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BOSTON MARATHON 2023

Kyra Forrest

Bib: 21383•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F50-54)
#0 / 1207
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
9:05/mi
28:13
↑ 97↓ 3451.5%
10K· 6.21 mi
8:34/mi
54:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:34/mi
1:21:26
↑ 67↓ 78
20K· 12.43 mi
8:41/mi
1:48:26
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:54:16
↑ 19↓ 370.5%
25K· 15.53 mi
9:28/mi
2:17:13
↑ 66↓ 880.2%
30K· 18.64 mi
9:08/mi
2:45:35
↑ 181↓ 1480.2%
20M
9:55/mi
2:59:03
↑ 64↓ 500.2%
21M
10:45/mi
3:09:48
↑ 106↓ 241.6%
35K· 21.75 mi
9:07/mi
3:16:37
↑ 17↓ 861.7%
23M
9:36/mi
3:28:38
↑ 23↓ 630.6%
24M
9:47/mi
3:38:25
↓ 821.3%
40K· 24.85 mi
9:41/mi
3:46:42
↓ 200.3%
25.2M
11:33/mi
3:50:41
↑ 13↓ 160.2%
Finish· 26.22 mi
10:33/mi
4:01:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:54:16
Pace8:43 /mi
2nd Half
Distance13.11 mi
Time2:07:10
Pace9:42 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:1928:139:0528:13
9:05
-
10K
6.21 mi11:47:5654:508:4926:37
8:34
-0:31
15K
9.32 mi12:14:321:21:268:4426:36
8:34
0:00
20K
12.43 mi12:41:321:48:268:4427:00
8:41
+0:07
Half
13.11 mi12:47:221:54:168:435:50
8:33
-0:08
25K
15.53 mi13:10:192:17:138:5022:57
9:28
+0:55
30K
18.64 mi13:38:412:45:358:5328:22
9:08
-0:20
20M
20.00 mi13:52:092:59:038:5713:28
9:55
+0:47
21M
21.00 mi14:02:543:09:489:0210:45
10:45
+0:50
35K
21.75 mi14:09:433:16:379:026:49
9:07
-1:38
23M
23.00 mi14:21:443:28:389:0412:01
9:36
+0:29
24M
24.00 mi14:31:313:38:259:069:47
9:47
+0:11
40K
24.85 mi14:39:483:46:429:078:17
9:41
-0:06
25.2M
25.20 mi14:43:473:50:419:093:59
11:33
+1:52
Finish
26.22 mi14:54:324:01:269:1310:45
10:33
-1:00

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

8:33 /mi

Average Pace

9:13 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:03

36% of race

Time at Steady Pace

1:56:26

48% of race

Time at Slower Pace

38:57

16% of race

Average Pace: 9:12 /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 mi11:21:1928:139:0528:13
9:05
#20808
10K
6.21 mi11:47:5654:508:4926:37
8:34
#19808
15K
9.32 mi12:14:321:21:268:4426:36
8:34
#19254
20K
12.43 mi12:41:321:48:268:4427:00
8:41
#18928
Half
13.11 mi12:47:221:54:168:435:50
8:33
#18890
25K
15.53 mi13:10:192:17:138:5022:57
9:28
#19277
30K
18.64 mi13:38:412:45:358:5328:22
9:08
#19017
20M
20.00 mi13:52:092:59:038:5713:28
9:55
#19131
21M
21.00 mi14:02:543:09:489:0210:45
10:45
#19219
35K
21.75 mi14:09:433:16:379:026:49
9:07
#19199
23M
23.00 mi14:21:443:28:389:0412:01
9:36
#19174
24M
24.00 mi14:31:313:38:259:069:47
9:47
#19244
40K
24.85 mi14:39:483:46:429:078:17
9:41
#19233
25.2M
25.20 mi14:43:473:50:419:093:59
11:33
#19320
Finish
26.22 mi14:54:324:01:269:1310:45
10:33
#19532
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi208088272827218226(Top 68%)6633(Top 58%)6633(Top 550%)
10K6.21 mi3.10 mi19808+10007658+6147658+61418668(Top 70%)6878(Top 60%)6878(Top 570%)
15K9.32 mi3.11 mi19254+5547286+3727286+37218226(Top 68%)6633(Top 58%)6633(Top 550%)
20K12.43 mi3.11 mi18928+3267083+2037083+20318075(Top 68%)6554(Top 57%)6554(Top 543%)
Half13.11 mi0.68 mi18890+387055+287055+2818097(Top 68%)6561(Top 57%)6561(Top 544%)
25K15.53 mi2.42 mi19277-3877290-2357290-23520732(Top 78%)8121(Top 71%)8121(Top 673%)
30K18.64 mi3.11 mi19017+2607148+1427148+14217851(Top 67%)6560(Top 57%)6560(Top 543%)
20M20.00 mi1.36 mi19131-1147230-827230-8220211(Top 76%)7984(Top 70%)7984(Top 661%)
21M21.00 mi1.00 mi19219-887293-637293-6320262(Top 76%)8069(Top 71%)8069(Top 669%)
35K21.75 mi0.75 mi19199+207288+57288+518416(Top 69%)7066(Top 62%)7066(Top 585%)
23M23.00 mi1.25 mi19174+257281+77281+718743(Top 70%)7266(Top 64%)7266(Top 602%)
24M24.00 mi1.00 mi19244-707330-497330-4920173(Top 76%)8066(Top 71%)8066(Top 668%)
40K24.85 mi0.85 mi19233+117330733019000(Top 71%)7496(Top 66%)7496(Top 621%)
25.2M25.20 mi0.35 mi19320-877384-547384-5421671(Top 81%)8938(Top 78%)8938(Top 741%)
Finish26.22 mi1.02 mi19532-2127523-1397523-13923109(Top 87%)9694(Top 85%)9694(Top 803%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21story building
+97ft-345ft

Overall

18226

Females

6633

F50-54

6633

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

18668

Females

6878

F50-54

6878

10K→15K

6.2 - 9.3 mi

Top 68%
×3story building
+67ft-78ft

Overall

18226

Females

6633

F50-54

6633

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18075

Females

6554

F50-54

6554

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18097

Females

6561

F50-54

6561

Half→25K

13.1 - 15.5 mi

Top 78%
×4story building
+66ft-88ft

Overall

20732

Females

8121

F50-54

8121

25K→30K

15.5 - 18.6 mi

Top 67%
×9story building
+181ft-148ft

Overall

17851

Females

6560

F50-54

6560

30K→20M

18.6 - 20.0 mi

Top 76%
×5story building
+64ft-50ft

Overall

20211

Females

7984

F50-54

7984

20M→21M

20.0 - 21.0 mi

Top 76%
×8story building
+106ft-24ft

Overall

20262

Females

8069

F50-54

8069

21M→35K

21.0 - 21.8 mi

Top 69%
×7story building
+17ft-86ft

Overall

18416

Females

7066

F50-54

7066

35K→23M

21.8 - 23.0 mi

Top 70%
×5story building
+23ft-63ft

Overall

18743

Females

7266

F50-54

7266

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20173

Females

8066

F50-54

8066

24M→40K

24.0 - 24.9 mi

Top 71%
×1story
+6ft-20ft

Overall

19000

Females

7496

F50-54

7496

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21671

Females

8938

F50-54

8938

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23109

Females

9694

F50-54

9694

Passing Analysis

Category:
Athletes Passed
2781
Passed By
1505
Net Change
+1276
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20808
5K → 10K106060+1000#20808#19808
10K → 15K58329+554#19808#19254
15K → 20K36438+326#19254#18928
20K → Half5719+38#18928#18890
Half → 25K49436-387#18890#19277
25K → 30K32060+260#19277#19017
30K → 20M52166-114#19017#19131
20M → 21M49137-88#19131#19219
21M → 35K4929+20#19219#19199
35K → 23M8964+25#19199#19174
23M → 24M38108-70#19174#19244
24M → 40K5443+11#19244#19233
40K → 25.2M491-87#19233#19320
25.2M → Finish13225-212#19320#19532
TOTALS27811505+1276
📊

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