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BOSTON MARATHON 2023

Sarah Bunker

Bib: 16175•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 30%
Gender (Female)
#0 / 11423
Top 11%
Division (F18-39)
#0 / 4884
Top 21%
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
7:25/mi
23:02
↑ 97↓ 3451.5%
10K· 6.21 mi
7:17/mi
45:40
↑ 79↓ 1380.4%
15K· 9.32 mi
7:18/mi
1:08:21
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:31:52
↑ 106↓ 860.1%
Half· 13.11 mi
7:37/mi
1:37:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:40/mi
1:55:39
↑ 66↓ 880.2%
30K· 18.64 mi
7:29/mi
2:18:53
↑ 181↓ 1480.2%
20M
7:36/mi
2:29:13
↑ 64↓ 500.2%
21M
7:54/mi
2:37:07
↑ 106↓ 241.6%
35K· 21.75 mi
7:17/mi
2:42:34
↑ 17↓ 861.7%
23M
7:37/mi
2:52:06
↑ 23↓ 630.6%
24M
7:20/mi
2:59:26
↓ 821.3%
40K· 24.85 mi
7:34/mi
3:05:54
↓ 200.3%
25.2M
7:56/mi
3:08:38
↑ 13↓ 160.2%
Finish· 26.22 mi
7:30/mi
3:16:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:04
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:39:13
Pace7:34 /mi
📊Positive Split: 2.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:13:1023:027:2523:02
7:25
-
10K
6.21 mi11:35:4845:407:2122:38
7:17
-0:08
15K
9.32 mi11:58:291:08:217:2022:41
7:18
+0:01
20K
12.43 mi12:22:001:31:527:2423:31
7:34
+0:16
Half
13.11 mi12:27:121:37:047:245:12
7:37
+0:03
25K
15.53 mi12:45:471:55:397:2718:35
7:40
+0:03
30K
18.64 mi13:09:012:18:537:2723:14
7:29
-0:11
20M
20.00 mi13:19:212:29:137:2810:20
7:36
+0:07
21M
21.00 mi13:27:152:37:077:297:54
7:54
+0:18
35K
21.75 mi13:32:422:42:347:295:27
7:17
-0:37
23M
23.00 mi13:42:142:52:067:299:32
7:37
+0:20
24M
24.00 mi13:49:342:59:267:297:20
7:20
-0:17
40K
24.85 mi13:56:023:05:547:296:28
7:34
+0:14
25.2M
25.20 mi13:58:463:08:387:292:44
7:56
+0:22
Finish
26.22 mi14:06:253:16:177:307:39
7:30
-0:26

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

7:17 /mi

Average Pace

7:30 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:04

85% of race

Time at Steady Pace

29:13

15% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:29 /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 mi11:13:1023:027:2523:02
7:25
#8933
10K
6.21 mi11:35:4845:407:2122:38
7:17
#8811
15K
9.32 mi11:58:291:08:217:2022:41
7:18
#8717
20K
12.43 mi12:22:001:31:527:2423:31
7:34
#8942
Half
13.11 mi12:27:121:37:047:245:12
7:37
#9053
25K
15.53 mi12:45:471:55:397:2718:35
7:40
#9172
30K
18.64 mi13:09:012:18:537:2723:14
7:29
#8752
20M
20.00 mi13:19:212:29:137:2810:20
7:36
#8643
21M
21.00 mi13:27:152:37:077:297:54
7:54
#8522
35K
21.75 mi13:32:422:42:347:295:27
7:17
#8459
23M
23.00 mi13:42:142:52:067:299:32
7:37
#8336
24M
24.00 mi13:49:342:59:267:297:20
7:20
#8217
40K
24.85 mi13:56:023:05:547:296:28
7:34
#8163
25.2M
25.20 mi13:58:463:08:387:292:44
7:56
#8100
Finish
26.22 mi14:06:253:16:177:307:39
7:30
#8103
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8933137113718565(Top 32%)1270(Top 11%)1270(Top 26%)
10K6.21 mi3.10 mi8811+1221331+401331+408771(Top 33%)1325(Top 12%)1325(Top 27%)
15K9.32 mi3.11 mi8717+941314+171314+178565(Top 32%)1270(Top 11%)1270(Top 26%)
20K12.43 mi3.11 mi8942-2251418-1041418-1049850(Top 37%)1841(Top 16%)1841(Top 38%)
Half13.11 mi0.68 mi9053-1111465-471465-4711221(Top 42%)2452(Top 21%)2452(Top 50%)
25K15.53 mi2.42 mi9172-1191508-431508-4310037(Top 38%)2013(Top 18%)2013(Top 41%)
30K18.64 mi3.11 mi8752+4201390+1181390+1187083(Top 27%)953(Top 8%)953(Top 20%)
20M20.00 mi1.36 mi8643+1091368+221368+227545(Top 28%)1233(Top 11%)1233(Top 25%)
21M21.00 mi1.00 mi8522+1211346+221346+226763(Top 25%)1044(Top 9%)1044(Top 21%)
35K21.75 mi0.75 mi8459+631332+141332+147076(Top 27%)1129(Top 10%)1129(Top 23%)
23M23.00 mi1.25 mi8336+1231306+261306+267208(Top 27%)1250(Top 11%)1250(Top 26%)
24M24.00 mi1.00 mi8217+1191286+201286+206652(Top 25%)1134(Top 10%)1134(Top 23%)
40K24.85 mi0.85 mi8163+541289-31289-37129(Top 27%)1416(Top 12%)1416(Top 29%)
25.2M25.20 mi0.35 mi8100+631270+191270+196166(Top 23%)1116(Top 10%)1116(Top 23%)
Finish26.22 mi1.02 mi8103-31293-231293-238618(Top 32%)2068(Top 18%)2068(Top 42%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

8565

Females

1270

F18-39

1270

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8771

Females

1325

F18-39

1325

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

8565

Females

1270

F18-39

1270

15K→20K

9.3 - 12.4 mi

Top 37%
×5story building
+106ft-86ft

Overall

9850

Females

1841

F18-39

1841

20K→Half

12.4 - 13.1 mi

Top 42%
×2story building
+19ft-37ft

Overall

11221

Females

2452

F18-39

2452

Half→25K

13.1 - 15.5 mi

Top 38%
×4story building
+66ft-88ft

Overall

10037

Females

2013

F18-39

2013

25K→30K

15.5 - 18.6 mi

Top 27%
×9story building
+181ft-148ft

Overall

7083

Females

953

F18-39

953

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7545

Females

1233

F18-39

1233

20M→21M

20.0 - 21.0 mi

Top 25%
×8story building
+106ft-24ft

Overall

6763

Females

1044

F18-39

1044

21M→35K

21.0 - 21.8 mi

Top 27%
×7story building
+17ft-86ft

Overall

7076

Females

1129

F18-39

1129

35K→23M

21.8 - 23.0 mi

Top 27%
×5story building
+23ft-63ft

Overall

7208

Females

1250

F18-39

1250

23M→24M

23.0 - 24.0 mi

Top 25%
×6story building
+12ft-82ft

Overall

6652

Females

1134

F18-39

1134

24M→40K

24.0 - 24.9 mi

Top 27%
×1story
+6ft-20ft

Overall

7129

Females

1416

F18-39

1416

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

6166

Females

1116

F18-39

1116

25.2M→Finish

25.2 - 26.2 mi

Top 32%
×2story building
+22ft-21ft

Overall

8618

Females

2068

F18-39

2068

Passing Analysis

Category:
Athletes Passed
1956
Passed By
1126
Net Change
+830
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8933
5K → 10K328206+122#8933#8811
10K → 15K19298+94#8811#8717
15K → 20K70295-225#8717#8942
20K → Half6117-111#8942#9053
Half → 25K80199-119#9053#9172
25K → 30K44121+420#9172#8752
30K → 20M13223+109#8752#8643
20M → 21M14423+121#8643#8522
21M → 35K7411+63#8522#8459
35K → 23M14623+123#8459#8336
23M → 24M12910+119#8336#8217
24M → 40K8834+54#8217#8163
40K → 25.2M674+63#8163#8100
25.2M → Finish5962-3#8100#8103
TOTALS19561126+830
📊

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