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BOSTON MARATHON 2023

Kirsty May

Bib: 18071•F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
8:34/mi
26:36
↑ 97↓ 3451.5%
10K· 6.21 mi
8:35/mi
53:16
↑ 79↓ 1380.4%
15K· 9.32 mi
8:46/mi
1:20:30
↑ 67↓ 78
20K· 12.43 mi
8:38/mi
1:47:20
↑ 106↓ 860.1%
Half· 13.11 mi
8:33/mi
1:53:10
↑ 19↓ 370.5%
25K· 15.53 mi
8:52/mi
2:14:39
↑ 66↓ 880.2%
30K· 18.64 mi
9:05/mi
2:42:51
↑ 181↓ 1480.2%
20M
8:50/mi
2:54:51
↑ 64↓ 500.2%
21M
10:22/mi
3:05:13
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
3:11:32
↑ 17↓ 861.7%
23M
9:44/mi
3:23:43
↑ 23↓ 630.6%
24M
8:42/mi
3:32:25
↓ 821.3%
40K· 24.85 mi
9:20/mi
3:40:24
↓ 200.3%
25.2M
9:37/mi
3:43:43
↑ 13↓ 160.2%
Finish· 26.22 mi
8:20/mi
3:52:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:53:10
Pace8:38 /mi
2nd Half
Distance13.11 mi
Time1:59:03
Pace9:05 /mi
📊Positive Split: 5.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:4726:368:3426:36
8:34
-
10K
6.21 mi11:44:2753:168:3426:40
8:35
+0:01
15K
9.32 mi12:11:411:20:308:3827:14
8:46
+0:11
20K
12.43 mi12:38:311:47:208:3826:50
8:38
-0:08
Half
13.11 mi12:44:211:53:108:385:50
8:33
-0:05
25K
15.53 mi13:05:502:14:398:4021:29
8:52
+0:19
30K
18.64 mi13:34:022:42:518:4428:12
9:05
+0:13
20M
20.00 mi13:46:022:54:518:4512:00
8:50
-0:15
21M
21.00 mi13:56:243:05:138:4910:22
10:22
+1:32
35K
21.75 mi14:02:433:11:328:486:19
8:27
-1:55
23M
23.00 mi14:14:543:23:438:5112:11
9:44
+1:17
24M
24.00 mi14:23:363:32:258:518:42
8:42
-1:02
40K
24.85 mi14:31:353:40:248:527:59
9:20
+0:38
25.2M
25.20 mi14:34:543:43:438:533:19
9:37
+0:17
Finish
26.22 mi14:43:243:52:138:528:30
8:20
-1:17

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

8:20 /mi

Average Pace

8:52 /mi

Slowest Pace

10:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

14:49

6% of race

Time at Steady Pace

2:35:21

67% of race

Time at Slower Pace

1:02:03

27% of race

Average Pace: 8:51 /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 mi11:17:4726:368:3426:36
8:34
#17990
10K
6.21 mi11:44:2753:168:3426:40
8:35
#18354
15K
9.32 mi12:11:411:20:308:3827:14
8:46
#18680
20K
12.43 mi12:38:311:47:208:3826:50
8:38
#18429
Half
13.11 mi12:44:211:53:108:385:50
8:33
#18398
25K
15.53 mi13:05:502:14:398:4021:29
8:52
#18393
30K
18.64 mi13:34:022:42:518:4428:12
9:05
#18193
20M
20.00 mi13:46:022:54:518:4512:00
8:50
#17984
21M
21.00 mi13:56:243:05:138:4910:22
10:22
#18078
35K
21.75 mi14:02:433:11:328:486:19
8:27
#17989
23M
23.00 mi14:14:543:23:438:5112:11
9:44
#18086
24M
24.00 mi14:23:363:32:258:518:42
8:42
#17985
40K
24.85 mi14:31:353:40:248:527:59
9:20
#17994
25.2M
25.20 mi14:34:543:43:438:533:19
9:37
#17952
Finish
26.22 mi14:43:243:52:138:528:30
8:20
#17812
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi179906551655119334(Top 73%)7287(Top 64%)7287(Top 149%)
10K6.21 mi3.10 mi18354-3646731-1806731-18018772(Top 71%)6942(Top 61%)6942(Top 142%)
15K9.32 mi3.11 mi18680-3266928-1976928-19719334(Top 73%)7287(Top 64%)7287(Top 149%)
20K12.43 mi3.11 mi18429+2516766+1626766+16217732(Top 67%)6362(Top 56%)6362(Top 130%)
Half13.11 mi0.68 mi18398+316743+236743+2318049(Top 68%)6513(Top 57%)6513(Top 133%)
25K15.53 mi2.42 mi18393+56761-186761-1818277(Top 69%)6709(Top 59%)6709(Top 137%)
30K18.64 mi3.11 mi18193+2006685+766685+7617585(Top 66%)6406(Top 56%)6406(Top 131%)
20M20.00 mi1.36 mi17984+2096580+1056580+10515640(Top 59%)5362(Top 47%)5362(Top 110%)
21M21.00 mi1.00 mi18078-946643-636643-6319199(Top 72%)7456(Top 65%)7456(Top 153%)
35K21.75 mi0.75 mi17989+896589+546589+5415044(Top 57%)5149(Top 45%)5149(Top 105%)
23M23.00 mi1.25 mi18086-976664-756664-7519194(Top 72%)7518(Top 66%)7518(Top 154%)
24M24.00 mi1.00 mi17985+1016617+476617+4715695(Top 59%)5644(Top 49%)5644(Top 116%)
40K24.85 mi0.85 mi17994-96636-196636-1917704(Top 67%)6790(Top 59%)6790(Top 139%)
25.2M25.20 mi0.35 mi17952+426611+256611+2515814(Top 59%)5770(Top 51%)5770(Top 118%)
Finish26.22 mi1.02 mi17812+1406538+736538+7314394(Top 54%)4956(Top 43%)4956(Top 101%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 73%
×21story building
+97ft-345ft

Overall

19334

Females

7287

F18-39

7287

5K→10K

3.1 - 6.2 mi

Top 71%
×5story building
+79ft-138ft

Overall

18772

Females

6942

F18-39

6942

10K→15K

6.2 - 9.3 mi

Top 73%
×3story building
+67ft-78ft

Overall

19334

Females

7287

F18-39

7287

15K→20K

9.3 - 12.4 mi

Top 67%
×5story building
+106ft-86ft

Overall

17732

Females

6362

F18-39

6362

20K→Half

12.4 - 13.1 mi

Top 68%
×2story building
+19ft-37ft

Overall

18049

Females

6513

F18-39

6513

Half→25K

13.1 - 15.5 mi

Top 69%
×4story building
+66ft-88ft

Overall

18277

Females

6709

F18-39

6709

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

17585

Females

6406

F18-39

6406

30K→20M

18.6 - 20.0 mi

Top 59%
×5story building
+64ft-50ft

Overall

15640

Females

5362

F18-39

5362

20M→21M

20.0 - 21.0 mi

Top 72%
×8story building
+106ft-24ft

Overall

19199

Females

7456

F18-39

7456

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

15044

Females

5149

F18-39

5149

35K→23M

21.8 - 23.0 mi

Top 72%
×5story building
+23ft-63ft

Overall

19194

Females

7518

F18-39

7518

23M→24M

23.0 - 24.0 mi

Top 59%
×6story building
+12ft-82ft

Overall

15695

Females

5644

F18-39

5644

24M→40K

24.0 - 24.9 mi

Top 67%
×1story
+6ft-20ft

Overall

17704

Females

6790

F18-39

6790

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

15814

Females

5770

F18-39

5770

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

14394

Females

4956

F18-39

4956

Passing Analysis

Category:
Athletes Passed
1811
Passed By
1633
Net Change
+178
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17990
5K → 10K165529-364#17990#18354
10K → 15K81407-326#18354#18680
15K → 20K30453+251#18680#18429
20K → Half5322+31#18429#18398
Half → 25K126121+5#18398#18393
25K → 30K28989+200#18393#18193
30K → 20M22112+209#18193#17984
20M → 21M70164-94#17984#18078
21M → 35K956+89#18078#17989
35K → 23M47144-97#17989#18086
23M → 24M11716+101#18086#17985
24M → 40K4655-9#17985#17994
40K → 25.2M475+42#17994#17952
25.2M → Finish15010+140#17952#17812
TOTALS18111633+178
📊

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