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BOSTON MARATHON 2023

Sydney Howland

Bib: 27508•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
32:13
Rank: #24407
Start → 5K
32:13 | 10:22/mi
10K· 6.21 mi
1:02:57
Rank: #23915 (+492)
5K → 10K
30:44 | 9:54/mi
15K· 9.32 mi
1:34:09
Rank: #23808 (+107)
10K → 15K
31:12 | 10:03/mi
20K· 12.43 mi
2:03:46
Rank: #23340 (+468)
15K → 20K
29:37 | 9:32/mi
Half· 13.11 mi
2:10:20
Rank: #23293 (+47)
20K → Half
6:34 | 9:37/mi
25K· 15.53 mi
2:33:19
Rank: #22895 (+398)
Half → 25K
22:59 | 9:29/mi
30K· 18.64 mi
3:03:53
Rank: #22475 (+420)
25K → 30K
30:34 | 9:50/mi
20M
3:17:38
Rank: #22361 (+114)
30K → 20M
13:45 | 10:07/mi
21M
3:28:21
Rank: #22220 (+141)
20M → 21M
10:43 | 10:43/mi
35K· 21.75 mi
3:35:36
Rank: #22159 (+61)
21M → 35K
7:15 | 9:41/mi
23M
3:48:09
Rank: #22055 (+104)
35K → 23M
12:33 | 10:01/mi
24M
3:58:14
Rank: #22006 (+49)
23M → 24M
10:05 | 10:05/mi
40K· 24.85 mi
4:06:50
Rank: #21941 (+65)
24M → 40K
8:36 | 10:04/mi
25.2M
4:10:34
Rank: #21919 (+22)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
4:20:19
Rank: #21870 (+49)
25.2M → Finish
9:45 | 9:34/mi

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:10:20
Pace9:57 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:09:59
Pace9:55 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:49:2932:1310:2232:13
10:22
-
10K
6.21 mi12:20:131:02:5710:0830:44
9:54
-0:28
15K
9.32 mi12:51:251:34:0910:0631:12
10:03
+0:09
20K
12.43 mi13:21:022:03:469:5829:37
9:32
-0:31
Half
13.11 mi13:27:362:10:209:576:34
9:37
+0:05
25K
15.53 mi13:50:352:33:199:5222:59
9:29
-0:08
30K
18.64 mi14:21:093:03:539:5230:34
9:50
+0:21
20M
20.00 mi14:34:543:17:389:5313:45
10:07
+0:17
21M
21.00 mi14:45:373:28:219:5510:43
10:43
+0:36
35K
21.75 mi14:52:523:35:369:557:15
9:41
-1:02
23M
23.00 mi15:05:253:48:099:5512:33
10:01
+0:20
24M
24.00 mi15:15:303:58:149:5610:05
10:05
+0:04
40K
24.85 mi15:24:064:06:509:568:36
10:04
-0:01
25.2M
25.20 mi15:27:504:10:349:573:44
10:50
+0:46
Finish
26.22 mi15:37:354:20:199:569:45
9:34
-1:16

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

9:29 /mi

Average Pace

9:56 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:05:52

94% of race

Time at Steady Pace

14:27

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 9:56 /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 mi11:49:2932:1310:2232:13
10:22
#24407
10K
6.21 mi12:20:131:02:5710:0830:44
9:54
#23915
15K
9.32 mi12:51:251:34:0910:0631:12
10:03
#23808
20K
12.43 mi13:21:022:03:469:5829:37
9:32
#23340
Half
13.11 mi13:27:362:10:209:576:34
9:37
#23293
25K
15.53 mi13:50:352:33:199:5222:59
9:29
#22895
30K
18.64 mi14:21:093:03:539:5230:34
9:50
#22475
20M
20.00 mi14:34:543:17:389:5313:45
10:07
#22361
21M
21.00 mi14:45:373:28:219:5510:43
10:43
#22220
35K
21.75 mi14:52:523:35:369:557:15
9:41
#22159
23M
23.00 mi15:05:253:48:099:5512:33
10:01
#22055
24M
24.00 mi15:15:303:58:149:5610:05
10:05
#22006
40K
24.85 mi15:24:064:06:509:568:36
10:04
#21941
25.2M
25.20 mi15:27:504:10:349:573:44
10:50
#21919
Finish
26.22 mi15:37:354:20:199:569:45
9:34
#21870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi24407101021010223576(Top 89%)9651(Top 84%)9651(Top 198%)
10K6.21 mi3.10 mi23915+4929848+2549848+25423465(Top 88%)9602(Top 84%)9602(Top 197%)
15K9.32 mi3.11 mi23808+1079787+619787+6123576(Top 89%)9651(Top 84%)9651(Top 198%)
20K12.43 mi3.11 mi23340+4689528+2599528+25921664(Top 81%)8607(Top 75%)8607(Top 176%)
Half13.11 mi0.68 mi23293+479505+239505+2322463(Top 84%)9048(Top 79%)9048(Top 185%)
25K15.53 mi2.42 mi22895+3989306+1999306+19920783(Top 78%)8159(Top 71%)8159(Top 167%)
30K18.64 mi3.11 mi22475+4209110+1969110+19620574(Top 77%)8098(Top 71%)8098(Top 166%)
20M20.00 mi1.36 mi22361+1149048+629048+6220808(Top 78%)8306(Top 73%)8306(Top 170%)
21M21.00 mi1.00 mi22220+1418980+688980+6820197(Top 76%)8034(Top 70%)8034(Top 164%)
35K21.75 mi0.75 mi22159+618954+268954+2620472(Top 77%)8214(Top 72%)8214(Top 168%)
23M23.00 mi1.25 mi22055+1048902+528902+5220074(Top 75%)8001(Top 70%)8001(Top 164%)
24M24.00 mi1.00 mi22006+498882+208882+2021040(Top 79%)8570(Top 75%)8570(Top 175%)
40K24.85 mi0.85 mi21941+658860+228860+2220153(Top 76%)8143(Top 71%)8143(Top 167%)
25.2M25.20 mi0.35 mi21919+228854+68854+620086(Top 75%)8117(Top 71%)8117(Top 166%)
Finish26.22 mi1.02 mi21870+498839+158839+1520380(Top 77%)8237(Top 72%)8237(Top 169%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21stories
+97ft-345ft

Overall

23576

Females

9651

F18-39

9651

5K→10K

3.1 - 6.2 mi

Top 88%
×5stories
+79ft-138ft

Overall

23465

Females

9602

F18-39

9602

10K→15K

6.2 - 9.3 mi

Top 89%
×3stories
+67ft-78ft

Overall

23576

Females

9651

F18-39

9651

15K→20K

9.3 - 12.4 mi

Top 81%
×5stories
+106ft-86ft

Overall

21664

Females

8607

F18-39

8607

20K→Half

12.4 - 13.1 mi

Top 84%
×2stories
+19ft-37ft

Overall

22463

Females

9048

F18-39

9048

Half→25K

13.1 - 15.5 mi

Top 78%
×4stories
+66ft-88ft

Overall

20783

Females

8159

F18-39

8159

25K→30K

15.5 - 18.6 mi

Top 77%
×9stories
+181ft-148ft

Overall

20574

Females

8098

F18-39

8098

30K→20M

18.6 - 20.0 mi

Top 78%
×5stories
+64ft-50ft

Overall

20808

Females

8306

F18-39

8306

20M→21M

20.0 - 21.0 mi

Top 76%
×8stories
+106ft-24ft

Overall

20197

Females

8034

F18-39

8034

21M→35K

21.0 - 21.8 mi

Top 77%
×7stories
+17ft-86ft

Overall

20472

Females

8214

F18-39

8214

35K→23M

21.8 - 23.0 mi

Top 75%
×5stories
+23ft-63ft

Overall

20074

Females

8001

F18-39

8001

23M→24M

23.0 - 24.0 mi

Top 79%
×6stories
+12ft-82ft

Overall

21040

Females

8570

F18-39

8570

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20153

Females

8143

F18-39

8143

40K→25.2M

24.9 - 25.2 mi

Top 75%
×1story
+13ft-16ft

Overall

20086

Females

8117

F18-39

8117

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2stories
+22ft-21ft

Overall

20380

Females

8237

F18-39

8237

Passing Analysis

Category:
Athletes Passed
2737
Passed By
200
Net Change
+2537
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24407
5K → 10K53745+492#24407#23915
10K → 15K16659+107#23915#23808
15K → 20K4691+468#23808#23340
20K → Half492+47#23340#23293
Half → 25K3991+398#23293#22895
25K → 30K4277+420#22895#22475
30K → 20M12814+114#22475#22361
20M → 21M1498+141#22361#22220
21M → 35K687+61#22220#22159
35K → 23M1106+104#22159#22055
23M → 24M6819+49#22055#22006
24M → 40K727+65#22006#21941
40K → 25.2M308+22#21941#21919
25.2M → Finish6516+49#21919#21870
TOTALS2737200+2537
📊

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