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BOSTON MARATHON 2023

Katharine Janes

Bib: 26059•F

NY

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
8:03/mi
25:01
↑ 97↓ 3451.5%
10K· 6.21 mi
7:58/mi
49:45
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:15:20
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:42:12
↑ 106↓ 860.1%
Half· 13.11 mi
8:37/mi
1:48:05
↑ 19↓ 370.5%
25K· 15.53 mi
8:56/mi
2:09:45
↑ 66↓ 880.2%
30K· 18.64 mi
9:18/mi
2:38:39
↑ 181↓ 1480.2%
20M
9:43/mi
2:51:51
↑ 64↓ 500.2%
21M
10:41/mi
3:02:32
↑ 106↓ 241.6%
35K· 21.75 mi
9:53/mi
3:09:56
↑ 17↓ 861.7%
23M
10:13/mi
3:22:43
↑ 23↓ 630.6%
24M
9:48/mi
3:32:31
↓ 821.3%
40K· 24.85 mi
9:53/mi
3:40:58
↓ 200.3%
25.2M
10:06/mi
3:44:27
↑ 13↓ 160.2%
Finish· 26.22 mi
8:58/mi
3:53:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:05
Pace8:15 /mi
2nd Half
Distance13.11 mi
Time2:05:30
Pace9:34 /mi
📊Positive Split: 16.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5025:018:0325:01
8:03
-
10K
6.21 mi12:07:3449:458:0024:44
7:58
-0:05
15K
9.32 mi12:33:091:15:208:0525:35
8:14
+0:16
20K
12.43 mi13:00:011:42:128:1326:52
8:39
+0:25
Half
13.11 mi13:05:541:48:058:155:53
8:37
-0:02
25K
15.53 mi13:27:342:09:458:2121:40
8:56
+0:19
30K
18.64 mi13:56:282:38:398:3128:54
9:18
+0:22
20M
20.00 mi14:09:402:51:518:3613:12
9:43
+0:25
21M
21.00 mi14:20:213:02:328:4210:41
10:41
+0:58
35K
21.75 mi14:27:453:09:568:447:24
9:53
-0:48
23M
23.00 mi14:40:323:22:438:4912:47
10:13
+0:20
24M
24.00 mi14:50:203:32:318:519:48
9:48
-0:25
40K
24.85 mi14:58:473:40:588:538:27
9:53
+0:05
25.2M
25.20 mi15:02:163:44:278:543:29
10:06
+0:13
Finish
26.22 mi15:11:243:53:358:559:08
8:58
-1:08

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

7:58 /mi

Average Pace

8:55 /mi

Slowest Pace

10:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:05

46% of race

Time at Steady Pace

59:42

26% of race

Time at Slower Pace

1:05:48

28% of race

Average Pace: 8:55 /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 mi11:42:5025:018:0325:01
8:03
#14392
10K
6.21 mi12:07:3449:458:0024:44
7:58
#14439
15K
9.32 mi12:33:091:15:208:0525:35
8:14
#15006
20K
12.43 mi13:00:011:42:128:1326:52
8:39
#15743
Half
13.11 mi13:05:541:48:058:155:53
8:37
#15884
25K
15.53 mi13:27:342:09:458:2121:40
8:56
#16429
30K
18.64 mi13:56:282:38:398:3128:54
9:18
#16838
20M
20.00 mi14:09:402:51:518:3613:12
9:43
#17083
21M
21.00 mi14:20:213:02:328:4210:41
10:41
#17329
35K
21.75 mi14:27:453:09:568:447:24
9:53
#17548
23M
23.00 mi14:40:323:22:438:4912:47
10:13
#17863
24M
24.00 mi14:50:203:32:318:519:48
9:48
#18008
40K
24.85 mi14:58:473:40:588:538:27
9:53
#18105
25.2M
25.20 mi15:02:163:44:278:543:29
10:06
#18108
Finish
26.22 mi15:11:243:53:358:559:08
8:58
#18107
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi143924265426516122(Top 61%)5368(Top 47%)5368(Top 110%)
10K6.21 mi3.10 mi14439-474306-414306-4114518(Top 55%)4372(Top 38%)4372(Top 90%)
15K9.32 mi3.11 mi15006-5674669-3634669-36316122(Top 61%)5368(Top 47%)5368(Top 110%)
20K12.43 mi3.11 mi15743-7375145-4765145-47617799(Top 67%)6402(Top 56%)6402(Top 131%)
Half13.11 mi0.68 mi15884-1415237-925237-9218508(Top 70%)6785(Top 59%)6785(Top 139%)
25K15.53 mi2.42 mi16429-5455596-3595596-35918648(Top 70%)6929(Top 61%)6929(Top 142%)
30K18.64 mi3.11 mi16838-4095867-2715867-27118641(Top 70%)6996(Top 61%)6996(Top 143%)
20M20.00 mi1.36 mi17083-2456020-1536020-15319591(Top 74%)7627(Top 67%)7627(Top 156%)
21M21.00 mi1.00 mi17329-2466193-1736193-17320110(Top 76%)7982(Top 70%)7982(Top 163%)
35K21.75 mi0.75 mi17548-2196338-1456338-14520982(Top 79%)8477(Top 74%)8477(Top 174%)
23M23.00 mi1.25 mi17863-3156536-1986536-19820608(Top 77%)8293(Top 73%)8293(Top 170%)
24M24.00 mi1.00 mi18008-1456633-976633-9720226(Top 76%)8100(Top 71%)8100(Top 166%)
40K24.85 mi0.85 mi18105-976700-676700-6719649(Top 74%)7858(Top 69%)7858(Top 161%)
25.2M25.20 mi0.35 mi18108-36706-66706-617813(Top 67%)6863(Top 60%)6863(Top 141%)
Finish26.22 mi1.02 mi18107+16714-86714-817812(Top 67%)6816(Top 60%)6816(Top 140%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16122

Females

5368

F18-39

5368

5K→10K

3.1 - 6.2 mi

Top 55%
×5story building
+79ft-138ft

Overall

14518

Females

4372

F18-39

4372

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16122

Females

5368

F18-39

5368

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17799

Females

6402

F18-39

6402

20K→Half

12.4 - 13.1 mi

Top 70%
×2story building
+19ft-37ft

Overall

18508

Females

6785

F18-39

6785

Half→25K

13.1 - 15.5 mi

Top 70%
×4story building
+66ft-88ft

Overall

18648

Females

6929

F18-39

6929

25K→30K

15.5 - 18.6 mi

Top 70%
×9story building
+181ft-148ft

Overall

18641

Females

6996

F18-39

6996

30K→20M

18.6 - 20.0 mi

Top 74%
×5story building
+64ft-50ft

Overall

19591

Females

7627

F18-39

7627

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20110

Females

7982

F18-39

7982

21M→35K

21.0 - 21.8 mi

Top 79%
×7story building
+17ft-86ft

Overall

20982

Females

8477

F18-39

8477

35K→23M

21.8 - 23.0 mi

Top 77%
×5story building
+23ft-63ft

Overall

20608

Females

8293

F18-39

8293

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20226

Females

8100

F18-39

8100

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19649

Females

7858

F18-39

7858

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

17813

Females

6863

F18-39

6863

25.2M→Finish

25.2 - 26.2 mi

Top 67%
×2story building
+22ft-21ft

Overall

17812

Females

6816

F18-39

6816

Passing Analysis

Category:
Athletes Passed
727
Passed By
4442
Net Change
-3715
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14392
5K → 10K267314-47#14392#14439
10K → 15K48615-567#14439#15006
15K → 20K46783-737#15006#15743
20K → Half9150-141#15743#15884
Half → 25K42587-545#15884#16429
25K → 30K88497-409#16429#16838
30K → 20M24269-245#16838#17083
20M → 21M32278-246#17083#17329
21M → 35K18237-219#17329#17548
35K → 23M29344-315#17548#17863
23M → 24M21166-145#17863#18008
24M → 40K27124-97#18008#18105
40K → 25.2M2023-3#18105#18108
25.2M → Finish5655+1#18108#18107
TOTALS7274442-3715
📊

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