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BOSTON MARATHON 2023

Sayaka Arnold

Bib: 10681•F

OH

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0:00
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Overall
#0 / 26622
Top 28%
Gender (Female)
#0 / 11423
Top 10%
Division (F18-39)
#0 / 4884
Top 18%
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
7:16/mi
22:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:08/mi
44:46
↑ 79↓ 1380.4%
15K· 9.32 mi
7:05/mi
1:06:45
↑ 67↓ 78
20K· 12.43 mi
7:12/mi
1:29:07
↑ 106↓ 860.1%
Half· 13.11 mi
7:12/mi
1:34:02
↑ 19↓ 370.5%
25K· 15.53 mi
7:24/mi
1:51:58
↑ 66↓ 880.2%
30K· 18.64 mi
7:41/mi
2:15:51
↑ 181↓ 1480.2%
20M
7:48/mi
2:26:27
↑ 64↓ 500.2%
21M
8:15/mi
2:34:42
↑ 106↓ 241.6%
35K· 21.75 mi
7:37/mi
2:40:24
↑ 17↓ 861.7%
23M
7:50/mi
2:50:13
↑ 23↓ 630.6%
24M
7:31/mi
2:57:44
↓ 821.3%
40K· 24.85 mi
7:49/mi
3:04:25
↓ 200.3%
25.2M
8:01/mi
3:07:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:03/mi
3:14:22
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:02
Pace7:10 /mi
2nd Half
Distance13.11 mi
Time1:40:20
Pace7:39 /mi
📊Positive Split: 6.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:48:5722:367:1622:36
7:16
-
10K
6.21 mi11:11:0744:467:1222:10
7:08
-0:08
15K
9.32 mi11:33:061:06:457:1021:59
7:05
-0:03
20K
12.43 mi11:55:281:29:077:1022:22
7:12
+0:07
Half
13.11 mi12:00:231:34:027:104:55
7:12
0:00
25K
15.53 mi12:18:191:51:587:1217:56
7:24
+0:12
30K
18.64 mi12:42:122:15:517:1723:53
7:41
+0:17
20M
20.00 mi12:52:482:26:277:1910:36
7:48
+0:07
21M
21.00 mi13:01:032:34:427:228:15
8:15
+0:27
35K
21.75 mi13:06:452:40:247:235:42
7:37
-0:38
23M
23.00 mi13:16:342:50:137:249:49
7:50
+0:13
24M
24.00 mi13:24:052:57:447:247:31
7:31
-0:19
40K
24.85 mi13:30:463:04:257:256:41
7:49
+0:18
25.2M
25.20 mi13:33:323:07:117:262:46
8:01
+0:12
Finish
26.22 mi13:40:433:14:227:257:11
7:03
-0:58

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

7:03 /mi

Average Pace

7:25 /mi

Slowest Pace

8:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:36:15

80% of race

Time at Steady Pace

38:07

20% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:25 /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 mi10:48:5722:367:1622:36
7:16
#7964
10K
6.21 mi11:11:0744:467:1222:10
7:08
#7805
15K
9.32 mi11:33:061:06:457:1021:59
7:05
#7506
20K
12.43 mi11:55:281:29:077:1022:22
7:12
#7356
Half
13.11 mi12:00:231:34:027:104:55
7:12
#7368
25K
15.53 mi12:18:191:51:587:1217:56
7:24
#7417
30K
18.64 mi12:42:122:15:517:1723:53
7:41
#7556
20M
20.00 mi12:52:482:26:277:1910:36
7:48
#7610
21M
21.00 mi13:01:032:34:427:228:15
8:15
#7639
35K
21.75 mi13:06:452:40:247:235:42
7:37
#7671
23M
23.00 mi13:16:342:50:137:249:49
7:50
#7691
24M
24.00 mi13:24:052:57:447:247:31
7:31
#7669
40K
24.85 mi13:30:463:04:257:256:41
7:49
#7703
25.2M
25.20 mi13:33:323:07:117:262:46
8:01
#7670
Finish
26.22 mi13:40:433:14:227:257:11
7:03
#7551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi7964100310037015(Top 26%)753(Top 7%)753(Top 15%)
10K6.21 mi3.10 mi7805+159952+51952+517671(Top 29%)949(Top 8%)949(Top 19%)
15K9.32 mi3.11 mi7506+299872+80872+807015(Top 26%)753(Top 7%)753(Top 15%)
20K12.43 mi3.11 mi7356+150839+33839+337107(Top 27%)811(Top 7%)811(Top 17%)
Half13.11 mi0.68 mi7368-12844-5844-57972(Top 30%)1081(Top 9%)1081(Top 22%)
25K15.53 mi2.42 mi7417-49868-24868-248009(Top 30%)1189(Top 10%)1189(Top 24%)
30K18.64 mi3.11 mi7556-139953-85953-858549(Top 32%)1524(Top 13%)1524(Top 31%)
20M20.00 mi1.36 mi7610-54995-42995-428867(Top 33%)1734(Top 15%)1734(Top 36%)
21M21.00 mi1.00 mi7639-291020-251020-258922(Top 34%)1884(Top 16%)1884(Top 39%)
35K21.75 mi0.75 mi7671-321036-161036-169413(Top 35%)2090(Top 18%)2090(Top 43%)
23M23.00 mi1.25 mi7691-201061-251061-258690(Top 33%)1873(Top 16%)1873(Top 38%)
24M24.00 mi1.00 mi7669+221075-141075-147833(Top 29%)1608(Top 14%)1608(Top 33%)
40K24.85 mi0.85 mi7703-341114-391114-398799(Top 33%)2076(Top 18%)2076(Top 43%)
25.2M25.20 mi0.35 mi7670+331110+41110+46706(Top 25%)1292(Top 11%)1292(Top 26%)
Finish26.22 mi1.02 mi7551+1191093+171093+175549(Top 21%)928(Top 8%)928(Top 19%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21story building
+97ft-345ft

Overall

7015

Females

753

F18-39

753

5K→10K

3.1 - 6.2 mi

Top 29%
×5story building
+79ft-138ft

Overall

7671

Females

949

F18-39

949

10K→15K

6.2 - 9.3 mi

Top 26%
×3story building
+67ft-78ft

Overall

7015

Females

753

F18-39

753

15K→20K

9.3 - 12.4 mi

Top 27%
×5story building
+106ft-86ft

Overall

7107

Females

811

F18-39

811

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

7972

Females

1081

F18-39

1081

Half→25K

13.1 - 15.5 mi

Top 30%
×4story building
+66ft-88ft

Overall

8009

Females

1189

F18-39

1189

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8549

Females

1524

F18-39

1524

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8867

Females

1734

F18-39

1734

20M→21M

20.0 - 21.0 mi

Top 34%
×8story building
+106ft-24ft

Overall

8922

Females

1884

F18-39

1884

21M→35K

21.0 - 21.8 mi

Top 35%
×7story building
+17ft-86ft

Overall

9413

Females

2090

F18-39

2090

35K→23M

21.8 - 23.0 mi

Top 33%
×5story building
+23ft-63ft

Overall

8690

Females

1873

F18-39

1873

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

7833

Females

1608

F18-39

1608

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

8799

Females

2076

F18-39

2076

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

6706

Females

1292

F18-39

1292

25.2M→Finish

25.2 - 26.2 mi

Top 21%
×2story building
+22ft-21ft

Overall

5549

Females

928

F18-39

928

Passing Analysis

Category:
Athletes Passed
1535
Passed By
1122
Net Change
+413
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7964
5K → 10K321162+159#7964#7805
10K → 15K33334+299#7805#7506
15K → 20K19343+150#7506#7356
20K → Half2133-12#7356#7368
Half → 25K63112-49#7368#7417
25K → 30K92231-139#7417#7556
30K → 20M56110-54#7556#7610
20M → 21M5079-29#7610#7639
21M → 35K2860-32#7639#7671
35K → 23M7494-20#7671#7691
23M → 24M7755+22#7691#7669
24M → 40K5084-34#7669#7703
40K → 25.2M4613+33#7703#7670
25.2M → Finish13112+119#7670#7551
TOTALS15351122+413
📊

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