi
3:02:06
Rank: #4634 (+25)
25.2M → Finish
7:11 | 7:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:28:23
Pace6:45 /mi
2nd Half
Distance13.11 mi
Time1:33:43
Pace7:09 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1020:576:4520:57
6:45
-
10K
6.21 mi10:45:0741:546:4520:57
6:45
0:00
15K
9.32 mi11:06:031:02:506:4520:57
6:45
0:00
20K
12.43 mi11:27:001:23:476:4520:57
6:45
0:00
Half
13.11 mi11:31:361:28:236:454:36
6:45
0:00
25K
15.53 mi11:48:591:45:466:4917:23
7:10
+0:25
30K
18.64 mi12:11:162:08:036:5222:16
7:10
0:00
20M
20.00 mi12:21:002:17:476:539:45
7:10
0:00
21M
21.00 mi12:28:102:24:576:547:10
7:10
0:00
35K
21.75 mi12:33:322:30:196:555:22
7:10
0:00
23M
23.00 mi12:42:332:39:206:569:01
7:12
+0:02
24M
24.00 mi12:49:322:46:196:566:59
6:59
-0:13
40K
24.85 mi12:55:342:52:216:566:02
7:03
+0:04
25.2M
25.20 mi12:58:082:54:556:562:34
7:27
+0:24
Finish
26.22 mi13:05:193:02:066:577:11
7:03
-0:24

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

6:45 /mi

Average Pace

6:57 /mi

Slowest Pace

7:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:59:32

99% of race

Time at Steady Pace

2:34

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:57 /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 mi10:24:1020:576:4520:57
6:45
#4038
10K
6.21 mi10:45:0741:546:4520:57
6:45
#4393
15K
9.32 mi11:06:031:02:506:4520:57
6:45
#4433
20K
12.43 mi11:27:001:23:476:4520:57
6:45
#4281
Half
13.11 mi11:31:361:28:236:454:36
6:45
#4285
25K
15.53 mi11:48:591:45:466:4917:23
7:10
#4783
30K
18.64 mi12:11:162:08:036:5222:16
7:10
#4919
20M
20.00 mi12:21:002:17:476:539:45
7:10
#4902
21M
21.00 mi12:28:102:24:576:547:10
7:10
#4756
35K
21.75 mi12:33:322:30:196:555:22
7:10
#4809
23M
23.00 mi12:42:332:39:206:569:01
7:12
#4765
24M
24.00 mi12:49:322:46:196:566:59
6:59
#4745
40K
24.85 mi12:55:342:52:216:566:02
7:03
#4686
25.2M
25.20 mi12:58:082:54:556:562:34
7:27
#4659
Finish
26.22 mi13:05:193:02:066:577:11
7:03
#4634
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi40382482484517(Top 17%)296(Top 3%)296(Top 16%)
10K6.21 mi3.10 mi4393-355275-27275-274734(Top 18%)330(Top 3%)330(Top 18%)
15K9.32 mi3.11 mi4433-40282-7282-74517(Top 17%)296(Top 3%)296(Top 16%)
20K12.43 mi3.11 mi4281+152265+17265+173900(Top 15%)222(Top 2%)222(Top 12%)
Half13.11 mi0.68 mi4285-4269-4269-44643(Top 17%)332(Top 3%)332(Top 18%)
25K15.53 mi2.42 mi4783-498326-57326-576518(Top 24%)703(Top 6%)703(Top 39%)
30K18.64 mi3.11 mi4919-136338-12338-125328(Top 20%)466(Top 4%)466(Top 26%)
20M20.00 mi1.36 mi4902+17347-9347-94950(Top 19%)451(Top 4%)451(Top 25%)
21M21.00 mi1.00 mi4756+146326+21326+212963(Top 11%)186(Top 2%)186(Top 10%)
35K21.75 mi0.75 mi4809-53337-11337-116291(Top 24%)866(Top 8%)866(Top 48%)
23M23.00 mi1.25 mi4765+44336+1336+14811(Top 18%)484(Top 4%)484(Top 27%)
24M24.00 mi1.00 mi4745+20335+1335+14620(Top 17%)465(Top 4%)465(Top 26%)
40K24.85 mi0.85 mi4686+59336-1336-14177(Top 16%)445(Top 4%)445(Top 24%)
25.2M25.20 mi0.35 mi4659+27334+2334+23702(Top 14%)380(Top 3%)380(Top 21%)
Finish26.22 mi1.02 mi4634+25340-6340-65530(Top 21%)909(Top 8%)909(Top 50%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 17%
×21stories
+97ft-345ft

Overall

4517

Females

296

F45-49

296

5K→10K

3.1 - 6.2 mi

Top 18%
×5stories
+79ft-138ft

Overall

4734

Females

330

F45-49

330

10K→15K

6.2 - 9.3 mi

Top 17%
×3stories
+67ft-78ft

Overall

4517

Females

296

F45-49

296

15K→20K

9.3 - 12.4 mi

Top 15%
×5stories
+106ft-86ft

Overall

3900

Females

222

F45-49

222

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4643

Females

332

F45-49

332

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6518

Females

703

F45-49

703

25K→30K

15.5 - 18.6 mi

Top 20%
×9stories
+181ft-148ft

Overall

5328

Females

466

F45-49

466

30K→20M

18.6 - 20.0 mi

Top 19%
×5stories
+64ft-50ft

Overall

4950

Females

451

F45-49

451

20M→21M

20.0 - 21.0 mi

Top 11%
×8stories
+106ft-24ft

Overall

2963

Females

186

F45-49

186

21M→35K

21.0 - 21.8 mi

Top 24%
×7stories
+17ft-86ft

Overall

6291

Females

866

F45-49

866

35K→23M

21.8 - 23.0 mi

Top 18%
×5stories
+23ft-63ft

Overall

4811

Females

484

F45-49

484

23M→24M

23.0 - 24.0 mi

Top 17%
×6stories
+12ft-82ft

Overall

4620

Females

465

F45-49

465

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4177

Females

445

F45-49

445

40K→25.2M

24.9 - 25.2 mi

Top 14%
×1story
+13ft-16ft

Overall

3702

Females

380

F45-49

380

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2stories
+22ft-21ft

Overall

5530

Females

909

F45-49

909

Passing Analysis

Category:
Athletes Passed
1102
Passed By
1698
Net Change
-596
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4038
5K → 10K99454-355#4038#4393
10K → 15K107147-40#4393#4433
15K → 20K18230+152#4433#4281
20K → Half1923-4#4281#4285
Half → 25K29527-498#4285#4783
25K → 30K98234-136#4783#4919
30K → 20M7760+17#4919#4902
20M → 21M1537+146#4902#4756
21M → 35K2881-53#4756#4809
35K → 23M9147+44#4809#4765
23M → 24M5232+20#4765#4745
24M → 40K7415+59#4745#4686
40K → 25.2M336+27#4686#4659
25.2M → Finish6035+25#4659#4634
TOTALS11021698-596
📊

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