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BOSTON MARATHON 2023

Conner Cook

Bib: 16310•F

NC

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
8:28/mi
26:17
↑ 97↓ 3451.5%
10K· 6.21 mi
8:20/mi
52:10
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:17:39
↑ 67↓ 78
20K· 12.43 mi
8:07/mi
1:42:51
↑ 106↓ 860.1%
Half· 13.11 mi
8:02/mi
1:48:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:23/mi
2:08:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:58/mi
2:36:31
↑ 181↓ 1480.2%
20M
8:43/mi
2:48:22
↑ 64↓ 500.2%
21M
9:33/mi
2:57:55
↑ 106↓ 241.6%
35K· 21.75 mi
8:19/mi
3:04:08
↑ 17↓ 861.7%
23M
9:16/mi
3:15:44
↑ 23↓ 630.6%
24M
9:48/mi
3:25:32
↓ 821.3%
40K· 24.85 mi
9:30/mi
3:33:39
↓ 200.3%
25.2M
9:49/mi
3:37:02
↑ 13↓ 160.2%
Finish· 26.22 mi
9:09/mi
3:46:21
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:20
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time1:58:01
Pace9:00 /mi
📊Positive Split: 8.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:3426:178:2826:17
8:28
-
10K
6.21 mi11:42:2752:108:2425:53
8:20
-0:08
15K
9.32 mi12:07:561:17:398:2025:29
8:12
-0:08
20K
12.43 mi12:33:081:42:518:1725:12
8:07
-0:05
Half
13.11 mi12:38:371:48:208:165:29
8:02
-0:05
25K
15.53 mi12:58:562:08:398:1720:19
8:23
+0:21
30K
18.64 mi13:26:482:36:318:2427:52
8:58
+0:35
20M
20.00 mi13:38:392:48:228:2511:51
8:43
-0:15
21M
21.00 mi13:48:122:57:558:289:33
9:33
+0:50
35K
21.75 mi13:54:253:04:088:286:13
8:19
-1:14
23M
23.00 mi14:06:013:15:448:3111:36
9:16
+0:57
24M
24.00 mi14:15:493:25:328:349:48
9:48
+0:32
40K
24.85 mi14:23:563:33:398:368:07
9:30
-0:18
25.2M
25.20 mi14:27:193:37:028:373:23
9:49
+0:19
Finish
26.22 mi14:36:383:46:218:389:19
9:09
-0:40

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

8:02 /mi

Average Pace

8:38 /mi

Slowest Pace

9:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:48:35

48% of race

Time at Steady Pace

1:06:00

29% of race

Time at Slower Pace

51:46

23% of race

Average Pace: 8:38 /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 mi11:16:3426:178:2826:17
8:28
#17286
10K
6.21 mi11:42:2752:108:2425:53
8:20
#17186
15K
9.32 mi12:07:561:17:398:2025:29
8:12
#16733
20K
12.43 mi12:33:081:42:518:1725:12
8:07
#16090
Half
13.11 mi12:38:371:48:208:165:29
8:02
#16019
25K
15.53 mi12:58:562:08:398:1720:19
8:23
#15917
30K
18.64 mi13:26:482:36:318:2427:52
8:58
#16137
20M
20.00 mi13:38:392:48:228:2511:51
8:43
#16024
21M
21.00 mi13:48:122:57:558:289:33
9:33
#16006
35K
21.75 mi13:54:253:04:088:286:13
8:19
#15917
23M
23.00 mi14:06:013:15:448:3111:36
9:16
#16022
24M
24.00 mi14:15:493:25:328:349:48
9:48
#16271
40K
24.85 mi14:23:563:33:398:368:07
9:30
#16363
25.2M
25.20 mi14:27:193:37:028:373:23
9:49
#16371
Finish
26.22 mi14:36:383:46:218:389:19
9:09
#16474
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi172866118611815894(Top 60%)5228(Top 46%)5228(Top 107%)
10K6.21 mi3.10 mi17186+1006044+746044+7417139(Top 64%)5958(Top 52%)5958(Top 122%)
15K9.32 mi3.11 mi16733+4535752+2925752+29215894(Top 60%)5228(Top 46%)5228(Top 107%)
20K12.43 mi3.11 mi16090+6435363+3895363+38914305(Top 54%)4295(Top 38%)4295(Top 88%)
Half13.11 mi0.68 mi16019+715326+375326+3714756(Top 55%)4552(Top 40%)4552(Top 93%)
25K15.53 mi2.42 mi15917+1025283+435283+4315474(Top 58%)5129(Top 45%)5129(Top 105%)
30K18.64 mi3.11 mi16137-2205461-1785461-17817008(Top 64%)6066(Top 53%)6066(Top 124%)
20M20.00 mi1.36 mi16024+1135407+545407+5415023(Top 56%)5012(Top 44%)5012(Top 103%)
21M21.00 mi1.00 mi16006+185420-135420-1316223(Top 61%)5751(Top 50%)5751(Top 118%)
35K21.75 mi0.75 mi15917+895382+385382+3814215(Top 53%)4695(Top 41%)4695(Top 96%)
23M23.00 mi1.25 mi16022-1055474-925474-9217367(Top 65%)6483(Top 57%)6483(Top 133%)
24M24.00 mi1.00 mi16271-2495616-1425616-14220223(Top 76%)8097(Top 71%)8097(Top 166%)
40K24.85 mi0.85 mi16363-925692-765692-7618310(Top 69%)7102(Top 62%)7102(Top 145%)
25.2M25.20 mi0.35 mi16371-85703-115703-1116626(Top 62%)6215(Top 54%)6215(Top 127%)
Finish26.22 mi1.02 mi16474-1035771-685771-6818658(Top 70%)7251(Top 63%)7251(Top 148%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

15894

Females

5228

F18-39

5228

5K→10K

3.1 - 6.2 mi

Top 64%
×5story building
+79ft-138ft

Overall

17139

Females

5958

F18-39

5958

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

15894

Females

5228

F18-39

5228

15K→20K

9.3 - 12.4 mi

Top 54%
×5story building
+106ft-86ft

Overall

14305

Females

4295

F18-39

4295

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14756

Females

4552

F18-39

4552

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

15474

Females

5129

F18-39

5129

25K→30K

15.5 - 18.6 mi

Top 64%
×9story building
+181ft-148ft

Overall

17008

Females

6066

F18-39

6066

30K→20M

18.6 - 20.0 mi

Top 56%
×5story building
+64ft-50ft

Overall

15023

Females

5012

F18-39

5012

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16223

Females

5751

F18-39

5751

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

14215

Females

4695

F18-39

4695

35K→23M

21.8 - 23.0 mi

Top 65%
×5story building
+23ft-63ft

Overall

17367

Females

6483

F18-39

6483

23M→24M

23.0 - 24.0 mi

Top 76%
×6story building
+12ft-82ft

Overall

20223

Females

8097

F18-39

8097

24M→40K

24.0 - 24.9 mi

Top 69%
×1story
+6ft-20ft

Overall

18310

Females

7102

F18-39

7102

40K→25.2M

24.9 - 25.2 mi

Top 62%
×1story
+13ft-16ft

Overall

16626

Females

6215

F18-39

6215

25.2M→Finish

25.2 - 26.2 mi

Top 70%
×2story building
+22ft-21ft

Overall

18658

Females

7251

F18-39

7251

Passing Analysis

Category:
Athletes Passed
2408
Passed By
1596
Net Change
+812
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17286
5K → 10K363263+100#17286#17186
10K → 15K51158+453#17186#16733
15K → 20K6518+643#16733#16090
20K → Half776+71#16090#16019
Half → 25K18280+102#16019#15917
25K → 30K120340-220#15917#16137
30K → 20M13724+113#16137#16024
20M → 21M9173+18#16024#16006
21M → 35K10011+89#16006#15917
35K → 23M52157-105#15917#16022
23M → 24M23272-249#16022#16271
24M → 40K45137-92#16271#16363
40K → 25.2M2634-8#16363#16371
25.2M → Finish30133-103#16371#16474
TOTALS24081596+812
📊

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