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BOSTON MARATHON 2023

Nina Celmo

Bib: 14186•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 49%
Gender (Female)
#0 / 11423
Top 33%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:10
Rank: #12179
Start → 5K
24:10 | 7:47/mi
10K· 6.21 mi
47:30
Rank: #11316 (+863)
5K → 10K
23:20 | 7:31/mi
15K· 9.32 mi
1:11:16
Rank: #11335 (-19)
10K → 15K
23:46 | 7:39/mi
20K· 12.43 mi
1:35:38
Rank: #11503 (-168)
15K → 20K
24:22 | 7:51/mi
Half· 13.11 mi
1:40:59
Rank: #11567 (-64)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:00:45
Rank: #11941 (-374)
Half → 25K
19:46 | 8:09/mi
30K· 18.64 mi
2:27:46
Rank: #12704 (-763)
25K → 30K
27:01 | 8:42/mi
20M
2:39:32
Rank: #12853 (-149)
30K → 20M
11:46 | 8:40/mi
21M
2:48:55
Rank: #13011 (-158)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:55:17
Rank: #13092 (-81)
21M → 35K
6:22 | 8:31/mi
23M
3:06:01
Rank: #13104 (-12)
35K → 23M
10:44 | 8:34/mi
24M
3:14:27
Rank: #13138 (-34)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:21:52
Rank: #13178 (-40)
24M → 40K
7:25 | 8:40/mi
25.2M
3:25:11
Rank: #13198 (-20)
40K → 25.2M
3:19 | 9:37/mi
Finish· 26.22 mi
3:33:25
Rank: #13169 (+29)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:59
Pace7:42 /mi
2nd Half
Distance13.11 mi
Time1:52:26
Pace8:35 /mi
📊Positive Split: 11.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:53:0624:107:4724:10
7:47
-
10K
6.21 mi11:16:2647:307:3923:20
7:31
-0:16
15K
9.32 mi11:40:121:11:167:3923:46
7:39
+0:08
20K
12.43 mi12:04:341:35:387:4224:22
7:51
+0:12
Half
13.11 mi12:09:551:40:597:425:21
7:50
-0:01
25K
15.53 mi12:29:412:00:457:4619:46
8:09
+0:19
30K
18.64 mi12:56:422:27:467:5627:01
8:42
+0:33
20M
20.00 mi13:08:282:39:327:5911:46
8:40
-0:02
21M
21.00 mi13:17:512:48:558:039:23
9:23
+0:43
35K
21.75 mi13:24:132:55:178:046:22
8:31
-0:52
23M
23.00 mi13:34:573:06:018:0510:44
8:34
+0:03
24M
24.00 mi13:43:233:14:278:068:26
8:26
-0:08
40K
24.85 mi13:50:483:21:528:077:25
8:40
+0:14
25.2M
25.20 mi13:54:073:25:118:093:19
9:37
+0:57
Finish
26.22 mi14:02:213:33:258:098:14
8:05
-1:32

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

7:31 /mi

Average Pace

8:09 /mi

Slowest Pace

9:37 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:49:13

51% of race

Time at Steady Pace

1:31:30

43% of race

Time at Slower Pace

12:42

6% of race

Average Pace: 8:08 /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 mi10:53:0624:107:4724:10
7:47
#12179
10K
6.21 mi11:16:2647:307:3923:20
7:31
#11316
15K
9.32 mi11:40:121:11:167:3923:46
7:39
#11335
20K
12.43 mi12:04:341:35:387:4224:22
7:51
#11503
Half
13.11 mi12:09:551:40:597:425:21
7:50
#11567
25K
15.53 mi12:29:412:00:457:4619:46
8:09
#11941
30K
18.64 mi12:56:422:27:467:5627:01
8:42
#12704
20M
20.00 mi13:08:282:39:327:5911:46
8:40
#12853
21M
21.00 mi13:17:512:48:558:039:23
9:23
#13011
35K
21.75 mi13:24:132:55:178:046:22
8:31
#13092
23M
23.00 mi13:34:573:06:018:0510:44
8:34
#13104
24M
24.00 mi13:43:233:14:278:068:26
8:26
#13138
40K
24.85 mi13:50:483:21:528:077:25
8:40
#13178
25.2M
25.20 mi13:54:073:25:118:093:19
9:37
#13198
Finish
26.22 mi14:02:213:33:258:098:14
8:05
#13169
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi121792969296911440(Top 43%)2597(Top 23%)2597(Top 53%)
10K6.21 mi3.10 mi11316+8632504+4652504+46510547(Top 40%)2084(Top 18%)2084(Top 43%)
15K9.32 mi3.11 mi11335-192509-52509-511440(Top 43%)2597(Top 23%)2597(Top 53%)
20K12.43 mi3.11 mi11503-1682621-1122621-11212120(Top 46%)3043(Top 27%)3043(Top 62%)
Half13.11 mi0.68 mi11567-642665-442665-4413168(Top 49%)3602(Top 32%)3602(Top 74%)
25K15.53 mi2.42 mi11941-3742904-2392904-23913897(Top 52%)4153(Top 36%)4153(Top 85%)
30K18.64 mi3.11 mi12704-7633378-4743378-47415492(Top 58%)5212(Top 46%)5212(Top 107%)
20M20.00 mi1.36 mi12853-1493484-1063484-10614622(Top 55%)4774(Top 42%)4774(Top 98%)
21M21.00 mi1.00 mi13011-1583595-1113595-11115402(Top 58%)5279(Top 46%)5279(Top 108%)
35K21.75 mi0.75 mi13092-813650-553650-5515388(Top 58%)5333(Top 47%)5333(Top 109%)
23M23.00 mi1.25 mi13104-123683-333683-3313671(Top 51%)4429(Top 39%)4429(Top 91%)
24M24.00 mi1.00 mi13138-343732-493732-4914089(Top 53%)4716(Top 41%)4716(Top 97%)
40K24.85 mi0.85 mi13178-403769-373769-3714381(Top 54%)4953(Top 43%)4953(Top 101%)
25.2M25.20 mi0.35 mi13198-203797-283797-2815750(Top 59%)5706(Top 50%)5706(Top 117%)
Finish26.22 mi1.02 mi13169+293798-13798-112676(Top 48%)4052(Top 35%)4052(Top 83%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 43%
×21stories
+97ft-345ft

Overall

11440

Females

2597

F18-39

2597

5K→10K

3.1 - 6.2 mi

Top 40%
×5stories
+79ft-138ft

Overall

10547

Females

2084

F18-39

2084

10K→15K

6.2 - 9.3 mi

Top 43%
×3stories
+67ft-78ft

Overall

11440

Females

2597

F18-39

2597

15K→20K

9.3 - 12.4 mi

Top 46%
×5stories
+106ft-86ft

Overall

12120

Females

3043

F18-39

3043

20K→Half

12.4 - 13.1 mi

Top 49%
×2stories
+19ft-37ft

Overall

13168

Females

3602

F18-39

3602

Half→25K

13.1 - 15.5 mi

Top 52%
×4stories
+66ft-88ft

Overall

13897

Females

4153

F18-39

4153

25K→30K

15.5 - 18.6 mi

Top 58%
×9stories
+181ft-148ft

Overall

15492

Females

5212

F18-39

5212

30K→20M

18.6 - 20.0 mi

Top 55%
×5stories
+64ft-50ft

Overall

14622

Females

4774

F18-39

4774

20M→21M

20.0 - 21.0 mi

Top 58%
×8stories
+106ft-24ft

Overall

15402

Females

5279

F18-39

5279

21M→35K

21.0 - 21.8 mi

Top 58%
×7stories
+17ft-86ft

Overall

15388

Females

5333

F18-39

5333

35K→23M

21.8 - 23.0 mi

Top 51%
×5stories
+23ft-63ft

Overall

13671

Females

4429

F18-39

4429

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14089

Females

4716

F18-39

4716

24M→40K

24.0 - 24.9 mi

Top 54%
×1story
+6ft-20ft

Overall

14381

Females

4953

F18-39

4953

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15750

Females

5706

F18-39

5706

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2stories
+22ft-21ft

Overall

12676

Females

4052

F18-39

4052

Passing Analysis

Category:
Athletes Passed
1778
Passed By
2768
Net Change
-990
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12179
5K → 10K93471+863#12179#11316
10K → 15K177196-19#11316#11335
15K → 20K107275-168#11335#11503
20K → Half1377-64#11503#11567
Half → 25K49423-374#11567#11941
25K → 30K57820-763#11941#12704
30K → 20M59208-149#12704#12853
20M → 21M54212-158#12853#13011
21M → 35K29110-81#13011#13092
35K → 23M8799-12#13092#13104
23M → 24M5589-34#13104#13138
24M → 40K4383-40#13138#13178
40K → 25.2M3757-20#13178#13198
25.2M → Finish7748+29#13198#13169
TOTALS17782768-990
📊

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