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BOSTON MARATHON 2023

Kelly Stoll

Bib: 19653•F

FL

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 35%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
25:29
Rank: #15489
Start → 5K
8:12/mi
25:29 split
10K· 6.21 mi
50:02
Rank: #14758 (+731)
5K → 10K
7:54/mi
24:33 split
15K· 9.32 mi
1:14:32
Rank: #14339 (+419)
10K → 15K
7:53/mi
24:30 split
20K· 12.43 mi
1:39:02
Rank: #13853 (+486)
15K → 20K
7:53/mi
24:30 split
Half· 13.11 mi
1:44:36
Rank: #13938 (-85)
20K → Half
8:10/mi
5:34 split
25K· 15.53 mi
2:04:24
Rank: #13933 (+5)
Half → 25K
8:10/mi
19:48 split
30K· 18.64 mi
2:30:09
Rank: #13726 (+207)
25K → 30K
8:17/mi
25:45 split
20M
2:41:16
Rank: #13542 (+184)
30K → 20M
8:11/mi
11:07 split
21M
2:49:56
Rank: #13385 (+157)
20M → 21M
8:40/mi
8:40 split
35K· 21.75 mi
2:55:41
Rank: #13238 (+147)
21M → 35K
7:41/mi
5:45 split
23M
3:06:13
Rank: #13171 (+67)
35K → 23M
8:25/mi
10:32 split
24M
3:14:38
Rank: #13195 (-24)
23M → 24M
8:25/mi
8:25 split
40K· 24.85 mi
3:22:07
Rank: #13241 (-46)
24M → 40K
8:45/mi
7:29 split
25.2M
3:25:27
Rank: #13276 (-35)
40K → 25.2M
9:40/mi
3:20 split
Finish· 26.22 mi
3:34:18
Rank: #13433 (-157)
25.2M → Finish
8:41/mi
8:51 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:44:36
Pace7:59 /mi
2nd Half
Distance13.11 mi
Time1:49:42
Pace8:22 /mi
📊Positive Split: 4.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:5925:298:1225:29
8:12
-
10K
6.21 mi11:41:3250:028:0324:33
7:54
-0:18
15K
9.32 mi12:06:021:14:328:0024:30
7:53
-0:01
20K
12.43 mi12:30:321:39:027:5824:30
7:53
0:00
Half
13.11 mi12:36:061:44:367:595:34
8:10
+0:17
25K
15.53 mi12:55:542:04:248:0019:48
8:10
0:00
30K
18.64 mi13:21:392:30:098:0325:45
8:17
+0:07
20M
20.00 mi13:32:462:41:168:0411:07
8:11
-0:06
21M
21.00 mi13:41:262:49:568:068:40
8:40
+0:29
35K
21.75 mi13:47:112:55:418:055:45
7:41
-0:59
23M
23.00 mi13:57:433:06:138:0610:32
8:25
+0:44
24M
24.00 mi14:06:083:14:388:078:25
8:25
0:00
40K
24.85 mi14:13:373:22:078:087:29
8:45
+0:20
25.2M
25.20 mi14:16:573:25:278:093:20
9:40
+0:55
Finish
26.22 mi14:25:483:34:188:118:51
8:41
-0:59

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

7:41 /mi

Average Pace

8:11 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:19:18

37% of race

Time at Steady Pace

1:46:40

50% of race

Time at Slower Pace

28:20

13% of race

Average Pace: 8:10 /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 mi11:16:5925:298:1225:29
8:12
#15489
10K
6.21 mi11:41:3250:028:0324:33
7:54
#14758
15K
9.32 mi12:06:021:14:328:0024:30
7:53
#14339
20K
12.43 mi12:30:321:39:027:5824:30
7:53
#13853
Half
13.11 mi12:36:061:44:367:595:34
8:10
#13938
25K
15.53 mi12:55:542:04:248:0019:48
8:10
#13933
30K
18.64 mi13:21:392:30:098:0325:45
8:17
#13726
20M
20.00 mi13:32:462:41:168:0411:07
8:11
#13542
21M
21.00 mi13:41:262:49:568:068:40
8:40
#13385
35K
21.75 mi13:47:112:55:418:055:45
7:41
#13238
23M
23.00 mi13:57:433:06:138:0610:32
8:25
#13171
24M
24.00 mi14:06:083:14:388:078:25
8:25
#13195
40K
24.85 mi14:13:373:22:078:087:29
8:45
#13241
25.2M
25.20 mi14:16:573:25:278:093:20
9:40
#13276
Finish
26.22 mi14:25:483:34:188:118:51
8:41
#13433
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi154894957495713410(Top 50%)3733(Top 33%)3733(Top 76%)
10K6.21 mi3.10 mi14758+7314500+4574500+45714018(Top 53%)4057(Top 36%)4057(Top 83%)
15K9.32 mi3.11 mi14339+4194255+2454255+24513410(Top 50%)3733(Top 33%)3733(Top 76%)
20K12.43 mi3.11 mi13853+4863992+2633992+26312520(Top 47%)3274(Top 29%)3274(Top 67%)
Half13.11 mi0.68 mi13938-854048-564048-5615498(Top 58%)4970(Top 44%)4970(Top 102%)
25K15.53 mi2.42 mi13933+54072-244072-2413996(Top 53%)4216(Top 37%)4216(Top 86%)
30K18.64 mi3.11 mi13726+2073975+973975+9712962(Top 49%)3733(Top 33%)3733(Top 76%)
20M20.00 mi1.36 mi13542+1843885+903885+9011609(Top 44%)3071(Top 27%)3071(Top 63%)
21M21.00 mi1.00 mi13385+1573807+783807+7811497(Top 43%)3148(Top 28%)3148(Top 64%)
35K21.75 mi0.75 mi13238+1473734+733734+739905(Top 37%)2330(Top 20%)2330(Top 48%)
23M23.00 mi1.25 mi13171+673717+173717+1712684(Top 48%)3897(Top 34%)3897(Top 80%)
24M24.00 mi1.00 mi13195-243764-473764-4713988(Top 53%)4662(Top 41%)4662(Top 95%)
40K24.85 mi0.85 mi13241-463802-383802-3814832(Top 56%)5194(Top 45%)5194(Top 106%)
25.2M25.20 mi0.35 mi13276-353843-413843-4115968(Top 60%)5832(Top 51%)5832(Top 119%)
Finish26.22 mi1.02 mi13433-1573954-1113954-11116401(Top 62%)6038(Top 53%)6038(Top 124%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

13410

Females

3733

F18-39

3733

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14018

Females

4057

F18-39

4057

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

13410

Females

3733

F18-39

3733

15K→20K

9.3 - 12.4 mi

Top 47%
×5story building
+106ft-86ft

Overall

12520

Females

3274

F18-39

3274

20K→Half

12.4 - 13.1 mi

Top 58%
×2story building
+19ft-37ft

Overall

15498

Females

4970

F18-39

4970

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13996

Females

4216

F18-39

4216

25K→30K

15.5 - 18.6 mi

Top 49%
×9story building
+181ft-148ft

Overall

12962

Females

3733

F18-39

3733

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

11609

Females

3071

F18-39

3071

20M→21M

20.0 - 21.0 mi

Top 43%
×8story building
+106ft-24ft

Overall

11497

Females

3148

F18-39

3148

21M→35K

21.0 - 21.8 mi

Top 37%
×7story building
+17ft-86ft

Overall

9905

Females

2330

F18-39

2330

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12684

Females

3897

F18-39

3897

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13988

Females

4662

F18-39

4662

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14832

Females

5194

F18-39

5194

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

15968

Females

5832

F18-39

5832

25.2M→Finish

25.2 - 26.2 mi

Top 62%
×2story building
+22ft-21ft

Overall

16401

Females

6038

F18-39

6038

Passing Analysis

Category:
Athletes Passed
3018
Passed By
962
Net Change
+2056
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15489
5K → 10K81079+731#15489#14758
10K → 15K46647+419#14758#14339
15K → 20K50620+486#14339#13853
20K → Half1398-85#13853#13938
Half → 25K132127+5#13938#13933
25K → 30K28174+207#13933#13726
30K → 20M20016+184#13726#13542
20M → 21M17821+157#13542#13385
21M → 35K1525+147#13385#13238
35K → 23M11851+67#13238#13171
23M → 24M6589-24#13171#13195
24M → 40K4692-46#13195#13241
40K → 25.2M2661-35#13241#13276
25.2M → Finish25182-157#13276#13433
TOTALS3018962+2056
📊

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