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BOSTON MARATHON 2023

Sydney Radding

Bib: 25359•F

VA

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
28:17
Rank: #20890
Start → 5K
28:17 | 9:06/mi
10K· 6.21 mi
59:55
Rank: #22742 (-1852)
5K → 10K
31:38 | 10:11/mi
15K· 9.32 mi
1:28:54
Rank: #22420 (+322)
10K → 15K
28:59 | 9:20/mi
20K· 12.43 mi
2:01:00
Rank: #22767 (-347)
15K → 20K
32:06 | 10:20/mi
Half· 13.11 mi
2:07:49
Rank: #22800 (-33)
20K → Half
6:49 | 9:59/mi
25K· 15.53 mi
2:32:54
Rank: #22830 (-30)
Half → 25K
25:05 | 10:21/mi
30K· 18.64 mi
3:07:05
Rank: #22863 (-33)
25K → 30K
34:11 | 11:00/mi
20M
3:23:31
Rank: #23033 (-170)
30K → 20M
16:26 | 12:06/mi
21M
3:36:26
Rank: #23109 (-76)
20M → 21M
12:55 | 12:55/mi
35K· 21.75 mi
3:45:28
Rank: #23185 (-76)
21M → 35K
9:02 | 12:04/mi
23M
4:02:02
Rank: #23393 (-208)
35K → 23M
16:34 | 13:14/mi
24M
4:16:25
Rank: #23647 (-254)
23M → 24M
14:23 | 14:23/mi
40K· 24.85 mi
4:28:25
Rank: #23798 (-151)
24M → 40K
12:00 | 14:02/mi
25.2M
4:33:31
Rank: #23842 (-44)
40K → 25.2M
5:06 | 14:47/mi
Finish· 26.22 mi
4:46:13
Rank: #23949 (-107)
25.2M → Finish
12:42 | 12:28/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:07:49
Pace9:45 /mi
2nd Half
Distance13.11 mi
Time2:38:24
Pace12:05 /mi
📊Positive Split: 23.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:44:0828:179:0628:17
9:06
-
10K
6.21 mi12:15:4659:559:3931:38
10:11
+1:05
15K
9.32 mi12:44:451:28:549:3228:59
9:20
-0:51
20K
12.43 mi13:16:512:01:009:4432:06
10:20
+1:00
Half
13.11 mi13:23:402:07:499:456:49
9:59
-0:21
25K
15.53 mi13:48:452:32:549:5125:05
10:21
+0:22
30K
18.64 mi14:22:563:07:0510:0234:11
11:00
+0:39
20M
20.00 mi14:39:223:23:3110:1116:26
12:06
+1:06
21M
21.00 mi14:52:173:36:2610:1812:55
12:55
+0:49
35K
21.75 mi15:01:193:45:2810:229:02
12:04
-0:51
23M
23.00 mi15:17:534:02:0210:3116:34
13:14
+1:10
24M
24.00 mi15:32:164:16:2510:4114:23
14:23
+1:09
40K
24.85 mi15:44:164:28:2510:4812:00
14:02
-0:21
25.2M
25.20 mi15:49:224:33:3110:515:06
14:47
+0:45
Finish
26.22 mi16:02:044:46:1310:5512:42
12:28
-2:19

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

9:06 /mi

Average Pace

10:55 /mi

Slowest Pace

14:47 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:05

65% of race

Time at Steady Pace

51:05

18% of race

Time at Slower Pace

48:03

17% of race

Average Pace: 10:55 /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 mi11:44:0828:179:0628:17
9:06
#20890
10K
6.21 mi12:15:4659:559:3931:38
10:11
#22742
15K
9.32 mi12:44:451:28:549:3228:59
9:20
#22420
20K
12.43 mi13:16:512:01:009:4432:06
10:20
#22767
Half
13.11 mi13:23:402:07:499:456:49
9:59
#22800
25K
15.53 mi13:48:452:32:549:5125:05
10:21
#22830
30K
18.64 mi14:22:563:07:0510:0234:11
11:00
#22863
20M
20.00 mi14:39:223:23:3110:1116:26
12:06
#23033
21M
21.00 mi14:52:173:36:2610:1812:55
12:55
#23109
35K
21.75 mi15:01:193:45:2810:229:02
12:04
#23185
23M
23.00 mi15:17:534:02:0210:3116:34
13:14
#23393
24M
24.00 mi15:32:164:16:2510:4114:23
14:23
#23647
40K
24.85 mi15:44:164:28:2510:4812:00
14:02
#23798
25.2M
25.20 mi15:49:224:33:3110:515:06
14:47
#23842
Finish
26.22 mi16:02:044:46:1310:5512:42
12:28
#23949
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi208908317831721741(Top 82%)8644(Top 76%)8644(Top 177%)
10K6.21 mi3.10 mi22742-18529223-9069223-90624090(Top 90%)9937(Top 87%)9937(Top 203%)
15K9.32 mi3.11 mi22420+3229054+1699054+16921741(Top 82%)8644(Top 76%)8644(Top 177%)
20K12.43 mi3.11 mi22767-3479222-1689222-16823536(Top 88%)9653(Top 85%)9653(Top 198%)
Half13.11 mi0.68 mi22800-339242-209242-2023274(Top 87%)9504(Top 83%)9504(Top 195%)
25K15.53 mi2.42 mi22830-309272-309272-3022925(Top 86%)9351(Top 82%)9351(Top 191%)
30K18.64 mi3.11 mi22863-339310-389310-3823101(Top 87%)9512(Top 83%)9512(Top 195%)
20M20.00 mi1.36 mi23033-1709416-1069416-10624320(Top 91%)10246(Top 90%)10246(Top 210%)
21M21.00 mi1.00 mi23109-769466-509466-5023997(Top 90%)10085(Top 88%)10085(Top 206%)
35K21.75 mi0.75 mi23185-769511-459511-4524751(Top 93%)10531(Top 92%)10531(Top 216%)
23M23.00 mi1.25 mi23393-2089627-1169627-11625305(Top 95%)10795(Top 95%)10795(Top 221%)
24M24.00 mi1.00 mi23647-2549766-1399766-13926213(Top 98%)11258(Top 99%)11258(Top 231%)
40K24.85 mi0.85 mi23798-1519854-889854-8825707(Top 97%)11027(Top 97%)11027(Top 226%)
25.2M25.20 mi0.35 mi23842-449883-299883-2925585(Top 96%)10968(Top 96%)10968(Top 225%)
Finish26.22 mi1.02 mi23949-1079955-729955-7225659(Top 96%)11008(Top 96%)11008(Top 225%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 82%
×21stories
+97ft-345ft

Overall

21741

Females

8644

F18-39

8644

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

24090

Females

9937

F18-39

9937

10K→15K

6.2 - 9.3 mi

Top 82%
×3stories
+67ft-78ft

Overall

21741

Females

8644

F18-39

8644

15K→20K

9.3 - 12.4 mi

Top 88%
×5stories
+106ft-86ft

Overall

23536

Females

9653

F18-39

9653

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

23274

Females

9504

F18-39

9504

Half→25K

13.1 - 15.5 mi

Top 86%
×4stories
+66ft-88ft

Overall

22925

Females

9351

F18-39

9351

25K→30K

15.5 - 18.6 mi

Top 87%
×9stories
+181ft-148ft

Overall

23101

Females

9512

F18-39

9512

30K→20M

18.6 - 20.0 mi

Top 91%
×5stories
+64ft-50ft

Overall

24320

Females

10246

F18-39

10246

20M→21M

20.0 - 21.0 mi

Top 90%
×8stories
+106ft-24ft

Overall

23997

Females

10085

F18-39

10085

21M→35K

21.0 - 21.8 mi

Top 93%
×7stories
+17ft-86ft

Overall

24751

Females

10531

F18-39

10531

35K→23M

21.8 - 23.0 mi

Top 95%
×5stories
+23ft-63ft

Overall

25305

Females

10795

F18-39

10795

23M→24M

23.0 - 24.0 mi

Top 98%
×6stories
+12ft-82ft

Overall

26213

Females

11258

F18-39

11258

24M→40K

24.0 - 24.9 mi

Top 97%
×1story
+6ft-20ft

Overall

25707

Females

11027

F18-39

11027

40K→25.2M

24.9 - 25.2 mi

Top 96%
×1story
+13ft-16ft

Overall

25585

Females

10968

F18-39

10968

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

25659

Females

11008

F18-39

11008

Passing Analysis

Category:
Athletes Passed
695
Passed By
3754
Net Change
-3059
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20890
5K → 10K61858-1852#20890#22742
10K → 15K35735+322#22742#22420
15K → 20K46393-347#22420#22767
20K → Half1851-33#22767#22800
Half → 25K73103-30#22800#22830
25K → 30K109142-33#22830#22863
30K → 20M25195-170#22863#23033
20M → 21M2399-76#23033#23109
21M → 35K1288-76#23109#23185
35K → 23M8216-208#23185#23393
23M → 24M3257-254#23393#23647
24M → 40K3154-151#23647#23798
40K → 25.2M549-44#23798#23842
25.2M → Finish7114-107#23842#23949
TOTALS6953754-3059
📊

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