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BOSTON MARATHON 2023

Kiley Coffey

Bib: 26491•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
9:22/mi
29:07
↑ 97↓ 3451.5%
10K· 6.21 mi
9:21/mi
58:10
↑ 79↓ 1380.4%
15K· 9.32 mi
9:37/mi
1:28:04
↑ 67↓ 78
20K· 12.43 mi
9:41/mi
1:58:09
↑ 106↓ 860.1%
Half· 13.11 mi
8:58/mi
2:04:16
↑ 19↓ 370.5%
25K· 15.53 mi
9:11/mi
2:26:32
↑ 66↓ 880.2%
30K· 18.64 mi
9:42/mi
2:56:41
↑ 181↓ 1480.2%
20M
9:22/mi
3:09:25
↑ 64↓ 500.2%
21M
9:49/mi
3:19:14
↑ 106↓ 241.6%
35K· 21.75 mi
9:20/mi
3:26:13
↑ 17↓ 861.7%
23M
9:53/mi
3:38:35
↑ 23↓ 630.6%
24M
9:47/mi
3:48:22
↓ 821.3%
40K· 24.85 mi
9:46/mi
3:56:43
↓ 200.3%
25.2M
10:03/mi
4:00:11
↑ 13↓ 160.2%
Finish· 26.22 mi
8:27/mi
4:08:48
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:04:16
Pace9:29 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:04:32
Pace9:30 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:5729:079:2229:07
9:22
-
10K
6.21 mi12:15:0058:109:2229:03
9:21
-0:01
15K
9.32 mi12:44:541:28:049:2729:54
9:37
+0:16
20K
12.43 mi13:14:591:58:099:3030:05
9:41
+0:04
Half
13.11 mi13:21:062:04:169:296:07
8:58
-0:43
25K
15.53 mi13:43:222:26:329:2622:16
9:11
+0:13
30K
18.64 mi14:13:312:56:419:2930:09
9:42
+0:31
20M
20.00 mi14:26:153:09:259:2812:44
9:22
-0:20
21M
21.00 mi14:36:043:19:149:299:49
9:49
+0:27
35K
21.75 mi14:43:033:26:139:296:59
9:20
-0:29
23M
23.00 mi14:55:253:38:359:3012:22
9:53
+0:33
24M
24.00 mi15:05:123:48:229:319:47
9:47
-0:06
40K
24.85 mi15:13:333:56:439:318:21
9:46
-0:01
25.2M
25.20 mi15:17:014:00:119:323:28
10:03
+0:17
Finish
26.22 mi15:25:384:08:489:308:37
8:27
-1:36

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

8:27 /mi

Average Pace

9:30 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:00

15% of race

Time at Steady Pace

3:28:20

84% of race

Time at Slower Pace

3:28

1% of race

Average Pace: 9:29 /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 mi11:45:5729:079:2229:07
9:22
#21733
10K
6.21 mi12:15:0058:109:2229:03
9:21
#21923
15K
9.32 mi12:44:541:28:049:2729:54
9:37
#22150
20K
12.43 mi13:14:591:58:099:3030:05
9:41
#22128
Half
13.11 mi13:21:062:04:169:296:07
8:58
#22039
25K
15.53 mi13:43:222:26:329:2622:16
9:11
#21677
30K
18.64 mi14:13:312:56:419:2930:09
9:42
#21409
20M
20.00 mi14:26:153:09:259:2812:44
9:22
#21188
21M
21.00 mi14:36:043:19:149:299:49
9:49
#20975
35K
21.75 mi14:43:033:26:139:296:59
9:20
#20912
23M
23.00 mi14:55:253:38:359:3012:22
9:53
#20816
24M
24.00 mi15:05:123:48:229:319:47
9:47
#20768
40K
24.85 mi15:13:333:56:439:318:21
9:46
#20708
25.2M
25.20 mi15:17:014:00:119:323:28
10:03
#20670
Finish
26.22 mi15:25:384:08:489:308:37
8:27
#20506
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi217338757875722585(Top 85%)9120(Top 80%)9120(Top 187%)
10K6.21 mi3.10 mi21923-1908808-518808-5122074(Top 83%)8854(Top 78%)8854(Top 181%)
15K9.32 mi3.11 mi22150-2278913-1058913-10522585(Top 85%)9120(Top 80%)9120(Top 187%)
20K12.43 mi3.11 mi22128+228899+148899+1422107(Top 83%)8862(Top 78%)8862(Top 181%)
Half13.11 mi0.68 mi22039+898849+508849+5020341(Top 76%)7876(Top 69%)7876(Top 161%)
25K15.53 mi2.42 mi21677+3628643+2068643+20619779(Top 74%)7577(Top 66%)7577(Top 155%)
30K18.64 mi3.11 mi21409+2688507+1368507+13620162(Top 76%)7864(Top 69%)7864(Top 161%)
20M20.00 mi1.36 mi21188+2218409+988409+9818359(Top 69%)6949(Top 61%)6949(Top 142%)
21M21.00 mi1.00 mi20975+2138295+1148295+11417350(Top 65%)6407(Top 56%)6407(Top 131%)
35K21.75 mi0.75 mi20912+638271+248271+2419320(Top 73%)7561(Top 66%)7561(Top 155%)
23M23.00 mi1.25 mi20816+968228+438228+4319652(Top 74%)7767(Top 68%)7767(Top 159%)
24M24.00 mi1.00 mi20768+488213+158213+1520184(Top 76%)8077(Top 71%)8077(Top 165%)
40K24.85 mi0.85 mi20708+608192+218192+2119297(Top 72%)7655(Top 67%)7655(Top 157%)
25.2M25.20 mi0.35 mi20670+388174+188174+1817678(Top 66%)6805(Top 60%)6805(Top 139%)
Finish26.22 mi1.02 mi20506+1648091+838091+8315184(Top 57%)5373(Top 47%)5373(Top 110%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 85%
×21story building
+97ft-345ft

Overall

22585

Females

9120

F18-39

9120

5K→10K

3.1 - 6.2 mi

Top 83%
×5story building
+79ft-138ft

Overall

22074

Females

8854

F18-39

8854

10K→15K

6.2 - 9.3 mi

Top 85%
×3story building
+67ft-78ft

Overall

22585

Females

9120

F18-39

9120

15K→20K

9.3 - 12.4 mi

Top 83%
×5story building
+106ft-86ft

Overall

22107

Females

8862

F18-39

8862

20K→Half

12.4 - 13.1 mi

Top 76%
×2story building
+19ft-37ft

Overall

20341

Females

7876

F18-39

7876

Half→25K

13.1 - 15.5 mi

Top 74%
×4story building
+66ft-88ft

Overall

19779

Females

7577

F18-39

7577

25K→30K

15.5 - 18.6 mi

Top 76%
×9story building
+181ft-148ft

Overall

20162

Females

7864

F18-39

7864

30K→20M

18.6 - 20.0 mi

Top 69%
×5story building
+64ft-50ft

Overall

18359

Females

6949

F18-39

6949

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

17350

Females

6407

F18-39

6407

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

19320

Females

7561

F18-39

7561

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

19652

Females

7767

F18-39

7767

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20184

Females

8077

F18-39

8077

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

19297

Females

7655

F18-39

7655

40K→25.2M

24.9 - 25.2 mi

Top 66%
×1story
+13ft-16ft

Overall

17678

Females

6805

F18-39

6805

25.2M→Finish

25.2 - 26.2 mi

Top 57%
×2story building
+22ft-21ft

Overall

15184

Females

5373

F18-39

5373

Passing Analysis

Category:
Athletes Passed
2149
Passed By
922
Net Change
+1227
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21733
5K → 10K181371-190#21733#21923
10K → 15K94321-227#21923#22150
15K → 20K146124+22#22150#22128
20K → Half934+89#22128#22039
Half → 25K3642+362#22039#21677
25K → 30K28719+268#21677#21409
30K → 20M2254+221#21409#21188
20M → 21M2141+213#21188#20975
21M → 35K729+63#20975#20912
35K → 23M12731+96#20912#20816
23M → 24M6315+48#20816#20768
24M → 40K7313+60#20768#20708
40K → 25.2M424+38#20708#20670
25.2M → Finish1684+164#20670#20506
TOTALS2149922+1227
📊

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