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BOSTON MARATHON 2023

Kirsty Mitchell

MA

Bib: 19531 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F40-44)
#0 / 1878
Top 47%
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
7:43/mi
24:00
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
7:18/mi
46:40
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
7:27/mi
1:09:50
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
7:45/mi
1:33:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:52/mi
1:39:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:10/mi
1:59:04
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:34/mi
2:25:40
↑ 181↓ 1480.2%
138 ft elev
20M
8:54/mi
2:37:45
↑ 64↓ 500.2%
148 ft elev
21M
10:04/mi
2:47:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:41/mi
2:54:19
↑ 17↓ 861.7%
156 ft elev
23M
9:18/mi
3:05:58
↑ 23↓ 630.6%
116 ft elev
24M
9:11/mi
3:15:09
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:37/mi
3:23:22
↓ 200.3%
20 ft elev
25.2M
11:27/mi
3:27:19
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:51/mi
3:37:21
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:39:177:34 /mi⚡ faster
2nd Half
1:58:049:00 /mi+18.9%
Positive split — 18.9% slower in the second half
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Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:15:3524:007:4324:00
7:43
-
10K
6.21 mi11:38:1546:407:3122:40
7:18
-0:25
15K
9.32 mi12:01:251:09:507:3023:10
7:27
+0:09
20K
12.43 mi12:25:301:33:557:3324:05
7:45
+0:18
Half
13.11 mi12:30:521:39:177:345:22
7:52
+0:07
25K
15.53 mi12:50:391:59:047:4019:47
8:10
+0:18
30K
18.64 mi13:17:152:25:407:4926:36
8:34
+0:24
20M
20.00 mi13:29:202:37:457:5312:05
8:54
+0:20
21M
21.00 mi13:39:242:47:497:5910:04
10:04
+1:10
35K
21.75 mi13:45:542:54:198:016:30
8:41
-1:23
23M
23.00 mi13:57:333:05:588:0511:39
9:18
+0:37
24M
24.00 mi14:06:443:15:098:089:11
9:11
-0:07
40K
24.85 mi14:14:573:23:228:118:13
9:37
+0:26
25.2M
25.20 mi14:18:543:27:198:143:57
11:27
+1:50
Finish
26.22 mi14:28:563:37:218:1810:02
9:51
-1:36

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

8:18 /mi

Slowest Pace

11:27 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:39:17

46% of race

Time at Steady Pace

1:14:09

34% of race

Time at Slower Pace

43:55

20% of race

Average Pace: 8:17 /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 mi11:15:3524:007:4324:00
7:43
#11701
10K
6.21 mi11:38:1546:407:3122:40
7:18
#10142
15K
9.32 mi12:01:251:09:507:3023:10
7:27
#9970
20K
12.43 mi12:25:301:33:557:3324:05
7:45
#10331
Half
13.11 mi12:30:521:39:177:345:22
7:52
#10486
25K
15.53 mi12:50:391:59:047:4019:47
8:10
#11027
30K
18.64 mi13:17:152:25:407:4926:36
8:34
#11735
20M
20.00 mi13:29:202:37:457:5312:05
8:54
#12111
21M
21.00 mi13:39:242:47:497:5910:04
10:04
#12596
35K
21.75 mi13:45:542:54:198:016:30
8:41
#12740
23M
23.00 mi13:57:333:05:588:0511:39
9:18
#13090
24M
24.00 mi14:06:443:15:098:089:11
9:11
#13350
40K
24.85 mi14:14:573:23:228:118:13
9:37
#13630
25.2M
25.20 mi14:18:543:27:198:143:57
11:27
#13852
Finish
26.22 mi14:28:563:37:218:1810:02
9:51
#14283
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi1170126992699985617821782
10K6.21 mi3.10 mi10142+15591902+7971902+797885013511351
15K9.32 mi3.11 mi9970+1721815+871815+87985617821782
20K12.43 mi3.11 mi10331-3611993-1781993-1781134526052605
Half13.11 mi0.68 mi10486-1552061-682061-681340937583758
25K15.53 mi2.42 mi11027-5412371-3102371-3101396141974197
30K18.64 mi3.11 mi11735-7082825-4542825-4541470047484748
20M20.00 mi1.36 mi12111-3763061-2363061-2361597055525552
21M21.00 mi1.00 mi12596-4853357-2963357-2961826569026902
35K21.75 mi0.75 mi12740-1443453-963453-961635159005900
23M23.00 mi1.25 mi13090-3503676-2233676-2231753765916591
24M24.00 mi1.00 mi13350-2603850-1743850-1741800168966896
40K24.85 mi0.85 mi13630-2804038-1884038-1881872373327332
25.2M25.20 mi0.35 mi13852-2224188-1504188-1502146588318831
Finish26.22 mi1.02 mi14283-4314471-2834471-2832130487158715

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

9856

Females

1782

F40-44

1782

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8850

Females

1351

F40-44

1351

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

9856

Females

1782

F40-44

1782

15K→20K

9.3 - 12.4 mi

Top 43%
×5story building
+106ft-86ft

Overall

11345

Females

2605

F40-44

2605

20K→Half

12.4 - 13.1 mi

Top 50%
×2story building
+19ft-37ft

Overall

13409

Females

3758

F40-44

3758

Half→25K

13.1 - 15.5 mi

Top 52%
×4story building
+66ft-88ft

Overall

13961

Females

4197

F40-44

4197

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14700

Females

4748

F40-44

4748

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

15970

Females

5552

F40-44

5552

20M→21M

20.0 - 21.0 mi

Top 69%
×8story building
+106ft-24ft

Overall

18265

Females

6902

F40-44

6902

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

16351

Females

5900

F40-44

5900

35K→23M

21.8 - 23.0 mi

Top 66%
×5story building
+23ft-63ft

Overall

17537

Females

6591

F40-44

6591

23M→24M

23.0 - 24.0 mi

Top 68%
×6story building
+12ft-82ft

Overall

18001

Females

6896

F40-44

6896

24M→40K

24.0 - 24.9 mi

Top 70%
×1story
+6ft-20ft

Overall

18723

Females

7332

F40-44

7332

40K→25.2M

24.9 - 25.2 mi

Top 81%
×1story
+13ft-16ft

Overall

21465

Females

8831

F40-44

8831

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

21304

Females

8715

F40-44

8715

Passing Analysis

Category:
Athletes Passed
2124*
Passed By
4706
Net Change
-2582
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11701
5K → 10K1576*17+1559#11701#10142
10K → 15K272*100+172#10142#9970
15K → 20K67428-361#9970#10331
20K → Half3158-155#10331#10486
Half → 25K38579-541#10486#11027
25K → 30K46754-708#11027#11735
30K → 20M29405-376#11735#12111
20M → 21M17502-485#12111#12596
21M → 35K19163-144#12596#12740
35K → 23M20370-350#12740#13090
23M → 24M14274-260#13090#13350
24M → 40K12292-280#13350#13630
40K → 25.2M4226-222#13630#13852
25.2M → Finish7438-431#13852#14283
TOTALS2124*4706-2582

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

Passing Charts

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