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BOSTON MARATHON 2023

Zoe Radner

Bib: 24707•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

Start
0:00:00
Race begins
5K· 3.11 mi
25:48
Rank: #16201
Start → 5K
25:48 | 8:18/mi
10K· 6.21 mi
52:31
Rank: #17573 (-1372)
5K → 10K
26:43 | 8:36/mi
15K· 9.32 mi
1:19:04
Rank: #17739 (-166)
10K → 15K
26:33 | 8:33/mi
20K· 12.43 mi
1:45:40
Rank: #17586 (+153)
15K → 20K
26:36 | 8:34/mi
Half· 13.11 mi
1:51:25
Rank: #17560 (+26)
20K → Half
5:45 | 8:26/mi
25K· 15.53 mi
2:13:01
Rank: #17703 (-143)
Half → 25K
21:36 | 8:55/mi
30K· 18.64 mi
2:41:17
Rank: #17671 (+32)
25K → 30K
28:16 | 9:06/mi
20M
2:54:18
Rank: #17813 (-142)
30K → 20M
13:01 | 9:35/mi
21M
3:04:18
Rank: #17835 (-22)
20M → 21M
10:00 | 10:00/mi
35K· 21.75 mi
3:11:15
Rank: #17911 (-76)
21M → 35K
6:57 | 9:17/mi
23M
3:23:23
Rank: #18018 (-107)
35K → 23M
12:08 | 9:41/mi
24M
3:32:59
Rank: #18123 (-105)
23M → 24M
9:36 | 9:36/mi
40K· 24.85 mi
3:41:27
Rank: #18202 (-79)
24M → 40K
8:28 | 9:54/mi
25.2M
3:45:18
Rank: #18270 (-68)
40K → 25.2M
3:51 | 11:10/mi
Finish· 26.22 mi
3:55:15
Rank: #18419 (-149)
25.2M → Finish
9:57 | 9:46/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:51:25
Pace8:30 /mi
2nd Half
Distance13.11 mi
Time2:03:50
Pace9:27 /mi
📊Positive Split: 11.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:41:0425:488:1825:48
8:18
-
10K
6.21 mi12:07:4752:318:2726:43
8:36
+0:18
15K
9.32 mi12:34:201:19:048:2926:33
8:33
-0:03
20K
12.43 mi13:00:561:45:408:3026:36
8:34
+0:01
Half
13.11 mi13:06:411:51:258:305:45
8:26
-0:08
25K
15.53 mi13:28:172:13:018:3421:36
8:55
+0:29
30K
18.64 mi13:56:332:41:178:3928:16
9:06
+0:11
20M
20.00 mi14:09:342:54:188:4313:01
9:35
+0:29
21M
21.00 mi14:19:343:04:188:4710:00
10:00
+0:25
35K
21.75 mi14:26:313:11:158:486:57
9:17
-0:43
23M
23.00 mi14:38:393:23:238:5112:08
9:41
+0:24
24M
24.00 mi14:48:153:32:598:529:36
9:36
-0:05
40K
24.85 mi14:56:433:41:278:558:28
9:54
+0:18
25.2M
25.20 mi15:00:343:45:188:563:51
11:10
+1:16
Finish
26.22 mi15:10:313:55:158:599:57
9:46
-1:24

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

8:18 /mi

Average Pace

8:59 /mi

Slowest Pace

11:10 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:51:25

47% of race

Time at Steady Pace

1:19:26

34% of race

Time at Slower Pace

44:24

19% of race

Average Pace: 8:58 /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 mi11:41:0425:488:1825:48
8:18
#16201
10K
6.21 mi12:07:4752:318:2726:43
8:36
#17573
15K
9.32 mi12:34:201:19:048:2926:33
8:33
#17739
20K
12.43 mi13:00:561:45:408:3026:36
8:34
#17586
Half
13.11 mi13:06:411:51:258:305:45
8:26
#17560
25K
15.53 mi13:28:172:13:018:3421:36
8:55
#17703
30K
18.64 mi13:56:332:41:178:3928:16
9:06
#17671
20M
20.00 mi14:09:342:54:188:4313:01
9:35
#17813
21M
21.00 mi14:19:343:04:188:4710:00
10:00
#17835
35K
21.75 mi14:26:313:11:158:486:57
9:17
#17911
23M
23.00 mi14:38:393:23:238:5112:08
9:41
#18018
24M
24.00 mi14:48:153:32:598:529:36
9:36
#18123
40K
24.85 mi14:56:433:41:278:558:28
9:54
#18202
25.2M
25.20 mi15:00:343:45:188:563:51
11:10
#18270
Finish
26.22 mi15:10:313:55:158:599:57
9:46
#18419
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi162015411541118132(Top 68%)6580(Top 58%)6580(Top 135%)
10K6.21 mi3.10 mi17573-13726270-8596270-85918852(Top 71%)6993(Top 61%)6993(Top 143%)
15K9.32 mi3.11 mi17739-1666365-956365-9518132(Top 68%)6580(Top 58%)6580(Top 135%)
20K12.43 mi3.11 mi17586+1536267+986267+9817262(Top 65%)6085(Top 53%)6085(Top 125%)
Half13.11 mi0.68 mi17560+266257+106257+1017387(Top 65%)6133(Top 54%)6133(Top 126%)
25K15.53 mi2.42 mi17703-1436355-986355-9818510(Top 70%)6853(Top 60%)6853(Top 140%)
30K18.64 mi3.11 mi17671+326361-66361-617692(Top 66%)6463(Top 57%)6463(Top 132%)
20M20.00 mi1.36 mi17813-1426469-1086469-10819153(Top 72%)7376(Top 65%)7376(Top 151%)
21M21.00 mi1.00 mi17835-226491-226491-2218042(Top 68%)6790(Top 59%)6790(Top 139%)
35K21.75 mi0.75 mi17911-766545-546545-5419120(Top 72%)7450(Top 65%)7450(Top 153%)
23M23.00 mi1.25 mi18018-1076615-706615-7019053(Top 72%)7436(Top 65%)7436(Top 152%)
24M24.00 mi1.00 mi18123-1056703-886703-8819576(Top 74%)7746(Top 68%)7746(Top 159%)
40K24.85 mi0.85 mi18202-796757-546757-5419704(Top 74%)7890(Top 69%)7890(Top 162%)
25.2M25.20 mi0.35 mi18270-686801-446801-4420836(Top 78%)8488(Top 74%)8488(Top 174%)
Finish26.22 mi1.02 mi18419-1496891-906891-9021033(Top 79%)8574(Top 75%)8574(Top 176%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 68%
×21stories
+97ft-345ft

Overall

18132

Females

6580

F18-39

6580

5K→10K

3.1 - 6.2 mi

Top 71%
×5stories
+79ft-138ft

Overall

18852

Females

6993

F18-39

6993

10K→15K

6.2 - 9.3 mi

Top 68%
×3stories
+67ft-78ft

Overall

18132

Females

6580

F18-39

6580

15K→20K

9.3 - 12.4 mi

Top 65%
×5stories
+106ft-86ft

Overall

17262

Females

6085

F18-39

6085

20K→Half

12.4 - 13.1 mi

Top 65%
×2stories
+19ft-37ft

Overall

17387

Females

6133

F18-39

6133

Half→25K

13.1 - 15.5 mi

Top 70%
×4stories
+66ft-88ft

Overall

18510

Females

6853

F18-39

6853

25K→30K

15.5 - 18.6 mi

Top 66%
×9stories
+181ft-148ft

Overall

17692

Females

6463

F18-39

6463

30K→20M

18.6 - 20.0 mi

Top 72%
×5stories
+64ft-50ft

Overall

19153

Females

7376

F18-39

7376

20M→21M

20.0 - 21.0 mi

Top 68%
×8stories
+106ft-24ft

Overall

18042

Females

6790

F18-39

6790

21M→35K

21.0 - 21.8 mi

Top 72%
×7stories
+17ft-86ft

Overall

19120

Females

7450

F18-39

7450

35K→23M

21.8 - 23.0 mi

Top 72%
×5stories
+23ft-63ft

Overall

19053

Females

7436

F18-39

7436

23M→24M

23.0 - 24.0 mi

Top 74%
×6stories
+12ft-82ft

Overall

19576

Females

7746

F18-39

7746

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19704

Females

7890

F18-39

7890

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1story
+13ft-16ft

Overall

20836

Females

8488

F18-39

8488

25.2M→Finish

25.2 - 26.2 mi

Top 79%
×2stories
+22ft-21ft

Overall

21033

Females

8574

F18-39

8574

Passing Analysis

Category:
Athletes Passed
1016
Passed By
3234
Net Change
-2218
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16201
5K → 10K321404-1372#16201#17573
10K → 15K132298-166#17573#17739
15K → 20K24895+153#17739#17586
20K → Half5226+26#17586#17560
Half → 25K70213-143#17560#17703
25K → 30K194162+32#17703#17671
30K → 20M51193-142#17671#17813
20M → 21M79101-22#17813#17835
21M → 35K26102-76#17835#17911
35K → 23M54161-107#17911#18018
23M → 24M32137-105#18018#18123
24M → 40K24103-79#18123#18202
40K → 25.2M876-68#18202#18270
25.2M → Finish14163-149#18270#18419
TOTALS10163234-2218
📊

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