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BOSTON MARATHON 2023

Celia Kampner

Bib: 29548•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
10:03/mi
31:12
↑ 97↓ 3451.5%
10K· 6.21 mi
10:13/mi
1:02:55
↑ 79↓ 1380.4%
15K· 9.32 mi
10:36/mi
1:35:50
↑ 67↓ 78
20K· 12.43 mi
10:38/mi
2:08:52
↑ 106↓ 860.1%
Half· 13.11 mi
10:58/mi
2:16:21
↑ 19↓ 370.5%
25K· 15.53 mi
11:03/mi
2:43:08
↑ 66↓ 880.2%
30K· 18.64 mi
11:06/mi
3:17:37
↑ 181↓ 1480.2%
20M
11:49/mi
3:33:41
↑ 64↓ 500.2%
21M
12:00/mi
3:45:41
↑ 106↓ 241.6%
35K· 21.75 mi
10:54/mi
3:53:50
↑ 17↓ 861.7%
23M
11:16/mi
4:07:57
↑ 23↓ 630.6%
24M
11:30/mi
4:19:27
↓ 821.3%
40K· 24.85 mi
12:07/mi
4:29:49
↓ 200.3%
25.2M
12:05/mi
4:33:59
↑ 13↓ 160.2%
Finish· 26.22 mi
10:31/mi
4:44:42
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:16:21
Pace10:24 /mi
2nd Half
Distance13.11 mi
Time2:28:21
Pace11:19 /mi
📊Positive Split: 8.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:4031:1210:0331:12
10:03
-
10K
6.21 mi12:21:231:02:5510:0831:43
10:13
+0:10
15K
9.32 mi12:54:181:35:5010:1732:55
10:36
+0:23
20K
12.43 mi13:27:202:08:5210:2233:02
10:38
+0:02
Half
13.11 mi13:34:492:16:2110:247:29
10:58
+0:20
25K
15.53 mi14:01:362:43:0810:3026:47
11:03
+0:05
30K
18.64 mi14:36:053:17:3710:3634:29
11:06
+0:03
20M
20.00 mi14:52:093:33:4110:4116:04
11:49
+0:43
21M
21.00 mi15:04:093:45:4110:4512:00
12:00
+0:11
35K
21.75 mi15:12:183:53:5010:458:09
10:54
-1:06
23M
23.00 mi15:26:254:07:5710:4714:07
11:16
+0:22
24M
24.00 mi15:37:554:19:2710:4911:30
11:30
+0:14
40K
24.85 mi15:48:174:29:4910:5110:22
12:07
+0:37
25.2M
25.20 mi15:52:274:33:5910:524:10
12:05
-0:02
Finish
26.22 mi16:03:104:44:4210:5210:43
10:31
-1:34

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

10:03 /mi

Average Pace

10:52 /mi

Slowest Pace

12:07 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:35

49% of race

Time at Steady Pace

1:31:01

32% of race

Time at Slower Pace

54:06

19% of race

Average Pace: 10:51 /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 mi11:49:4031:1210:0331:12
10:03
#23547
10K
6.21 mi12:21:231:02:5510:0831:43
10:13
#23901
15K
9.32 mi12:54:181:35:5010:1732:55
10:36
#24177
20K
12.43 mi13:27:202:08:5210:2233:02
10:38
#24153
Half
13.11 mi13:34:492:16:2110:247:29
10:58
#24203
25K
15.53 mi14:01:362:43:0810:3026:47
11:03
#24168
30K
18.64 mi14:36:053:17:3710:3634:29
11:06
#23991
20M
20.00 mi14:52:093:33:4110:4116:04
11:49
#24011
21M
21.00 mi15:04:093:45:4110:4512:00
12:00
#23944
35K
21.75 mi15:12:183:53:5010:458:09
10:54
#23919
23M
23.00 mi15:26:254:07:5710:4714:07
11:16
#23881
24M
24.00 mi15:37:554:19:2710:4911:30
11:30
#23885
40K
24.85 mi15:48:174:29:4910:5110:22
12:07
#23888
25.2M
25.20 mi15:52:274:33:5910:524:10
12:05
#23875
Finish
26.22 mi16:03:104:44:4210:5210:43
10:31
#23862
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi235479671967124624(Top 92%)10244(Top 90%)10244(Top 210%)
10K6.21 mi3.10 mi23901-3549839-1689839-16824154(Top 91%)9971(Top 87%)9971(Top 204%)
15K9.32 mi3.11 mi24177-2769988-1499988-14924624(Top 92%)10244(Top 90%)10244(Top 210%)
20K12.43 mi3.11 mi24153+249977+119977+1124068(Top 90%)9948(Top 87%)9948(Top 204%)
Half13.11 mi0.68 mi24203-5010007-3010007-3024902(Top 94%)10443(Top 91%)10443(Top 214%)
25K15.53 mi2.42 mi24168+359999+89999+824056(Top 90%)9979(Top 87%)9979(Top 204%)
30K18.64 mi3.11 mi23991+1779913+869913+8623236(Top 87%)9589(Top 84%)9589(Top 196%)
20M20.00 mi1.36 mi24011-209933-209933-2023979(Top 90%)10071(Top 88%)10071(Top 206%)
21M21.00 mi1.00 mi23944+679905+289905+2822765(Top 86%)9423(Top 82%)9423(Top 193%)
35K21.75 mi0.75 mi23919+259901+49901+423128(Top 87%)9663(Top 85%)9663(Top 198%)
23M23.00 mi1.25 mi23881+389889+129889+1222858(Top 86%)9516(Top 83%)9516(Top 195%)
24M24.00 mi1.00 mi23885-49896-79896-723873(Top 90%)10093(Top 88%)10093(Top 207%)
40K24.85 mi0.85 mi23888-39912-169912-1624045(Top 90%)10198(Top 89%)10198(Top 209%)
25.2M25.20 mi0.35 mi23875+139905+79905+722678(Top 85%)9496(Top 83%)9496(Top 194%)
Finish26.22 mi1.02 mi23862+139901+49901+423042(Top 87%)9668(Top 85%)9668(Top 198%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 92%
×21story building
+97ft-345ft

Overall

24624

Females

10244

F18-39

10244

5K→10K

3.1 - 6.2 mi

Top 91%
×5story building
+79ft-138ft

Overall

24154

Females

9971

F18-39

9971

10K→15K

6.2 - 9.3 mi

Top 92%
×3story building
+67ft-78ft

Overall

24624

Females

10244

F18-39

10244

15K→20K

9.3 - 12.4 mi

Top 90%
×5story building
+106ft-86ft

Overall

24068

Females

9948

F18-39

9948

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24902

Females

10443

F18-39

10443

Half→25K

13.1 - 15.5 mi

Top 90%
×4story building
+66ft-88ft

Overall

24056

Females

9979

F18-39

9979

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23236

Females

9589

F18-39

9589

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

23979

Females

10071

F18-39

10071

20M→21M

20.0 - 21.0 mi

Top 86%
×8story building
+106ft-24ft

Overall

22765

Females

9423

F18-39

9423

21M→35K

21.0 - 21.8 mi

Top 87%
×7story building
+17ft-86ft

Overall

23128

Females

9663

F18-39

9663

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22858

Females

9516

F18-39

9516

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23873

Females

10093

F18-39

10093

24M→40K

24.0 - 24.9 mi

Top 90%
×1story
+6ft-20ft

Overall

24045

Females

10198

F18-39

10198

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22678

Females

9496

F18-39

9496

25.2M→Finish

25.2 - 26.2 mi

Top 87%
×2story building
+22ft-21ft

Overall

23042

Females

9668

F18-39

9668

Passing Analysis

Category:
Athletes Passed
899
Passed By
1214
Net Change
-315
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23547
5K → 10K78432-354#23547#23901
10K → 15K39315-276#23901#24177
15K → 20K124100+24#24177#24153
20K → Half1161-50#24153#24203
Half → 25K11681+35#24203#24168
25K → 30K20225+177#24168#23991
30K → 20M4161-20#23991#24011
20M → 21M769+67#24011#23944
21M → 35K4015+25#23944#23919
35K → 23M6123+38#23919#23881
23M → 24M3236-4#23881#23885
24M → 40K3033-3#23885#23888
40K → 25.2M185+13#23888#23875
25.2M → Finish3118+13#23875#23862
TOTALS8991214-315
📊

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