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BOSTON MARATHON 2023

Kate Halat

Bib: 18369•F

IL

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 46%
Gender (Female)
#0 / 11423
Top 29%
Masters (Masters Women)
#0 / 6539
Top 15%
Division (F40-44)
#0 / 1878
Top 29%
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
8:02/mi
24:57
↑ 97↓ 3451.5%
10K· 6.21 mi
7:55/mi
49:34
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:14:05
↑ 67↓ 78
20K· 12.43 mi
8:00/mi
1:38:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:58/mi
1:44:21
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:03:46
↑ 66↓ 880.2%
30K· 18.64 mi
8:09/mi
2:29:04
↑ 181↓ 1480.2%
20M
8:12/mi
2:40:12
↑ 64↓ 500.2%
21M
8:41/mi
2:48:53
↑ 106↓ 241.6%
35K· 21.75 mi
7:59/mi
2:54:51
↑ 17↓ 861.7%
23M
8:05/mi
3:04:58
↑ 23↓ 630.6%
24M
7:52/mi
3:12:50
↓ 821.3%
40K· 24.85 mi
7:48/mi
3:19:30
↓ 200.3%
25.2M
8:25/mi
3:22:24
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:30:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:21
Pace7:58 /mi
2nd Half
Distance13.11 mi
Time1:45:45
Pace8:04 /mi
📊Positive Split: 1.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:2624:578:0224:57
8:02
-
10K
6.21 mi11:41:0349:347:5924:37
7:55
-0:07
15K
9.32 mi12:05:341:14:057:5724:31
7:53
-0:02
20K
12.43 mi12:30:241:38:557:5824:50
8:00
+0:07
Half
13.11 mi12:35:501:44:217:585:26
7:58
-0:02
25K
15.53 mi12:55:152:03:467:5819:25
8:00
+0:02
30K
18.64 mi13:20:332:29:048:0025:18
8:09
+0:09
20M
20.00 mi13:31:412:40:128:0111:08
8:12
+0:03
21M
21.00 mi13:40:222:48:538:038:41
8:41
+0:29
35K
21.75 mi13:46:202:54:518:025:58
7:59
-0:42
23M
23.00 mi13:56:273:04:588:0310:07
8:05
+0:06
24M
24.00 mi14:04:193:12:508:027:52
7:52
-0:13
40K
24.85 mi14:10:593:19:308:026:40
7:48
-0:04
25.2M
25.20 mi14:13:533:22:248:022:54
8:25
+0:37
Finish
26.22 mi14:21:353:30:068:017:42
7:33
-0:52

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

7:33 /mi

Average Pace

8:01 /mi

Slowest Pace

8:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:18:31

94% of race

Time at Steady Pace

11:35

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:01 /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 mi11:16:2624:578:0224:57
8:02
#14243
10K
6.21 mi11:41:0349:347:5924:37
7:55
#14222
15K
9.32 mi12:05:341:14:057:5724:31
7:53
#13964
20K
12.43 mi12:30:241:38:557:5824:50
8:00
#13778
Half
13.11 mi12:35:501:44:217:585:26
7:58
#13786
25K
15.53 mi12:55:152:03:467:5819:25
8:00
#13623
30K
18.64 mi13:20:332:29:048:0025:18
8:09
#13278
20M
20.00 mi13:31:412:40:128:0111:08
8:12
#13126
21M
21.00 mi13:40:222:48:538:038:41
8:41
#13001
35K
21.75 mi13:46:202:54:518:025:58
7:59
#12948
23M
23.00 mi13:56:273:04:588:0310:07
8:05
#12780
24M
24.00 mi14:04:193:12:508:027:52
7:52
#12651
40K
24.85 mi14:10:593:19:308:026:40
7:48
#12493
25.2M
25.20 mi14:13:533:22:248:022:54
8:25
#12435
Finish
26.22 mi14:21:353:30:068:017:42
7:33
#12294
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi142434171417113462(Top 51%)3757(Top 33%)3757(Top 200%)
10K6.21 mi3.10 mi14222+214180-94180-914188(Top 53%)4166(Top 36%)4166(Top 222%)
15K9.32 mi3.11 mi13964+2584037+1434037+14313462(Top 51%)3757(Top 33%)3757(Top 200%)
20K12.43 mi3.11 mi13778+1863949+883949+8813365(Top 50%)3737(Top 33%)3737(Top 199%)
Half13.11 mi0.68 mi13786-83952-33952-314074(Top 53%)4105(Top 36%)4105(Top 219%)
25K15.53 mi2.42 mi13623+1633881+713881+7112821(Top 48%)3531(Top 31%)3531(Top 188%)
30K18.64 mi3.11 mi13278+3453713+1683713+16811956(Top 45%)3162(Top 28%)3162(Top 168%)
20M20.00 mi1.36 mi13126+1523638+753638+7511674(Top 44%)3104(Top 27%)3104(Top 165%)
21M21.00 mi1.00 mi13001+1253587+513587+5111580(Top 43%)3185(Top 28%)3185(Top 170%)
35K21.75 mi0.75 mi12948+533578+93578+911980(Top 45%)3416(Top 30%)3416(Top 182%)
23M23.00 mi1.25 mi12780+1683498+803498+8010343(Top 39%)2687(Top 24%)2687(Top 143%)
24M24.00 mi1.00 mi12651+1293448+503448+5010313(Top 39%)2745(Top 24%)2745(Top 146%)
40K24.85 mi0.85 mi12493+1583371+773371+778719(Top 33%)2055(Top 18%)2055(Top 109%)
25.2M25.20 mi0.35 mi12435+583345+263345+269075(Top 34%)2301(Top 20%)2301(Top 123%)
Finish26.22 mi1.02 mi12294+1413287+583287+589011(Top 34%)2262(Top 20%)2262(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 51%
×21story building
+97ft-345ft

Overall

13462

Females

3757

F40-44

3757

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14188

Females

4166

F40-44

4166

10K→15K

6.2 - 9.3 mi

Top 51%
×3story building
+67ft-78ft

Overall

13462

Females

3757

F40-44

3757

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

13365

Females

3737

F40-44

3737

20K→Half

12.4 - 13.1 mi

Top 53%
×2story building
+19ft-37ft

Overall

14074

Females

4105

F40-44

4105

Half→25K

13.1 - 15.5 mi

Top 48%
×4story building
+66ft-88ft

Overall

12821

Females

3531

F40-44

3531

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

11956

Females

3162

F40-44

3162

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11674

Females

3104

F40-44

3104

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11580

Females

3185

F40-44

3185

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

11980

Females

3416

F40-44

3416

35K→23M

21.8 - 23.0 mi

Top 39%
×5story building
+23ft-63ft

Overall

10343

Females

2687

F40-44

2687

23M→24M

23.0 - 24.0 mi

Top 39%
×6story building
+12ft-82ft

Overall

10313

Females

2745

F40-44

2745

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8719

Females

2055

F40-44

2055

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

9075

Females

2301

F40-44

2301

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9011

Females

2262

F40-44

2262

Passing Analysis

Category:
Athletes Passed
2685
Passed By
736
Net Change
+1949
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#14243
5K → 10K298277+21#14243#14222
10K → 15K33678+258#14222#13964
15K → 20K27084+186#13964#13778
20K → Half2735-8#13778#13786
Half → 25K22562+163#13786#13623
25K → 30K40055+345#13623#13278
30K → 20M17321+152#13278#13126
20M → 21M16338+125#13126#13001
21M → 35K7421+53#13001#12948
35K → 23M18719+168#12948#12780
23M → 24M14617+129#12780#12651
24M → 40K1624+158#12651#12493
40K → 25.2M646+58#12493#12435
25.2M → Finish16019+141#12435#12294
TOTALS2685736+1949
📊

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