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BOSTON MARATHON 2023

Katharine Borne

Bib: 24829•F

MA

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
11:29/mi
35:42
↑ 97↓ 3451.5%
10K· 6.21 mi
12:10/mi
1:13:29
↑ 79↓ 1380.4%
15K· 9.32 mi
12:43/mi
1:52:59
↑ 67↓ 78
20K· 12.43 mi
14:05/mi
2:36:43
↑ 106↓ 860.1%
Half· 13.11 mi
12:48/mi
2:45:27
↑ 19↓ 370.5%
25K· 15.53 mi
14:48/mi
3:21:19
↑ 66↓ 880.2%
30K· 18.64 mi
15:45/mi
4:10:15
↑ 181↓ 1480.2%
20M
16:11/mi
4:32:14
↑ 64↓ 500.2%
21M
16:34/mi
4:48:48
↑ 106↓ 241.6%
35K· 21.75 mi
14:32/mi
4:59:40
↑ 17↓ 861.7%
23M
15:38/mi
5:19:15
↑ 23↓ 630.6%
24M
15:04/mi
5:34:19
↓ 821.3%
40K· 24.85 mi
16:45/mi
5:48:38
↓ 200.3%
25.2M
16:55/mi
5:54:28
↑ 13↓ 160.2%
Finish· 26.22 mi
13:38/mi
6:08:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:45:27
Pace12:37 /mi
2nd Half
Distance13.11 mi
Time3:22:55
Pace15:29 /mi
📊Positive Split: 22.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:51:1035:4211:2935:42
11:29
-
10K
6.21 mi12:28:571:13:2911:5037:47
12:10
+0:41
15K
9.32 mi13:08:271:52:5912:0739:30
12:43
+0:33
20K
12.43 mi13:52:112:36:4312:3743:44
14:05
+1:22
Half
13.11 mi14:00:552:45:2712:378:44
12:48
-1:17
25K
15.53 mi14:36:473:21:1912:5835:52
14:48
+2:00
30K
18.64 mi15:25:434:10:1513:2548:56
15:45
+0:57
20M
20.00 mi15:47:424:32:1413:3721:59
16:11
+0:26
21M
21.00 mi16:04:164:48:4813:4516:34
16:34
+0:23
35K
21.75 mi16:15:084:59:4013:4710:52
14:32
-2:02
23M
23.00 mi16:34:435:19:1513:5319:35
15:38
+1:06
24M
24.00 mi16:49:475:34:1913:5615:04
15:04
-0:34
40K
24.85 mi17:04:065:48:3814:0214:19
16:45
+1:41
25.2M
25.20 mi17:09:565:54:2814:045:50
16:55
+0:10
Finish
26.22 mi17:23:506:08:2214:0413:54
13:38
-3:17

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

11:29 /mi

Average Pace

14:04 /mi

Slowest Pace

16:55 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:15:37

37% of race

Time at Steady Pace

2:05:07

34% of race

Time at Slower Pace

1:47:38

29% of race

Average Pace: 14:03 /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 mi11:51:1035:4211:2935:42
11:29
#26203
10K
6.21 mi12:28:571:13:2911:5037:47
12:10
#26310
15K
9.32 mi13:08:271:52:5912:0739:30
12:43
#26355
20K
12.43 mi13:52:112:36:4312:3743:44
14:05
#26449
Half
13.11 mi14:00:552:45:2712:378:44
12:48
#26446
25K
15.53 mi14:36:473:21:1912:5835:52
14:48
#26482
30K
18.64 mi15:25:434:10:1513:2548:56
15:45
#26538
20M
20.00 mi15:47:424:32:1413:3721:59
16:11
#26559
21M
21.00 mi16:04:164:48:4813:4516:34
16:34
#26564
35K
21.75 mi16:15:084:59:4013:4710:52
14:32
#26568
23M
23.00 mi16:34:435:19:1513:5319:35
15:38
#26580
24M
24.00 mi16:49:475:34:1913:5615:04
15:04
#26584
40K
24.85 mi17:04:065:48:3814:0214:19
16:45
#26591
25.2M
25.20 mi17:09:565:54:2814:045:50
16:55
#26592
Finish
26.22 mi17:23:506:08:2214:0413:54
13:38
#26589
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26203111751117526408(Top 99%)11302(Top 99%)11302(Top 231%)
10K6.21 mi3.10 mi26310-10711234-5911234-5926355(Top 99%)11269(Top 99%)11269(Top 231%)
15K9.32 mi3.11 mi26355-4511265-3111265-3126408(Top 99%)11302(Top 99%)11302(Top 231%)
20K12.43 mi3.11 mi26449-9411325-6011325-6026530(Top 100%)11374(Top 100%)11374(Top 233%)
Half13.11 mi0.68 mi26446+3113251132526287(Top 99%)11237(Top 98%)11237(Top 230%)
25K15.53 mi2.42 mi26482-3611349-2411349-2426524(Top 100%)11370(Top 100%)11370(Top 233%)
30K18.64 mi3.11 mi26538-5611382-3311382-3326549(Top 100%)11386(Top 100%)11386(Top 233%)
20M20.00 mi1.36 mi26559-2111393-1111393-1126503(Top 100%)11368(Top 100%)11368(Top 233%)
21M21.00 mi1.00 mi26564-511396-311396-326364(Top 99%)11304(Top 99%)11304(Top 231%)
35K21.75 mi0.75 mi26568-411401-511401-526313(Top 99%)11285(Top 99%)11285(Top 231%)
23M23.00 mi1.25 mi26580-1211407-611407-626437(Top 99%)11345(Top 99%)11345(Top 232%)
24M24.00 mi1.00 mi26584-411408-111408-126400(Top 99%)11335(Top 99%)11335(Top 232%)
40K24.85 mi0.85 mi26591-711413-511413-526510(Top 100%)11382(Top 100%)11382(Top 233%)
25.2M25.20 mi0.35 mi26592-1114131141326357(Top 99%)11329(Top 99%)11329(Top 232%)
Finish26.22 mi1.02 mi26589+311412+111412+126249(Top 99%)11292(Top 99%)11292(Top 231%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

26408

Females

11302

F18-39

11302

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

26355

Females

11269

F18-39

11269

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

26408

Females

11302

F18-39

11302

15K→20K

9.3 - 12.4 mi

Top 100%
×5story building
+106ft-86ft

Overall

26530

Females

11374

F18-39

11374

20K→Half

12.4 - 13.1 mi

Top 99%
×2story building
+19ft-37ft

Overall

26287

Females

11237

F18-39

11237

Half→25K

13.1 - 15.5 mi

Top 100%
×4story building
+66ft-88ft

Overall

26524

Females

11370

F18-39

11370

25K→30K

15.5 - 18.6 mi

Top 100%
×9story building
+181ft-148ft

Overall

26549

Females

11386

F18-39

11386

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26503

Females

11368

F18-39

11368

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26364

Females

11304

F18-39

11304

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26313

Females

11285

F18-39

11285

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26437

Females

11345

F18-39

11345

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26400

Females

11335

F18-39

11335

24M→40K

24.0 - 24.9 mi

Top 100%
×1story
+6ft-20ft

Overall

26510

Females

11382

F18-39

11382

40K→25.2M

24.9 - 25.2 mi

Top 99%
×1story
+13ft-16ft

Overall

26357

Females

11329

F18-39

11329

25.2M→Finish

25.2 - 26.2 mi

Top 99%
×2story building
+22ft-21ft

Overall

26249

Females

11292

F18-39

11292

Passing Analysis

Category:
Athletes Passed
82
Passed By
468
Net Change
-386
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26203
5K → 10K22129-107#26203#26310
10K → 15K2267-45#26310#26355
15K → 20K11105-94#26355#26449
20K → Half74+3#26449#26446
Half → 25K541-36#26446#26482
25K → 30K359-56#26482#26538
30K → 20M223-21#26538#26559
20M → 21M27-5#26559#26564
21M → 35K26-4#26564#26568
35K → 23M012-12#26568#26580
23M → 24M15-4#26580#26584
24M → 40K07-7#26584#26591
40K → 25.2M01-1#26591#26592
25.2M → Finish52+3#26592#26589
TOTALS82468-386
📊

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