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BOSTON MARATHON 2023

Holly Sinnott

Bib: 10369•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 37%
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
7:18/mi
22:42
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
46:09
↑ 79↓ 1380.4%
15K· 9.32 mi
7:37/mi
1:09:50
↑ 67↓ 78
20K· 12.43 mi
7:53/mi
1:34:21
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:39:30
↑ 19↓ 370.5%
25K· 15.53 mi
7:49/mi
1:58:28
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:23:55
↑ 181↓ 1480.2%
20M
8:18/mi
2:35:12
↑ 64↓ 500.2%
21M
8:32/mi
2:43:44
↑ 106↓ 241.6%
35K· 21.75 mi
7:30/mi
2:49:21
↑ 17↓ 861.7%
23M
8:03/mi
2:59:26
↑ 23↓ 630.6%
24M
7:57/mi
3:07:23
↓ 821.3%
40K· 24.85 mi
8:01/mi
3:14:14
↓ 200.3%
25.2M
8:33/mi
3:17:11
↑ 13↓ 160.2%
Finish· 26.22 mi
7:44/mi
3:25:04
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:30
Pace7:35 /mi
2nd Half
Distance13.11 mi
Time1:45:34
Pace8:03 /mi
📊Positive Split: 6.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:0222:427:1822:42
7:18
-
10K
6.21 mi11:17:2946:097:2623:27
7:33
+0:15
15K
9.32 mi11:41:101:09:507:3023:41
7:37
+0:04
20K
12.43 mi12:05:411:34:217:3624:31
7:53
+0:16
Half
13.11 mi12:10:501:39:307:355:09
7:33
-0:20
25K
15.53 mi12:29:481:58:287:3818:58
7:49
+0:16
30K
18.64 mi12:55:152:23:557:4325:27
8:11
+0:22
20M
20.00 mi13:06:322:35:127:4611:17
8:18
+0:07
21M
21.00 mi13:15:042:43:447:488:32
8:32
+0:14
35K
21.75 mi13:20:412:49:217:475:37
7:30
-1:02
23M
23.00 mi13:30:462:59:267:4810:05
8:03
+0:33
24M
24.00 mi13:38:433:07:237:487:57
7:57
-0:06
40K
24.85 mi13:45:343:14:147:496:51
8:01
+0:04
25.2M
25.20 mi13:48:313:17:117:492:57
8:33
+0:32
Finish
26.22 mi13:56:243:25:047:507:53
7:44
-0:49

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

7:18 /mi

Average Pace

7:50 /mi

Slowest Pace

8:33 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:46

72% of race

Time at Steady Pace

58:18

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:49 /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 mi10:54:0222:427:1822:42
7:18
#8153
10K
6.21 mi11:17:2946:097:2623:27
7:33
#9401
15K
9.32 mi11:41:101:09:507:3023:41
7:37
#9969
20K
12.43 mi12:05:411:34:217:3624:31
7:53
#10641
Half
13.11 mi12:10:501:39:307:355:09
7:33
#10641
25K
15.53 mi12:29:481:58:287:3818:58
7:49
#10706
30K
18.64 mi12:55:152:23:557:4325:27
8:11
#10927
20M
20.00 mi13:06:322:35:127:4611:17
8:18
#11021
21M
21.00 mi13:15:042:43:447:488:32
8:32
#10977
35K
21.75 mi13:20:412:49:217:475:37
7:30
#10874
23M
23.00 mi13:30:462:59:267:4810:05
8:03
#10812
24M
24.00 mi13:38:433:07:237:487:57
7:57
#10800
40K
24.85 mi13:45:343:14:147:496:51
8:01
#10754
25.2M
25.20 mi13:48:313:17:117:492:57
8:33
#10722
Finish
26.22 mi13:56:243:25:047:507:53
7:44
#10673
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi81531069106911213(Top 42%)2468(Top 22%)2468(Top 51%)
10K6.21 mi3.10 mi9401-12481574-5051574-50510872(Top 41%)2246(Top 20%)2246(Top 46%)
15K9.32 mi3.11 mi9969-5681814-2401814-24011213(Top 42%)2468(Top 22%)2468(Top 51%)
20K12.43 mi3.11 mi10641-6722149-3352149-33512546(Top 47%)3277(Top 29%)3277(Top 67%)
Half13.11 mi0.68 mi106412150-12150-110685(Top 40%)2223(Top 19%)2223(Top 46%)
25K15.53 mi2.42 mi10706-652203-532203-5311297(Top 42%)2653(Top 23%)2653(Top 54%)
30K18.64 mi3.11 mi10927-2212360-1572360-15712288(Top 46%)3349(Top 29%)3349(Top 69%)
20M20.00 mi1.36 mi11021-942446-862446-8612386(Top 47%)3504(Top 31%)3504(Top 72%)
21M21.00 mi1.00 mi10977+442448-22448-210688(Top 40%)2714(Top 24%)2714(Top 56%)
35K21.75 mi0.75 mi10874+1032410+382410+388640(Top 32%)1759(Top 15%)1759(Top 36%)
23M23.00 mi1.25 mi10812+622409+12409+110147(Top 38%)2574(Top 23%)2574(Top 53%)
24M24.00 mi1.00 mi10800+122424-152424-1510902(Top 41%)3033(Top 27%)3033(Top 62%)
40K24.85 mi0.85 mi10754+462426-22426-210154(Top 38%)2726(Top 24%)2726(Top 56%)
25.2M25.20 mi0.35 mi10722+322423+32423+39925(Top 37%)2641(Top 23%)2641(Top 54%)
Finish26.22 mi1.02 mi10673+492426-32426-310224(Top 38%)2801(Top 25%)2801(Top 57%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 42%
×21story building
+97ft-345ft

Overall

11213

Females

2468

F18-39

2468

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10872

Females

2246

F18-39

2246

10K→15K

6.2 - 9.3 mi

Top 42%
×3story building
+67ft-78ft

Overall

11213

Females

2468

F18-39

2468

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12546

Females

3277

F18-39

3277

20K→Half

12.4 - 13.1 mi

Top 40%
×2story building
+19ft-37ft

Overall

10685

Females

2223

F18-39

2223

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11297

Females

2653

F18-39

2653

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

12288

Females

3349

F18-39

3349

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

12386

Females

3504

F18-39

3504

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10688

Females

2714

F18-39

2714

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8640

Females

1759

F18-39

1759

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10147

Females

2574

F18-39

2574

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10902

Females

3033

F18-39

3033

24M→40K

24.0 - 24.9 mi

Top 38%
×1story
+6ft-20ft

Overall

10154

Females

2726

F18-39

2726

40K→25.2M

24.9 - 25.2 mi

Top 37%
×1story
+13ft-16ft

Overall

9925

Females

2641

F18-39

2641

25.2M→Finish

25.2 - 26.2 mi

Top 38%
×2story building
+22ft-21ft

Overall

10224

Females

2801

F18-39

2801

Passing Analysis

Category:
Athletes Passed
1045*
Passed By
3563
Net Change
-2520
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8153
5K → 10K221270-1248#8153#9401
10K → 15K50617-568#9401#9969
15K → 20K31702-672#9969#10641
20K → Half31310#10641#10641
Half → 25K102167-65#10641#10706
25K → 30K122343-221#10706#10927
30K → 20M58*152-94#10927#11021
20M → 21M9753+44#11021#10977
21M → 35K1118+103#10977#10874
35K → 23M11351+62#10874#10812
23M → 24M7664+12#10812#10800
24M → 40K9448+46#10800#10754
40K → 25.2M4412+32#10754#10722
25.2M → Finish9445+49#10722#10673
TOTALS1045*3563-2520

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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