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BOSTON MARATHON 2023

Celina Kirschner

Bib: 11237•F

WA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 22%
Gender (Female)
#0 / 11423
Top 5%
Division (F18-39)
#0 / 4884
Top 10%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:22
Rank: #5398
Start → 5K
21:22 | 6:53/mi
10K· 6.21 mi
42:12
Rank: #4906 (+492)
5K → 10K
20:50 | 6:42/mi
15K· 9.32 mi
1:03:25
Rank: #5040 (-134)
10K → 15K
21:13 | 6:50/mi
20K· 12.43 mi
1:25:12
Rank: #5393 (-353)
15K → 20K
21:47 | 7:01/mi
Half· 13.11 mi
1:30:03
Rank: #5511 (-118)
20K → Half
4:51 | 7:07/mi
25K· 15.53 mi
1:47:22
Rank: #5667 (-156)
Half → 25K
17:19 | 7:09/mi
30K· 18.64 mi
2:10:39
Rank: #5869 (-202)
25K → 30K
23:17 | 7:30/mi
20M
2:20:49
Rank: #5900 (-31)
30K → 20M
10:10 | 7:29/mi
21M
2:28:48
Rank: #5906 (-6)
20M → 21M
7:59 | 7:59/mi
35K· 21.75 mi
2:34:12
Rank: #5899 (+7)
21M → 35K
5:24 | 7:13/mi
23M
2:43:39
Rank: #5899
35K → 23M
9:27 | 7:33/mi
24M
2:51:05
Rank: #5899
23M → 24M
7:26 | 7:26/mi
40K· 24.85 mi
2:57:31
Rank: #5881 (+18)
24M → 40K
6:26 | 7:31/mi
25.2M
3:00:20
Rank: #5891 (-10)
40K → 25.2M
2:49 | 8:10/mi
Finish· 26.22 mi
3:07:49
Rank: #5894 (-3)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:30:03
Pace6:52 /mi
2nd Half
Distance13.11 mi
Time1:37:46
Pace7:27 /mi
📊Positive Split: 8.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5721:226:5321:22
6:53
-
10K
6.21 mi11:08:4742:126:4720:50
6:42
-0:11
15K
9.32 mi11:30:001:03:256:4821:13
6:50
+0:08
20K
12.43 mi11:51:471:25:126:5121:47
7:01
+0:11
Half
13.11 mi11:56:381:30:036:524:51
7:07
+0:06
25K
15.53 mi12:13:571:47:226:5517:19
7:09
+0:02
30K
18.64 mi12:37:142:10:397:0123:17
7:30
+0:21
20M
20.00 mi12:47:242:20:497:0210:10
7:29
-0:01
21M
21.00 mi12:55:232:28:487:057:59
7:59
+0:30
35K
21.75 mi13:00:472:34:127:055:24
7:13
-0:46
23M
23.00 mi13:10:142:43:397:079:27
7:33
+0:20
24M
24.00 mi13:17:402:51:057:087:26
7:26
-0:07
40K
24.85 mi13:24:062:57:317:096:26
7:31
+0:05
25.2M
25.20 mi13:26:553:00:207:092:49
8:10
+0:39
Finish
26.22 mi13:34:243:07:497:107:29
7:21
-0:49

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

6:42 /mi

Average Pace

7:10 /mi

Slowest Pace

8:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:47:22

57% of race

Time at Steady Pace

1:00:12

32% of race

Time at Slower Pace

20:15

11% of race

Average Pace: 7:10 /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 mi10:47:5721:226:5321:22
6:53
#5398
10K
6.21 mi11:08:4742:126:4720:50
6:42
#4906
15K
9.32 mi11:30:001:03:256:4821:13
6:50
#5040
20K
12.43 mi11:51:471:25:126:5121:47
7:01
#5393
Half
13.11 mi11:56:381:30:036:524:51
7:07
#5511
25K
15.53 mi12:13:571:47:226:5517:19
7:09
#5667
30K
18.64 mi12:37:142:10:397:0123:17
7:30
#5869
20M
20.00 mi12:47:242:20:497:0210:10
7:29
#5900
21M
21.00 mi12:55:232:28:487:057:59
7:59
#5906
35K
21.75 mi13:00:472:34:127:055:24
7:13
#5899
23M
23.00 mi13:10:142:43:397:079:27
7:33
#5899
24M
24.00 mi13:17:402:51:057:087:26
7:26
#5899
40K
24.85 mi13:24:062:57:317:096:26
7:31
#5881
25.2M
25.20 mi13:26:553:00:207:092:49
8:10
#5891
Finish
26.22 mi13:34:243:07:497:107:29
7:21
#5894
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi53984064065404(Top 20%)416(Top 4%)416(Top 9%)
10K6.21 mi3.10 mi4906+492347+59347+594413(Top 17%)282(Top 2%)282(Top 6%)
15K9.32 mi3.11 mi5040-134356-9356-95404(Top 20%)416(Top 4%)416(Top 9%)
20K12.43 mi3.11 mi5393-353402-46402-466063(Top 23%)538(Top 5%)538(Top 11%)
Half13.11 mi0.68 mi5511-118419-17419-177260(Top 27%)826(Top 7%)826(Top 17%)
25K15.53 mi2.42 mi5667-156450-31450-316356(Top 24%)657(Top 6%)657(Top 13%)
30K18.64 mi3.11 mi5869-202501-51501-517185(Top 27%)991(Top 9%)991(Top 20%)
20M20.00 mi1.36 mi5900-31515-14515-146685(Top 25%)911(Top 8%)911(Top 19%)
21M21.00 mi1.00 mi5906-6532-17532-177269(Top 27%)1219(Top 11%)1219(Top 25%)
35K21.75 mi0.75 mi5899+7536-4536-46659(Top 25%)961(Top 8%)961(Top 20%)
23M23.00 mi1.25 mi5899546-10546-106734(Top 25%)1065(Top 9%)1065(Top 22%)
24M24.00 mi1.00 mi5899563-17563-177273(Top 27%)1382(Top 12%)1382(Top 28%)
40K24.85 mi0.85 mi5881+18570-7570-76869(Top 26%)1300(Top 11%)1300(Top 27%)
25.2M25.20 mi0.35 mi5891-10575-5575-57527(Top 28%)1597(Top 14%)1597(Top 33%)
Finish26.22 mi1.02 mi5894-3587-12587-127416(Top 28%)1584(Top 14%)1584(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 20%
×21stories
+97ft-345ft

Overall

5404

Females

416

F18-39

416

5K→10K

3.1 - 6.2 mi

Top 17%
×5stories
+79ft-138ft

Overall

4413

Females

282

F18-39

282

10K→15K

6.2 - 9.3 mi

Top 20%
×3stories
+67ft-78ft

Overall

5404

Females

416

F18-39

416

15K→20K

9.3 - 12.4 mi

Top 23%
×5stories
+106ft-86ft

Overall

6063

Females

538

F18-39

538

20K→Half

12.4 - 13.1 mi

Top 27%
×2stories
+19ft-37ft

Overall

7260

Females

826

F18-39

826

Half→25K

13.1 - 15.5 mi

Top 24%
×4stories
+66ft-88ft

Overall

6356

Females

657

F18-39

657

25K→30K

15.5 - 18.6 mi

Top 27%
×9stories
+181ft-148ft

Overall

7185

Females

991

F18-39

991

30K→20M

18.6 - 20.0 mi

Top 25%
×5stories
+64ft-50ft

Overall

6685

Females

911

F18-39

911

20M→21M

20.0 - 21.0 mi

Top 27%
×8stories
+106ft-24ft

Overall

7269

Females

1219

F18-39

1219

21M→35K

21.0 - 21.8 mi

Top 25%
×7stories
+17ft-86ft

Overall

6659

Females

961

F18-39

961

35K→23M

21.8 - 23.0 mi

Top 25%
×5stories
+23ft-63ft

Overall

6734

Females

1065

F18-39

1065

23M→24M

23.0 - 24.0 mi

Top 27%
×6stories
+12ft-82ft

Overall

7273

Females

1382

F18-39

1382

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6869

Females

1300

F18-39

1300

40K→25.2M

24.9 - 25.2 mi

Top 28%
×1story
+13ft-16ft

Overall

7527

Females

1597

F18-39

1597

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7416

Females

1584

F18-39

1584

Passing Analysis

Category:
Athletes Passed
1149
Passed By
1645
Net Change
-496
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5398
5K → 10K53543+492#5398#4906
10K → 15K71205-134#4906#5040
15K → 20K37390-353#5040#5393
20K → Half3121-118#5393#5511
Half → 25K42198-156#5511#5667
25K → 30K67269-202#5667#5869
30K → 20M4980-31#5869#5900
20M → 21M5864-6#5900#5906
21M → 35K3629+7#5906#5899
35K → 23M63630#5899#5899
23M → 24M58580#5899#5899
24M → 40K5537+18#5899#5881
40K → 25.2M1929-10#5881#5891
25.2M → Finish5659-3#5891#5894
TOTALS11491645-496
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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