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BOSTON MARATHON 2023

Kristin Winstanley

Bib: 18619•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 44%
Masters (Masters Women)
#0 / 6539
Top 32%
Division (F45-49)
#0 / 1817
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
8:42/mi
27:01
↑ 97↓ 3451.5%
10K· 6.21 mi
8:26/mi
53:13
↑ 79↓ 1380.4%
15K· 9.32 mi
8:25/mi
1:19:21
↑ 67↓ 78
20K· 12.43 mi
8:20/mi
1:45:15
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:50:51
↑ 19↓ 370.5%
25K· 15.53 mi
8:22/mi
2:11:07
↑ 66↓ 880.2%
30K· 18.64 mi
8:38/mi
2:37:55
↑ 181↓ 1480.2%
20M
8:33/mi
2:49:32
↑ 64↓ 500.2%
21M
8:43/mi
2:58:15
↑ 106↓ 241.6%
35K· 21.75 mi
8:23/mi
3:04:31
↑ 17↓ 861.7%
23M
8:25/mi
3:15:03
↑ 23↓ 630.6%
24M
8:00/mi
3:23:03
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:30:09
↓ 200.3%
25.2M
8:59/mi
3:33:15
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:41:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:50:51
Pace8:27 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:50:18
Pace8:25 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:23:5527:018:4227:01
8:42
-
10K
6.21 mi11:50:0753:138:3426:12
8:26
-0:16
15K
9.32 mi12:16:151:19:218:3126:08
8:25
-0:01
20K
12.43 mi12:42:091:45:158:2825:54
8:20
-0:05
Half
13.11 mi12:47:451:50:518:275:36
8:12
-0:08
25K
15.53 mi13:08:012:11:078:2620:16
8:22
+0:10
30K
18.64 mi13:34:492:37:558:2826:48
8:38
+0:16
20M
20.00 mi13:46:262:49:328:2911:37
8:33
-0:05
21M
21.00 mi13:55:092:58:158:298:43
8:43
+0:10
35K
21.75 mi14:01:253:04:318:296:16
8:23
-0:20
23M
23.00 mi14:11:573:15:038:2910:32
8:25
+0:02
24M
24.00 mi14:19:573:23:038:288:00
8:00
-0:25
40K
24.85 mi14:27:033:30:098:277:06
8:18
+0:18
25.2M
25.20 mi14:30:093:33:158:283:06
8:59
+0:41
Finish
26.22 mi14:38:033:41:098:267:54
7:45
-1:14

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

7:45 /mi

Average Pace

8:26 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:23:54

65% of race

Time at Steady Pace

1:17:15

35% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:26 /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 mi11:23:5527:018:4227:01
8:42
#18853
10K
6.21 mi11:50:0753:138:3426:12
8:26
#18290
15K
9.32 mi12:16:151:19:218:3126:08
8:25
#17928
20K
12.43 mi12:42:091:45:158:2825:54
8:20
#17371
Half
13.11 mi12:47:451:50:518:275:36
8:12
#17298
25K
15.53 mi13:08:012:11:078:2620:16
8:22
#16978
30K
18.64 mi13:34:492:37:558:2826:48
8:38
#16606
20M
20.00 mi13:46:262:49:328:2911:37
8:33
#16385
21M
21.00 mi13:55:092:58:158:298:43
8:43
#16105
35K
21.75 mi14:01:253:04:318:296:16
8:23
#16036
23M
23.00 mi14:11:573:15:038:2910:32
8:25
#15804
24M
24.00 mi14:19:573:23:038:288:00
8:00
#15604
40K
24.85 mi14:27:033:30:098:277:06
8:18
#15491
25.2M
25.20 mi14:30:093:33:158:283:06
8:59
#15432
Finish
26.22 mi14:38:033:41:098:267:54
7:45
#15226
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi188537104710417225(Top 65%)6056(Top 53%)6056(Top 333%)
10K6.21 mi3.10 mi18290+5636688+4166688+41617816(Top 67%)6377(Top 56%)6377(Top 351%)
15K9.32 mi3.11 mi17928+3626480+2086480+20817225(Top 65%)6056(Top 53%)6056(Top 333%)
20K12.43 mi3.11 mi17371+5576141+3396141+33915856(Top 60%)5258(Top 46%)5258(Top 289%)
Half13.11 mi0.68 mi17298+736100+416100+4115892(Top 60%)5224(Top 46%)5224(Top 288%)
25K15.53 mi2.42 mi16978+3205929+1715929+17115328(Top 58%)5036(Top 44%)5036(Top 277%)
30K18.64 mi3.11 mi16606+3725750+1795750+17915080(Top 57%)4983(Top 44%)4983(Top 274%)
20M20.00 mi1.36 mi16385+2215635+1155635+11513956(Top 52%)4390(Top 38%)4390(Top 242%)
21M21.00 mi1.00 mi16105+2805475+1605475+16011810(Top 44%)3316(Top 29%)3316(Top 182%)
35K21.75 mi0.75 mi16036+695456+195456+1914611(Top 55%)4893(Top 43%)4893(Top 269%)
23M23.00 mi1.25 mi15804+2325342+1145342+11412701(Top 48%)3914(Top 34%)3914(Top 215%)
24M24.00 mi1.00 mi15604+2005242+1005242+10011284(Top 42%)3246(Top 28%)3246(Top 179%)
40K24.85 mi0.85 mi15491+1135188+545188+5412134(Top 46%)3759(Top 33%)3759(Top 207%)
25.2M25.20 mi0.35 mi15432+595152+365152+3612565(Top 47%)4024(Top 35%)4024(Top 221%)
Finish26.22 mi1.02 mi15226+2065040+1125040+11210371(Top 39%)2888(Top 25%)2888(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 65%
×21story building
+97ft-345ft

Overall

17225

Females

6056

F45-49

6056

5K→10K

3.1 - 6.2 mi

Top 67%
×5story building
+79ft-138ft

Overall

17816

Females

6377

F45-49

6377

10K→15K

6.2 - 9.3 mi

Top 65%
×3story building
+67ft-78ft

Overall

17225

Females

6056

F45-49

6056

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15856

Females

5258

F45-49

5258

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15892

Females

5224

F45-49

5224

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

15328

Females

5036

F45-49

5036

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

15080

Females

4983

F45-49

4983

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13956

Females

4390

F45-49

4390

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11810

Females

3316

F45-49

3316

21M→35K

21.0 - 21.8 mi

Top 55%
×7story building
+17ft-86ft

Overall

14611

Females

4893

F45-49

4893

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

12701

Females

3914

F45-49

3914

23M→24M

23.0 - 24.0 mi

Top 42%
×6story building
+12ft-82ft

Overall

11284

Females

3246

F45-49

3246

24M→40K

24.0 - 24.9 mi

Top 46%
×1story
+6ft-20ft

Overall

12134

Females

3759

F45-49

3759

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12565

Females

4024

F45-49

4024

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10371

Females

2888

F45-49

2888

Passing Analysis

Category:
Athletes Passed
3970
Passed By
343
Net Change
+3627
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18853
5K → 10K726163+563#18853#18290
10K → 15K42260+362#18290#17928
15K → 20K57114+557#17928#17371
20K → Half807+73#17371#17298
Half → 25K33010+320#17298#16978
25K → 30K39422+372#16978#16606
30K → 20M2298+221#16606#16385
20M → 21M2833+280#16385#16105
21M → 35K8617+69#16105#16036
35K → 23M2397+232#16036#15804
23M → 24M2055+200#15804#15604
24M → 40K1229+113#15604#15491
40K → 25.2M7011+59#15491#15432
25.2M → Finish2137+206#15432#15226
TOTALS3970343+3627
📊

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