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BOSTON MARATHON 2023

Katie Tansey

Bib: 25921•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
10:49/mi
33:36
↑ 97↓ 3451.5%
10K· 6.21 mi
11:09/mi
1:08:15
↑ 79↓ 1380.4%
15K· 9.32 mi
11:01/mi
1:42:29
↑ 67↓ 78
20K· 12.43 mi
11:19/mi
2:17:38
↑ 106↓ 860.1%
Half· 13.11 mi
10:54/mi
2:25:04
↑ 19↓ 370.5%
25K· 15.53 mi
12:41/mi
2:55:50
↑ 66↓ 880.2%
30K· 18.64 mi
13:54/mi
3:39:00
↑ 181↓ 1480.2%
20M
16:54/mi
4:01:58
↑ 64↓ 500.2%
21M
16:02/mi
4:18:00
↑ 106↓ 241.6%
35K· 21.75 mi
14:38/mi
4:28:57
↑ 17↓ 861.7%
23M
14:50/mi
4:47:31
↑ 23↓ 630.6%
24M
14:32/mi
5:02:03
↓ 821.3%
40K· 24.85 mi
16:07/mi
5:15:50
↓ 200.3%
25.2M
16:03/mi
5:21:22
↑ 13↓ 160.2%
Finish· 26.22 mi
11:53/mi
5:33:29
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:25:04
Pace11:04 /mi
2nd Half
Distance13.11 mi
Time3:08:25
Pace14:22 /mi
📊Positive Split: 29.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:3633:3610:4933:36
10:49
-
10K
6.21 mi12:24:151:08:1510:5934:39
11:09
+0:20
15K
9.32 mi12:58:291:42:2911:0034:14
11:01
-0:08
20K
12.43 mi13:33:382:17:3811:0435:09
11:19
+0:18
Half
13.11 mi13:41:042:25:0411:047:26
10:54
-0:25
25K
15.53 mi14:11:502:55:5011:1930:46
12:41
+1:47
30K
18.64 mi14:55:003:39:0011:4543:10
13:54
+1:13
20M
20.00 mi15:17:584:01:5812:0622:58
16:54
+3:00
21M
21.00 mi15:34:004:18:0012:1716:02
16:02
-0:52
35K
21.75 mi15:44:574:28:5712:2210:57
14:38
-1:24
23M
23.00 mi16:03:314:47:3112:3018:34
14:50
+0:12
24M
24.00 mi16:18:035:02:0312:3514:32
14:32
-0:18
40K
24.85 mi16:31:505:15:5012:4213:47
16:07
+1:35
25.2M
25.20 mi16:37:225:21:2212:455:32
16:03
-0:04
Finish
26.22 mi16:49:295:33:2912:4412:07
11:53
-4:10

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

10:49 /mi

Average Pace

12:44 /mi

Slowest Pace

16:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:57

56% of race

Time at Steady Pace

1:27:13

26% of race

Time at Slower Pace

58:19

17% of race

Average Pace: 12:43 /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 mi11:49:3633:3610:4933:36
10:49
#25393
10K
6.21 mi12:24:151:08:1510:5934:39
11:09
#25572
15K
9.32 mi12:58:291:42:2911:0034:14
11:01
#25438
20K
12.43 mi13:33:382:17:3811:0435:09
11:19
#25331
Half
13.11 mi13:41:042:25:0411:047:26
10:54
#25300
25K
15.53 mi14:11:502:55:5011:1930:46
12:41
#25407
30K
18.64 mi14:55:003:39:0011:4543:10
13:54
#25597
20M
20.00 mi15:17:584:01:5812:0622:58
16:54
#25777
21M
21.00 mi15:34:004:18:0012:1716:02
16:02
#25818
35K
21.75 mi15:44:574:28:5712:2210:57
14:38
#25859
23M
23.00 mi16:03:314:47:3112:3018:34
14:50
#25903
24M
24.00 mi16:18:035:02:0312:3514:32
14:32
#25941
40K
24.85 mi16:31:505:15:5012:4213:47
16:07
#25988
25.2M
25.20 mi16:37:225:21:2212:455:32
16:03
#26000
Finish
26.22 mi16:49:295:33:2912:4412:07
11:53
#25986
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25393106691066925200(Top 95%)10575(Top 93%)10575(Top 217%)
10K6.21 mi3.10 mi25572-17910783-11410783-11425633(Top 96%)10816(Top 95%)10816(Top 221%)
15K9.32 mi3.11 mi25438+13410697+8610697+8625200(Top 95%)10575(Top 93%)10575(Top 217%)
20K12.43 mi3.11 mi25331+10710643+5410643+5425023(Top 94%)10492(Top 92%)10492(Top 215%)
Half13.11 mi0.68 mi25300+3110630+1310630+1324818(Top 93%)10393(Top 91%)10393(Top 213%)
25K15.53 mi2.42 mi25407-10710701-7110701-7125689(Top 96%)10899(Top 95%)10899(Top 223%)
30K18.64 mi3.11 mi25597-19010829-12810829-12825975(Top 98%)11089(Top 97%)11089(Top 227%)
20M20.00 mi1.36 mi25777-18010932-10310932-10326545(Top 100%)11386(Top 100%)11386(Top 233%)
21M21.00 mi1.00 mi25818-4110952-2010952-2026237(Top 99%)11239(Top 98%)11239(Top 230%)
35K21.75 mi0.75 mi25859-4110981-2910981-2926338(Top 99%)11299(Top 99%)11299(Top 231%)
23M23.00 mi1.25 mi25903-4411012-3111012-3126235(Top 99%)11255(Top 99%)11255(Top 230%)
24M24.00 mi1.00 mi25941-3811033-2111033-2126280(Top 99%)11287(Top 99%)11287(Top 231%)
40K24.85 mi0.85 mi25988-4711061-2811061-2826442(Top 99%)11355(Top 99%)11355(Top 232%)
25.2M25.20 mi0.35 mi26000-1211069-811069-826134(Top 98%)11226(Top 98%)11226(Top 230%)
Finish26.22 mi1.02 mi25986+1411065+411065+425144(Top 94%)10739(Top 94%)10739(Top 220%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 95%
×21story building
+97ft-345ft

Overall

25200

Females

10575

F18-39

10575

5K→10K

3.1 - 6.2 mi

Top 96%
×5story building
+79ft-138ft

Overall

25633

Females

10816

F18-39

10816

10K→15K

6.2 - 9.3 mi

Top 95%
×3story building
+67ft-78ft

Overall

25200

Females

10575

F18-39

10575

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25023

Females

10492

F18-39

10492

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

24818

Females

10393

F18-39

10393

Half→25K

13.1 - 15.5 mi

Top 96%
×4story building
+66ft-88ft

Overall

25689

Females

10899

F18-39

10899

25K→30K

15.5 - 18.6 mi

Top 98%
×9story building
+181ft-148ft

Overall

25975

Females

11089

F18-39

11089

30K→20M

18.6 - 20.0 mi

Top 100%
×5story building
+64ft-50ft

Overall

26545

Females

11386

F18-39

11386

20M→21M

20.0 - 21.0 mi

Top 99%
×8story building
+106ft-24ft

Overall

26237

Females

11239

F18-39

11239

21M→35K

21.0 - 21.8 mi

Top 99%
×7story building
+17ft-86ft

Overall

26338

Females

11299

F18-39

11299

35K→23M

21.8 - 23.0 mi

Top 99%
×5story building
+23ft-63ft

Overall

26235

Females

11255

F18-39

11255

23M→24M

23.0 - 24.0 mi

Top 99%
×6story building
+12ft-82ft

Overall

26280

Females

11287

F18-39

11287

24M→40K

24.0 - 24.9 mi

Top 99%
×1story
+6ft-20ft

Overall

26442

Females

11355

F18-39

11355

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

26134

Females

11226

F18-39

11226

25.2M→Finish

25.2 - 26.2 mi

Top 94%
×2story building
+22ft-21ft

Overall

25144

Females

10739

F18-39

10739

Passing Analysis

Category:
Athletes Passed
533
Passed By
1126
Net Change
-593
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25393
5K → 10K73252-179#25393#25572
10K → 15K17844+134#25572#25438
15K → 20K14740+107#25438#25331
20K → Half365+31#25331#25300
Half → 25K30137-107#25300#25407
25K → 30K21211-190#25407#25597
30K → 20M6186-180#25597#25777
20M → 21M748-41#25777#25818
21M → 35K445-41#25818#25859
35K → 23M448-44#25859#25903
23M → 24M341-38#25903#25941
24M → 40K350-47#25941#25988
40K → 25.2M214-12#25988#26000
25.2M → Finish195+14#26000#25986
TOTALS5331126-593
📊

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