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BOSTON MARATHON 2023

Kelly Horan

Bib: 24811•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F45-49)
#0 / 1817
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
9:09/mi
28:26
↑ 97↓ 3451.5%
10K· 6.21 mi
9:14/mi
57:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:36/mi
1:26:57
↑ 67↓ 78
20K· 12.43 mi
9:51/mi
1:57:33
↑ 106↓ 860.1%
Half· 13.11 mi
9:32/mi
2:04:03
↑ 19↓ 370.5%
25K· 15.53 mi
9:54/mi
2:28:03
↑ 66↓ 880.2%
30K· 18.64 mi
10:38/mi
3:01:05
↑ 181↓ 1480.2%
20M
10:05/mi
3:14:47
↑ 64↓ 500.2%
21M
11:11/mi
3:25:58
↑ 106↓ 241.6%
35K· 21.75 mi
9:41/mi
3:33:13
↑ 17↓ 861.7%
23M
10:49/mi
3:46:46
↑ 23↓ 630.6%
24M
9:58/mi
3:56:44
↓ 821.3%
40K· 24.85 mi
10:44/mi
4:05:55
↓ 200.3%
25.2M
11:33/mi
4:09:54
↑ 13↓ 160.2%
Finish· 26.22 mi
10:16/mi
4:20:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:03
Pace9:28 /mi
2nd Half
Distance13.11 mi
Time2:16:19
Pace10:24 /mi
📊Positive Split: 9.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:43:5428:269:0928:26
9:09
-
10K
6.21 mi12:12:3557:079:1228:41
9:14
+0:05
15K
9.32 mi12:42:251:26:579:2029:50
9:36
+0:22
20K
12.43 mi13:13:011:57:339:2830:36
9:51
+0:15
Half
13.11 mi13:19:312:04:039:286:30
9:32
-0:19
25K
15.53 mi13:43:312:28:039:3224:00
9:54
+0:22
30K
18.64 mi14:16:333:01:059:4333:02
10:38
+0:44
20M
20.00 mi14:30:153:14:479:4413:42
10:05
-0:33
21M
21.00 mi14:41:263:25:589:4811:11
11:11
+1:06
35K
21.75 mi14:48:413:33:139:487:15
9:41
-1:30
23M
23.00 mi15:02:143:46:469:5213:33
10:49
+1:08
24M
24.00 mi15:12:123:56:449:529:58
9:58
-0:51
40K
24.85 mi15:21:234:05:559:549:11
10:44
+0:46
25.2M
25.20 mi15:25:224:09:549:553:59
11:33
+0:49
Finish
26.22 mi15:35:504:20:229:5610:28
10:16
-1:17

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

9:09 /mi

Average Pace

9:56 /mi

Slowest Pace

11:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:33:27

36% of race

Time at Steady Pace

1:35:59

37% of race

Time at Slower Pace

1:10:56

27% of race

Average Pace: 9:56 /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 mi11:43:5428:269:0928:26
9:09
#21059
10K
6.21 mi12:12:3557:079:1228:41
9:14
#21371
15K
9.32 mi12:42:251:26:579:2029:50
9:36
#21773
20K
12.43 mi13:13:011:57:339:2830:36
9:51
#21982
Half
13.11 mi13:19:312:04:039:286:30
9:32
#21982
25K
15.53 mi13:43:312:28:039:3224:00
9:54
#21980
30K
18.64 mi14:16:333:01:059:4333:02
10:38
#22107
20M
20.00 mi14:30:153:14:479:4413:42
10:05
#21990
21M
21.00 mi14:41:263:25:589:4811:11
11:11
#21949
35K
21.75 mi14:48:413:33:139:487:15
9:41
#21913
23M
23.00 mi15:02:143:46:469:5213:33
10:49
#21905
24M
24.00 mi15:12:123:56:449:529:58
9:58
#21859
40K
24.85 mi15:21:234:05:559:549:11
10:44
#21853
25.2M
25.20 mi15:25:224:09:549:553:59
11:33
#21851
Finish
26.22 mi15:35:504:20:229:5610:28
10:16
#21876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi210598404840422524(Top 85%)9081(Top 79%)9081(Top 500%)
10K6.21 mi3.10 mi21371-3128514-1108514-11021718(Top 82%)8668(Top 76%)8668(Top 477%)
15K9.32 mi3.11 mi21773-4028713-1998713-19922524(Top 85%)9081(Top 79%)9081(Top 500%)
20K12.43 mi3.11 mi21982-2098826-1138826-11322525(Top 85%)9095(Top 80%)9095(Top 501%)
Half13.11 mi0.68 mi219828819+78819+722208(Top 83%)8895(Top 78%)8895(Top 490%)
25K15.53 mi2.42 mi21980+28816+38816+321989(Top 83%)8834(Top 77%)8834(Top 486%)
30K18.64 mi3.11 mi22107-1278898-828898-8222476(Top 84%)9168(Top 80%)9168(Top 505%)
20M20.00 mi1.36 mi21990+1178841+578841+5720713(Top 78%)8261(Top 72%)8261(Top 455%)
21M21.00 mi1.00 mi21949+418825+168825+1621242(Top 80%)8596(Top 75%)8596(Top 473%)
35K21.75 mi0.75 mi21913+368806+198806+1920473(Top 77%)8215(Top 72%)8215(Top 452%)
23M23.00 mi1.25 mi21905+88818-128818-1222014(Top 83%)9080(Top 79%)9080(Top 500%)
24M24.00 mi1.00 mi21859+468806+128806+1220719(Top 78%)8399(Top 74%)8399(Top 462%)
40K24.85 mi0.85 mi21853+68813-78813-721821(Top 82%)9054(Top 79%)9054(Top 498%)
25.2M25.20 mi0.35 mi21851+28818-58818-521694(Top 81%)8961(Top 78%)8961(Top 493%)
Finish26.22 mi1.02 mi21876-258843-258843-2522474(Top 84%)9369(Top 82%)9369(Top 516%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22524

Females

9081

F45-49

9081

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21718

Females

8668

F45-49

8668

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22524

Females

9081

F45-49

9081

15K→20K

9.3 - 12.4 mi

Top 85%
×5story building
+106ft-86ft

Overall

22525

Females

9095

F45-49

9095

20K→Half

12.4 - 13.1 mi

Top 83%
×2story building
+19ft-37ft

Overall

22208

Females

8895

F45-49

8895

Half→25K

13.1 - 15.5 mi

Top 83%
×4story building
+66ft-88ft

Overall

21989

Females

8834

F45-49

8834

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

22476

Females

9168

F45-49

9168

30K→20M

18.6 - 20.0 mi

Top 78%
×5story building
+64ft-50ft

Overall

20713

Females

8261

F45-49

8261

20M→21M

20.0 - 21.0 mi

Top 80%
×8story building
+106ft-24ft

Overall

21242

Females

8596

F45-49

8596

21M→35K

21.0 - 21.8 mi

Top 77%
×7story building
+17ft-86ft

Overall

20473

Females

8215

F45-49

8215

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22014

Females

9080

F45-49

9080

23M→24M

23.0 - 24.0 mi

Top 78%
×6story building
+12ft-82ft

Overall

20719

Females

8399

F45-49

8399

24M→40K

24.0 - 24.9 mi

Top 82%
×1story
+6ft-20ft

Overall

21821

Females

9054

F45-49

9054

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21694

Females

8961

F45-49

8961

25.2M→Finish

25.2 - 26.2 mi

Top 84%
×2story building
+22ft-21ft

Overall

22474

Females

9369

F45-49

9369

Passing Analysis

Category:
Athletes Passed
948
Passed By
1765
Net Change
-817
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21059
5K → 10K150462-312#21059#21371
10K → 15K46448-402#21371#21773
15K → 20K64273-209#21773#21982
20K → Half23230#21982#21982
Half → 25K10199+2#21982#21980
25K → 30K91218-127#21980#22107
30K → 20M13215+117#22107#21990
20M → 21M8544+41#21990#21949
21M → 35K459+36#21949#21913
35K → 23M6456+8#21913#21905
23M → 24M6115+46#21905#21859
24M → 40K4135+6#21859#21853
40K → 25.2M1614+2#21853#21851
25.2M → Finish2954-25#21851#21876
TOTALS9481765-817
📊

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