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BOSTON MARATHON 2023

Sarah Keesling

MI

Bib: 16822 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 48%
Gender (Female)
#0 / 11423
Top 31%
Division (F18-39)
#0 / 4884
Top 49%
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
7:50/mi
24:19
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:44/mi
48:22
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:51/mi
1:12:45
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:06/mi
1:37:54
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:53/mi
1:43:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:11/mi
2:03:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:29/mi
2:29:28
↑ 181↓ 1480.2%
138 ft elev
20M
8:25/mi
2:40:54
↑ 64↓ 500.2%
148 ft elev
21M
8:46/mi
2:49:40
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:49/mi
2:55:31
↑ 17↓ 861.7%
156 ft elev
23M
8:22/mi
3:05:59
↑ 23↓ 630.6%
116 ft elev
24M
8:05/mi
3:14:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:04/mi
3:20:58
↓ 200.3%
20 ft elev
25.2M
8:22/mi
3:23:51
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:33/mi
3:31:33
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:17
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:48:16
Pace8:16 /mi
📊Positive Split: 4.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4924:197:5024:19
7:50
-
10K
6.21 mi11:41:5248:227:4724:03
7:44
-0:06
15K
9.32 mi12:06:151:12:457:4824:23
7:51
+0:07
20K
12.43 mi12:31:241:37:547:5325:09
8:06
+0:15
Half
13.11 mi12:36:471:43:177:535:23
7:53
-0:13
25K
15.53 mi12:56:382:03:087:5619:51
8:11
+0:18
30K
18.64 mi13:22:582:29:288:0126:20
8:29
+0:18
20M
20.00 mi13:34:242:40:548:0311:26
8:25
-0:04
21M
21.00 mi13:43:102:49:408:058:46
8:46
+0:21
35K
21.75 mi13:49:012:55:318:045:51
7:49
-0:57
23M
23.00 mi13:59:293:05:598:0510:28
8:22
+0:33
24M
24.00 mi14:07:343:14:048:058:05
8:05
-0:17
40K
24.85 mi14:14:283:20:588:056:54
8:04
-0:01
25.2M
25.20 mi14:17:213:23:518:052:53
8:22
+0:18
Finish
26.22 mi14:25:033:31:338:047:42
7:33
-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

7:33 /mi

Average Pace

8:04 /mi

Slowest Pace

8:46 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:31:40

72% of race

Time at Steady Pace

59:53

28% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:04 /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 mi11:17:4924:197:5024:19
7:50
#12634
10K
6.21 mi11:41:5248:227:4724:03
7:44
#12556
15K
9.32 mi12:06:151:12:457:4824:23
7:51
#12740
20K
12.43 mi12:31:241:37:547:5325:09
8:06
#13110
Half
13.11 mi12:36:471:43:177:535:23
7:53
#13118
25K
15.53 mi12:56:382:03:087:5619:51
8:11
#13285
30K
18.64 mi13:22:582:29:288:0126:20
8:29
#13433
20M
20.00 mi13:34:242:40:548:0311:26
8:25
#13380
21M
21.00 mi13:43:102:49:408:058:46
8:46
#13292
35K
21.75 mi13:49:012:55:318:045:51
7:49
#13174
23M
23.00 mi13:59:293:05:598:0510:28
8:22
#13093
24M
24.00 mi14:07:343:14:048:058:05
8:05
#13027
40K
24.85 mi14:14:283:20:588:056:54
8:04
#12917
25.2M
25.20 mi14:17:213:23:518:052:53
8:22
#12852
Finish
26.22 mi14:25:033:31:338:047:42
7:33
#12695
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi126343240324013121(Top 49%)3554(Top 31%)3554(Top 73%)
10K6.21 mi3.10 mi12556+783188+523188+5212608(Top 47%)3211(Top 28%)3211(Top 66%)
15K9.32 mi3.11 mi12740-1843305-1173305-11713121(Top 49%)3554(Top 31%)3554(Top 73%)
20K12.43 mi3.11 mi13110-3703551-2463551-24614197(Top 53%)4219(Top 37%)4219(Top 86%)
Half13.11 mi0.68 mi13118-83554-33554-313542(Top 51%)3818(Top 33%)3818(Top 78%)
25K15.53 mi2.42 mi13285-1673673-1193673-11914143(Top 53%)4305(Top 38%)4305(Top 88%)
30K18.64 mi3.11 mi13433-1483802-1293802-12914153(Top 53%)4419(Top 39%)4419(Top 90%)
20M20.00 mi1.36 mi13380+533787+153787+1513106(Top 49%)3913(Top 34%)3913(Top 80%)
21M21.00 mi1.00 mi13292+883748+393748+3912088(Top 45%)3450(Top 30%)3450(Top 71%)
35K21.75 mi0.75 mi13174+1183693+553693+5510866(Top 41%)2818(Top 25%)2818(Top 58%)
23M23.00 mi1.25 mi13093+813677+163677+1612321(Top 46%)3699(Top 32%)3699(Top 76%)
24M24.00 mi1.00 mi13027+663669+83669+811858(Top 45%)3520(Top 31%)3520(Top 72%)
40K24.85 mi0.85 mi12917+1103624+453624+4510558(Top 40%)2920(Top 26%)2920(Top 60%)
25.2M25.20 mi0.35 mi12852+653590+343590+348782(Top 33%)2185(Top 19%)2185(Top 45%)
Finish26.22 mi1.02 mi12695+1573517+733517+739014(Top 34%)2265(Top 20%)2265(Top 46%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 49%
×21story building
+97ft-345ft

Overall

13121

Females

3554

F18-39

3554

5K→10K

3.1 - 6.2 mi

Top 47%
×5story building
+79ft-138ft

Overall

12608

Females

3211

F18-39

3211

10K→15K

6.2 - 9.3 mi

Top 49%
×3story building
+67ft-78ft

Overall

13121

Females

3554

F18-39

3554

15K→20K

9.3 - 12.4 mi

Top 53%
×5story building
+106ft-86ft

Overall

14197

Females

4219

F18-39

4219

20K→Half

12.4 - 13.1 mi

Top 51%
×2story building
+19ft-37ft

Overall

13542

Females

3818

F18-39

3818

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

14143

Females

4305

F18-39

4305

25K→30K

15.5 - 18.6 mi

Top 53%
×9story building
+181ft-148ft

Overall

14153

Females

4419

F18-39

4419

30K→20M

18.6 - 20.0 mi

Top 49%
×5story building
+64ft-50ft

Overall

13106

Females

3913

F18-39

3913

20M→21M

20.0 - 21.0 mi

Top 45%
×8story building
+106ft-24ft

Overall

12088

Females

3450

F18-39

3450

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10866

Females

2818

F18-39

2818

35K→23M

21.8 - 23.0 mi

Top 46%
×5story building
+23ft-63ft

Overall

12321

Females

3699

F18-39

3699

23M→24M

23.0 - 24.0 mi

Top 45%
×6story building
+12ft-82ft

Overall

11858

Females

3520

F18-39

3520

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

10558

Females

2920

F18-39

2920

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

8782

Females

2185

F18-39

2185

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9014

Females

2265

F18-39

2265

Passing Analysis

Category:
Athletes Passed
1785
Passed By
1846
Net Change
-61
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12634
5K → 10K339261+78#12634#12556
10K → 15K128312-184#12556#12740
15K → 20K84454-370#12740#13110
20K → Half3341-8#13110#13118
Half → 25K98265-167#13118#13285
25K → 30K144292-148#13285#13433
30K → 20M10451+53#13433#13380
20M → 21M13547+88#13380#13292
21M → 35K1268+118#13292#13174
35K → 23M13655+81#13174#13093
23M → 24M9630+66#13093#13027
24M → 40K12919+110#13027#12917
40K → 25.2M661+65#12917#12852
25.2M → Finish16710+157#12852#12695
TOTALS17851846-61
📊

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