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BOSTON MARATHON 2023

Sydney Aten

MA

Bib: 26184 F

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

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:36/mi
26:43
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:08/mi
51:58
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:14/mi
1:17:34
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:29/mi
1:43:56
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:21/mi
1:49:38
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:34/mi
2:10:25
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:55/mi
2:38:06
↑ 181↓ 1480.2%
138 ft elev
20M
8:59/mi
2:50:18
↑ 64↓ 500.2%
148 ft elev
21M
9:33/mi
2:59:51
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:28/mi
3:06:11
↑ 17↓ 861.7%
156 ft elev
23M
9:02/mi
3:17:30
↑ 23↓ 630.6%
116 ft elev
24M
8:57/mi
3:26:27
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:14/mi
3:34:21
↓ 200.3%
20 ft elev
25.2M
10:12/mi
3:37:52
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:47/mi
3:46:49
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:49:388:22 /mi⚡ faster
2nd Half
1:57:118:56 /mi+6.9%
Positive split — 6.9% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
26:438:363.11 mi26:43
8:36
-
10K
51:588:223.10 mi25:15
8:08
-0:28
15K
1:17:348:193.11 mi25:36
8:14
+0:06
20K
1:43:568:223.11 mi26:22
8:29
+0:15
Half(13.11 mi)
1:49:388:220.68 mi5:42
8:21
-0:08
25K
2:10:258:242.42 mi20:47
8:34
+0:13
30K
2:38:068:293.11 mi27:41
8:55
+0:21
20M
2:50:188:311.36 mi12:12
8:59
+0:04
21M
2:59:518:341.00 mi9:33
9:33
+0:34
35K
3:06:118:340.75 mi6:20
8:28
-1:05
23M
3:17:308:351.25 mi11:19
9:02
+0:34
24M
3:26:278:361.00 mi8:57
8:57
-0:05
40K
3:34:218:370.85 mi7:54
9:14
+0:17
25.2M
3:37:528:390.35 mi3:31
10:12
+0:58
Finish(26.22 mi)
3:46:498:391.02 mi8:57
8:47
-1:25
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:08 /mi

Average Pace

8:39 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:29:15

39% of race

Time at Steady Pace

1:56:36

51% of race

Time at Slower Pace

20:58

9% of race

Average Pace: 8:39 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi18234669866981615453875387
10K3.10 mi16948+12865882+8165882+8161573851055105
15K3.11 mi16680+2685717+1655717+1651615453875387
20K3.11 mi16725-455753-365753-361677658025802
Half(13.11 mi)0.68 mi16716+95756-35756-31688558315831
25K2.42 mi16708+85773-175773-171664958055805
30K3.11 mi16658+505781-85781-81670958945894
20M1.36 mi16636+225776+55776+51643658315831
21M1.00 mi16577+595754+225754+221622457525752
35K0.75 mi16526+515732+225732+221516352145214
23M1.25 mi16510+165737-55737-51626158885888
24M1.00 mi16524-145762-255762-251700863586358
40K0.85 mi16547-235792-305792-301728365556555
25.2M0.35 mi16574-275813-215813-211813670167016
Finish(26.22 mi)1.02 mi16573+15824-115824-111696263496349

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16154

Females

5387

F18-39

5387

5K→10K

3.1 - 6.2 mi

Top 59%
×5story building
+79ft-138ft

Overall

15738

Females

5105

F18-39

5105

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16154

Females

5387

F18-39

5387

15K→20K

9.3 - 12.4 mi

Top 63%
×5story building
+106ft-86ft

Overall

16776

Females

5802

F18-39

5802

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16885

Females

5831

F18-39

5831

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

16649

Females

5805

F18-39

5805

25K→30K

15.5 - 18.6 mi

Top 63%
×9story building
+181ft-148ft

Overall

16709

Females

5894

F18-39

5894

30K→20M

18.6 - 20.0 mi

Top 62%
×5story building
+64ft-50ft

Overall

16436

Females

5831

F18-39

5831

20M→21M

20.0 - 21.0 mi

Top 61%
×8story building
+106ft-24ft

Overall

16224

Females

5752

F18-39

5752

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15163

Females

5214

F18-39

5214

35K→23M

21.8 - 23.0 mi

Top 61%
×5story building
+23ft-63ft

Overall

16261

Females

5888

F18-39

5888

23M→24M

23.0 - 24.0 mi

Top 64%
×6story building
+12ft-82ft

Overall

17008

Females

6358

F18-39

6358

24M→40K

24.0 - 24.9 mi

Top 65%
×1story
+6ft-20ft

Overall

17283

Females

6555

F18-39

6555

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

18136

Females

7016

F18-39

7016

25.2M→Finish

25.2 - 26.2 mi

Top 64%
×2story building
+22ft-21ft

Overall

16962

Females

6349

F18-39

6349

Passing Analysis

Category:
Passed
2782
Passed By
1121
Net Change
+1661
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18234
5K → 10K133650+1286#18234#16948
10K → 15K36496+268#16948#16680
15K → 20K154199-45#16680#16725
20K → Half3324+9#16725#16716
Half → 25K134126+8#16716#16708
25K → 30K196146+50#16708#16658
30K → 20M9674+22#16658#16636
20M → 21M12061+59#16636#16577
21M → 35K7221+51#16577#16526
35K → 23M9377+16#16526#16510
23M → 24M5569-14#16510#16524
24M → 40K5376-23#16524#16547
40K → 25.2M2451-27#16547#16574
25.2M → Finish5251+1#16574#16573
TOTALS27821121+1661

Passing Charts

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